How to use fastSensorFrequency method in wpt

Best JavaScript code snippet using wpt

generic-sensor-tests.js

Source:generic-sensor-tests.js Github

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1'use strict';2// Run a set of tests for a given |sensorName|.3// |readingData| is an object with 3 keys, all of which are arrays of arrays:4// 1. "readings". Each value corresponds to one raw reading that will be5// processed by a sensor.6// 2. "expectedReadings". Each value corresponds to the processed value a7// sensor will make available to users (i.e. a capped or rounded value).8// Its length must match |readings|'.9// 3. "expectedRemappedReadings" (optional). Similar to |expectedReadings|, but10// used only by spatial sensors, whose reference frame can change the values11// returned by a sensor.12// Its length should match |readings|'.13// |verificationFunction| is called to verify that a given reading matches a14// value in |expectedReadings|.15// |featurePolicies| represents |sensorName|'s associated sensor feature name.16function runGenericSensorTests(sensorName,17 readingData,18 verificationFunction,19 featurePolicies) {20 const sensorType = self[sensorName];21 function validateReadingFormat(data) {22 return Array.isArray(data) && data.every(element => Array.isArray(element));23 }24 const { readings, expectedReadings, expectedRemappedReadings } = readingData;25 if (!validateReadingFormat(readings)) {26 throw new TypeError('readingData.readings must be an array of arrays.');27 }28 if (!validateReadingFormat(expectedReadings)) {29 throw new TypeError('readingData.expectedReadings must be an array of ' +30 'arrays.');31 }32 if (readings.length != expectedReadings.length) {33 throw new TypeError('readingData.readings and ' +34 'readingData.expectedReadings must have the same ' +35 'length.');36 }37 if (expectedRemappedReadings &&38 !validateReadingFormat(expectedRemappedReadings)) {39 throw new TypeError('readingData.expectedRemappedReadings must be an ' +40 'array of arrays.');41 }42 if (expectedRemappedReadings &&43 readings.length != expectedRemappedReadings.length) {44 throw new TypeError('readingData.readings and ' +45 'readingData.expectedRemappedReadings must have the same ' +46 'length.');47 }48 sensor_test(async (t, sensorProvider) => {49 assert_implements(sensorName in self, `${sensorName} is not supported.`);50 sensorProvider.setGetSensorShouldFail(sensorName, true);51 const sensor = new sensorType;52 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);53 sensor.start();54 const event = await sensorWatcher.wait_for("error");55 assert_false(sensor.activated);56 assert_equals(event.error.name, 'NotReadableError');57 }, `${sensorName}: Test that onerror is sent when sensor is not supported.`);58 sensor_test(async (t, sensorProvider) => {59 assert_implements(sensorName in self, `${sensorName} is not supported.`);60 sensorProvider.setPermissionsDenied(sensorName, true);61 const sensor = new sensorType;62 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);63 sensor.start();64 const event = await sensorWatcher.wait_for("error");65 assert_false(sensor.activated);66 assert_equals(event.error.name, 'NotAllowedError');67 }, `${sensorName}: Test that onerror is sent when permissions are not\68 granted.`);69 sensor_test(async (t, sensorProvider) => {70 assert_implements(sensorName in self, `${sensorName} is not supported.`);71 const sensor = new sensorType({frequency: 560});72 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);73 sensor.start();74 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);75 mockSensor.setStartShouldFail(true);76 const event = await sensorWatcher.wait_for("error");77 assert_false(sensor.activated);78 assert_equals(event.error.name, 'NotReadableError');79 }, `${sensorName}: Test that onerror is send when start() call has failed.`);80 sensor_test(async (t, sensorProvider) => {81 assert_implements(sensorName in self, `${sensorName} is not supported.`);82 const sensor = new sensorType({frequency: 560});83 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);84 sensor.start();85 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);86 await sensorWatcher.wait_for("activate");87 assert_less_than_equal(mockSensor.getSamplingFrequency(), 60);88 sensor.stop();89 assert_false(sensor.activated);90 }, `${sensorName}: Test that frequency is capped to allowed maximum.`);91 sensor_test(async (t, sensorProvider) => {92 assert_implements(sensorName in self, `${sensorName} is not supported.