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How to use fixtureParameterNames method in Playwright Internal

Best JavaScript code snippet using playwright-internal

fixtures.js

Source:fixtures.js

...132        if (options.scope === 'worker' && disallowWorkerFixtures) throw errorWithLocations(`Cannot use({ ${name} }) in a describe group, because it forces a new worker.\nMake it top-level in the test file or put in the configuration file.`, {133          location,134          name135        });136        const deps = fixtureParameterNames(fn, location);137        const registration = {138          id: '',139          name,140          location,141          scope: options.scope,142          fn,143          auto: options.auto,144          deps,145          super: previous146        };147        registrationId(registration);148        this.registrations.set(name, registration);149      }150    }151    this.digest = this.validate();152  }153  validate() {154    const markers = new Map();155    const stack = [];156    const visit = registration => {157      markers.set(registration, 'visiting');158      stack.push(registration);159      for (const name of registration.deps) {160        const dep = this.resolveDependency(registration, name);161        if (!dep) {162          if (name === registration.name) throw errorWithLocations(`Fixture "${registration.name}" references itself, but does not have a base implementation.`, registration);else throw errorWithLocations(`Fixture "${registration.name}" has unknown parameter "${name}".`, registration);163        }164        if (registration.scope === 'worker' && dep.scope === 'test') throw errorWithLocations(`Worker fixture "${registration.name}" cannot depend on a test fixture "${name}".`, registration, dep);165        if (!markers.has(dep)) {166          visit(dep);167        } else if (markers.get(dep) === 'visiting') {168          const index = stack.indexOf(dep);169          const regs = stack.slice(index, stack.length);170          const names = regs.map(r => `"${r.name}"`);171          throw errorWithLocations(`Fixtures ${names.join(' -> ')} -> "${dep.name}" form a dependency cycle.`, ...regs);172        }173      }174      markers.set(registration, 'visited');175      stack.pop();176    };177    const hash = crypto.createHash('sha1');178    const names = Array.from(this.registrations.keys()).sort();179    for (const name of names) {180      const registration = this.registrations.get(name);181      visit(registration);182      if (registration.scope === 'worker') hash.update(registration.id + ';');183    }184    return hash.digest('hex');185  }186  validateFunction(fn, prefix, location) {187    const visit = registration => {188      for (const name of registration.deps) visit(this.resolveDependency(registration, name));189    };190    for (const name of fixtureParameterNames(fn, location)) {191      const registration = this.registrations.get(name);192      if (!registration) throw errorWithLocations(`${prefix} has unknown parameter "${name}".`, {193        location,194        name: prefix,195        quoted: false196      });197      visit(registration);198    }199  }200  resolveDependency(registration, name) {201    if (name === registration.name) return registration.super;202    return this.registrations.get(name);203  }204}205exports.FixturePool = FixturePool;206class FixtureRunner {207  constructor() {208    this.testScopeClean = true;209    this.pool = void 0;210    this.instanceForId = new Map();211  }212  setPool(pool) {213    if (!this.testScopeClean) throw new Error('Did not teardown test scope');214    if (this.pool && pool.digest !== this.pool.digest) throw new Error('Digests do not match');215    this.pool = pool;216  }217  async teardownScope(scope) {218    let error; // Teardown fixtures in the reverse order.219    const fixtures = Array.from(this.instanceForId.values()).reverse();220    for (const fixture of fixtures) {221      if (fixture.registration.scope === scope) {222        try {223          await fixture.teardown();224        } catch (e) {225          if (error === undefined) error = e;226        }227      }228    }229    if (scope === 'test') this.testScopeClean = true;230    if (error !== undefined) throw error;231  }232  async resolveParametersAndRunHookOrTest(fn, workerInfo, testInfo, paramsStepCallback) {233    // Install all automatic fixtures.234    for (const registration of this.pool.registrations.values()) {235      const shouldSkip = !testInfo && registration.scope === 'test';236      if (registration.auto && !shouldSkip) await this.setupFixtureForRegistration(registration, workerInfo, testInfo);237    } // Install used fixtures.238    const names = fixtureParameterNames(fn, {239      file: '<unused>',240      line: 1,241      column: 1242    });243    const params = {};244    for (const name of names) {245      const registration = this.pool.registrations.get(name);246      const fixture = await this.setupFixtureForRegistration(registration, workerInfo, testInfo);247      params[name] = fixture.value;248    } // Report fixture hooks step as completed.249    paramsStepCallback === null || paramsStepCallback === void 0 ? void 0 : paramsStepCallback();250    return fn(params, testInfo || workerInfo);251  }252  async setupFixtureForRegistration(registration, workerInfo, testInfo) {253    if (registration.scope === 'test') this.testScopeClean = false;254    let fixture = this.instanceForId.get(registration.id);255    if (fixture) return fixture;256    fixture = new Fixture(this, registration);257    this.instanceForId.set(registration.id, fixture);258    await fixture.setup(workerInfo, testInfo);259    return fixture;260  }261  dependsOnWorkerFixturesOnly(fn, location) {262    const names = fixtureParameterNames(fn, location);263    for (const name of names) {264      const registration = this.pool.registrations.get(name);265      if (registration.scope !== 'worker') return false;266    }267    return true;268  }269}270exports.FixtureRunner = FixtureRunner;271const signatureSymbol = Symbol('signature');272function fixtureParameterNames(fn, location) {273  if (typeof fn !== 'function') return [];274  if (!fn[signatureSymbol]) fn[signatureSymbol] = innerFixtureParameterNames(fn, location);275  return fn[signatureSymbol];276}277function innerFixtureParameterNames(fn, location) {278  const text = fn.toString();279  const match = text.match(/(?:async)?(?:\s+function)?[^(]*\(([^)]*)/);280  if (!match) return [];281  const trimmedParams = match[1].trim();282  if (!trimmedParams) return [];283  const [firstParam] = splitByComma(trimmedParams);284  if (firstParam[0] !== '{' || firstParam[firstParam.length - 1] !== '}') throw errorWithLocations('First argument must use the object destructuring pattern: ' + firstParam, {285    location286  });...

