How to use flush method in yandex-tank

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datasource.js

Source:datasource.js Github

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...80 it('should be able to retrieve data', function () {81 var ds = datasource.create(scope, scope.loadOptions);82 // load data83 $rootScope.$digest();84 $timeout.flush();85 $httpBackend.flush();86 $rootScope.$digest();87 expect(ds.data).toEqual(sampleData);88 });89 it('should cancel data request if scope is destroyed', function () {90 scope.loadOptions.autoLoad = false;91 var ds = datasource.create(scope, scope.loadOptions);92 // should not do anything until there is a request to cancel93 scope.$broadcast('$destroy');94 $rootScope.$digest();95 expect($httpBackend.flush).toThrow();96 ds.loadData();97 // load data98 $rootScope.$digest();99 $timeout.flush();100 scope.$broadcast('$destroy');101 $rootScope.$digest();102 expect($httpBackend.flush).toThrow();103 expect(ds.data).toEqual([]);104 scope.$broadcast('$destroy');105 $rootScope.$digest();106 });107 it('should be able to retrieve data asyncronously', function () {108 scope.loadOptions = {109 request: { url: '/sampleAsyncData' }110 };111 var ds = datasource.create(scope, scope.loadOptions);112 // load data113 $rootScope.$digest();114 $timeout.flush();115 $httpBackend.flush();116 $rootScope.$digest();117 $timeout.flush();118 $httpBackend.flush();119 ds.pause();120 $rootScope.$digest();121 $timeout.flush();122 $httpBackend.flush();123 // first two records should be in the data at this point124 expect(ds.data).toEqual([sampleData[0], sampleData[1]]);125 // puase will have occured before the first records data is moved to the view126 expect(ds.viewData).toEqual([]);127 ds.resume();128 $rootScope.$digest();129 $timeout.flush();130 $httpBackend.flush();131 // data should be moved to view at this point132 expect(ds.viewData).toEqual([sampleData[0], sampleData[1]]);133 // data should be one step ahead of view this cycle (won't be moved to view till next timeout)134 expect(ds.data).toEqual([sampleData[0], sampleData[1], sampleData[2]]);135 $rootScope.$digest();136 $timeout.flush();137 expect(ds.viewData).toEqual([sampleData[0], sampleData[1], sampleData[2]]);138 $httpBackend.flush();139 $timeout.flush();140 expect(ds.data).toEqual(sampleData);141 expect(ds.viewData).toEqual(sampleData);142 });143 it('should be able to pause and resume async data loading', function () {144 scope.loadOptions = {145 request: { url: '/sampleAsyncData' }146 };147 var ds = datasource.create(scope, scope.loadOptions);148 // load data149 $rootScope.$digest();150 $timeout.flush();151 $httpBackend.flush();152 $rootScope.$digest();153 $timeout.flush();154 $httpBackend.flush();155 $rootScope.$digest();156 $timeout.flush();157 $httpBackend.flush();158 // first two rows should be loaded + 3rd row pending159 $rootScope.$digest();160 $timeout.flush();161 ds.pause();162 expect(ds.viewData).toEqual( [ sampleData[0], sampleData[1] ] );163 $httpBackend.flush();164 $rootScope.$digest();165 $timeout.flush();166 $httpBackend.flush();167 expect(ds.viewData).toEqual( [ sampleData[0], sampleData[1] ] );168 ds.resume();169 $rootScope.$digest();170 $timeout.flush();171 expect(ds.viewData).toEqual(sampleData);172 });173 it('should update the data even if no records are returned (and thus no notify events)', function () {174 var ds = datasource.create(scope, scope.loadOptions);175 // load data176 $rootScope.$digest();177 $timeout.flush();178 $httpBackend.flush();179 expect(ds.data).toEqual(sampleData);180 scope.loadOptions.request.url = '/noData';181 $rootScope.$digest();182 $timeout.flush();183 $httpBackend.flush();184 expect(ds.data).toEqual([]);185 });186 it('should set loading flag correctly', function () {187 var ds = datasource.create(scope, scope.loadOptions);188 expect(ds.bLoading).toBe(false);189 $rootScope.$digest();190 $timeout.flush();191 expect(ds.bLoading).toBe(true);192 // complete loading data193 $httpBackend.flush();194 $timeout.flush();195 expect(ds.bLoading).toBe(false);196 expect(ds.data).toEqual(sampleData);197 });198 it('should be able to filter the data', function(){199 scope.loadOptions.filter = scope.filter;200 var ds = datasource.create(scope, scope.loadOptions);201 scope.filter.values.name = 'bob';202 // load data203 $rootScope.