`);93 const maxSupportedFrequency = 5;94 sensorProvider.setMaximumSupportedFrequency(maxSupportedFrequency);95 const sensor = new sensorType({frequency: 50});96 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);97 sensor.start();98 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);99 await sensorWatcher.wait_for("activate");100 assert_equals(mockSensor.getSamplingFrequency(), maxSupportedFrequency);101 sensor.stop();102 assert_false(sensor.activated);103 }, `${sensorName}: Test that frequency is capped to the maximum supported\104 frequency.`);105 sensor_test(async (t, sensorProvider) => {106 assert_implements(sensorName in self, `${sensorName} is not supported.`);107 const minSupportedFrequency = 2;108 sensorProvider.setMinimumSupportedFrequency(minSupportedFrequency);109 const sensor = new sensorType({frequency: -1});110 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);111 sensor.start();112 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);113 await sensorWatcher.wait_for("activate");114 assert_equals(mockSensor.getSamplingFrequency(), minSupportedFrequency);115 sensor.stop();116 assert_false(sensor.activated);117 }, `${sensorName}: Test that frequency is limited to the minimum supported\118 frequency.`);119 promise_test(async t => {120 assert_implements(sensorName in self, `${sensorName} is not supported.`);121 const iframe = document.createElement('iframe');122 iframe.allow = featurePolicies.join(' \'none\'; ') + ' \'none\';';123 iframe.srcdoc = '<script>' +124 ' window.onmessage = message => {' +125 ' if (message.data === "LOADED") {' +126 ' try {' +127 ' new ' + sensorName + '();' +128 ' parent.postMessage("FAIL", "*");' +129 ' } catch (e) {' +130 ' parent.postMessage("PASS", "*");' +131 ' }' +132 ' }' +133 ' };' +134 '<\/script>';135 const iframeWatcher = new EventWatcher(t, iframe, "load");136 document.body.appendChild(iframe);137 await iframeWatcher.wait_for("load");138 iframe.contentWindow.postMessage('LOADED', '*');139 const windowWatcher = new EventWatcher(t, window, "message");140 const message = await windowWatcher.wait_for("message");141 assert_equals(message.data, 'PASS');142 }, `${sensorName}: Test that sensor cannot be constructed within iframe\143 disallowed to use feature policy.`);144 promise_test(async t => {145 assert_implements(sensorName in self, `${sensorName} is not supported.`);146 const iframe = document.createElement('iframe');147 iframe.allow = featurePolicies.join(';') + ';';148 iframe.srcdoc = '<script>' +149 ' window.onmessage = message => {' +150 ' if (message.data === "LOADED") {' +151 ' try {' +152 ' new ' + sensorName + '();' +153 ' parent.postMessage("PASS", "*");' +154 ' } catch (e) {' +155 ' parent.postMessage("FAIL", "*");' +156 ' }' +157 ' }' +158 ' };' +159 '<\/script>';160 const iframeWatcher = new EventWatcher(t, iframe, "load");161 document.body.appendChild(iframe);162 await iframeWatcher.wait_for("load");163 iframe.contentWindow.postMessage('LOADED', '*');164 const windowWatcher = new EventWatcher(t, window, "message");165 const message = await windowWatcher.wait_for("message");166 assert_equals(message.data, 'PASS');167 }, `${sensorName}: Test that sensor can be constructed within an iframe\168 allowed to use feature policy.`);169 sensor_test(async (t, sensorProvider) => {170 assert_implements(sensorName in self, `${sensorName} is not supported.`);171 const sensor = new sensorType();172 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);173 sensor.start();174 assert_false(sensor.hasReading);175 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);176 await mockSensor.setSensorReading(readings);177 await sensorWatcher.wait_for("reading");178 const expected = new RingBuffer(expectedReadings).next().value;179 assert_true(verificationFunction(expected, sensor));180 assert_true(sensor.hasReading);181 sensor.stop();182 assert_true(verificationFunction(expected, sensor, /*isNull=*/true));183 assert_false(sensor.hasReading);184 }, `${sensorName}: Test that 'onreading' is called and sensor reading is\185 valid.`);186 sensor_test(async (t, sensorProvider) => {187 assert_implements(sensorName in self, `${sensorName} is not supported.`);188 const sensor1 = new sensorType();189 const sensorWatcher1 = new EventWatcher(t, sensor1, ["reading", "error"]);190 sensor1.start();191 const sensor2 = new sensorType();192 const sensorWatcher2 = new EventWatcher(t, sensor2, ["reading", "error"]);193 sensor2.start();194 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);195 await mockSensor.setSensorReading(readings);196 await Promise.all([sensorWatcher1.wait_for("reading"),197 sensorWatcher2.wait_for("reading")]);198 const expected = new RingBuffer(expectedReadings).next().value;199 // Reading values are correct for both sensors.200 assert_true(verificationFunction(expected, sensor1));201 assert_true(verificationFunction(expected, sensor2));202 // After first sensor stops its reading values are null,203 // reading values for the second sensor sensor remain.204 sensor1.stop();205 assert_true(verificationFunction(expected, sensor1, /*isNull=*/true));206 assert_true(verificationFunction(expected, sensor2));207 sensor2.stop();208 assert_true(verificationFunction(expected, sensor2, /*isNull=*/true));209 }, `${sensorName}: sensor reading is correct.