How to use cache method in Best

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cache-base-coverage.js

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1/*2YUI 3.7.3 (build 5687)3Copyright 2012 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7if (typeof _yuitest_coverage == "undefined"){8 _yuitest_coverage = {};9 _yuitest_coverline = function(src, line){10 var coverage = _yuitest_coverage[src];11 if (!coverage.lines[line]){12 coverage.calledLines++;13 }14 coverage.lines[line]++;15 };16 _yuitest_coverfunc = function(src, name, line){17 var coverage = _yuitest_coverage[src],18 funcId = name + ":" + line;19 if (!coverage.functions[funcId]){20 coverage.calledFunctions++;21 }22 coverage.functions[funcId]++;23 };24}25_yuitest_coverage["build/cache-base/cache-base.js"] = {26 lines: {},27 functions: {},28 coveredLines: 0,29 calledLines: 0,30 coveredFunctions: 0,31 calledFunctions: 0,32 path: "build/cache-base/cache-base.js",33 code: []34};35_yuitest_coverage["build/cache-base/cache-base.js"].code=["YUI.add('cache-base', function (Y, NAME) {","","/**"," * The Cache utility provides a common configurable interface for components to"," * cache and retrieve data from a local JavaScript struct."," *"," * @module cache"," * @main"," */","","/**"," * Provides the base class for the YUI Cache utility."," *"," * @submodule cache-base"," */","var LANG = Y.Lang,"," isDate = Y.Lang.isDate,","","/**"," * Base class for the YUI Cache utility."," * @class Cache"," * @extends Base"," * @constructor"," */","Cache = function() {"," Cache.superclass.constructor.apply(this, arguments);","};",""," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache static properties"," //"," /////////////////////////////////////////////////////////////////////////////","Y.mix(Cache, {"," /**"," * Class name."," *"," * @property NAME"," * @type String"," * @static"," * @final"," * @value \"cache\""," */"," NAME: \"cache\",","",""," ATTRS: {"," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache Attributes"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * @attribute max"," * @description Maximum number of entries the Cache can hold."," * Set to 0 to turn off caching."," * @type Number"," * @default 0"," */"," max: {"," value: 0,"," setter: \"_setMax\""," },",""," /**"," * @attribute size"," * @description Number of entries currently cached."," * @type Number"," */"," size: {"," readOnly: true,"," getter: \"_getSize\""," },",""," /**"," * @attribute uniqueKeys"," * @description Validate uniqueness of stored keys. Default is false and"," * is more performant."," * @type Boolean"," */"," uniqueKeys: {"," value: false"," },",""," /**"," * @attribute expires"," * @description Absolute Date when data expires or"," * relative number of milliseconds. Zero disables expiration."," * @type Date | Number"," * @default 0"," */"," expires: {"," value: 0,"," validator: function(v) {"," return Y.Lang.isDate(v) || (Y.Lang.isNumber(v) && v >= 0);"," }"," },",""," /**"," * @attribute entries"," * @description Cached entries."," * @type Array"," */"," entries: {"," readOnly: true,"," getter: \"_getEntries\""," }"," }","});","","Y.extend(Cache, Y.Base, {"," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache private properties"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * Array of request/response objects indexed chronologically."," *"," * @property _entries"," * @type Object[]"," * @private"," */"," _entries: null,",""," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache private methods"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * @method initializer"," * @description Internal init() handler."," * @param config {Object} Config object."," * @private"," */"," initializer: function(config) {",""," /**"," * @event add"," * @description Fired when an entry is added."," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>entry (Object)</dt> <dd>The cached entry.</dd>"," * </dl>"," * @preventable _defAddFn"," */"," this.publish(\"add\", {defaultFn: this._defAddFn});",""," /**"," * @event flush"," * @description Fired when the cache is flushed."," * @param e {Event.Facade} Event Facade object."," * @preventable _defFlushFn"," */"," this.publish(\"flush\", {defaultFn: this._defFlushFn});",""," /**"," * @event request"," * @description Fired when an entry is requested from the cache."," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>request (Object)</dt> <dd>The request object.</dd>"," * </dl>"," */",""," /**"," * @event retrieve"," * @description Fired when an entry is retrieved from the cache."," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>entry (Object)</dt> <dd>The retrieved entry.</dd>"," * </dl>"," */",""," // Initialize internal values"," this._entries = [];"," },",""," /**"," * @method destructor"," * @description Internal destroy() handler."," * @private"," */"," destructor: function() {"," this._entries = [];"," },",""," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache protected methods"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * Sets max."," *"," * @method _setMax"," * @protected"," */"," _setMax: function(value) {"," // If the cache is full, make room by removing stalest element (index=0)"," var entries = this._entries;"," if(value > 0) {"," if(entries) {"," while(entries.length > value) {"," entries.shift();"," }"," }"," }"," else {"," value = 0;"," this._entries = [];"," }"," return value;"," },",""," /**"," * Gets size."," *"," * @method _getSize"," * @protected"," */"," _getSize: function() {"," return this._entries.length;"," },",""," /**"," * Gets all entries."," *"," * @method _getEntries"," * @protected"," */"," _getEntries: function() {"," return this._entries;"," },","",""," /**"," * Adds entry to cache."," *"," * @method _defAddFn"," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>entry (Object)</dt> <dd>The cached entry.</dd>"," * </dl>"," * @protected"," */"," _defAddFn: function(e) {"," var entries = this._entries,"," entry = e.entry,"," max = this.get(\"max\"),"," pos;",""," // If uniqueKeys is true and item exists with this key, then remove it."," if (this.get(\"uniqueKeys\")) {"," pos = this._position(e.entry.request);"," if (LANG.isValue(pos)) {"," entries.splice(pos, 1);"," }"," }",""," // If the cache at or over capacity, make room by removing stalest"," // element(s) starting at index-0."," while (max && entries.length >= max) {"," entries.shift();"," }",""," // Add entry to cache in the newest position, at the end of the array"," entries[entries.length] = entry;"," },",""," /**"," * Flushes cache."," *"," * @method _defFlushFn"," * @param e {Event.Facade} Event Facade object."," * @protected"," */"," _defFlushFn: function(e) {"," var entries = this._entries,"," details = e.details[0],"," pos;",""," //passed an item, flush only that"," if(details && LANG.isValue(details.request)) {"," pos = this._position(details.request);",""," if(LANG.isValue(pos)) {"," entries.splice(pos,1);",""," }"," }"," //no item, flush everything"," else {"," this._entries = [];"," }"," },",""," /**"," * Default overridable method compares current request with given cache entry."," * Returns true if current request matches the cached request, otherwise"," * false. Implementers should override this method to customize the"," * cache-matching algorithm."," *"," * @method _isMatch"," * @param request {Object} Request object."," * @param entry {Object} Cached entry."," * @return {Boolean} True if current request matches given cached request, false otherwise."," * @protected"," */"," _isMatch: function(request, entry) {"," if(!entry.expires || new Date() < entry.expires) {"," return (request === entry.request);"," }"," return false;"," },",""," /**"," * Returns position of a request in the entries array, otherwise null."," *"," * @method _position"," * @param request {Object} Request object."," * @return {Number} Array position if found, null otherwise."," * @protected"," */"," _position: function(request) {"," // If cache is enabled..."," var entries = this._entries,"," length = entries.length,"," i = length-1;",""," if((this.get(\"max\") === null) || this.get(\"max\") > 0) {"," // Loop through each cached entry starting from the newest"," for(; i >= 0; i--) {"," // Execute matching function"," if(this._isMatch(request, entries[i])) {"," return i;"," }"," }"," }",""," return null;"," },",""," /////////////////////////////////////////////////////////////////////////////"," //"," // Cache public methods"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * Adds a new entry to the cache of the format"," * {request:request, response:response, cached:cached, expires:expires}."," * If cache is full, evicts the stalest entry before adding the new one."," *"," * @method add"," * @param request {Object} Request value."," * @param response {Object} Response value."," */"," add: function(request, response) {"," var expires = this.get(\"expires\");"," if(this.get(\"initialized\") && ((this.get(\"max\") === null) || this.get(\"max\") > 0) &&"," (LANG.isValue(request) || LANG.isNull(request) || LANG.isUndefined(request))) {"," this.fire(\"add\", {entry: {"," request:request,"," response:response,"," cached: new Date(),"," expires: isDate(expires) ? expires :"," (expires ? new Date(new Date().getTime() + this.get(\"expires\")) : null)"," }});"," }"," else {"," }"," },",""," /**"," * Flushes cache."," *"," * @method flush"," */"," flush: function(request) {"," this.fire(\"flush\", { request: (LANG.isValue(request) ? request : null) });"," },",""," /**"," * Retrieves cached object for given request, if available, and refreshes"," * entry in the cache. Returns null if there is no cache match."," *"," * @method retrieve"," * @param request {Object} Request object."," * @return {Object} Cached object with the properties request and response, or null."," */"," retrieve: function(request) {"," // If cache is enabled..."," var entries = this._entries,"," length = entries.length,"," entry = null,"," pos;",""," if((length > 0) && ((this.get(\"max\") === null) || (this.get(\"max\") > 0))) {"," this.fire(\"request\", {request: request});",""," pos = this._position(request);",""," if(LANG.isValue(pos)) {"," entry = entries[pos];",""," this.fire(\"retrieve\", {entry: entry});",""," // Refresh the position of the cache hit"," if(pos < length-1) {"," // Remove element from its original location"," entries.splice(pos,1);"," // Add as newest"," entries[entries.length] = entry;"," }",""," return entry;"," }"," }"," return null;"," }","});","","Y.Cache = Cache;","","","}, '3.7.3', {\"requires\": [\"base\"]});"];36_yuitest_coverage["build/cache-base/cache-base.js"].lines = {"1":0,"16":0,"26":0,"34":0,"96":0,"112":0,"151":0,"159":0,"180":0,"189":0,"206":0,"207":0,"208":0,"209":0,"210":0,"215":0,"216":0,"218":0,"228":0,"238":0,"253":0,"259":0,"260":0,"261":0,"262":0,"268":0,"269":0,"273":0,"284":0,"289":0,"290":0,"292":0,"293":0,"299":0,"316":0,"317":0,"319":0,"332":0,"336":0,"338":0,"340":0,"341":0,"346":0,"365":0,"366":0,"368":0,"386":0,"399":0,"404":0,"405":0,"407":0,"409":0,"410":0,"412":0,"415":0,"417":0,"419":0,"422":0,"425":0,"429":0};37_yuitest_coverage["build/cache-base/cache-base.js"].functions = {"Cache:25":0,"validator:95":0,"initializer:140":0,"destructor:188":0,"_setMax:204":0,"_getSize:227":0,"_getEntries:237":0,"_defAddFn:252":0,"_defFlushFn:283":0,"_isMatch:315":0,"_position:330":0,"add:364":0,"flush:385":0,"retrieve:397":0,"(anonymous 1):1":0};38_yuitest_coverage["build/cache-base/cache-base.js"].coveredLines = 60;39_yuitest_coverage["build/cache-base/cache-base.js"].coveredFunctions = 15;40_yuitest_coverline("build/cache-base/cache-base.js", 1);41YUI.add('cache-base', function (Y, NAME) {42/**43 * The Cache utility provides a common configurable interface for components to44 * cache and retrieve data from a local JavaScript struct.45 *46 * @module cache47 * @main48 */49/**50 * Provides the base class for the YUI Cache utility.51 *52 * @submodule cache-base53 */54_yuitest_coverfunc("build/cache-base/cache-base.js", "(anonymous 1)", 1);55_yuitest_coverline("build/cache-base/cache-base.js", 16);56var LANG = Y.Lang,57 isDate = Y.Lang.isDate,58/**59 * Base class for the YUI Cache utility.60 * @class Cache61 * @extends Base62 * @constructor63 */64Cache = function() {65 _yuitest_coverfunc("build/cache-base/cache-base.js", "Cache", 25);66_yuitest_coverline("build/cache-base/cache-base.js", 26);67Cache.superclass.constructor.apply(this, arguments);68};69 /////////////////////////////////////////////////////////////////////////////70 //71 // Cache static properties72 //73 /////////////////////////////////////////////////////////////////////////////74_yuitest_coverline("build/cache-base/cache-base.js", 34);75Y.mix(Cache, {76 /**77 * Class name.78 *79 * @property NAME80 * @type String81 * @static82 * @final83 * @value "cache"84 */85 NAME: "cache",86 ATTRS: {87 /////////////////////////////////////////////////////////////////////////////88 //89 // Cache Attributes90 //91 /////////////////////////////////////////////////////////////////////////////92 /**93 * @attribute