$digest();204 $timeout.flush();205 $httpBackend.flush();206 // process filter207 $timeout.flush();208 expect(ds.viewData).toEqual([209 { name: 'bob smith', someId: 7, otherField: 'x'},210 { name: 'bob jones', someId: 9, otherField: 'a'}211 ]);212 });213 it('should only filter the view data when the datasource is paused', function(){214 scope.loadOptions.filter = scope.filter;215 var ds = datasource.create(scope, scope.loadOptions);216 scope.filter.values.name = 'bob';217 // load data218 $rootScope.$digest();219 $timeout.flush();220 $httpBackend.flush();221 // process filter222 $timeout.flush();223 expect(ds.viewData).toEqual([224 { name: 'bob smith', someId: 7, otherField: 'x'},225 { name: 'bob jones', someId: 9, otherField: 'a'}226 ]);227 ds.pause();228 scope.filter.values.name = 'i';229 $rootScope.$digest();230 $timeout.flush();231 expect(ds.viewData).toEqual([232 { name: 'bob smith', someId: 7, otherField: 'x'}233 ]);234 });235 it('should filter results if the filter data changes', function(){236 scope.loadOptions.filter = scope.filter;237 var ds = datasource.create(scope, scope.loadOptions);238 scope.filter.values.name = 'bob';239 // load data240 $rootScope.$digest();241 $timeout.flush();242 $httpBackend.flush();243 // process filter244 $timeout.flush();245 expect(ds.viewData).toEqual([246 { name: 'bob smith', someId: 7, otherField: 'x'},247 { name: 'bob jones', someId: 9, otherField: 'a'}248 ]);249 scope.filter.values.name = 'mary';250 $rootScope.$digest();251 $timeout.flush();252 expect(ds.viewData).toEqual([253 { name : 'elsbith maryface', someId : 5, otherField : 'b' }254 ]);255 });256 it('should filter results only if the optional filter valid expression evaluates to true', function(){257 scope.loadOptions.filter = scope.filter;258 scope.loadOptions.filterValid = 'isFilterValid';259 var ds = datasource.create(scope, scope.loadOptions);260 scope.filter.values.name = 'bob';261 scope.isFilterValid = true;262 $rootScope.$digest();263 $timeout.flush();264 $httpBackend.flush();265 $timeout.flush();266 // expect initial data to be loaded. this is the only load request...267 expect(ds.viewData).toEqual([268 { name: 'bob smith', someId: 7, otherField: 'x'},269 { name: 'bob jones', someId: 9, otherField: 'a'}270 ]);271 scope.isFilterValid = false;272 scope.filter.values.name = 'mary';273 $rootScope.$digest();274 expect(ds.viewData).toEqual([275 { name: 'bob smith', someId: 7, otherField: 'x'},276 { name: 'bob jones', someId: 9, otherField: 'a'}277 ]);278 scope.isFilterValid = true;279 $rootScope.$digest();280 $timeout.flush();281 expect(ds.viewData).toEqual([282 { name : 'elsbith maryface', someId : 5, otherField : 'b' }283 ]);284 });285 it('should request new data if filter options/params change', function(){286 scope.loadOptions.filter = scope.filter;287 scope.loadOptions.request.url = '/simple/2';288 scope.loadOptions.request.params = { foo: 'bar' };289 var ds = datasource.create(scope, scope.loadOptions);290 expect(ds.data).toEqual([]);291 // load data292 $rootScope.$digest();293 $timeout.flush();294 $httpBackend.flush();295 expect(ds.data).toEqual(data2);296 scope.loadOptions.request.url = '/simple';297 delete scope.loadOptions.request.params;298 $rootScope.$digest();299 $timeout.flush();300 $httpBackend.flush();301 expect(ds.data).toEqual(sampleData);302 });303 it('should not request new data if filter options/params change and update is set to manual request only', function(){304 scope.loadOptions.autoLoad = false;305 // this will trigger param change refresh306 scope.loadOptions.request.params = {id: 37};307 // this will trigger request option change request + filter okay request308 var ds = datasource.create(scope, scope.loadOptions);309 // load data310 $rootScope.$digest();311 // should not be any data loads triggered312 expect($timeout.flush).toThrow();313 expect($httpBackend.flush).toThrow();314 // should not have loaded any data yet...315 expect(ds.data).toEqual([]);316 // remove param as it isn't configured to return data317 delete scope.loadOptions.request.params;318 scope.