index.js

Source:index.js

1// Main dmxus class2const EventEmitter = require('events');3const SerialPort = require('serialport');4const Driver = require('./drivers');5const Server = require('./server');6const profiles = require('./profiles');7class DMXUS extends EventEmitter {8  constructor(driverName, interfacePort = '', deviceCount = 96) {9    super();10    this.devices = [];11    this.driver = new (Driver(driverName))(interfacePort);12    this.driverName = driverName;13    this.groups = {};14    this.interfacePort = interfacePort;15    this.io = null;16    this.refreshRate = 25;17    this.server = null;18    this.timers = {};19    this.universe = Buffer.alloc(513, 0);20    this.initDevices(deviceCount);21  }22  // Initializes a webserver on the provided port (default 9090) with a reference to the dmxus instance23  initWebServer(port) {24    this.server = new Server(port, this);25    this.server.init();26  }27  // Initializes the device list with a default count of 96 devices28  initDevices(deviceCount) {29    for(let i = 0; i < deviceCount; i++) {30      this.devices[i] = {31        id: i + 1,32        deviceName: null,33        startAddress: null,34        profile: null,35        groups: [],36      }37    }38  }39  // Closes the port used by the current driver and re-initializes the interface40  reinitializeDriver(driverName, interfacePort) {41    this.driver.closePort();42    this.interfacePort = interfacePort;43    this.driverName = driverName;44    this.driver = new (Driver(driverName))(interfacePort);45  }46  // Accepts a deviceId, start address and a device profile object, and adds the device to the device list.  Returns the device object.47  addDevice(deviceId, startAddress, profile, deviceName = '', groups = []) {48    const newDevice = {49      deviceName,50      startAddress,51      profile,52      groups53    };54    const deviceIndex = this.devices.findIndex(device => device.id === deviceId);55    this.devices[deviceIndex] = {...this.devices[deviceIndex], ...newDevice};56    return this.devices[deviceIndex];57  }58  // Accepts a DMX address and updates with the provided value.59  updateAddressValue(address, value) {60    this.universe[parseInt(address)] = value;61    this.update();62  }63  // Updates a single device at the provided start address with the provided parameters.64  updateDevice(deviceId, parameters) {65    const device = this.getDeviceById(deviceId);66    if(device.profile) {67      device.profile.parameters.forEach((parameter, index) => {68        this.universe[parseInt(device.startAddress) + index] = parameters[parameter];69      });70    }71    this.update();72  }73  // Changes the start address of the specified deviceId74  changeDeviceStartAddress(deviceId, startAddress) {75    const deviceIndex = this.devices.findIndex(device => device.id === deviceId);76    this.devices[deviceIndex].startAddress = startAddress;77    return this.devices[deviceIndex];78  }79  // Changes the fixture profile of the specified deviceId80  changeDeviceFixtureProfile(deviceId, fixtureProfileType) {81    const deviceIndex = this.devices.findIndex(device => device.id === deviceId);82    const fixtureProfileIndex = Object.keys(profiles).find(profile => profiles[profile].type === fixtureProfileType);83    this.devices[deviceIndex].profile = profiles[fixtureProfileIndex];84    return this.devices[deviceIndex];85  }86  // Updates all devices with the provided parameters.87  updateAllDevices(parameters) {88    this.devices.forEach(device => {89      this.updateDevice(device.id, parameters);90    });91    this.update();92  }93  // Returns the device with the provided deviceId94  getDeviceById(deviceId) {95    const deviceIndex = this.devices.findIndex(device => device.id === deviceId);96    return this.devices[deviceIndex];97  }98  // Returns devices which are a part of the provided group name99  getDevicesByGroup(group) {100    return this.devices.filter(device => device.groups.includes(group));101  }102  // Updates all devices in the provided group name with the provided parameters.103  updateAllDevicesInGroup(groupName, parameters, fadeIn = 0) {104    const oldDeviceParameterValues = {};105    const devices = this.getDevicesByGroup(groupName);106    if(devices) {107      let updateCount = 0;108      const targetUpdateCount = Math.round(fadeIn/this.refreshRate) || 1;109      const intervalTime = fadeIn/targetUpdateCount;110      clearInterval(this.timers[groupName]);111      devices.forEach(device => {112        oldDeviceParameterValues[device.id] = this.getDeviceParameterValues(device.id);113      });114      this.timers[groupName] = setInterval(() => {115        devices.forEach(device => {116          const nextUpdate = {};117          Object.keys(parameters).forEach(parameter => {118            const oldParamValue = oldDeviceParameterValues[device.id][parameter];119            const targetParamValue = parameters[parameter];120            nextUpdate[parameter] = Math.round(oldParamValue + (targetParamValue - oldParamValue) * (updateCount/targetUpdateCount));121          });122          this.updateDevice(device.id, nextUpdate);123        });124        if(updateCount === targetUpdateCount) {125          clearInterval(this.timers[groupName]);126          return true;127        }128        else {129          updateCount+=1;130        }131      }, intervalTime);132    }133  }134  // Returns the parameter values of the specified device135  getDeviceParameterValues(deviceId) {136    const device = this.getDeviceById(deviceId)137    const fixtureParameterValues = {};138    if(device.profile) {139      const fixtureParameterNames = device.profile.parameters;140      let parameterNameIndex = 0;141      for (let address = 0; address < fixtureParameterNames.length; address++) {142        fixtureParameterValues[fixtureParameterNames[parameterNameIndex]] = this.universe[device.startAddress + address];143        parameterNameIndex++;144      }145    }146    return fixtureParameterValues;147  }148  // Returns a list of serial ports as reported by the system149  async listPorts() {150    return await SerialPort.list();151  }152  // Returns the device list153  getDevices() {154    return this.devices;155  }156  // Returns the driver currently used by dmxus157  getDriverName() {158    return this.driverName;159  }160  // Returns the interfacePort currently used by dmxus161  getInterfacePort() {162    return this.interfacePort;163  }164  // Calls the update method on the driver with the current state of the universe then emits and update event with the universe state.165  update() {166    this.driver.send(this.universe);167    this.emit('update', this.universe.toJSON());168  }169  // Returns the JSON value of the current state of the universe170  getUniverseState() {171    return this.universe.toJSON();172  }173  // Returns the device profile of the provided profile name174  static getDeviceProfile(profileName) {175    return profiles[profileName];176  }177  // Returns a random integer value from 0-255178  static getRandom8BitValue() {179    return Math.floor(Math.random() * 255);180  }181}...