max94 * @description Maximum number of entries the Cache can hold.95 * Set to 0 to turn off caching.96 * @type Number97 * @default 098 */99 max: {100 value: 0,101 setter: "_setMax"102 },103 /**104 * @attribute size105 * @description Number of entries currently cached.106 * @type Number107 */108 size: {109 readOnly: true,110 getter: "_getSize"111 },112 /**113 * @attribute uniqueKeys114 * @description Validate uniqueness of stored keys. Default is false and115 * is more performant.116 * @type Boolean117 */118 uniqueKeys: {119 value: false120 },121 /**122 * @attribute expires123 * @description Absolute Date when data expires or124 * relative number of milliseconds. Zero disables expiration.125 * @type Date | Number126 * @default 0127 */128 expires: {129 value: 0,130 validator: function(v) {131 _yuitest_coverfunc("build/cache-base/cache-base.js", "validator", 95);132_yuitest_coverline("build/cache-base/cache-base.js", 96);133return Y.Lang.isDate(v) || (Y.Lang.isNumber(v) && v >= 0);134 }135 },136 /**137 * @attribute entries138 * @description Cached entries.139 * @type Array140 */141 entries: {142 readOnly: true,143 getter: "_getEntries"144 }145 }146});147_yuitest_coverline("build/cache-base/cache-base.js", 112);148Y.extend(Cache, Y.Base, {149 /////////////////////////////////////////////////////////////////////////////150 //151 // Cache private properties152 //153 /////////////////////////////////////////////////////////////////////////////154 /**155 * Array of request/response objects indexed chronologically.156 *157 * @property _entries158 * @type Object[]159 * @private160 */161 _entries: null,162 /////////////////////////////////////////////////////////////////////////////163 //164 // Cache private methods165 //166 /////////////////////////////////////////////////////////////////////////////167 /**168 * @method initializer169 * @description Internal init() handler.170 * @param config {Object} Config object.171 * @private172 */173 initializer: function(config) {174 /**175 * @event add176 * @description Fired when an entry is added.177 * @param e {Event.Facade} Event Facade with the following properties:178 * <dl>179 * <dt>entry (Object)</dt> <dd>The cached entry.</dd>180 * </dl>181 * @preventable _defAddFn182 */183 _yuitest_coverfunc("build/cache-base/cache-base.js", "initializer", 140);184_yuitest_coverline("build/cache-base/cache-base.js", 151);185this.publish("add", {defaultFn: this._defAddFn});186 /**187 * @event flush188 * @description Fired when the cache is flushed.189 * @param e {Event.Facade} Event Facade object.190 * @preventable _defFlushFn191 */192 _yuitest_coverline("build/cache-base/cache-base.js", 159);193this.publish("flush", {defaultFn: this._defFlushFn});194 /**195 * @event request196 * @description Fired when an entry is requested from the cache.197 * @param e {Event.Facade} Event Facade with the following properties:198 * <dl>199 * <dt>request (Object)</dt> <dd>The request object.</dd>200 * </dl>201 */202 /**203 * @event retrieve204 * @description Fired when an entry is retrieved from the cache.205 * @param e {Event.Facade} Event Facade with the following properties:206 * <dl>207 * <dt>entry (Object)</dt> <dd>The retrieved entry.</dd>208 * </dl>209 */210 // Initialize internal values211 _yuitest_coverline("build/cache-base/cache-base.js", 180);212this._entries = [];213 },214 /**215 * @method destructor216 * @description Internal destroy() handler.217 * @private218 */219 destructor: function() {220 _yuitest_coverfunc("build/cache-base/cache-base.js", "destructor", 188);221_yuitest_coverline("build/cache-base/cache-base.js", 189);222this._entries = [];223 },224 /////////////////////////////////////////////////////////////////////////////225 //226 // Cache protected methods227 //228 /////////////////////////////////////////////////////////////////////////////229 /**230 * Sets max.231 *232 * @method _setMax233 * @protected234 */235 _setMax: function(value) {236 // If the cache is full, make room by removing stalest element (index=0)237 _yuitest_coverfunc("build/cache-base/cache-base.js", "_setMax", 204);238_yuitest_coverline("build/cache-base/cache-base.js", 206);239var entries = this._entries;240 _yuitest_coverline("build/cache-base/cache-base.js", 207);241if(value > 0) {242 _yuitest_coverline("build/cache-base/cache-base.js", 208);243if(entries) {244 _yuitest_coverline("build/cache-base/cache-base.js", 209);245while(entries.length > value) {246 _yuitest_coverline("build/cache-base/cache-base.js", 210);247entries.shift();248 }249 }250 }251 else {252 _yuitest_coverline("build/cache-base/cache-base.js", 215);253value = 0;254 _yuitest_coverline("build/cache-base/cache-base.js", 216);255this._entries = [];256 }257 _yuitest_coverline("build/cache-base/cache-base.js", 218);258return value;259 },260 /**261 * Gets size.262 *263 * @method _getSize264 * @protected265 */266 _getSize: function() {267 _yuitest_coverfunc("build/cache-base/cache-base.js", "_getSize", 227);268_yuitest_coverline("build/cache-base/cache-base.js", 228);269return this._entries.length;270 },271 /**272 * Gets all entries.273 *274 * @method _getEntries275 * @protected276 */277 _getEntries: function() {278 _yuitest_coverfunc("build/cache-base/cache-base.js", "_getEntries", 237);279_yuitest_coverline("build/cache-base/cache-base.js", 238);280return this._entries;281 },282 /**283 * Adds entry to cache.284 *285 * @method _defAddFn286 * @param e {Event.Facade} Event Facade with the following properties:287 * <dl>288 * <dt>entry (Object)</dt> <dd>The cached entry.</dd>289 * </dl>290 * @protected291 */292 _defAddFn: function(e) {293 _yuitest_coverfunc("build/cache-base/cache-base.js", "_defAddFn", 252);294_yuitest_coverline("build/cache-base/cache-base.js", 253);295var entries = this._entries,296 entry = e.entry,297 max = this.get("max"),298 pos;299 // If uniqueKeys is true and item exists with this key, then remove it.300 _yuitest_coverline("build/cache-base/cache-base.js", 259);301if (this.get("uniqueKeys")) {302 _yuitest_coverline("build/cache-base/cache-base.js", 260);303pos = this._position(e.entry.request);304 _yuitest_coverline("build/cache-base/cache-base.js", 261);305if (LANG.isValue(pos)) {306 _yuitest_coverline("build/cache-base/cache-base.js", 262);307entries.splice(pos, 1);308 }309 }310 // If the cache at or over capacity, make room by removing stalest311 // element(s) starting at index-0.312 _yuitest_coverline("build/cache-base/cache-base.js", 268);313while (max && entries.length >= max) {314 _yuitest_coverline("build/cache-base/cache-base.js", 269);315entries.shift();316 }317 // Add entry to cache in the newest position, at the end of the array318 _yuitest_coverline("build/cache-base/cache-base.js", 273);319entries[entries.length] = entry;320 },321 /**322 * Flushes cache.323 *324 * @method _defFlushFn325 * @param e {Event.Facade} Event Facade object.326 * @protected327 */328 _defFlushFn: function(e) {329 _yuitest_coverfunc("build/cache-base/cache-base.js", "_defFlushFn", 283);330_yuitest_coverline("build/cache-base/cache-base.js", 284);331var entries = this._entries,332 details = e.details[0],333 pos;334 //passed an item, flush only that335 _yuitest_coverline("build/cache-base/cache-base.js", 289);336if(details && LANG.isValue(details.request)) {337 _yuitest_coverline("build/cache-base/cache-base.js", 290);338pos = this._position(details.request);339 _yuitest_coverline("build/cache-base/cache-base.js", 292);340if(LANG.isValue(pos)) {341 _yuitest_coverline("build/cache-base/cache-base.js", 293);342entries.splice(pos,1);343 }344 }345 //no item, flush everything346 else {347 _yuitest_coverline("build/cache-base/cache-base.js", 299);348this._entries = [];349 }350 },351 /**352 * Default overridable method compares current request with given cache entry.353 * Returns true if current request matches the cached request, otherwise354 * false. Implementers should override this method to customize the355 * cache-matching algorithm.356 *357 * @method _isMatch358 * @param request {Object} Request object.359 * @param entry {Object} Cached entry.360 * @return {Boolean} True if current request matches given cached request, false otherwise.361 * @protected362 */363 _isMatch: function(request, entry) {364 _yuitest_coverfunc("build/cache-base/cache-base.js", "_isMatch", 315);365_yuitest_coverline("build/cache-base/cache-base.js", 316);366if(!entry.expires || new Date() < entry.expires) {367 _yuitest_coverline("build/cache-base/cache-base.js", 317);368return (request === entry.request);369 }370 _yuitest_coverline("build/cache-base/cache-base.js", 319);371return false;372 },373 /**374 * Returns position of a request in the entries array, otherwise null.375 *376 * @method _position377 * @param request {Object} Request object.378 * @return {Number} Array position if found, null otherwise.379 * @protected380 */381 _position: function(request) {382 // If cache is enabled...383 _yuitest_coverfunc("build/cache-base/cache-base.js", "_position", 330);384_yuitest_coverline("build/cache-base/cache-base.js", 332);385var entries = this._entries,386 length = entries.length,387 i = length-1;388 _yuitest_coverline("build/cache-base/cache-base.js", 336);389if((this.get("max") === null) || this.get("max") > 0) {390 // Loop through each cached entry starting from the newest391 _yuitest_coverline("build/cache-base/cache-base.js", 338);392for(; i >= 0; i--) {393 // Execute matching function394 _yuitest_coverline("build/cache-base/cache-base.js", 340);395if(this._isMatch(request, entries[i])) {396 _yuitest_coverline("build/cache-base/cache-base.js", 341);397return i;398 }399 }400 }401 _yuitest_coverline("build/cache-base/cache-base.js", 346);402return null;403 },404 /////////////////////////////////////////////////////////////////////////////405 //406 // Cache public methods407 //408 /////////////////////////////////////////////////////////////////////////////409 /**410 * Adds a new entry to the cache of the format411 * {request:request, response:response, cached:cached, expires:expires}.412 * If cache is full, evicts the stalest entry before adding the new one.413 *414 * @method add415 * @param request {Object} Request value.416 * @param response {Object} Response value.417 */418 add: function(request, response) {419 _yuitest_coverfunc("build/cache-base/cache-base.js", "add", 364);420_yuitest_coverline("build/cache-base/cache-base.js", 365);421var expires = this.get("expires");422 _yuitest_coverline("build/cache-base/cache-base.js", 366);423if(this.get("initialized") && ((this.get("max") === null) || this.get("max") > 0) &&424 (LANG.isValue(request) || LANG.isNull(request) || LANG.isUndefined(request))) {425 _yuitest_coverline("build/cache-base/cache-base.js", 368);426this.fire("add", {entry: {427 request:request,428 response:response,429 cached: new Date(),430 expires: isDate(expires) ? expires :431 (expires ? new Date(new Date().getTime() + this.get("expires")) : null)432 }});433 }434 else {435 }436 },437 /**438 * Flushes cache.439 *440 * @method flush441 */442 flush: function(request) {443 _yuitest_coverfunc("build/cache-base/cache-base.js", "flush", 385);444_yuitest_coverline("build/cache-base/cache-base.js", 386);445this.fire("flush", { request: (LANG.isValue(request) ? request : null) });446 },447 /**448 * Retrieves cached object for given request, if available, and refreshes449 * entry in the cache. Returns null if there is no cache match.450 *451 * @method retrieve452 * @param request {Object} Request object.453 * @return {Object} Cached object with the properties request and response, or null.454 */455 retrieve: function(request) {456 // If cache is enabled...457 _yuitest_coverfunc("build/cache-base/cache-base.js", "retrieve", 397);458_yuitest_coverline("build/cache-base/cache-base.js", 399);459var entries = this._entries,460 length = entries.length,461 entry = null,462 pos;463 _yuitest_coverline("build/cache-base/cache-base.js", 404);464if((length > 0) && ((this.get("max") === null) || (this.get("max") > 0))) {465 _yuitest_coverline("build/cache-base/cache-base.js", 405);466this.fire("request", {request: request});467 _yuitest_coverline("build/cache-base/cache-base.js", 407);468pos = this._position(request);469 _yuitest_coverline("build/cache-base/cache-base.js", 409);470if(LANG.isValue(pos)) {471 _yuitest_coverline("build/cache-base/cache-base.js", 410);472entry = entries[pos];473 _yuitest_coverline("build/cache-base/cache-base.js", 412);474this.fire("retrieve", {entry: entry});475 // Refresh the position of the cache hit476 _yuitest_coverline("build/cache-base/cache-base.js", 415);477if(pos < length-1) {478 // Remove element from its original location479 _yuitest_coverline("build/cache-base/cache-base.js", 417);480entries.splice(pos,1);481 // Add as newest482 _yuitest_coverline("build/cache-base/cache-base.js", 419);483entries[entries.length] = entry;484 }485 _yuitest_coverline("build/cache-base/cache-base.js", 422);486return entry;487 }488 }489 _yuitest_coverline("build/cache-base/cache-base.js", 425);490return null;491 }492});493_yuitest_coverline("build/cache-base/cache-base.js", 429);494Y.Cache = Cache;...