$digest();319 // param change shouldn't of trigger a load320 expect($timeout.flush).toThrow();321 expect($httpBackend.flush).toThrow();322 // manually load data...323 ds.loadData();324 $rootScope.$digest();325 $timeout.flush();326 $httpBackend.flush();327 // should now have the data328 expect(ds.data).toEqual(sampleData);329 });330 it('should not request data until the optional requestValidExpr is truthy', function(){331 scope.bValid = false;332 scope.loadOptions.request.url = '/simple/2';333 scope.loadOptions.request.params = { foo: 'bar'};334 scope.loadOptions.requestValid = 'bValid';335 var ds = datasource.create(scope, scope.loadOptions);336 // load data337 $rootScope.$digest();338 expect($httpBackend.flush).toThrow();339 scope.loadOptions.request.params.foo = 'bar2';340 $rootScope.$digest();341 scope.loadOptions.request.url = '/simple';342 delete scope.loadOptions.request.params;343 $rootScope.$digest();344 $timeout.flush();345 expect($httpBackend.flush).toThrow();346 ds.loadData();347 $timeout.flush();348 $rootScope.$digest();349 expect($httpBackend.flush).toThrow();350 scope.bValid = true;351 $rootScope.$digest();352 $timeout.flush();353 $httpBackend.flush();354 expect(ds.data).toEqual(sampleData);355 });356 it('should cancel the first request if another request is made before it completes', function(){357 scope.loadOptions.request.url = '/simple/2';358 scope.loadOptions.request.params = {359 foo: 'bar'360 };361 scope.ds = datasource.create(scope, scope.loadOptions);362 var updateCount = 0;363 var data = [];364 scope.$watchCollection('ds.data', function(newData){365 if (!angular.equals(newData,data)) {366 updateCount++;367 }368 });369 // load data370 $rootScope.$digest();371 $timeout.flush();372 scope.loadOptions.request.url = '/simple';373 delete scope.loadOptions.request.params;374 $rootScope.$digest();375 $timeout.flush();376 $httpBackend.flush();377 // check data is correct378 expect(scope.ds.data).toEqual(sampleData);379 // check two requests madce380 expect($http.calls.count()).toBe(2);381 // check data was only updated once382 expect(updateCount).toBe(1);383 // check nothing outstanding happens in afterEach()384 });385 it('should not start the second request if another identical request is made before it completes', function(){386 var updateCount = 0;387 var data = [];388 scope.$watchCollection('ds.data', function(newData){389 if (!angular.equals(newData,data)) {390 updateCount++;391 }392 });393 scope.ds = datasource.create(scope, scope.loadOptions);394 // load data395 $rootScope.$digest();396 $timeout.flush();397 scope.ds.loadData();398 $rootScope.$digest();399 $timeout.flush();400 $httpBackend.flush();401 // check data is correct402 expect(scope.ds.data).toEqual(sampleData);403 // check only one request was made404 expect($http.calls.count()).toBe(1);405 // check data was only updated once406 expect(updateCount).toBe(1);407 // check nothing outstanding happens in afterEach()408 });409 it('should be able to paginate the data', function(){410 scope.loadOptions.pagination = {411 perPage: 2412 };413 var ds = datasource.create(scope, scope.loadOptions);414 // load data415 $rootScope.$digest();416 $timeout.flush();417 $httpBackend.flush();418 $timeout.flush();419 expect(ds.data).toEqual(sampleData);420 // digest here to make sure filter/watcher is setup before data loaded421 ds.setPage(2);422 $rootScope.$digest();423 expect(ds.pageData).toEqual([424 { name: 'bob jones', someId: 9, otherField: 'a'},425 { name: 'elsbith maryface', someId: 5, otherField: 'b'}426 ]);427 expect(ds.pages).toBe(2);428 expect(ds.currentPage).toBe(2);429 // change the page430 ds.setPage(1);431 $rootScope.$digest();432 expect(ds.pageData).toEqual([433 { name: 'bob smith', someId: 7, otherField: 'x'},434 { name: 'dave ham', someId: 8, otherField: 'y'}435 ]);436 });437 it('should keep the current page within the bounds', function(){438 scope.loadOptions.pagination = {439 perPage: 2440 };441 var ds = datasource.create(scope, scope.loadOptions);442 // load data443 $rootScope.$digest();444 // should set current page to 0 initially as no data will be loaded445 expect(ds.currentPage).toBe(0);446 $timeout.flush(); // get data timeout447 $httpBackend.flush();448 $timeout.flush(); // apply filter timeout449 expect(ds.viewData).toEqual(sampleData);450 // set current page too high451 ds.setPage(4);452 $rootScope.