`);210 sensor_test(async (t, sensorProvider) => {211 assert_implements(sensorName in self, `${sensorName} is not supported.`);212 const sensor = new sensorType();213 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);214 sensor.start();215 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);216 await mockSensor.setSensorReading(readings);217 await sensorWatcher.wait_for("reading");218 const cachedTimeStamp1 = sensor.timestamp;219 await sensorWatcher.wait_for("reading");220 const cachedTimeStamp2 = sensor.timestamp;221 assert_greater_than(cachedTimeStamp2, cachedTimeStamp1);222 sensor.stop();223 }, `${sensorName}: sensor timestamp is updated when time passes.`);224 sensor_test(async t => {225 assert_implements(sensorName in self, `${sensorName} is not supported.`);226 const sensor = new sensorType();227 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);228 assert_false(sensor.activated);229 sensor.start();230 assert_false(sensor.activated);231 await sensorWatcher.wait_for("activate");232 assert_true(sensor.activated);233 sensor.stop();234 assert_false(sensor.activated);235 }, `${sensorName}: Test that sensor can be successfully created and its\236 states are correct.`);237 sensor_test(async t => {238 assert_implements(sensorName in self, `${sensorName} is not supported.`);239 const sensor = new sensorType();240 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);241 sensor.start();242 sensor.start();243 await sensorWatcher.wait_for("activate");244 assert_true(sensor.activated);245 sensor.stop();246 }, `${sensorName}: no exception is thrown when calling start() on already\247 started sensor.`);248 sensor_test(async t => {249 assert_implements(sensorName in self, `${sensorName} is not supported.`);250 const sensor = new sensorType();251 const sensorWatcher = new EventWatcher(t, sensor, ["activate", "error"]);252 sensor.start();253 await sensorWatcher.wait_for("activate");254 sensor.stop();255 sensor.stop();256 assert_false(sensor.activated);257 }, `${sensorName}: no exception is thrown when calling stop() on already\258 stopped sensor.`);259 sensor_test(async (t, sensorProvider) => {260 assert_implements(sensorName in self, `${sensorName} is not supported.`);261 const sensor = new sensorType();262 const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);263 sensor.start();264 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);265 await mockSensor.setSensorReading(readings);266 const expectedBuffer = new RingBuffer(expectedReadings);267 await sensorWatcher.wait_for("reading");268 const expected1 = expectedBuffer.next().value;269 assert_true(sensor.hasReading);270 assert_true(verificationFunction(expected1, sensor));271 const timestamp = sensor.timestamp;272 sensor.stop();273 assert_false(sensor.hasReading);274 sensor.start();275 await sensorWatcher.wait_for("reading");276 assert_true(sensor.hasReading);277 // |readingData| may have a single reading/expectation value, and this278 // is the second reading we are getting. For that case, make sure we279 // also wrap around as if we had the same RingBuffer used in280 // generic_sensor_mocks.js.281 const expected2 = expectedBuffer.next().value;282 assert_true(verificationFunction(expected2, sensor));283 // Make sure that 'timestamp' is already initialized.284 assert_greater_than(timestamp, 0);285 // Check that the reading is updated.286 assert_greater_than(sensor.timestamp, timestamp);287 sensor.stop();288 }, `${sensorName}: Test that fresh reading is fetched on start().`);289// TBD file a WPT issue: visibilityChangeWatcher times out.290// sensor_test(async (t, sensorProvider) => {291// assert_implements(sensorName in self, `${sensorName} is not supported.`);292// const sensor = new sensorType();293// const sensorWatcher = new EventWatcher(t, sensor, ["reading", "error"]);294// const visibilityChangeWatcher = new EventWatcher(t, document,295// "visibilitychange");296// sensor.start();297// const mockSensor = await sensorProvider.getCreatedSensor(sensorName);298// await mockSensor.setSensorReading(readings);299// await sensorWatcher.wait_for("reading");300// const expected = new RingBuffer(expectedReadings).next().value;301// assert_true(verificationFunction(expected, sensor));302// const cachedTimestamp1 = sensor.timestamp;303// const win = window.open('', '_blank');304// await visibilityChangeWatcher.wait_for("visibilitychange");305// const cachedTimestamp2 = sensor.timestamp;306// win.close();307// sensor.stop();308// assert_equals(cachedTimestamp1, cachedTimestamp2);309// }, `${sensorName}: sensor readings can not be fired on the background tab.