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test.js

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1/* global describe, it, before, beforeEach, afterEach */2'use strict';3var chai = require('chai'),4 expect = chai.expect,5 sinon = require('sinon'),6 sinonChai = require('sinon-chai'),7 Cache = require('./index').Cache,8 cache = new Cache(),9 clock;10chai.use(sinonChai);11describe('node-cache', function() {12 beforeEach(function() {13 clock = sinon.useFakeTimers();14 cache.clear();15 });16 afterEach(function() {17 clock.restore();18 });19 describe('put()', function() {20 before(function() {21 cache.debug(false);22 });23 it('should allow adding a new item to the cache', function() {24 expect(function() {25 cache.put('key', 'value');26 }).to.not.throw();27 });28 it('should allow adding a new item to the cache with a timeout', function() {29 expect(function() {30 cache.put('key', 'value', 100);31 }).to.not.throw();32 });33 it('should allow adding a new item to the cache with a timeout callback', function() {34 expect(function() {35 cache.put('key', 'value', 100, function() {});36 }).to.not.throw();37 });38 it('should throw an error given a non-numeric timeout', function() {39 expect(function() {40 cache.put('key', 'value', 'foo');41 }).to.throw();42 });43 it('should throw an error given a timeout of NaN', function() {44 expect(function() {45 cache.put('key', 'value', NaN);46 }).to.throw();47 });48 it('should throw an error given a timeout of 0', function() {49 expect(function() {50 cache.put('key', 'value', 0);51 }).to.throw();52 });53 it('should throw an error given a negative timeout', function() {54 expect(function() {55 cache.put('key', 'value', -100);56 }).to.throw();57 });58 it('should throw an error given a non-function timeout callback', function() {59 expect(function() {60 cache.put('key', 'value', 100, 'foo');61 }).to.throw();62 });63 it('should cause the timeout callback to fire once the cache item expires', function() {64 var spy = sinon.spy();65 cache.put('key', 'value', 1000, spy);66 clock.tick(999);67 expect(spy).to.not.have.been.called;68 clock.tick(1);69 expect(spy).to.have.been.calledOnce.and.calledWith('key', 'value');70 });71 it('should override the timeout callback on a new put() with a different timeout callback', function() {72 var spy1 = sinon.spy();73 var spy2 = sinon.spy();74 cache.put('key', 'value', 1000, spy1);75 clock.tick(999);76 cache.put('key', 'value', 1000, spy2)77 clock.tick(1001);78 expect(spy1).to.not.have.been.called;79 expect(spy2).to.have.been.calledOnce.and.calledWith('key', 'value');80 });81 it('should cancel the timeout callback on a new put() without a timeout callback', function() {82 var spy = sinon.spy();83 cache.put('key', 'value', 1000, spy);84 clock.tick(999);85 cache.put('key', 'value');86 clock.tick(1);87 expect(spy).to.not.have.been.called;88 });89 it('should return the cached value', function() {90 expect(cache.put('key', 'value')).to.equal('value');91 });92 });93 describe('del()', function() {94 before(function() {95 cache.debug(false);96 });97 it('should return false given a key for an empty cache', function() {98 expect(cache.del('miss')).to.be.false;99 });100 it('should return false given a key not in a non-empty cache', function() {101 cache.put('key', 'value');102 expect(cache.del('miss')).to.be.false;103 });104 it('should return true given a key in the cache', function() {105 cache.put('key', 'value');106 expect(cache.del('key')).to.be.true;107 });108 it('should remove the provided key from the cache', function() {109 cache.put('key', 'value');110 expect(cache.get('key')).to.equal('value');111 expect(cache.del('key')).to.be.true;112 expect(cache.get('key')).to.be.null;113 });114 it('should decrement the cache size by 1', function() {115 cache.put('key', 'value');116 expect(cache.size()).to.equal(1);117 expect(cache.del('key')).to.be.true;118 expect(cache.size()).to.equal(0);119 });120 it('should not remove other keys in the cache', function() {121 cache.put('key1', 'value1');122 cache.put('key2', 'value2');123 cache.put('key3', 'value3');124 expect(cache.get('key1')).to.equal('value1');125 expect(cache.get('key2')).to.equal('value2');126 expect(cache.get('key3')).to.equal('value3');127 cache.del('key1');128 expect(cache.get('key1')).to.be.null;129 expect(cache.get('key2')).to.equal('value2');130 expect(cache.get('key3')).to.equal('value3');131 });132 it('should only delete a key from the cache once even if called multiple times in a row', function() {133 cache.put('key1', 'value1');134 cache.put('key2', 'value2');135 cache.put('key3', 'value3');136 expect(cache.size()).to.equal(3);137 cache.del('key1');138 cache.del('key1');139 cache.del('key1');140 expect(cache.size()).to.equal(2);141 });142 it('should handle deleting keys which were previously deleted and then re-added to the cache', function() {143 cache.put('key', 'value');144 expect(cache.get('key')).to.equal('value');145 cache.del('key');146 expect(cache.get('key')).to.be.null;147 cache.put('key', 'value');148 expect(cache.get('key')).to.equal('value');149 cache.del('key');150 expect(cache.get('key')).to.be.null;151 });152 it('should return true given an non-expired key', function() {153 cache.put('key', 'value', 1000);154 clock.tick(999);155 expect(cache.del('key')).to.be.true;156 });157 it('should return false given an expired key', function() {158 cache.put('key', 'value', 1000);159 clock.tick(1000);160 expect(cache.del('key')).to.be.false;161 });162 it('should cancel the timeout callback for the deleted key', function() {163 var spy = sinon.spy();164 cache.put('key', 'value', 1000, spy);165 cache.del('key');166 clock.tick(1000);167 expect(spy).to.not.have.been.called;168 });169 it('should handle deletion of many items', function(done) {170 clock.restore();171 var num = 1000;172 for(var i = 0; i < num; i++){173 cache.put('key' + i, i, 1000);174 }175 expect(cache.size()).to.equal(num);176 setTimeout(function(){177 expect(cache.size()).to.equal(0);178 done();179 }, 1000);180 });181 });182 describe('clear()', function() {183 before(function() {184 cache.debug(false);185 });186 it('should have no effect given an empty cache', function() {187 expect(cache.size()).to.equal(0);188 cache.clear();189 expect(cache.size()).to.equal(0);190 });191 it('should remove all existing keys in the cache', function() {192 cache.put('key1', 'value1');193 cache.put('key2', 'value2');194 cache.put('key3', 'value3');195 expect(cache.size()).to.equal(3);196 cache.clear();197 expect(cache.size()).to.equal(0);198 });199 it('should remove the keys in the cache', function() {200 cache.put('key1', 'value1');201 cache.put('key2', 'value2');202 cache.put('key3', 'value3');203 expect(cache.get('key1')).to.equal('value1');204 expect(cache.get('key2')).to.equal('value2');205 expect(cache.get('key3')).to.equal('value3');206 cache.clear();207 expect(cache.get('key1')).to.be.null;208 expect(cache.get('key2')).to.be.null;209 expect(cache.get('key3')).to.be.null;210 });211 it('should reset the cache size to 0', function() {212 cache.put('key1', 'value1');213 cache.put('key2', 'value2');214 cache.put('key3', 'value3');215 expect(cache.size()).to.equal(3);216 cache.clear();217 expect(cache.size()).to.equal(0);218 });219 it('should reset the debug cache hits', function() {220 cache.debug(true);221 cache.put('key', 'value');222 cache.get('key');223 expect(cache.hits()).to.equal(1);224 cache.clear();225 expect(cache.hits()).to.equal(0);226 });227 it('should reset the debug cache misses', function() {228 cache.debug(true);229 cache.put('key', 'value');230 cache.get('miss1');231 expect(cache.misses()).to.equal(1);232 cache.clear();233 expect(cache.misses()).to.equal(0);234 });235 it('should cancel the timeout callbacks for all existing keys', function() {236 var spy1 = sinon.spy();237 var spy2 = sinon.spy();238 var spy3 = sinon.spy();239 cache.put('key1', 'value1', 1000, spy1);240 cache.put('key2', 'value2', 1000, spy2);241 cache.put('key3', 'value3', 1000, spy3);242 cache.clear();243 clock.tick(1000);244 expect(spy1).to.not.have.been.called;245 expect(spy2).to.not.have.been.called;246 expect(spy3).to.not.have.been.called;247 });248 });249 describe('get()', function() {250 before(function() {251 cache.debug(false);252 });253 it('should return null given a key for an empty cache', function() {254 expect(cache.get('miss')).to.be.null;255 });256 it('should return null given a key not in a non-empty cache', function() {257 cache.put('key', 'value');258 expect(cache.get('miss')).to.be.null;259 });260 it('should return the corresponding value of a key in the cache', function() {261 cache.put('key', 'value');262 expect(cache.get('key')).to.equal('value');263 });264 it('should return the latest corresponding value of a key in the cache', function() {265 cache.put('key', 'value1');266 cache.put('key', 'value2');267 cache.put('key', 'value3');268 expect(cache.get('key')).to.equal('value3');269 });270 it('should handle various types of cache keys', function() {271 var keys = [null, undefined, NaN, true, false, 0, 1, Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY, '', 'a', [], {}, [1, 'a', false], {a:1,b:'a',c:false}, function() {}];272 keys.forEach(function(key, index) {273 var value = 'value' + index;274 cache.put(key, value);275 expect(cache.get(key)).to.deep.equal(value);276 });277 });278 it('should handle various types of cache values', function() {279 var values = [null, undefined, NaN, true, false, 0, 1, Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY, '', 'a', [], {}, [1, 'a', false], {a:1,b:'a',c:false}, function() {}];280 values.forEach(function(value, index) {281 var key = 'key' + index;282 cache.put(key, value);283 expect(cache.get(key)).to.deep.equal(value);284 });285 });286 it('should not set a timeout given no expiration time', function() {287 cache.put('key', 'value');288 clock.tick(1000);289 expect(cache.get('key')).to.equal('value');290 });291 it('should return the corresponding value of a non-expired key in the cache', function() {292 cache.put('key', 'value', 1000);293 clock.tick(999);294 expect(cache.get('key')).to.equal('value');295 });296 it('should return null given an expired key', function() {297 cache.put('key', 'value', 1000);298 clock.tick(1000);299 expect(cache.get('key')).to.be.null;300 });301 it('should return null given an expired key', function() {302 cache.put('key', 'value', 1000);303 clock.tick(1000);304 expect(cache.get('key')).to.be.null;305 });306 it('should return null given a key which is a property on the Object prototype', function() {307 expect(cache.get('toString')).to.be.null;308 });309 it('should allow reading the value for a key which is a property on the Object prototype', function() {310 cache.put('toString', 'value');311 expect(cache.get('toString')).to.equal('value');312 });313 });314 describe('size()', function() {315 before(function() {316 cache.debug(false);317 });318 it('should return 0 given a fresh cache', function() {319 expect(cache.size()).to.equal(0);320 });321 it('should return 1 after adding a single item to the cache', function() {322 cache.put('key', 'value');323 expect(cache.size()).to.equal(1);324 });325 it('should return 3 after adding three items to the cache', function() {326 cache.put('key1', 'value1');327 cache.put('key2', 'value2');328 cache.put('key3', 'value3');329 expect(cache.size()).to.equal(3);330 });331 it('should not multi-count duplicate items added to the cache', function() {332 cache.put('key', 'value1');333 expect(cache.size()).to.equal(1);334 cache.put('key', 