$digest();453 expect(ds.currentPage).toBe(2);454 // set current page too low455 ds.setPage(-3);456 $rootScope.$digest();457 expect(ds.currentPage).toBe(1);458 });459 it('should sort the data if a sort function is provided', function(){460 var ds = datasource.create(scope, scope.loadOptions);461 ds.sortFunction = function(a) {462 return (a.name.toLowerCase());463 };464 // load data465 $rootScope.$digest();466 $timeout.flush();467 $httpBackend.flush();468 expect(ds.data).toEqual([469 { name: 'bob jones', someId: 9, otherField: 'a'},470 { name: 'bob smith', someId: 7, otherField: 'x'},471 { name: 'dave ham', someId: 8, otherField: 'y'},472 { name: 'elsbith maryface', someId: 5, otherField: 'b'}473 ]);474 });475 it('should reverse the order of the data if datasource.sortOrder is DESC', function(){476 var ds = datasource.create(scope, scope.loadOptions);477 ds.sortFunction = function(a) {478 return (a.name.toLowerCase());479 };480 // load data481 $rootScope.$digest();482 $timeout.flush();483 $httpBackend.flush();484 expect(ds.data).toEqual([485 { name: 'bob jones', someId: 9, otherField: 'a'},486 { name: 'bob smith', someId: 7, otherField: 'x'},487 { name: 'dave ham', someId: 8, otherField: 'y'},488 { name: 'elsbith maryface', someId: 5, otherField: 'b'}489 ]);490 ds.sortOrder = 'DESC';491 // load data492 $rootScope.$digest();493 expect(ds.data).toEqual([494 { name: 'elsbith maryface', someId: 5, otherField: 'b'},495 { name: 'dave ham', someId: 8, otherField: 'y'},496 { name: 'bob smith', someId: 7, otherField: 'x'},497 { name: 'bob jones', someId: 9, otherField: 'a'}498 ]);499 });500 it('should resort the data if the sort function changes', function(){501 var ds = datasource.create(scope, scope.loadOptions);502 ds.sortFunction = function(a) {503 return (a.name.toLowerCase());504 };505 ds.loadData();506 // load data507 $rootScope.$digest();508 $timeout.flush();509 $httpBackend.flush();510 expect(ds.data).toEqual([511 { name: 'bob jones', someId: 9, otherField: 'a'},512 { name: 'bob smith', someId: 7, otherField: 'x'},513 { name: 'dave ham', someId: 8, otherField: 'y'},514 { name: 'elsbith maryface', someId: 5, otherField: 'b'}515 ]);516 ds.sortFunction = function(a) {517 return (a.someId);518 };519 $rootScope.$digest();520 $timeout.flush();521 // this should not have caused a new request to the backend522 expect($httpBackend.flush).toThrow();523 expect(ds.data).toEqual([524 { name: 'elsbith maryface', someId: 5, otherField: 'b'},525 { name: 'bob smith', someId: 7, otherField: 'x'},526 { name: 'dave ham', someId: 8, otherField: 'y'},527 { name: 'bob jones', someId: 9, otherField: 'a'}528 ]);529 });530 // sampleData = [531 // { name: 'bob smith', someId: 7, otherField: 'x'},532 // { name: 'dave ham', someId: 8, otherField: 'y'},533 // { name: 'bob jones', someId: 9, otherField: 'a'},534 // { name: 'elsbith maryface', someId: 5, otherField: 'b'}535 // ];536 it('should be able to sort the data during async data loading', function () {537 scope.loadOptions = {538 request: { url: '/sampleAsyncData' }539 };540 var ds = datasource.create(scope, scope.loadOptions);541 ds.sortFunction = function(a) {542 return (a.name.toLowerCase());543 };544 // load data545 $rootScope.$digest();546 $timeout.flush();547 $httpBackend.flush();548 $rootScope.$digest();549 $timeout.flush();550 $httpBackend.flush();551 ds.sortOrder = 'DESC';552 $rootScope.$digest();553 $timeout.flush();554 $httpBackend.flush();555 // first two rows should be loaded + 3rd row pending556 $rootScope.$digest();557 $timeout.flush();558 ds.pause();559 expect(ds.viewData).toEqual( [ sampleData[1], sampleData[0] ] );560 ds.sortFunction = function(a) {561 return (a.someId);562 };563 $rootScope.$digest();564 expect(ds.viewData).toEqual( [ sampleData[1], sampleData[0] ] );565 ds.sortOrder = 'ASC';566 ds.sortFunction = function(a) {567 return (a.name.toLowerCase());568 };569 expect(ds.viewData).toEqual( [ sampleData[1], sampleData[0] ] );570 $httpBackend.flush();571 $rootScope.$digest();572 ds.resume();573 $timeout.flush();574 $httpBackend.flush();575 expect(ds.viewData).toEqual( [ sampleData[2], sampleData[0], sampleData[1] ] );576 $rootScope.