`);310 sensor_test(async (t, sensorProvider) => {311 assert_implements(sensorName in self, `${sensorName} is not supported.`);312 const fastSensor = new sensorType({ frequency: 60 });313 t.add_cleanup(() => { fastSensor.stop(); });314 let eventWatcher = new EventWatcher(t, fastSensor, "activate");315 fastSensor.start();316 // Wait for |fastSensor| to be activated so that the call to317 // getSamplingFrequency() below works.318 await eventWatcher.wait_for("activate");319 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);320 await mockSensor.setSensorReading(readings);321 // We need |fastSensorFrequency| because 60Hz might be higher than a sensor322 // type's maximum allowed frequency.323 const fastSensorFrequency = mockSensor.getSamplingFrequency();324 const slowSensorFrequency = fastSensorFrequency * 0.25;325 const slowSensor = new sensorType({ frequency: slowSensorFrequency });326 t.add_cleanup(() => { slowSensor.stop(); });327 eventWatcher = new EventWatcher(t, slowSensor, "activate");328 slowSensor.start();329 // Wait for |slowSensor| to be activated before we check if the mock330 // platform sensor's sampling frequency has changed.331 await eventWatcher.wait_for("activate");332 assert_equals(mockSensor.getSamplingFrequency(), fastSensorFrequency);333 // Now stop |fastSensor| and verify that the sampling frequency has dropped334 // to the one |slowSensor| had requested.335 fastSensor.stop();336 return t.step_wait(() => {337 return mockSensor.getSamplingFrequency() === slowSensorFrequency;338 }, "Sampling frequency has dropped to slowSensor's requested frequency");339 }, `${sensorName}: frequency hint works.`);340// Re-enable after https://github.com/w3c/sensors/issues/361 is fixed.341// test(() => {342// assert_throws_dom("NotSupportedError",343// () => { new sensorType({invalid: 1}) });344// assert_throws_dom("NotSupportedError",345// () => { new sensorType({frequency: 60, invalid: 1}) });346// if (!expectedRemappedReadings) {347// assert_throws_dom("NotSupportedError",348// () => { new sensorType({referenceFrame: "screen"}) });349// }350// }, `${sensorName}: throw 'NotSupportedError' for an unsupported sensor\351// option.`);352 test(() => {353 assert_implements(sensorName in self, `${sensorName} is not supported.`);354 const invalidFreqs = [355 "invalid",356 NaN,357 Infinity,358 -Infinity,359 {}360 ];361 invalidFreqs.map(freq => {362 assert_throws_js(TypeError,363 () => { new sensorType({frequency: freq}) },364 `when freq is ${freq}`);365 });366 }, `${sensorName}: throw 'TypeError' if frequency is invalid.`);367 if (!expectedRemappedReadings) {368 // The sensorType does not represent a spatial sensor.369 return;370 }371 sensor_test(async (t, sensorProvider) => {372 assert_implements(sensorName in self, `${sensorName} is not supported.`);373 const sensor1 = new sensorType({frequency: 60});374 const sensor2 = new sensorType({frequency: 60, referenceFrame: "screen"});375 const sensorWatcher1 = new EventWatcher(t, sensor1, ["reading", "error"]);376 const sensorWatcher2 = new EventWatcher(t, sensor1, ["reading", "error"]);377 sensor1.start();378 sensor2.start();379 const mockSensor = await sensorProvider.getCreatedSensor(sensorName);380 await mockSensor.setSensorReading(readings);381 await Promise.all([sensorWatcher1.wait_for("reading"),382 sensorWatcher2.wait_for("reading")]);383 const expected = new RingBuffer(expectedReadings).next().value;384 const expectedRemapped =385 new RingBuffer(expectedRemappedReadings).next().value;386 assert_true(verificationFunction(expected, sensor1));387 assert_true(verificationFunction(expectedRemapped, sensor2));388 sensor1.stop();389 assert_true(verificationFunction(expected, sensor1, /*isNull=*/true));390 assert_true(verificationFunction(expectedRemapped, sensor2));391 sensor2.stop();392 assert_true(verificationFunction(expectedRemapped, sensor2,393 /*isNull=*/true));394 }, `${sensorName}: sensor reading is correct when options.referenceFrame\395 is 'screen'.`);396 test(() => {397 assert_implements(sensorName in self, `${sensorName} is not supported.`);398 const invalidRefFrames = [399 "invalid",400 null,401 123,402 {},403 "",404 true405 ];406 invalidRefFrames.map(refFrame => {407 assert_throws_js(TypeError,408 () => { new sensorType({referenceFrame: refFrame}) },409 `when refFrame is ${refFrame}`);410 });411 }, `${sensorName}: throw 'TypeError' if referenceFrame is not one of\412 enumeration values.`);413}414function runGenericSensorInsecureContext(sensorName) {415 test(() => {416 assert_false(sensorName in window, `${sensorName} must not be exposed`);417 }, `${sensorName} is not exposed in an insecure context.`);...

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