'value2');335 expect(cache.size()).to.equal(1);336 });337 it('should update when a key in the cache expires', function() {338 cache.put('key', 'value', 1000);339 expect(cache.size()).to.equal(1);340 clock.tick(999);341 expect(cache.size()).to.equal(1);342 clock.tick(1);343 expect(cache.size()).to.equal(0);344 });345 });346 describe('memsize()', function() {347 before(function() {348 cache.debug(false);349 });350 it('should return 0 given a fresh cache', function() {351 expect(cache.memsize()).to.equal(0);352 });353 it('should return 1 after adding a single item to the cache', function() {354 cache.put('key', 'value');355 expect(cache.memsize()).to.equal(1);356 });357 it('should return 3 after adding three items to the cache', function() {358 cache.put('key1', 'value1');359 cache.put('key2', 'value2');360 cache.put('key3', 'value3');361 expect(cache.memsize()).to.equal(3);362 });363 it('should not multi-count duplicate items added to the cache', function() {364 cache.put('key', 'value1');365 expect(cache.memsize()).to.equal(1);366 cache.put('key', 'value2');367 expect(cache.memsize()).to.equal(1);368 });369 it('should update when a key in the cache expires', function() {370 cache.put('key', 'value', 1000);371 expect(cache.memsize()).to.equal(1);372 clock.tick(999);373 expect(cache.memsize()).to.equal(1);374 clock.tick(1);375 expect(cache.memsize()).to.equal(0);376 });377 });378 describe('debug()', function() {379 it('should not count cache hits when false', function() {380 cache.debug(false);381 cache.put('key', 'value');382 cache.get('key');383 expect(cache.hits()).to.equal(0);384 });385 it('should not count cache misses when false', function() {386 cache.debug(false);387 cache.put('key', 'value');388 cache.get('miss1');389 expect(cache.misses()).to.equal(0);390 });391 it('should count cache hits when true', function() {392 cache.debug(true);393 cache.put('key', 'value');394 cache.get('key');395 expect(cache.hits()).to.equal(1);396 });397 it('should count cache misses when true', function() {398 cache.debug(true);399 cache.put('key', 'value');400 cache.get('miss1');401 expect(cache.misses()).to.equal(1);402 });403 });404 describe('hits()', function() {405 before(function() {406 cache.debug(true);407 });408 it('should return 0 given an empty cache', function() {409 expect(cache.hits()).to.equal(0);410 });411 it('should return 0 given a non-empty cache which has not been accessed', function() {412 cache.put('key', 'value');413 expect(cache.hits()).to.equal(0);414 });415 it('should return 0 given a non-empty cache which has had only misses', function() {416 cache.put('key', 'value');417 cache.get('miss1');418 cache.get('miss2');419 cache.get('miss3');420 expect(cache.hits()).to.equal(0);421 });422 it('should return 1 given a non-empty cache which has had a single hit', function() {423 cache.put('key', 'value');424 cache.get('key');425 expect(cache.hits()).to.equal(1);426 });427 it('should return 3 given a non-empty cache which has had three hits on the same key', function() {428 cache.put('key', 'value');429 cache.get('key');430 cache.get('key');431 cache.get('key');432 expect(cache.hits()).to.equal(3);433 });434 it('should return 3 given a non-empty cache which has had three hits across many keys', function() {435 cache.put('key1', 'value1');436 cache.put('key2', 'value2');437 cache.put('key3', 'value3');438 cache.get('key1');439 cache.get('key2');440 cache.get('key3');441 expect(cache.hits()).to.equal(3);442 });443 it('should return the correct value after a sequence of hits and misses', function() {444 cache.put('key1', 'value1');445 cache.put('key2', 'value2');446 cache.put('key3', 'value3');447 cache.get('key1');448 cache.get('miss');449 cache.get('key3');450 expect(cache.hits()).to.equal(2);451 });452 it('should not count hits for expired keys', function() {453 cache.put('key', 'value', 1000);454 cache.get('key');455 expect(cache.hits()).to.equal(1);456 clock.tick(999);457 cache.get('key');458 expect(cache.hits()).to.equal(2);459 clock.tick(1);460 cache.get('key');461 expect(cache.hits()).to.equal(2);462 });463 });464 describe('misses()', function() {465 before(function() {466 cache.debug(true);467 });468 it('should return 0 given an empty cache', function() {469 expect(cache.misses()).to.equal(0);470 });471 it('should return 0 given a non-empty cache which has not been accessed', function() {472 cache.put('key', 'value');473 expect(cache.misses()).to.equal(0);474 });475 it('should return 0 given a non-empty cache which has had only hits', function() {476 cache.put('key', 'value');477 cache.get('key');478 cache.get('key');479 cache.get('key');480 expect(cache.misses()).to.equal(0);481 });482 it('should return 1 given a non-empty cache which has had a single miss', function() {483 cache.put('key', 'value');484 cache.get('miss');485 expect(cache.misses()).to.equal(1);486 });487 it('should return 3 given a non-empty cache which has had three misses', function() {488 cache.put('key', 'value');489 cache.get('miss1');490 cache.get('miss2');491 cache.get('miss3');492 expect(cache.misses()).to.equal(3);493 });494 it('should return the correct value after a sequence of hits and misses', function() {495 cache.put('key1', 'value1');496 cache.put('key2', 'value2');497 cache.put('key3', 'value3');498 cache.get('key1');499 cache.get('miss');500 cache.get('key3');501 expect(cache.misses()).to.equal(1);502 });503 it('should count misses for expired keys', function() {504 cache.put('key', 'value', 1000);505 cache.get('key');506 expect(cache.misses()).to.equal(0);507 clock.tick(999);508 cache.get('key');509 expect(cache.misses()).to.equal(0);510 clock.tick(1);511 cache.get('key');512 expect(cache.misses()).to.equal(1);513 });514 });515 describe('keys()', function() {516 before(function() {517 cache.debug(false);518 });519 it('should return an empty array given an empty cache', function() {520 expect(cache.keys()).to.deep.equal([]);521 });522 it('should return a single key after adding a single item to the cache', function() {523 cache.put('key', 'value');524 expect(cache.keys()).to.deep.equal(['key']);525 });526 it('should return 3 keys after adding three items to the cache', function() {527 cache.put('key1', 'value1');528 cache.put('key2', 'value2');529 cache.put('key3', 'value3');530 expect(cache.keys()).to.deep.equal(['key1', 'key2', 'key3']);531 });532 it('should not multi-count duplicate items added to the cache', function() {533 cache.put('key', 'value1');534 expect(cache.keys()).to.deep.equal(['key']);535 cache.put('key', 'value2');536 expect(cache.keys()).to.deep.equal(['key']);537 });538 it('should update when a key in the cache expires', function() {539 cache.put('key', 'value', 1000);540 expect(cache.keys()).to.deep.equal(['key']);541 clock.tick(999);542 expect(cache.keys()).to.deep.equal(['key']);543 clock.tick(1);544 expect(cache.keys()).to.deep.equal([]);545 });546 });547 describe('export()', function() {548 var START_TIME = 10000;549 var BASIC_EXPORT = JSON.stringify({550 key: {551 value: 'value',552 expire: START_TIME + 1000,553 },554 });555 before(function() {556 cache.debug(false);557 });558 beforeEach(function() {559 clock.tick(START_TIME);560 });561 it('should return an empty object given an empty cache', function() {562 expect(cache.exportJson()).to.equal(JSON.stringify({}));563 });564 it('should return a single record after adding a single item to the cache', function() {565 cache.put('key', 'value', 1000);566 expect(cache.exportJson()).to.equal(BASIC_EXPORT);567 });568 it('should return multiple records with expiry', function() {569 cache.put('key1', 'value1');570 cache.put('key2', 'value2', 1000);571 expect(cache.exportJson()).to.equal(JSON.stringify({572 key1: {573 value: 'value1',574 expire: 'NaN',575 },576 key2: {577 value: 'value2',578 expire: START_TIME + 1000,579 },580 }));581 });582 it('should update when a key in the cache expires', function() {583 cache.put('key', 'value', 1000);584 expect(cache.exportJson()).to.equal(BASIC_EXPORT);585 clock.tick(999);586 expect(cache.exportJson()).to.equal(BASIC_EXPORT);587 clock.tick(1);588 expect(cache.exportJson()).to.equal(JSON.stringify({}));589 });590 });591 describe('import()', function() {592 var START_TIME = 10000;593 var BASIC_EXPORT = JSON.stringify({594 key: {595 value: 'value',596 expire: START_TIME + 1000,597 },598 });599 before(function() {600 cache.debug(false);601 });602 beforeEach(function() {603 clock.tick(START_TIME);604 });605 it('should import an empty object into an empty cache', function() {606 var exportedJson = cache.exportJson();607 cache.clear();608 cache.importJson(exportedJson);609 expect(cache.exportJson()).to.equal(JSON.stringify({}));610 });611 it('should import records into an empty cache', function() {612 cache.put('key1', 'value1');613 cache.put('key2', 'value2', 1000);614 var exportedJson = cache.exportJson();615 cache.clear();616 cache.importJson(exportedJson);617 expect(cache.exportJson()).to.equal(JSON.stringify({618 key1: {619 value: 'value1',620 expire: 'NaN',621 },622 key2: {623 value: 'value2',624 expire: START_TIME + 1000,625 },626 }));627 });628 it('should import records into an already-existing cache', function() {629 cache.put('key1', 'value1');630 cache.put('key2', 'value2', 1000);631 var exportedJson = cache.exportJson();632 cache.put('key1', 'changed value', 5000);633 cache.put('key3', 'value3', 500);634 cache.importJson(exportedJson);635 expect(cache.exportJson()).to.equal(JSON.stringify({636 key1: {637 value: 'value1',638 expire: 'NaN',639 },640 key2: {641 value: 'value2',642 expire: START_TIME + 1000,643 },644 key3: {645 value: 'value3',646 expire: START_TIME + 500,647 },648 }));649 });650 it('should import records into an already-existing cache and skip duplicates', function() {651 cache.debug(true);652 cache.put('key1', 'value1');653 cache.put('key2', 'value2', 1000);654 var exportedJson = cache.exportJson();655 cache.clear();656 cache.put('key1', 'changed value', 5000);657 cache.put('key3', 'value3', 500);658 cache.importJson(exportedJson, { skipDuplicates: true });659 expect(cache.exportJson()).to.equal(JSON.stringify({660 key1: {661 value: 'changed value',662 expire: START_TIME + 5000,663 },664 key3: {665 value: 'value3',666 expire: START_TIME + 500,667 },668 key2: {669 value: 'value2',670 expire: START_TIME + 1000,671 },672 }));673 });674 it('should import with updated expire times', function() {675 cache.put('key1', 'value1', 500);676 cache.put('key2', 'value2', 1000);677 var exportedJson = cache.exportJson();678 var tickAmount = 750;679 clock.tick(tickAmount);680 cache.importJson(exportedJson);681 expect(cache.exportJson()).to.equal(JSON.stringify({682 key2: {683 value: 'value2',684 expire: START_TIME + tickAmount + 250,685 },686 }));687 });688 it('should return the new size', function() {689 cache.put('key1', 'value1', 500);690 var exportedJson = cache.exportJson();691 cache.clear();692 cache.put('key2', 'value2', 1000);693 expect(cache.size()).to.equal(1);694 var size = cache.importJson(exportedJson);695 expect(size).to.equal(2);696 expect(cache.size()).to.equal(2);697 });698 });699 describe('Cache()', function() {700 it('should return a new cache instance when called', function() {701 var cache1 = new Cache(),702 cache2 = new Cache();703 cache1.put('key', 'value1');704 expect(cache1.keys()).to.deep.equal(['key']);705 expect(cache2.keys()).to.deep.equal([]);706 cache2.put('key', 'value2');707 expect(cache1.get('key')).to.equal('value1');708 expect(cache2.get('key')).to.equal('value2');709 });710 });...