$digest();577 $timeout.flush();578 expect(ds.viewData).toEqual( [ sampleData[2], sampleData[0], sampleData[1], sampleData[3] ] );579 });580 it('should be able to execute a function after data is loaded', function () {581 var complete = false;582 scope.loadOptions.onLoadComplete = function(){583 complete = true;584 };585 var ds = datasource.create(scope, scope.loadOptions);586 // load data587 $rootScope.$digest();588 $timeout.flush();589 $httpBackend.flush();590 // data isn't filtered/paged until next digest cycle, then function should be executed591 $timeout.flush();592 expect(ds.data).toEqual(sampleData);593 expect(complete).toEqual(true);594 });595 describe('trigger row reload function', function(){596 var ds;597 beforeEach(function(){598 scope.loadOptions.requestRowFunction = jasmine.createSpy('request row function');599 ds = datasource.create(scope, scope.loadOptions);600 // make the names sorted by alpha601 ds.sortFunction = function(a) {602 return (a.name.toLowerCase());603 };604 // load data605 $rootScope.$digest();606 $timeout.flush();607 $httpBackend.flush();608 $timeout.flush();609 });610 it('should be able to reload a single row and reapply sort/pagination', function () {611 scope.loadOptions.requestRowFunction.and.callFake(function(row){612 row.name = 'a ' + row.name + ' the first of his name';613 return row;614 });615 var match = angular.copy(sampleData[1]);616 ds.triggerRowReload(match);617 // digest + flush timeout to allow new sorting618 $rootScope.$digest();619 $timeout.flush();620 expect(scope.loadOptions.requestRowFunction).toHaveBeenCalledWith(match);621 expect(ds.viewData[0].name).toBe('a ' + sampleData[1].name + ' the first of his name');622 expect(ds.viewData[2].name).toBe('bob smith');623 });624 it('should be able to add a new row to the dataset if reload is triggered on an unknown row', function () {625 scope.loadOptions.requestRowFunction.and.callFake(_.identity);626 var match = { name: 'aardvarky albertson', someId: 11, otherField: 'f'};627 ds.triggerRowReload(match);628 // digest + flush timeout to allow new sorting629 $rootScope.$digest();630 $timeout.flush();631 expect(ds.viewData[0]).toBe(match);632 });633 it('should not add a new row to the dataset if reload is triggered on an unknown row but returns no data', function () {634 expect(ds.data.length).toBe(4);635 scope.loadOptions.requestRowFunction.and.callFake(angular.noop);636 var match = { name: 'aardvarky albertson', someId: 11, otherField: 'f'};637 ds.triggerRowReload(match);638 // digest + flush timeout to allow new sorting639 $rootScope.$digest();640 $timeout.flush();641 // should not be any new rowsz642 expect(ds.data.length).toBe(4);643 });644 it('should be able to reload a single row and reapply sort/pagination with new data provided to triggerReload', function () {645 var match = angular.copy(sampleData[1]);646 ds.triggerRowReload(match, {name: 'a ' + sampleData[1].name + ' the first of his name'});647 // digest + flush timeout to allow new sorting648 $rootScope.$digest();649 $timeout.flush();650 expect(ds.viewData[0].name).toBe('a ' + sampleData[1].name + ' the first of his name');651 expect(ds.viewData[2].name).toBe('bob smith');652 });653 it('should delete row if the reloaded data is null/undefined', function () {654 scope.loadOptions.requestRowFunction.and.callFake(function(){655 return null;656 });657 var match = angular.copy(sampleData[1]);658 expect(ds.data.length).toBe(4);659 expect(_.findWhere(ds.data, match)).toEqual(sampleData[1]);660 ds.triggerRowReload(match);661 // digest + flush timeout to allow new sorting662 $rootScope.$digest();663 $timeout.flush();664 expect(ds.data.length).toBe(3);665 expect(_.findWhere(ds.data, match)).toBe(undefined);666 });667 it('should delete row if the reloaded data is null/undefined with data provided to triggerReload', function () {668 var match = angular.copy(sampleData[1]);669 expect(ds.data.length).toBe(4);670 expect(_.findWhere(ds.data, match)).toEqual(sampleData[1]);671 ds.triggerRowReload(match, undefined);672 // digest + flush timeout to allow new sorting673 $rootScope.$digest();674 $timeout.flush();675 expect(ds.data.length).toBe(3);676 expect(_.findWhere(ds.data, match)).toBe(undefined);677 });678});...