Using AI Code Generation

1const { fixtureParameterNames } = require('@playwright/test');2const { test } = require('@playwright/test');3const { expect } = require('@playwright/test');4const { test as base } = require('@playwright/test');5test.describe('fixtureParameterNames', () => {6  const fixture = base.extend({7    foo: async ({}, use) => {8      await use('bar');9    },10    bar: async ({}, use) => {11      await use('baz');12    },13  });14  test('should return names of all fixtures', async ({}) => {15    expect(fixtureParameterNames(fixture)).toEqual(['foo', 'bar']);16  });17});

Using AI Code Generation

1const { fixtureParameterNames } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3const { fixtureParameterNames } = require('@playwright/test/lib/test');4const { test } = require('@playwright/test');5test.describe('Test', () => {6  test('Test', async ({ page }) => {7    const testParam = fixtureParameterNames(page);8  });9});10[MIT](LICENSE)

Using AI Code Generation

1const { fixtureParameterNames } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3test.describe('Test', () => {4  test('test', async ({ page }) => {5    console.log(fixtureParameterNames);6  });7});

Using AI Code Generation

1const { expect } = require('@playwright/test');2const { fixtureParameterNames } = require('@playwright/test/lib/test');3test.describe('Test Suite', () => {4  test('Test 1', async ({ page }) => {5    expect(await page.title()).toBe('Wikipedia');6  });7  test('Test 2', async ({ page }) => {8    expect(await page.title()).toBe('Wikipedia');9  });10  test('Test 3', async ({ page }) => {11    expect(await page.title()).toBe('Wikipedia');12  });13  test('Test 4', async ({ page }) => {14    expect(await page.title()).toBe('Wikipedia');15  });16});17const { fixtureParameterNames } = require('@playwright/test/lib/test');18const { fixtureParameterNames } = require('@playwright/test/lib/test');19test.describe('Test Suite', () => {20  const user = test.fixtures.user.init();21  const browser = test.fixtures.browser.init();22  test('Test 1', async ({ page }) => {23    expect(fixtureParameterNames()).toEqual([]);24    expect(fixtureParameterNames('user')).toEqual(['user']);25    expect(fixtureParameterNames('user', 'browser')).toEqual(['user', 'browser']);26  });27});28const { fixtureParameter } = require('@playwright/test/lib/test');29const { fixtureParameter } = require('@playwright/test

Using AI Code Generation

1const { test, expect } = require("@playwright/test");2const { fixtureParameterNames } = require("@playwright/test/internal/fixtures");3test.describe("Internal API", () => {4    { name: "John", age: 30 },5    { name: "Mike", age: 25 },6  ];7  test.use({8    myFixture: fixtureParameterNames((...params) => {9      const [name, age] = params;10      return { name, age };11    }),12  });13  test("test", async ({ myFixture }) => {14    const { name, age } = myFixture;15    expect(name).toBe("John");16    expect(age).toBe(30);17  });18});

Using AI Code Generation

1const { test } = require('@playwright/test');2test.describe('My test', () => {3  test.use({4  });5  test('My test', async ({ page }) => {6  });7});8const { test } = require('@playwright/test');9test.describe('My test', () => {10  test.use({11  });12  test('My test', async ({ page }) => {13  });14});15const { test } = require('@playwright/test');16test.describe('My test', () => {17  test.use({18  });19  test('My test', async ({ page }) => {20  });21});22const { test } = require('@playwright/test');23test.describe('My test', () => {24  test.use({25  });26  test('My test', async ({ page }) => {27  });28});29const { test } = require('@playwright/test');30test.describe('My test', () => {31  test.use({

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