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cache-offline-coverage.js

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1/*2YUI 3.7.3 (build 5687)3Copyright 2012 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7if (typeof _yuitest_coverage == "undefined"){8 _yuitest_coverage = {};9 _yuitest_coverline = function(src, line){10 var coverage = _yuitest_coverage[src];11 if (!coverage.lines[line]){12 coverage.calledLines++;13 }14 coverage.lines[line]++;15 };16 _yuitest_coverfunc = function(src, name, line){17 var coverage = _yuitest_coverage[src],18 funcId = name + ":" + line;19 if (!coverage.functions[funcId]){20 coverage.calledFunctions++;21 }22 coverage.functions[funcId]++;23 };24}25_yuitest_coverage["build/cache-offline/cache-offline.js"] = {26 lines: {},27 functions: {},28 coveredLines: 0,29 calledLines: 0,30 coveredFunctions: 0,31 calledFunctions: 0,32 path: "build/cache-offline/cache-offline.js",33 code: []34};35_yuitest_coverage["build/cache-offline/cache-offline.js"].code=["YUI.add('cache-offline', function (Y, NAME) {","","/**"," * Provides a Cache subclass which uses HTML5 `localStorage` for persistence."," * "," * @module cache"," * @submodule cache-offline"," */","","/**"," * Extends Cache utility with offline functionality."," * @class CacheOffline"," * @extends Cache"," * @constructor"," */","function CacheOffline() {"," CacheOffline.superclass.constructor.apply(this, arguments);","}","","var localStorage = null,"," JSON = Y.JSON;","","// Bug 2529572","try {"," localStorage = Y.config.win.localStorage;","}","catch(e) {","}","","/////////////////////////////////////////////////////////////////////////////","//","// CacheOffline events","//","/////////////////////////////////////////////////////////////////////////////","","/**","* @event error","* @description Fired when an entry could not be added, most likely due to","* exceeded browser quota.","* <dl>","* <dt>error (Object)</dt> <dd>The error object.</dd>","* </dl>","*/","","/////////////////////////////////////////////////////////////////////////////","//","// CacheOffline static","//","/////////////////////////////////////////////////////////////////////////////","Y.mix(CacheOffline, {"," /**"," * Class name."," *"," * @property NAME"," * @type String"," * @static"," * @final"," * @value \"cacheOffline\""," */"," NAME: \"cacheOffline\",",""," ATTRS: {"," /////////////////////////////////////////////////////////////////////////////"," //"," // CacheOffline Attributes"," //"," /////////////////////////////////////////////////////////////////////////////",""," /**"," * @attribute sandbox"," * @description A string that must be passed in via the constructor."," * This identifier is used to sandbox one cache instance's entries"," * from another. Calling the cache instance's flush and length methods"," * or get(\"entries\") will apply to only these sandboxed entries."," * @type String"," * @default \"default\""," * @initOnly"," */"," sandbox: {"," value: \"default\","," writeOnce: \"initOnly\""," },",""," /**"," * @attribute expires"," * @description Absolute Date when data expires or"," * relative number of milliseconds. Zero disables expiration."," * @type Date | Number"," * @default 86400000 (one day)"," */"," expires: {"," value: 86400000"," },",""," /**"," * @attribute max"," * @description Disabled."," * @readOnly"," * @default null"," */"," max: {"," value: null,"," readOnly: true"," },",""," /**"," * @attribute uniqueKeys"," * @description Always true for CacheOffline."," * @readOnly"," * @default true"," */"," uniqueKeys: {"," value: true,"," readOnly: true,"," setter: function() {"," return true;"," }"," }"," },",""," /**"," * Removes all items from all sandboxes. Useful if localStorage has"," * exceeded quota. Only supported on browsers that implement HTML 5"," * localStorage."," *"," * @method flushAll"," * @static"," */"," flushAll: function() {"," var store = localStorage, key;"," if(store) {"," if(store.clear) {"," store.clear();"," }"," // FF2.x and FF3.0.x"," else {"," for (key in store) {"," if (store.hasOwnProperty(key)) {"," store.removeItem(key);"," delete store[key];"," }"," }"," }"," }"," else {"," }"," }","});","","Y.extend(CacheOffline, Y.Cache, localStorage ? {","/////////////////////////////////////////////////////////////////////////////","//","// Offline is supported","//","/////////////////////////////////////////////////////////////////////////////",""," /////////////////////////////////////////////////////////////////////////////"," //"," // CacheOffline protected methods"," //"," /////////////////////////////////////////////////////////////////////////////"," /**"," * Always return null."," *"," * @method _setMax"," * @protected"," */"," _setMax: function(value) {"," return null;"," },",""," /**"," * Gets size."," *"," * @method _getSize"," * @protected"," */"," _getSize: function() {"," var count = 0,"," i=0,"," l=localStorage.length;"," for(; i<l; ++i) {"," // Match sandbox id"," if(localStorage.key(i).indexOf(this.get(\"sandbox\")) === 0) {"," count++;"," }"," }"," return count;"," },",""," /**"," * Gets all entries."," *"," * @method _getEntries"," * @protected"," */"," _getEntries: function() {"," var entries = [],"," i=0,"," l=localStorage.length,"," sandbox = this.get(\"sandbox\");"," for(; i<l; ++i) {"," // Match sandbox id"," if(localStorage.key(i).indexOf(sandbox) === 0) {"," entries[i] = JSON.parse(localStorage.key(i).substring(sandbox.length));"," }"," }"," return entries;"," },",""," /**"," * Adds entry to cache."," *"," * @method _defAddFn"," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>entry (Object)</dt> <dd>The cached entry.</dd>"," * </dl>"," * @protected"," */"," _defAddFn: function(e) {"," var entry = e.entry,"," request = entry.request,"," cached = entry.cached,"," expires = entry.expires;",""," // Convert Dates to msecs on the way into localStorage"," entry.cached = cached.getTime();"," entry.expires = expires ? expires.getTime() : expires;",""," try {"," localStorage.setItem(this.get(\"sandbox\")+JSON.stringify({\"request\":request}), JSON.stringify(entry));"," }"," catch(error) {"," this.fire(\"error\", {error:error});"," }"," },",""," /**"," * Flushes cache."," *"," * @method _defFlushFn"," * @param e {Event.Facade} Event Facade object."," * @protected"," */"," _defFlushFn: function(e) {"," var key,"," i=localStorage.length-1;"," for(; i>-1; --i) {"," // Match sandbox id"," key = localStorage.key(i);"," if(key.indexOf(this.get(\"sandbox\")) === 0) {"," localStorage.removeItem(key);"," }"," }"," },",""," /////////////////////////////////////////////////////////////////////////////"," //"," // CacheOffline public methods"," //"," /////////////////////////////////////////////////////////////////////////////"," /**"," * Adds a new entry to the cache of the format"," * {request:request, response:response, cached:cached, expires: expires}."," *"," * @method add"," * @param request {Object} Request value must be a String or JSON."," * @param response {Object} Response value must be a String or JSON."," */",""," /**"," * Retrieves cached object for given request, if available."," * Returns null if there is no cache match."," *"," * @method retrieve"," * @param request {Object} Request object."," * @return {Object} Cached object with the properties request, response,"," * and expires, or null."," */"," retrieve: function(request) {"," this.fire(\"request\", {request: request});",""," var entry, expires, sandboxedrequest;",""," try {"," sandboxedrequest = this.get(\"sandbox\")+JSON.stringify({\"request\":request});"," try {"," entry = JSON.parse(localStorage.getItem(sandboxedrequest));"," }"," catch(e) {"," }"," }"," catch(e2) {"," }",""," if(entry) {"," // Convert msecs to Dates on the way out of localStorage"," entry.cached = new Date(entry.cached);"," expires = entry.expires;"," expires = !expires ? null : new Date(expires);"," entry.expires = expires;",""," if(this._isMatch(request, entry)) {"," this.fire(\"retrieve\", {entry: entry});"," return entry;"," }"," }"," return null;"," }","} :","/////////////////////////////////////////////////////////////////////////////","//","// Offline is not supported","//","/////////////////////////////////////////////////////////////////////////////","{"," /**"," * Always return null."," *"," * @method _setMax"," * @protected"," */"," _setMax: function(value) {"," return null;"," }","});","","","Y.CacheOffline = CacheOffline;","","","}, '3.7.3', {\"requires\": [\"cache-base\", \"json\"]});"];36_yuitest_coverage["build/cache-offline/cache-offline.js"].lines = {"1":0,"16":0,"17":0,"20":0,"24":0,"25":0,"50":0,"116":0,"130":0,"131":0,"132":0,"133":0,"137":0,"138":0,"139":0,"140":0,"150":0,"169":0,"179":0,"182":0,"184":0,"185":0,"188":0,"198":0,"202":0,"204":0,"205":0,"208":0,"222":0,"228":0,"229":0,"231":0,"232":0,"235":0,"247":0,"249":0,"251":0,"252":0,"253":0,"282":0,"284":0,"286":0,"287":0,"288":0,"289":0,"297":0,"299":0,"300":0,"301":0,"302":0,"304":0,"305":0,"306":0,"309":0,"325":0,"330":0};37_yuitest_coverage["build/cache-offline/cache-offline.js"].functions = {"CacheOffline:16":0,"setter:115":0,"flushAll:129":0,"_setMax:168":0,"_getSize:178":0,"_getEntries:197":0,"_defAddFn:221":0,"_defFlushFn:246":0,"retrieve:281":0,"_setMax:324":0,"(anonymous 1):1":0};38_yuitest_coverage["build/cache-offline/cache-offline.js"].coveredLines = 56;39_yuitest_coverage["build/cache-offline/cache-offline.js"].coveredFunctions = 11;40_yuitest_coverline("build/cache-offline/cache-offline.js", 1);41YUI.add('cache-offline', function (Y, NAME) {42/**43 * Provides a Cache subclass which uses HTML5 `localStorage` for persistence.44 * 45 * @module cache46 * @submodule cache-offline47 */48/**49 * Extends Cache utility with offline functionality.50 * @class CacheOffline51 * @extends Cache52 * @constructor53 */54_yuitest_coverfunc("build/cache-offline/cache-offline.js", "(anonymous 1)", 1);55_yuitest_coverline("build/cache-offline/cache-offline.js", 16);56function CacheOffline() {57 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "CacheOffline", 16);58_yuitest_coverline("build/cache-offline/cache-offline.js", 17);59CacheOffline.superclass.constructor.apply(this, arguments);60}61_yuitest_coverline("build/cache-offline/cache-offline.js", 20);62var localStorage = null,63 JSON = Y.JSON;64// Bug 252957265_yuitest_coverline("build/cache-offline/cache-offline.js", 24);66try {67 _yuitest_coverline("build/cache-offline/cache-offline.js", 25);68localStorage = Y.config.win.localStorage;69}70catch(e) {71}72/////////////////////////////////////////////////////////////////////////////73//74// CacheOffline events75//76/////////////////////////////////////////////////////////////////////////////77/**78* @event error79* @description Fired when an entry could not be added, most likely due to80* exceeded browser quota.81* <dl>82* <dt>error (Object)</dt> <dd>The error object.</dd>83* </dl>84*/85/////////////////////////////////////////////////////////////////////////////86//87// CacheOffline static88//89/////////////////////////////////////////////////////////////////////////////90_yuitest_coverline("build/cache-offline/cache-offline.js", 50);91Y.mix(CacheOffline, {92 /**93 * Class name.94 *95 * @property NAME96 * @type String97 * @static98 * @final99 * @value "cacheOffline"100 */101 NAME: "cacheOffline",102 ATTRS: {103 /////////////////////////////////////////////////////////////////////////////104 //105 // CacheOffline Attributes106 //107 /////////////////////////////////////////////////////////////////////////////108 /**109 * @attribute sandbox110 * @description A string that must be passed in via the constructor.111 * This identifier is used to sandbox one cache instance's entries112 * from another. Calling the cache instance's flush and length methods113 * or get("entries") will apply to only these sandboxed entries.114 * @type String115 * @default "default"116 * @initOnly117 */118 sandbox: {119 value: "default",120 writeOnce: "initOnly"121 },122 /**123 * @attribute expires124 * @description Absolute Date when data expires or125 * relative number of milliseconds. Zero disables expiration.126 * @type Date | Number127 * @default 86400000 (one day)128 */129 expires: {130 value: 86400000131 },132 /**133 * @attribute max134 * @description Disabled.135 * @readOnly136 * @default null137 */138 max: {139 value: null,140 readOnly: true141 },142 /**143 * @attribute uniqueKeys144 * @description Always true for CacheOffline.145 * @readOnly146 * @default true147 */148 uniqueKeys: {149 value: true,150 readOnly: true,151 setter: function() {152 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "setter", 115);153_yuitest_coverline("build/cache-offline/cache-offline.js", 116);154return true;155 }156 }157 },158 /**159 * Removes all items from all sandboxes. Useful if localStorage has160 * exceeded quota. Only supported on browsers that implement HTML 5161 * localStorage.162 *163 * @method flushAll164 * @static165 */166 flushAll: function() {167 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "flushAll", 129);168_yuitest_coverline("build/cache-offline/cache-offline.js", 130);169var store = localStorage, key;170 _yuitest_coverline("build/cache-offline/cache-offline.js", 131);171if(store) {172 _yuitest_coverline("build/cache-offline/cache-offline.js", 132);173if(store.clear) {174 _yuitest_coverline("build/cache-offline/cache-offline.js", 133);175store.clear();176 }177 // FF2.x and FF3.0.x178 else {179 _yuitest_coverline("build/cache-offline/cache-offline.js", 137);180for (key in store) {181 _yuitest_coverline("build/cache-offline/cache-offline.js", 138);182if (store.hasOwnProperty(key)) {183 _yuitest_coverline("build/cache-offline/cache-offline.js", 139);184store.removeItem(key);185 _yuitest_coverline("build/cache-offline/cache-offline.js", 140);186delete store[key];187 }188 }189 }190 }191 else {192 }193 }194});195_yuitest_coverline("build/cache-offline/cache-offline.js", 150);196Y.extend(CacheOffline, Y.Cache, localStorage ? {197/////////////////////////////////////////////////////////////////////////////198//199// Offline is supported200//201/////////////////////////////////////////////////////////////////////////////202 /////////////////////////////////////////////////////////////////////////////203 //204 // CacheOffline protected methods205 //206 /////////////////////////////////////////////////////////////////////////////207 /**208 * Always return null.209 *210 * @method _setMax211 * @protected212 */213 _setMax: function(value) {214 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_setMax", 168);215_yuitest_coverline("build/cache-offline/cache-offline.js", 169);216return null;217 },218 /**219 * Gets size.220 *221 * @method _getSize222 * @protected223 */224 _getSize: function() {225 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_getSize", 178);226_yuitest_coverline("build/cache-offline/cache-offline.js", 179);227var count = 0,228 i=0,229 l=localStorage.length;230 _yuitest_coverline("build/cache-offline/cache-offline.js", 182);231for(; i<l; ++i) {232 // Match sandbox id233 _yuitest_coverline("build/cache-offline/cache-offline.js", 184);234if(localStorage.key(i).indexOf(this.get("sandbox")) === 0) {235 _yuitest_coverline("build/cache-offline/cache-offline.js", 185);236count++;237 }238 }239 _yuitest_coverline("build/cache-offline/cache-offline.js", 188);240return count;241 },242 /**243 * Gets all entries.244 *245 * @method _getEntries246 * @protected247 */248 _getEntries: function() {249 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_getEntries", 197);250_yuitest_coverline("build/cache-offline/cache-offline.js", 198);251var entries = [],252 i=0,253 l=localStorage.length,254 sandbox = this.get("sandbox");255 _yuitest_coverline("build/cache-offline/cache-offline.js", 202);256for(; i<l; ++i) {257 // Match sandbox id258 _yuitest_coverline("build/cache-offline/cache-offline.js", 204);259if(localStorage.key(i).indexOf(sandbox) === 0) {260 _yuitest_coverline("build/cache-offline/cache-offline.js", 205);261entries[i] = JSON.parse(localStorage.key(i).substring(sandbox.length));262 }263 }264 _yuitest_coverline("build/cache-offline/cache-offline.js", 208);265return entries;266 },267 /**268 * Adds entry to cache.269 *270 * @method _defAddFn271 * @param e {Event.Facade} Event Facade with the following properties:272 * <dl>273 * <dt>entry (Object)</dt> <dd>The cached entry.</dd>274 * </dl>275 * @protected276 */277 _defAddFn: function(e) {278 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_defAddFn", 221);279_yuitest_coverline("build/cache-offline/cache-offline.js", 222);280var entry = e.entry,281 request = entry.request,282 cached = entry.cached,283 expires = entry.expires;284 // Convert Dates to msecs on the way into localStorage285 _yuitest_coverline("build/cache-offline/cache-offline.js", 228);286entry.cached = cached.getTime();287 _yuitest_coverline("build/cache-offline/cache-offline.js", 229);288entry.expires = expires ? expires.getTime() : expires;289 _yuitest_coverline("build/cache-offline/cache-offline.js", 231);290try {291 _yuitest_coverline("build/cache-offline/cache-offline.js", 232);292localStorage.setItem(this.get("sandbox")+JSON.stringify({"request":request}), JSON.stringify(entry));293 }294 catch(error) {295 _yuitest_coverline("build/cache-offline/cache-offline.js", 235);296this.fire("error", {error:error});297 }298 },299 /**300 * Flushes cache.301 *302 * @method _defFlushFn303 * @param e {Event.Facade} Event Facade object.304 * @protected305 */306 _defFlushFn: function(e) {307 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_defFlushFn", 246);308_yuitest_coverline("build/cache-offline/cache-offline.js", 247);309var key,310 i=localStorage.length-1;311 _yuitest_coverline("build/cache-offline/cache-offline.js", 249);312for(; i>-1; --i) {313 // Match sandbox id314 _yuitest_coverline("build/cache-offline/cache-offline.js", 251);315key = localStorage.key(i);316 _yuitest_coverline("build/cache-offline/cache-offline.js", 252);317if(key.indexOf(this.get("sandbox")) === 0) {318 _yuitest_coverline("build/cache-offline/cache-offline.js", 253);319localStorage.removeItem(key);320 }321 }322 },323 /////////////////////////////////////////////////////////////////////////////324 //325 // CacheOffline public methods326 //327 /////////////////////////////////////////////////////////////////////////////328 /**329 * Adds a new entry to the cache of the format330 * {request:request, response:response, cached:cached, expires: expires}.331 *332 * @method add333 * @param request {Object} Request value must be a String or JSON.334 * @param response {Object} Response value must be a String or JSON.335 */336 /**337 * Retrieves cached object for given request, if available.338 * Returns null if there is no cache match.339 *340 * @method retrieve341 * @param request {Object} Request object.342 * @return {Object} Cached object with the properties request, response,343 * and expires, or null.344 */345 retrieve: function(request) {346 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "retrieve", 281);347_yuitest_coverline("build/cache-offline/cache-offline.js", 282);348this.fire("request", {request: request});349 _yuitest_coverline("build/cache-offline/cache-offline.js", 284);350var entry, expires, sandboxedrequest;351 _yuitest_coverline("build/cache-offline/cache-offline.js", 286);352try {353 _yuitest_coverline("build/cache-offline/cache-offline.js", 287);354sandboxedrequest = this.get("sandbox")+JSON.stringify({"request":request});355 _yuitest_coverline("build/cache-offline/cache-offline.js", 288);356try {357 _yuitest_coverline("build/cache-offline/cache-offline.js", 289);358entry = JSON.parse(localStorage.getItem(sandboxedrequest));359 }360 catch(e) {361 }362 }363 catch(e2) {364 }365 _yuitest_coverline("build/cache-offline/cache-offline.js", 297);366if(entry) {367 // Convert msecs to Dates on the way out of localStorage368 _yuitest_coverline("build/cache-offline/cache-offline.js", 299);369entry.cached = new Date(entry.cached);370 _yuitest_coverline("build/cache-offline/cache-offline.js", 300);371expires = entry.expires;372 _yuitest_coverline("build/cache-offline/cache-offline.js", 301);373expires = !expires ? null : new Date(expires);374 _yuitest_coverline("build/cache-offline/cache-offline.js", 302);375entry.expires = expires;376 _yuitest_coverline("build/cache-offline/cache-offline.js", 304);377if(this._isMatch(request, entry)) {378 _yuitest_coverline("build/cache-offline/cache-offline.js", 305);379this.fire("retrieve", {entry: entry});380 _yuitest_coverline("build/cache-offline/cache-offline.js", 306);381return entry;382 }383 }384 _yuitest_coverline("build/cache-offline/cache-offline.js", 309);385return null;386 }387} :388/////////////////////////////////////////////////////////////////////////////389//390// Offline is not supported391//392/////////////////////////////////////////////////////////////////////////////393{394 /**395 * Always return null.396 *397 * @method _setMax398 * @protected399 */400 _setMax: function(value) {401 _yuitest_coverfunc("build/cache-offline/cache-offline.js", "_setMax", 324);402_yuitest_coverline("build/cache-offline/cache-offline.js", 325);403return null;404 }405});406_yuitest_coverline("build/cache-offline/cache-offline.js", 330);407Y.CacheOffline = CacheOffline;...