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parse-chunked.js

Source:parse-chunked.js Github

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...126 }127 }128 return fragment;129 }130 flush(chunk, start, end) {131 let fragment = chunk.slice(start, end);132 // Save position correction an error in JSON.parse() if any133 this.jsonParseOffset = this.chunkOffset + start;134 // Prepend pending chunk if any135 if (this.pendingChunk !== null) {136 fragment = this.pendingChunk + fragment;137 this.jsonParseOffset -= this.pendingChunk.length;138 this.pendingChunk = null;139 }140 if (this.flushDepth === this.lastFlushDepth) {141 // Depth didn't changed, so it's a root value or entry/element set142 if (this.flushDepth > 0) {143 this.parseAndAppend(this.prepareAddition(fragment), true);144 } else {145 // That's an entire value on a top level146 this.value = JSON.parse(fragment);147 this.valueStack = {148 value: this.value,149 prev: null150 };151 }152 } else if (this.flushDepth > this.lastFlushDepth) {153 // Add missed closing brackets/parentheses154 for (let i = this.flushDepth - 1; i >= this.lastFlushDepth; i--) {155 fragment += this.stack[i] === STACK_OBJECT ? '}' : ']';156 }157 if (this.lastFlushDepth === 0) {158 // That's a root value159 this.value = JSON.parse(fragment);160 this.valueStack = {161 value: this.value,162 prev: null163 };164 } else {165 this.parseAndAppend(this.prepareAddition(fragment), true);166 }167 // Move down to the depths to the last object/array, which is current now168 for (let i = this.lastFlushDepth || 1; i < this.flushDepth; i++) {169 let value = this.valueStack.value;170 if (this.stack[i - 1] === STACK_OBJECT) {171 // find last entry172 let key;173 // eslint-disable-next-line curly174 for (key in value);175 value = value[key];176 } else {177 // last element178 value = value[value.length - 1];179 }180 this.valueStack = {181 value,182 prev: this.valueStack183 };184 }185 } else /* this.flushDepth < this.lastFlushDepth */ {186 fragment = this.prepareAddition(fragment);187 // Add missed opening brackets/parentheses188 for (let i = this.lastFlushDepth - 1; i >= this.flushDepth; i--) {189 this.jsonParseOffset--;190 fragment = (this.stack[i] === STACK_OBJECT ? '{' : '[') + fragment;191 }192 this.parseAndAppend(fragment, false);193 for (let i = this.lastFlushDepth - 1; i >= this.flushDepth; i--) {194 this.valueStack = this.valueStack.prev;195 }196 }197 this.lastFlushDepth = this.flushDepth;198 }199 push(chunk) {200 if (typeof chunk !== 'string') {201 // Suppose chunk is Buffer or Uint8Array202 // Prepend uncompleted byte sequence if any203 if (this.pendingByteSeq !== null) {204 const origRawChunk = chunk;205 chunk = new Uint8Array(this.pendingByteSeq.length + origRawChunk.length);206 chunk.set(this.pendingByteSeq);207 chunk.set(origRawChunk, this.pendingByteSeq.length);208 this.pendingByteSeq = null;209 }210 // In case Buffer/Uint8Array, an input is encoded in UTF8211 // Seek for parts of uncompleted UTF8 symbol on the ending212 // This makes sense only if we expect more chunks and last char is not multi-bytes213 if (chunk[chunk.length - 1] > 127) {214 for (let seqLength = 0; seqLength < chunk.length; seqLength++) {215 const byte = chunk[chunk.length - 1 - seqLength];216 // 10xxxxxx - 2nd, 3rd or 4th byte217 // 110xxxxx – first byte of 2-byte sequence218 // 1110xxxx - first byte of 3-byte sequence219 // 11110xxx - first byte of 4-byte sequence220 if (byte >> 6 === 3) {221 seqLength++;222 // If the sequence is really incomplete, then preserve it223 // for the future chunk and cut off it from the current chunk224 if ((seqLength !== 4 && byte >> 3 === 0b11110) ||225 (seqLength !== 3 && byte >> 4 === 0b1110) ||226 (seqLength !== 2 && byte >> 5 === 0b110)) {227 this.pendingByteSeq = chunk.slice(chunk.length - seqLength);228 chunk = chunk.slice(0, -seqLength);229 }230 break;231 }232 }233 }234 // Convert chunk to a string, since single decode per chunk235 // is much effective than decode multiple small substrings236 chunk = decoder.decode(chunk);237 }238 const chunkLength = chunk.length;239 let lastFlushPoint = 0;240 let flushPoint = 0;241 // Main scan loop242 scan: for (let i = 0; i < chunkLength; i++) {243 if (this.stateString) {244 for (; i < chunkLength; i++) {245 if (this.stateStringEscape) {246 this.stateStringEscape = false;247 } else {248 switch (chunk.charCodeAt(i)) {249 case 0x22: /* " */250 this.stateString = false;251 continue scan;252 case 0x5C: /* \ */253 this.stateStringEscape = true;254 }255 }256 }257 break;258 }259 switch (chunk.charCodeAt(i)) {260 case 0x22: /* " */261 this.stateString = true;262 this.stateStringEscape = false;263 break;264 case 0x2C: /* , */265 flushPoint = i;266 break;267 case 0x7B: /* { */268 // Open an object269 flushPoint = i + 1;270 this.stack[this.flushDepth++] = STACK_OBJECT;271 break;272 case 0x5B: /* [ */273 // Open an array274 flushPoint = i + 1;275 this.stack[this.flushDepth++] = STACK_ARRAY;276 break;277 case 0x5D: /* ] */278 case 0x7D: /* } */279 // Close an object or array280 flushPoint = i + 1;281 this.flushDepth--;282 if (this.flushDepth < this.lastFlushDepth) {283 this.flush(chunk, lastFlushPoint, flushPoint);284 lastFlushPoint = flushPoint;285 }286 break;287 case 0x09: /* \t */288 case 0x0A: /* \n */289 case 0x0D: /* \r */290 case 0x20: /* space */291 // Move points forward when they points on current position and it's a whitespace292 if (lastFlushPoint === i) {293 lastFlushPoint++;294 }295 if (flushPoint === i) {296 flushPoint++;297 }298 break;299 }300 }301 if (flushPoint > lastFlushPoint) {302 this.flush(chunk, lastFlushPoint, flushPoint);303 }304 // Produce pendingChunk if something left305 if (flushPoint < chunkLength) {306 if (this.pendingChunk !== null) {307 // When there is already a pending chunk then no flush happened,308 // appending entire chunk to pending one309 this.pendingChunk += chunk;310 } else {311 // Create a pending chunk, it will start with non-whitespace since312 // flushPoint was moved forward away from whitespaces on scan313 this.pendingChunk = chunk.slice(flushPoint, chunkLength);314 }315 }316 this.chunkOffset += chunkLength;317 }318 finish() {319 if (this.pendingChunk !== null) {320 this.flush('', 0, 0);321 this.pendingChunk = null;322 }323 return this.value;324 }...

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collaboration.service_test.js

Source:collaboration.service_test.js Github

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...22 Bacon.interval(0, [{$id: 'id'}])23 )24 }25 function flushAll(){26 fb.ref.flush();27 try { 28 $timeout.flush() 29 }30 // Catch all digest errors! Throw all others!31 catch (e) {32 if(!/digest/ig.test(e.message) && !/deferred/ig.test(e.message)){33 throw e34 }35 }36 }37 beforeEach(function(){38 module('goodMood', function($provide){39 $provide.value('Auth', Auth)40 $provide.value('Iteration', Iteration)41 $provide.value('Thread', Thread)42 $provide.value('User', User)...