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datasource-cache-coverage.js

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1/*2YUI 3.7.3 (build 5687)3Copyright 2012 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7if (typeof _yuitest_coverage == "undefined"){8 _yuitest_coverage = {};9 _yuitest_coverline = function(src, line){10 var coverage = _yuitest_coverage[src];11 if (!coverage.lines[line]){12 coverage.calledLines++;13 }14 coverage.lines[line]++;15 };16 _yuitest_coverfunc = function(src, name, line){17 var coverage = _yuitest_coverage[src],18 funcId = name + ":" + line;19 if (!coverage.functions[funcId]){20 coverage.calledFunctions++;21 }22 coverage.functions[funcId]++;23 };24}25_yuitest_coverage["build/datasource-cache/datasource-cache.js"] = {26 lines: {},27 functions: {},28 coveredLines: 0,29 calledLines: 0,30 coveredFunctions: 0,31 calledFunctions: 0,32 path: "build/datasource-cache/datasource-cache.js",33 code: []34};35_yuitest_coverage["build/datasource-cache/datasource-cache.js"].code=["YUI.add('datasource-cache', function (Y, NAME) {","","/**"," * Plugs DataSource with caching functionality."," *"," * @module datasource"," * @submodule datasource-cache"," */","","/**"," * DataSourceCache extension binds Cache to DataSource."," * @class DataSourceCacheExtension"," */","var DataSourceCacheExtension = function() {","};","","Y.mix(DataSourceCacheExtension, {"," /**"," * The namespace for the plugin. This will be the property on the host which"," * references the plugin instance."," *"," * @property NS"," * @type String"," * @static"," * @final"," * @value \"cache\""," */"," NS: \"cache\",",""," /**"," * Class name."," *"," * @property NAME"," * @type String"," * @static"," * @final"," * @value \"dataSourceCacheExtension\""," */"," NAME: \"dataSourceCacheExtension\"","});","","DataSourceCacheExtension.prototype = {"," /**"," * Internal init() handler."," *"," * @method initializer"," * @param config {Object} Config object."," * @private"," */"," initializer: function(config) {"," this.doBefore(\"_defRequestFn\", this._beforeDefRequestFn);"," this.doBefore(\"_defResponseFn\", this._beforeDefResponseFn);"," },",""," /**"," * First look for cached response, then send request to live data."," *"," * @method _beforeDefRequestFn"," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>tId (Number)</dt> <dd>Unique transaction ID.</dd>"," * <dt>request (Object)</dt> <dd>The request.</dd>"," * <dt>callback (Object)</dt> <dd>The callback object.</dd>"," * <dt>cfg (Object)</dt> <dd>Configuration object.</dd>"," * </dl>"," * @protected"," */"," _beforeDefRequestFn: function(e) {"," // Is response already in the Cache?"," var entry = (this.retrieve(e.request)) || null,"," payload = e.details[0];",""," if (entry && entry.response) {"," payload.cached = entry.cached;"," payload.response = entry.response;"," payload.data = entry.data;",""," this.get(\"host\").fire(\"response\", payload);",""," return new Y.Do.Halt(\"DataSourceCache extension halted _defRequestFn\");"," }"," },",""," /**"," * Adds data to cache before returning data."," *"," * @method _beforeDefResponseFn"," * @param e {Event.Facade} Event Facade with the following properties:"," * <dl>"," * <dt>tId (Number)</dt> <dd>Unique transaction ID.</dd>"," * <dt>request (Object)</dt> <dd>The request.</dd>"," * <dt>callback (Object)</dt> <dd>The callback object with the following properties:"," * <dl>"," * <dt>success (Function)</dt> <dd>Success handler.</dd>"," * <dt>failure (Function)</dt> <dd>Failure handler.</dd>"," * </dl>"," * </dd>"," * <dt>data (Object)</dt> <dd>Raw data.</dd>"," * <dt>response (Object)</dt> <dd>Normalized response object with the following properties:"," * <dl>"," * <dt>cached (Object)</dt> <dd>True when response is cached.</dd>"," * <dt>results (Object)</dt> <dd>Parsed results.</dd>"," * <dt>meta (Object)</dt> <dd>Parsed meta data.</dd>"," * <dt>error (Object)</dt> <dd>Error object.</dd>"," * </dl>"," * </dd>"," * <dt>cfg (Object)</dt> <dd>Configuration object.</dd>"," * </dl>"," * @protected"," */"," _beforeDefResponseFn: function(e) {"," // Add to Cache before returning"," if(e.response && !e.cached) {"," this.add(e.request, e.response);"," }"," }","};","","Y.namespace(\"Plugin\").DataSourceCacheExtension = DataSourceCacheExtension;","","","","/**"," * DataSource plugin adds cache functionality."," * @class DataSourceCache"," * @extends Cache"," * @uses Plugin.Base, DataSourceCachePlugin"," */","function DataSourceCache(config) {"," var cache = config && config.cache ? config.cache : Y.Cache,"," tmpclass = Y.Base.create(\"dataSourceCache\", cache, [Y.Plugin.Base, Y.Plugin.DataSourceCacheExtension]),"," tmpinstance = new tmpclass(config);"," tmpclass.NS = \"tmpClass\";"," return tmpinstance;","}","","Y.mix(DataSourceCache, {"," /**"," * The namespace for the plugin. 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This will be the property on the host which60 * references the plugin instance.61 *62 * @property NS63 * @type String64 * @static65 * @final66 * @value "cache"67 */68 NS: "cache",69 /**70 * Class name.71 *72 * @property NAME73 * @type String74 * @static75 * @final76 * @value "dataSourceCacheExtension"77 */78 NAME: "dataSourceCacheExtension"79});80_yuitest_coverline("build/datasource-cache/datasource-cache.js", 42);81DataSourceCacheExtension.prototype = {82 /**83 * Internal init() handler.84 *85 * @method initializer86 * @param config {Object} Config object.87 * @private88 */89 initializer: function(config) {90 _yuitest_coverfunc("build/datasource-cache/datasource-cache.js", "initializer", 50);91_yuitest_coverline("build/datasource-cache/datasource-cache.js", 51);92this.doBefore("_defRequestFn", this._beforeDefRequestFn);93 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 52);94this.doBefore("_defResponseFn", this._beforeDefResponseFn);95 },96 /**97 * First look for cached response, then send request to live data.98 *99 * @method _beforeDefRequestFn100 * @param e {Event.Facade} Event Facade with the following properties:101 * <dl>102 * <dt>tId (Number)</dt> <dd>Unique transaction ID.</dd>103 * <dt>request (Object)</dt> <dd>The request.</dd>104 * <dt>callback (Object)</dt> <dd>The callback object.</dd>105 * <dt>cfg (Object)</dt> <dd>Configuration object.</dd>106 * </dl>107 * @protected108 */109 _beforeDefRequestFn: function(e) {110 // Is response already in the Cache?111 _yuitest_coverfunc("build/datasource-cache/datasource-cache.js", "_beforeDefRequestFn", 68);112_yuitest_coverline("build/datasource-cache/datasource-cache.js", 70);113var entry = (this.retrieve(e.request)) || null,114 payload = e.details[0];115 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 73);116if (entry && entry.response) {117 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 74);118payload.cached = entry.cached;119 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 75);120payload.response = entry.response;121 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 76);122payload.data = entry.data;123 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 78);124this.get("host").fire("response", payload);125 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 80);126return new Y.Do.Halt("DataSourceCache extension halted _defRequestFn");127 }128 },129 /**130 * Adds data to cache before returning data.131 *132 * @method _beforeDefResponseFn133 * @param e {Event.Facade} Event Facade with the following properties:134 * <dl>135 * <dt>tId (Number)</dt> <dd>Unique transaction ID.</dd>136 * <dt>request (Object)</dt> <dd>The request.</dd>137 * <dt>callback (Object)</dt> <dd>The callback object with the following properties:138 * <dl>139 * <dt>success (Function)</dt> <dd>Success handler.</dd>140 * <dt>failure (Function)</dt> <dd>Failure handler.</dd>141 * </dl>142 * </dd>143 * <dt>data (Object)</dt> <dd>Raw data.</dd>144 * <dt>response (Object)</dt> <dd>Normalized response object with the following properties:145 * <dl>146 * <dt>cached (Object)</dt> <dd>True when response is cached.</dd>147 * <dt>results (Object)</dt> <dd>Parsed results.</dd>148 * <dt>meta (Object)</dt> <dd>Parsed meta data.</dd>149 * <dt>error (Object)</dt> <dd>Error object.</dd>150 * </dl>151 * </dd>152 * <dt>cfg (Object)</dt> <dd>Configuration object.</dd>153 * </dl>154 * @protected155 */156 _beforeDefResponseFn: function(e) {157 // Add to Cache before returning158 _yuitest_coverfunc("build/datasource-cache/datasource-cache.js", "_beforeDefResponseFn", 111);159_yuitest_coverline("build/datasource-cache/datasource-cache.js", 113);160if(e.response && !e.cached) {161 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 114);162this.add(e.request, e.response);163 }164 }165};166_yuitest_coverline("build/datasource-cache/datasource-cache.js", 119);167Y.namespace("Plugin").DataSourceCacheExtension = DataSourceCacheExtension;168/**169 * DataSource plugin adds cache functionality.170 * @class DataSourceCache171 * @extends Cache172 * @uses Plugin.Base, DataSourceCachePlugin173 */174_yuitest_coverline("build/datasource-cache/datasource-cache.js", 129);175function DataSourceCache(config) {176 _yuitest_coverfunc("build/datasource-cache/datasource-cache.js", "DataSourceCache", 129);177_yuitest_coverline("build/datasource-cache/datasource-cache.js", 130);178var cache = config && config.cache ? config.cache : Y.Cache,179 tmpclass = Y.Base.create("dataSourceCache", cache, [Y.Plugin.Base, Y.Plugin.DataSourceCacheExtension]),180 tmpinstance = new tmpclass(config);181 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 133);182tmpclass.NS = "tmpClass";183 _yuitest_coverline("build/datasource-cache/datasource-cache.js", 134);184return tmpinstance;185}186_yuitest_coverline("build/datasource-cache/datasource-cache.js", 137);187Y.mix(DataSourceCache, {188 /**189 * The namespace for the plugin. This will be the property on the host which190 * references the plugin instance.191 *192 * @property NS193 * @type String194 * @static195 * @final196 * @value "cache"197 */198 NS: "cache",199 /**200 * Class name.201 *202 * @property NAME203 * @type String204 * @static205 * @final206 * @value "dataSourceCache"207 */208 NAME: "dataSourceCache"209});210_yuitest_coverline("build/datasource-cache/datasource-cache.js", 163);211Y.namespace("Plugin").DataSourceCache = DataSourceCache;...

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cacheFactory.js

Source:cacheFactory.js Github

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1'use strict';2/**3 * @ngdoc service4 * @name $cacheFactory5 *6 * @description7 * Factory that constructs {@link $cacheFactory.Cache Cache} objects and gives access to8 * them.9 *10 * ```js11 *12 * var cache = $cacheFactory('cacheId');13 * expect($cacheFactory.get('cacheId')).toBe(cache);14 * expect($cacheFactory.get('noSuchCacheId')).not.toBeDefined();15 *16 * cache.put("key", "value");17 * cache.put("another key", "another value");18 *19 * // We've specified no options on creation20 * expect(cache.info()).toEqual({id: 'cacheId', size: 2});21 *22 * ```23 *24 *25 * @param {string} cacheId Name or id of the newly created cache.26 * @param {object=} options Options object that specifies the cache behavior. Properties:27 *28 * - `{number=}` `capacity` — turns the cache into LRU cache.29 *30 * @returns {object} Newly created cache object with the following set of methods:31 *32 * - `{object}` `info()` — Returns id, size, and options of cache.33 * - `{{*}}` `put({string} key, {*} value)` — Puts a new key-value pair into the cache and returns34 * it.35 * - `{{*}}` `get({string} key)` — Returns cached value for `key` or undefined for cache miss.36 * - `{void}` `remove({string} key)` — Removes a key-value pair from the cache.37 * - `{void}` `removeAll()` — Removes all cached values.38 * - `{void}` `destroy()` — Removes references to this cache from $cacheFactory.39 *40 * @example41 <example module="cacheExampleApp">42 <file name="index.html">43 <div ng-controller="CacheController">44 <input ng-model="newCacheKey" placeholder="Key">45 <input ng-model="newCacheValue" placeholder="Value">46 <button ng-click="put(newCacheKey, newCacheValue)">Cache</button>47 <p ng-if="keys.length">Cached Values</p>48 <div ng-repeat="key in keys">49 <span ng-bind="key"></span>50 <span>: </span>51 <b ng-bind="cache.get(key)"></b>52 </div>53 <p>Cache Info</p>54 <div ng-repeat="(key, value) in cache.info()">55 <span ng-bind="key"></span>56 <span>: </span>57 <b ng-bind="value"></b>58 </div>59 </div>60 </file>61 <file name="script.js">62 angular.module('cacheExampleApp', []).63 controller('CacheController', ['$scope', '$cacheFactory', function($scope, $cacheFactory) {64 $scope.keys = [];65 $scope.cache = $cacheFactory('cacheId');66 $scope.put = function(key, value) {67 if ($scope.cache.get(key) === undefined) {68 $scope.keys.push(key);69 }70 $scope.cache.put(key, value === undefined ? null : value);71 };72 }]);73 </file>74 <file name="style.css">75 p {76 margin: 10px 0 3px;77 }78 </file>79 </example>80 */81function $CacheFactoryProvider() {82 this.$get = function() {83 var caches = {};84 function cacheFactory(cacheId, options) {85 if (cacheId in caches) {86 throw minErr('$cacheFactory')('iid', "CacheId '{0}' is already taken!", cacheId);87 }88 var size = 0,89 stats = extend({}, options, {id: cacheId}),90 data = {},91 capacity = (options && options.capacity) || Number.MAX_VALUE,92 lruHash = {},93 freshEnd = null,94 staleEnd = null;95 /**96 * @ngdoc type97 * @name $cacheFactory.Cache98 *99 * @description100 * A cache object used to store and retrieve data, primarily used by101 * {@link $http $http} and the {@link ng.directive:script script} directive to cache102 * templates and other data.103 *104 * ```js105 * angular.module('superCache')106 * .factory('superCache', ['$cacheFactory', function($cacheFactory) {107 * return $cacheFactory('super-cache');108 * }]);109 * ```110 *111 * Example test:112 *113 * ```js114 * it('should behave like a cache', inject(function(superCache) {115 * superCache.put('key', 'value');116 * superCache.put('another key', 'another value');117 *118 * expect(superCache.info()).toEqual({119 * id: 'super-cache',120 * size: 2121 * });122 *123 * superCache.remove('another key');124 * expect(superCache.get('another key')).toBeUndefined();125 *126 * superCache.removeAll();127 * expect(superCache.info()).toEqual({128 * id: 'super-cache',129 * size: 0130 * });131 * }));132 * ```133 */134 return caches[cacheId] = {135 /**136 * @ngdoc method137 * @name $cacheFactory.Cache#put138 * @kind function139 *140 * @description141 * Inserts a named entry into the {@link $cacheFactory.Cache Cache} object to be142 * retrieved later, and incrementing the size of the cache if the key was not already143 * present in the cache. If behaving like an LRU cache, it will also remove stale144 * entries from the set.145 *146 * It will not insert undefined values into the cache.147 *148 * @param {string} key the key under which the cached data is stored.149 * @param {*} value the value to store alongside the key. If it is undefined, the key150 * will not be stored.151 * @returns {*} the value stored.152 */153 put: function(key, value) {154 if (capacity < Number.MAX_VALUE) {155 var lruEntry = lruHash[key] || (lruHash[key] = {key: key});156 refresh(lruEntry);157 }158 if (isUndefined(value)) return;159 if (!(key in data)) size++;160 data[key] = value;161 if (size > capacity) {162 this.remove(staleEnd.key);163 }164 return value;165 },166 /**167 * @ngdoc method168 * @name $cacheFactory.Cache#get169 * @kind function170 *171 * @description172 * Retrieves named data stored in the {@link $cacheFactory.Cache Cache} object.173 *174 * @param {string} key the key of the data to be retrieved175 * @returns {*} the value stored.176 */177 get: function(key) {178 if (capacity < Number.MAX_VALUE) {179 var lruEntry = lruHash[key];180 if (!lruEntry) return;181 refresh(lruEntry);182 }183 return data[key];184 },185 /**186 * @ngdoc method187 * @name $cacheFactory.Cache#remove188 * @kind function189 *190 * @description191 * Removes an entry from the {@link $cacheFactory.Cache Cache} object.192 *193 * @param {string} key the key of the entry to be removed194 */195 remove: function(key) {196 if (capacity < Number.MAX_VALUE) {197 var lruEntry = lruHash[key];198 if (!lruEntry) return;199 if (lruEntry == freshEnd) freshEnd = lruEntry.p;200 if (lruEntry == staleEnd) staleEnd = lruEntry.n;201 link(lruEntry.n,lruEntry.p);202 delete lruHash[key];203 }204 delete data[key];205 size--;206 },207 /**208 * @ngdoc method209 * @name $cacheFactory.Cache#removeAll210 * @kind function211 *212 * @description213 * Clears the cache object of any entries.214 */215 removeAll: function() {216 data = {};217 size = 0;218 lruHash = {};219 freshEnd = staleEnd = null;220 },221 /**222 * @ngdoc method223 * @name $cacheFactory.Cache#destroy224 * @kind function225 *226 * @description227 * Destroys the {@link $cacheFactory.Cache Cache} object entirely,228 * removing it from the {@link $cacheFactory $cacheFactory} set.229 */230 destroy: function() {231 data = null;232 stats = null;233 lruHash = null;234 delete caches[cacheId];235 },236 /**237 * @ngdoc method238 * @name $cacheFactory.Cache#info239 * @kind function240 *241 * @description242 * Retrieve information regarding a particular {@link $cacheFactory.Cache Cache}.243 *244 * @returns {object} an object with the following properties:245 * <ul>246 * <li>**id**: the id of the cache instance</li>247 * <li>**size**: the number of entries kept in the cache instance</li>248 * <li>**...**: any additional properties from the options object when creating the249 * cache.</li>250 * </ul>251 */252 info: function() {253 return extend({}, stats, {size: size});254 }255 };256 /**257 * makes the `entry` the freshEnd of the LRU linked list258 */259 function refresh(entry) {260 if (entry != freshEnd) {261 if (!staleEnd) {262 staleEnd = entry;263 } else if (staleEnd == entry) {264 staleEnd = entry.n;265 }266 link(entry.n, entry.p);267 link(entry, freshEnd);268 freshEnd = entry;269 freshEnd.n = null;270 }271 }272 /**273 * bidirectionally links two entries of the LRU linked list274 */275 function link(nextEntry, prevEntry) {276 if (nextEntry != prevEntry) {277 if (nextEntry) nextEntry.p = prevEntry; //p stands for previous, 'prev' didn't minify278 if (prevEntry) prevEntry.n = nextEntry; //n stands for next, 'next' didn't minify279 }280 }281 }282 /**283 * @ngdoc method284 * @name $cacheFactory#info285 *286 * @description287 * Get information about all the caches that have been created288 *289 * @returns {Object} - key-value map of `cacheId` to the result of calling `cache#info`290 */291 cacheFactory.info = function() {292 var info = {};293 forEach(caches, function(cache, cacheId) {294 info[cacheId] = cache.info();295 });296 return info;297 };298 /**299 * @ngdoc method300 * @name $cacheFactory#get301 *302 * @description303 * Get access to a cache object by the `cacheId` used when it was created.304 *305 * @param {string} cacheId Name or id of a cache to access.306 * @returns {object} Cache object identified by the cacheId or undefined if no such cache.307 */308 cacheFactory.get = function(cacheId) {309 return caches[cacheId];310 };311 return cacheFactory;312 };313}314/**315 * @ngdoc service316 * @name $templateCache317 *318 * @description319 * The first time a template is used, it is loaded in the template cache for quick retrieval. You320 * can load templates directly into the cache in a `script` tag, or by consuming the321 * `$templateCache` service directly.322 *323 * Adding via the `script` tag:324 *325 * ```html326 * <script type="text/ng-template" id="templateId.html">327 * <p>This is the content of the template</p>328 * </script>329 * ```330 *331 * **Note:** the `script` tag containing the template does not need to be included in the `head` of332 * the document, but it must be a descendent of the {@link ng.$rootElement $rootElement} (IE,333 * element with ng-app attribute), otherwise the template will be ignored.334 *335 * Adding via the `$templateCache` service:336 *337 * ```js338 * var myApp = angular.module('myApp', []);339 * myApp.run(function($templateCache) {340 * $templateCache.put('templateId.html', 'This is the content of the template');341 * });342 * ```343 *344 * To retrieve the template later, simply use it in your HTML:345 * ```html346 * <div ng-include=" 'templateId.html' "></div>347 * ```348 *349 * or get it via Javascript:350 * ```js351 * $templateCache.get('templateId.html')352 * ```353 *354 * See {@link ng.$cacheFactory $cacheFactory}.355 *356 */357function $TemplateCacheProvider() {358 this.$get = ['$cacheFactory', function($cacheFactory) {359 return $cacheFactory('templates');360 }];...

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cacheFactorySpec.js

Source:cacheFactorySpec.js Github

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1'use strict';2describe('$cacheFactory', function() {3 it('should be injected', inject(function($cacheFactory) {4 expect($cacheFactory).toBeDefined();5 }));6 it('should return a new cache whenever called', inject(function($cacheFactory) {7 var cache1 = $cacheFactory('cache1');8 var cache2 = $cacheFactory('cache2');9 expect(cache1).not.toEqual(cache2);10 }));11 it('should complain if the cache id is being reused', inject(function($cacheFactory) {12 $cacheFactory('cache1');13 expect(function() { $cacheFactory('cache1'); }).14 toThrowMinErr("$cacheFactory", "iid", "CacheId 'cache1' is already taken!");15 }));16 describe('info', function() {17 it('should provide info about all created caches', inject(function($cacheFactory) {18 expect($cacheFactory.info()).toEqual({});19 var cache1 = $cacheFactory('cache1');20 expect($cacheFactory.info()).toEqual({cache1: {id: 'cache1', size: 0}});21 cache1.put('foo', 'bar');22 expect($cacheFactory.info()).toEqual({cache1: {id: 'cache1', size: 1}});23 }));24 });25 describe('get', function() {26 it('should return a cache if looked up by id', inject(function($cacheFactory) {27 var cache1 = $cacheFactory('cache1'),28 cache2 = $cacheFactory('cache2');29 expect(cache1).not.toBe(cache2);30 expect(cache1).toBe($cacheFactory.get('cache1'));31 expect(cache2).toBe($cacheFactory.get('cache2'));32 }));33 });34 describe('cache', function() {35 var cache;36 beforeEach(inject(function($cacheFactory) {37 cache = $cacheFactory('test');38 }));39 describe('put, get & remove', function() {40 it('should add cache entries via add and retrieve them via get', inject(function($cacheFactory) {41 cache.put('key1', 'bar');42 cache.put('key2', {bar:'baz'});43 expect(cache.get('key2')).toEqual({bar:'baz'});44 expect(cache.get('key1')).toBe('bar');45 }));46 it('should ignore put if the value is undefined', inject(function($cacheFactory) {47 cache.put();48 cache.put('key1');49 cache.put('key2', undefined);50 expect(cache.info().size).toBe(0);51 }));52 it('should remove entries via remove', inject(function($cacheFactory) {53 cache.put('k1', 'foo');54 cache.put('k2', 'bar');55 cache.remove('k2');56 expect(cache.get('k1')).toBe('foo');57 expect(cache.get('k2')).toBeUndefined();58 cache.remove('k1');59 expect(cache.get('k1')).toBeUndefined();60 expect(cache.get('k2')).toBeUndefined();61 }));62 it('should return undefined when entry does not exist', inject(function($cacheFactory) {63 expect(cache.remove('non-existent')).toBeUndefined();64 }));65 it('should stringify keys', inject(function($cacheFactory) {66 cache.put('123', 'foo');67 cache.put(123, 'bar');68 expect(cache.get('123')).toBe('bar');69 expect(cache.info().size).toBe(1);70 cache.remove(123);71 expect(cache.info().size).toBe(0);72 }));73 it("should return value from put", inject(function($cacheFactory) {74 var obj = {};75 expect(cache.put('k1', obj)).toBe(obj);76 }));77 });78 describe('info', function() {79 it('should size increment with put and decrement with remove', inject(function($cacheFactory) {80 expect(cache.info().size).toBe(0);81 cache.put('foo', 'bar');82 expect(cache.info().size).toBe(1);83 cache.put('baz', 'boo');84 expect(cache.info().size).toBe(2);85 cache.remove('baz');86 expect(cache.info().size).toBe(1);87 cache.remove('foo');88 expect(cache.info().size).toBe(0);89 }));90 it('should return cache id', inject(function($cacheFactory) {91 expect(cache.info().id).toBe('test');92 }));93 });94 describe('removeAll', function() {95 it('should blow away all data', inject(function($cacheFactory) {96 cache.put('id1', 1);97 cache.put('id2', 2);98 cache.put('id3', 3);99 expect(cache.info().size).toBe(3);100 cache.removeAll();101 expect(cache.info().size).toBe(0);102 expect(cache.get('id1')).toBeUndefined();103 expect(cache.get('id2')).toBeUndefined();104 expect(cache.get('id3')).toBeUndefined();105 }));106 });107 describe('destroy', function() {108 it('should make the cache unusable and remove references to it from $cacheFactory', inject(function($cacheFactory) {109 cache.put('foo', 'bar');110 cache.destroy();111 expect(function() { cache.get('foo'); }).toThrow();112 expect(function() { cache.get('neverexisted'); }).toThrow();113 expect(function() { cache.put('foo', 'bar'); }).toThrow();114 expect($cacheFactory.get('test')).toBeUndefined();115 expect($cacheFactory.info()).toEqual({});116 }));117 });118 });119 describe('LRU cache', function() {120 it('should create cache with defined capacity', inject(function($cacheFactory) {121 var cache = $cacheFactory('cache1', {capacity: 5});122 expect(cache.info().size).toBe(0);123 for (var i = 0; i < 5; i++) {124 cache.put('id' + i, i);125 }126 expect(cache.info().size).toBe(5);127 cache.put('id5', 5);128 expect(cache.info().size).toBe(5);129 cache.put('id6', 6);130 expect(cache.info().size).toBe(5);131 }));132 describe('eviction', function() {133 var cache;134 beforeEach(inject(function($cacheFactory) {135 cache = $cacheFactory('cache1', {capacity: 2});136 cache.put('id0', 0);137 cache.put('id1', 1);138 }));139 it('should kick out the first entry on put', inject(function($cacheFactory) {140 cache.put('id2', 2);141 expect(cache.get('id0')).toBeUndefined();142 expect(cache.get('id1')).toBe(1);143 expect(cache.get('id2')).toBe(2);144 }));145 it('should refresh an entry via get', inject(function($cacheFactory) {146 cache.get('id0');147 cache.put('id2', 2);148 expect(cache.get('id0')).toBe(0);149 expect(cache.get('id1')).toBeUndefined();150 expect(cache.get('id2')).toBe(2);151 }));152 it('should refresh an entry via put', inject(function($cacheFactory) {153 cache.put('id0', '00');154 cache.put('id2', 2);155 expect(cache.get('id0')).toBe('00');156 expect(cache.get('id1')).toBeUndefined();157 expect(cache.get('id2')).toBe(2);158 }));159 it('should not purge an entry if another one was removed', inject(function($cacheFactory) {160 cache.remove('id1');161 cache.put('id2', 2);162 expect(cache.get('id0')).toBe(0);163 expect(cache.get('id1')).toBeUndefined();164 expect(cache.get('id2')).toBe(2);165 }));166 it('should purge the next entry if the stalest one was removed', inject(function($cacheFactory) {167 cache.remove('id0');168 cache.put('id2', 2);169 cache.put('id3', 3);170 expect(cache.get('id0')).toBeUndefined();171 expect(cache.get('id1')).toBeUndefined();172 expect(cache.get('id2')).toBe(2);173 expect(cache.get('id3')).toBe(3);174 }));175 it('should correctly recreate the linked list if all cache entries were removed', inject(function($cacheFactory) {176 cache.remove('id0');177 cache.remove('id1');178 cache.put('id2', 2);179 cache.put('id3', 3);180 cache.put('id4', 4);181 expect(cache.get('id0')).toBeUndefined();182 expect(cache.get('id1')).toBeUndefined();183 expect(cache.get('id2')).toBeUndefined();184 expect(cache.get('id3')).toBe(3);185 expect(cache.get('id4')).toBe(4);186 }));187 it('should blow away the entire cache via removeAll and start evicting when full', inject(function($cacheFactory) {188 cache.put('id0', 0);189 cache.put('id1', 1);190 cache.removeAll();191 cache.put('id2', 2);192 cache.put('id3', 3);193 cache.put('id4', 4);194 expect(cache.info().size).toBe(2);195 expect(cache.get('id0')).toBeUndefined();196 expect(cache.get('id1')).toBeUndefined();197 expect(cache.get('id2')).toBeUndefined();198 expect(cache.get('id3')).toBe(3);199 expect(cache.get('id4')).toBe(4);200 }));201 it('should correctly refresh and evict items if operations are chained', inject(function($cacheFactory) {202 cache = $cacheFactory('cache2', {capacity: 3});203 cache.put('id0', 0); //0204 cache.put('id1', 1); //1,0205 cache.put('id2', 2); //2,1,0206 cache.get('id0'); //0,2,1207 cache.put('id3', 3); //3,0,2208 cache.put('id0', 9); //0,3,2209 cache.put('id4', 4); //4,0,3210 expect(cache.get('id3')).toBe(3);211 expect(cache.get('id0')).toBe(9);212 expect(cache.get('id4')).toBe(4);213 cache.remove('id0'); //4,3214 cache.remove('id3'); //4215 cache.put('id5', 5); //5,4216 cache.put('id6', 6); //6,5,4217 cache.get('id4'); //4,6,5218 cache.put('id7', 7); //7,4,6219 expect(cache.get('id0')).toBeUndefined();220 expect(cache.get('id1')).toBeUndefined();221 expect(cache.get('id2')).toBeUndefined();222 expect(cache.get('id3')).toBeUndefined();223 expect(cache.get('id4')).toBe(4);224 expect(cache.get('id5')).toBeUndefined();225 expect(cache.get('id6')).toBe(6);226 expect(cache.get('id7')).toBe(7);227 cache.removeAll();228 cache.put('id0', 0); //0229 cache.put('id1', 1); //1,0230 cache.put('id2', 2); //2,1,0231 cache.put('id3', 3); //3,2,1232 expect(cache.info().size).toBe(3);233 expect(cache.get('id0')).toBeUndefined();234 expect(cache.get('id1')).toBe(1);235 expect(cache.get('id2')).toBe(2);236 expect(cache.get('id3')).toBe(3);237 }));238 });239 });...