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index.js

Source:index.js Github

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...83 }84 end (chunk, encoding, cb) {85 if (chunk)86 this.write(chunk, encoding)87 this.flush(this[_finishFlushFlag])88 this[_ended] = true89 return super.end(null, null, cb)90 }91 get ended () {92 return this[_ended]93 }94 write (chunk, encoding, cb) {95 // process the chunk using the sync process96 // then super.write() all the outputted chunks97 if (typeof encoding === 'function')98 cb = encoding, encoding = 'utf8'99 if (typeof chunk === 'string')100 chunk = Buffer.from(chunk, encoding)101 if (this[_sawError])102 return103 assert(this[_handle], 'zlib binding closed')104 // _processChunk tries to .close() the native handle after it's done, so we105 // intercept that by temporarily making it a no-op.106 const nativeHandle = this[_handle]._handle107 const originalNativeClose = nativeHandle.close108 nativeHandle.close = () => {}109 const originalClose = this[_handle].close110 this[_handle].close = () => {}111 // It also calls `Buffer.concat()` at the end, which may be convenient112 // for some, but which we are not interested in as it slows us down.113 Buffer.concat = (args) => args114 let result115 try {116 const flushFlag = typeof chunk[_flushFlag] === 'number'117 ? chunk[_flushFlag] : this[_flushFlag]118 result = this[_handle]._processChunk(chunk, flushFlag)119 // if we don't throw, reset it back how it was120 Buffer.concat = OriginalBufferConcat121 } catch (err) {122 // or if we do, put Buffer.concat() back before we emit error123 // Error events call into user code, which may call Buffer.concat()124 Buffer.concat = OriginalBufferConcat125 this[_onError](new ZlibError(err))126 } finally {127 if (this[_handle]) {128 // Core zlib resets `_handle` to null after attempting to close the129 // native handle. Our no-op handler prevented actual closure, but we130 // need to restore the `._handle` property.131 this[_handle]._handle = nativeHandle132 nativeHandle.close = originalNativeClose133 this[_handle].close = originalClose134 // `_processChunk()` adds an 'error' listener. If we don't remove it135 // after each call, these handlers start piling up.136 this[_handle].removeAllListeners('error')137 }138 }139 let writeReturn140 if (result) {141 if (Array.isArray(result) && result.length > 0) {142 // The first buffer is always `handle._outBuffer`, which would be143 // re-used for later invocations; so, we always have to copy that one.144 writeReturn = super.write(Buffer.from(result[0]))145 for (let i = 1; i < result.length; i++) {146 writeReturn = super.write(result[i])147 }148 } else {149 writeReturn = super.write(Buffer.from(result))150 }151 }152 if (cb)153 cb()154 return writeReturn155 }156}157class Zlib extends ZlibBase {158 constructor (opts, mode) {159 opts = opts || {}160 opts.flush = opts.flush || constants.Z_NO_FLUSH161 opts.finishFlush = opts.finishFlush || constants.Z_FINISH162 super(opts, mode)163 this[_fullFlushFlag] = constants.Z_FULL_FLUSH164 this[_level] = opts.level165 this[_strategy] = opts.strategy166 }167 params (level, strategy) {168 if (this[_sawError])169 return170 if (!this[_handle])171 throw new Error('cannot switch params when binding is closed')172 // no way to test this without also not supporting params at all173 /* istanbul ignore if */174 if (!this[_handle].params)175 throw new Error('not supported in this implementation')176 if (this[_level] !== level || this[_strategy] !== strategy) {177 this.flush(constants.Z_SYNC_FLUSH)178 assert(this[_handle], 'zlib binding closed')179 // .params() calls .flush(), but the latter is always async in the180 // core zlib. We override .flush() temporarily to intercept that and181 // flush synchronously.182 const origFlush = this[_handle].flush183 this[_handle].flush = (flushFlag, cb) => {184 this.flush(flushFlag)185 cb()186 }187 try {188 this[_handle].params(level, strategy)189 } finally {190 this[_handle].flush = origFlush191 }192 /* istanbul ignore else */193 if (this[_handle]) {194 this[_level] = level195 this[_strategy] = strategy196 }197 }198 }...

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