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LruCache.js

Source:LruCache.js Github

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1describe("Ext.util.LruCache", function(){2 var cache,3 obj1 = {objIdx:1},4 obj2 = {objIdx:2},5 obj3 = {objIdx:3},6 obj4 = {objIdx:4},7 obj5 = {objIdx:5},8 obj6 = {objIdx:6},9 obj7 = {objIdx:7},10 obj8 = {objIdx:8},11 obj9 = {objIdx:9},12 obj10 = {objIdx:10};13 function createCache(config) {14 cache = new Ext.util.LruCache(config);15 }16 describe("Adding", function(){17 it("should create an empty cache", function(){18 createCache();19 expect(cache.length).toBe(0);20 expect(cache.first).toBeNull;21 expect(cache.last).toBeNull();22 expect(cache.getValues()).toEqual([]);23 expect(cache.getKeys()).toEqual([]);24 });25 it("should contain 1 entry", function(){26 createCache();27 cache.add(1, obj1);28 expect(cache.length).toEqual(1);29 expect(cache.first.value).toBe(obj1);30 expect(cache.last.value).toBe(obj1);31 expect(cache.getValues()).toEqual([obj1]);32 expect(cache.getKeys()).toEqual([1]);33 });34 it("should contain 2 entries", function(){35 createCache();36 cache.add(1, obj1);37 cache.add(2, obj2);38 expect(cache.length).toEqual(2);39 expect(cache.first.value).toBe(obj1);40 expect(cache.last.value).toBe(obj2);41 expect(cache.getValues()).toEqual([obj1, obj2]);42 expect(cache.getKeys()).toEqual([1, 2]);43 });44 it("should be able to add existing keys", function() {45 createCache();46 cache.add(1, obj1);47 cache.add(2, obj2);48 cache.add(1, obj3);49 expect(cache.length).toEqual(2);50 expect(cache.first.value).toBe(obj2);51 expect(cache.last.value).toBe(obj3);52 expect(cache.getValues()).toEqual([obj2, obj3]);53 expect(cache.getKeys()).toEqual([2, 1]);54 });55 });56 describe("Sort on access", function() {57 it("should move accessed items to the end", function(){58 createCache();59 cache.add(1, obj1);60 cache.add(2, obj2);61 expect(cache.getValues()).toEqual([obj1, obj2]);62 expect(cache.getKeys()).toEqual([1, 2]);63 cache.get(1);64 expect(cache.getValues()).toEqual([obj2, obj1]);65 expect(cache.getKeys()).toEqual([2, 1]);66 });67 });68 describe("Inserting", function() {69 it("should insert at the requested point", function(){70 createCache();71 cache.add(1, obj1);72 cache.insertBefore(2, obj2, obj1);73 expect(cache.getValues()).toEqual([obj2, obj1]);74 expect(cache.getKeys()).toEqual([2, 1]);75 });76 });77 describe("Iterating", function() {78 it("should iterate in order", function(){79 var result = [];80 createCache();81 cache.add(1, obj1);82 cache.add(2, obj2);83 cache.each(function(key, value, length) {84 result.push(key, value);85 });86 expect(result).toEqual([1, obj1, 2, obj2]);87 });88 it("should iterate in reverse order", function(){89 var result = [];90 createCache();91 cache.add(1, obj1);92 cache.add(2, obj2);93 cache.each(function(key, value, length) {94 result.push(key, value);95 }, null, true);96 expect(result).toEqual([2, obj2, 1, obj1]);97 });98 });99 describe("Removing", function() {100 it("should remove by key and re-link", function(){101 createCache();102 cache.add(1, obj1);103 cache.add(2, obj2);104 cache.add(3, obj3);105 cache.removeAtKey(2)106 expect(cache.getValues()).toEqual([obj1, obj3]);107 expect(cache.getKeys()).toEqual([1, 3]);108 });109 it("should remove by value and re-link", function(){110 createCache();111 cache.add(1, obj1);112 cache.add(2, obj2);113 cache.add(3, obj3);114 cache.remove(obj2)115 expect(cache.getValues()).toEqual([obj1, obj3]);116 expect(cache.getKeys()).toEqual([1, 3]);117 });118 });119 describe("Clearing", function() {120 it("should remove all", function(){121 createCache();122 cache.add(1, obj1);123 cache.add(2, obj2);124 cache.clear();125 expect(cache.getValues()).toEqual([]);126 expect(cache.getKeys()).toEqual([]);127 });128 });129 describe("Purging", function() {130 it("should only contain the last 5 added", function(){131 createCache({132 maxSize: 5133 });134 cache.add(1, obj1);135 cache.add(2, obj2);136 cache.add(3, obj3);137 cache.add(4, obj4);138 cache.add(5, obj5);139 expect(cache.getValues()).toEqual([obj1, obj2, obj3, obj4, obj5]);140 expect(cache.getKeys()).toEqual([1, 2, 3, 4, 5]);141 cache.add(6, obj6);142 expect(cache.getValues()).toEqual([obj2, obj3, obj4, obj5, obj6]);143 expect(cache.getKeys()).toEqual([2, 3, 4, 5, 6]);144 cache.add(7, obj7);145 expect(cache.getValues()).toEqual([obj3, obj4, obj5, obj6, obj7]);146 expect(cache.getKeys()).toEqual([3, 4, 5, 6, 7]);147 cache.add(8, obj8);148 expect(cache.getValues()).toEqual([obj4, obj5, obj6, obj7, obj8]);149 expect(cache.getKeys()).toEqual([4, 5, 6, 7, 8]);150 cache.add(9, obj9);151 expect(cache.getValues()).toEqual([obj5, obj6, obj7, obj8, obj9]);152 expect(cache.getKeys()).toEqual([5, 6, 7, 8, 9]);153 cache.add(10, obj10);154 expect(cache.getValues()).toEqual([obj6, obj7, obj8, obj9, obj10]);155 expect(cache.getKeys()).toEqual([6, 7, 8, 9, 10]);156 });157 });...

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cache-plugin-coverage.js

Source:cache-plugin-coverage.js Github

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1/*2YUI 3.7.3 (build 5687)3Copyright 2012 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7if (typeof _yuitest_coverage == "undefined"){8 _yuitest_coverage = {};9 _yuitest_coverline = function(src, line){10 var coverage = _yuitest_coverage[src];11 if (!coverage.lines[line]){12 coverage.calledLines++;13 }14 coverage.lines[line]++;15 };16 _yuitest_coverfunc = function(src, name, line){17 var coverage = _yuitest_coverage[src],18 funcId = name + ":" + line;19 if (!coverage.functions[funcId]){20 coverage.calledFunctions++;21 }22 coverage.functions[funcId]++;23 };24}25_yuitest_coverage["build/cache-plugin/cache-plugin.js"] = {26 lines: {},27 functions: {},28 coveredLines: 0,29 calledLines: 0,30 coveredFunctions: 0,31 calledFunctions: 0,32 path: "build/cache-plugin/cache-plugin.js",33 code: []34};35_yuitest_coverage["build/cache-plugin/cache-plugin.js"].code=["YUI.add('cache-plugin', function (Y, NAME) {","","/**"," * Provides support to use Cache as a Plugin to a Base-based class."," *"," * @module cache"," * @submodule cache-plugin"," */","","/**"," * Plugin.Cache adds pluginizability to Cache."," * @class Plugin.Cache"," * @extends Cache"," * @uses Plugin.Base"," */","function CachePlugin(config) {"," var cache = config && config.cache ? config.cache : Y.Cache,"," tmpclass = Y.Base.create(\"dataSourceCache\", cache, [Y.Plugin.Base]),"," tmpinstance = new tmpclass(config);"," tmpclass.NS = \"tmpClass\";"," return tmpinstance;","}","","Y.mix(CachePlugin, {"," /**"," * The namespace for the plugin. This will be the property on the host which"," * references the plugin instance."," *"," * @property NS"," * @type String"," * @static"," * @final"," * @value \"cache\""," */"," NS: \"cache\",",""," /**"," * Class name."," *"," * @property NAME"," * @type String"," * @static"," * @final"," * @value \"dataSourceCache\""," */"," NAME: \"cachePlugin\"","});","","","Y.namespace(\"Plugin\").Cache = CachePlugin;","","","}, '3.7.3', {\"requires\": [\"plugin\", \"cache-base\"]});"];36_yuitest_coverage["build/cache-plugin/cache-plugin.js"].lines = {"1":0,"16":0,"17":0,"20":0,"21":0,"24":0,"50":0};37_yuitest_coverage["build/cache-plugin/cache-plugin.js"].functions = {"CachePlugin:16":0,"(anonymous 1):1":0};38_yuitest_coverage["build/cache-plugin/cache-plugin.js"].coveredLines = 7;39_yuitest_coverage["build/cache-plugin/cache-plugin.js"].coveredFunctions = 2;40_yuitest_coverline("build/cache-plugin/cache-plugin.js", 1);41YUI.add('cache-plugin', function (Y, NAME) {42/**43 * Provides support to use Cache as a Plugin to a Base-based class.44 *45 * @module cache46 * @submodule cache-plugin47 */48/**49 * Plugin.Cache adds pluginizability to Cache.50 * @class Plugin.Cache51 * @extends Cache52 * @uses Plugin.Base53 */54_yuitest_coverfunc("build/cache-plugin/cache-plugin.js", "(anonymous 1)", 1);55_yuitest_coverline("build/cache-plugin/cache-plugin.js", 16);56function CachePlugin(config) {57 _yuitest_coverfunc("build/cache-plugin/cache-plugin.js", "CachePlugin", 16);58_yuitest_coverline("build/cache-plugin/cache-plugin.js", 17);59var cache = config && config.cache ? config.cache : Y.Cache,60 tmpclass = Y.Base.create("dataSourceCache", cache, [Y.Plugin.Base]),61 tmpinstance = new tmpclass(config);62 _yuitest_coverline("build/cache-plugin/cache-plugin.js", 20);63tmpclass.NS = "tmpClass";64 _yuitest_coverline("build/cache-plugin/cache-plugin.js", 21);65return tmpinstance;66}67_yuitest_coverline("build/cache-plugin/cache-plugin.js", 24);68Y.mix(CachePlugin, {69 /**70 * The namespace for the plugin. This will be the property on the host which71 * references the plugin instance.72 *73 * @property NS74 * @type String75 * @static76 * @final77 * @value "cache"78 */79 NS: "cache",80 /**81 * Class name.82 *83 * @property NAME84 * @type String85 * @static86 * @final87 * @value "dataSourceCache"88 */89 NAME: "cachePlugin"90});91_yuitest_coverline("build/cache-plugin/cache-plugin.js", 50);92Y.namespace("Plugin").Cache = CachePlugin;...

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Using AI Code Generation

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1var maxProfit = function(prices) {2 let minPrice = prices[0];3 let maxProfit = 0;4 for(let i = 0; i < prices.length; i++){5 if(prices[i] < minPrice){6 minPrice = prices[i];7 }else if(prices[i] - minPrice > maxProfit){8 maxProfit = prices[i] - minPrice;9 }10 }11 return maxProfit;12};

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Using AI Code Generation

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1var BestMatch = require('best-match');2var bestMatch = new BestMatch();3var cache = require('best-match').cache;4var result = cache(['a','b','c'], 'a');5console.log(result);6var result = cache(['a','b','c'], 'a');7console.log(result);8var result = cache(['a','b','c'], 'a');9console.log(result);10var result = cache(['a','b','c'], 'd');11console.log(result);12var result = cache(['a','b','c'], 'd');13console.log(result);14var result = cache(['a','b','c'], 'd');15console.log(result);16var result = cache(['a','b','c'], 'a');17console.log(result);18var result = cache(['a','b','c'], 'a');19console.log(result);20var result = cache(['a','b','c'], 'a');21console.log(result);22var result = cache(['a','b','c'], 'a');23console.log(result);24var result = cache(['a','b','c'], 'a');25console.log(result);26var result = cache(['a','b','c'], 'd');27console.log(result);28var result = cache(['a','b','c'], 'd');29console.log(result);30var result = cache(['a','b','c'], 'd');31console.log(result);32var result = cache(['a','b','c'], 'd');33console.log(result);34var result = cache(['a','b','c'], 'd');35console.log(result);36var result = cache(['a','b','c'], 'a');37console.log(result);38var result = cache(['a','b','c'], 'a');39console.log(result);40var result = cache(['a','b','c'], 'a');41console.log(result);42var result = cache(['a','b','c'], 'a');

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Using AI Code Generation

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1var cache = require('memory-cache');2var bestbuy = require('bestbuy')('c0b7d9b9f9c7b2f8b2c7f3e1c3d7e3d8');3var now = new Date().getTime();4var cache = new cache.Cache();5var data = cache.get('products');6if (data) {7 console.log('Data from cache');8 return data;9} else {10 console.log('Data from API');11 bestbuy.products('(search=ipod)', {show: 'sku,name,salePrice', pageSize: 5, page: 1})12 .then(function(data){13 cache.put('products', data, duration);14 return data;15 });16}

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