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How to use buildFakeScheduler method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ScheduledCommand.spec.ts

Source:ScheduledCommand.spec.ts

2import { AsyncCommand } from '../../../../../src/check/model/command/AsyncCommand';3import { Scheduler, SchedulerSequenceItem } from '../../../../../src/arbitrary/scheduler';4type Model = Record<string, unknown>;5type Real = unknown;6function buildFakeScheduler(): Scheduler {7  return {8    count: jest.fn(),9    waitOne: jest.fn(),10    waitAll: jest.fn(),11    waitFor: jest.fn(),12    schedule: jest.fn(),13    scheduleFunction: jest.fn(),14    scheduleSequence: (sequenceBuilders: SchedulerSequenceItem[]) => {15      const state = { done: false, faulty: false };16      const run = async () => {17        for (const b of sequenceBuilders) {18          const task = typeof b === 'function' ? b : b.builder;19          await task();20        }21      };22      return Object.assign(state, {23        task: run().then(24          () => {25            state.done = true;26            return state;27          },28          () => {29            state.faulty = true;30            return state;31          }32        ),33      });34    },35    report: jest.fn(),36  };37}38describe('ScheduledCommand', () => {39  it.each`40    checkValue41    ${true}42    ${false}43  `('Should properly forward the output of check ($checkValue)', async ({ checkValue }) => {44    // Arrange45    const cmd = new (class implements AsyncCommand<Model, Real> {46      check = (_m: Readonly<Model>) => checkValue;47      run = async (_m: Model, _r: Real) => {48        /* no-op */49      };50      toString = () => 'command';51    })();52    const scheduledCommand = new ScheduledCommand(buildFakeScheduler(), cmd);53    // Act54    const finalCheckValue = await scheduledCommand.check({});55    // Assert56    expect(finalCheckValue).toBe(checkValue);57  });58  it('Should properly forward exception raised during call to check', async () => {59    // Arrange60    const cmd = new (class implements AsyncCommand<Model, Real> {61      check = (_m: Readonly<Model>) => {62        throw new Error('Call to check failed');63      };64      run = async (_m: Model, _r: Real) => {65        /* no-op */66      };67      toString = () => 'command';68    })();69    const scheduledCommand = new ScheduledCommand(buildFakeScheduler(), cmd);70    // Act / Assert71    await expect(scheduledCommand.check({})).rejects.toMatchInlineSnapshot(`[Error: Call to check failed]`);72  });73  it('Should properly call to run', async () => {74    // Arrange75    const run = jest.fn();76    const model = {};77    const real = {};78    const cmd = new (class implements AsyncCommand<Model, Real> {79      check = (_m: Readonly<Model>) => true;80      run = run;81      toString = () => 'command';82    })();83    const scheduledCommand = new ScheduledCommand(buildFakeScheduler(), cmd);84    // Act85    await scheduledCommand.run(model, real);86    // Assert87    expect(run).toHaveBeenCalledTimes(1);88    expect(run).toHaveBeenCalledWith(model, real);89  });90  it('Should properly forward exception raised during call to run', async () => {91    // Arrange92    const cmd = new (class implements AsyncCommand<Model, Real> {93      check = (_m: Readonly<Model>) => true;94      run = async (_m: Model, _r: Real) => {95        throw new Error('Call to run failed');96      };97      toString = () => 'command';98    })();99    const scheduledCommand = new ScheduledCommand(buildFakeScheduler(), cmd);100    // Act / Assert101    await expect(scheduledCommand.run({}, {})).rejects.toMatchInlineSnapshot(`[Error: Call to run failed]`);102  });103  it('Should wrap calls to check and run using the scheduler', async () => {104    // Arrange105    const check = jest.fn();106    const run = jest.fn();107    const cmd = new (class implements AsyncCommand<Model, Real> {108      check = check;109      run = run;110      toString = () => 'command';111    })();112    const s = {113      ...buildFakeScheduler(),114      scheduleSequence: () => {115        return {116          done: false,117          faulty: false,118          task: Promise.resolve({ done: true, faulty: false }),119        };120      },121    };122    const scheduledCommand = new ScheduledCommand(s, cmd);123    // Act124    await scheduledCommand.check({});125    await scheduledCommand.run({}, {});126    // Assert127    expect(check).not.toHaveBeenCalled();...

Using AI Code Generation

1const fc = require('fast-check');2const { buildFakeScheduler } = require('fast-check-monorepo');3const scheduler = buildFakeScheduler();4const property = fc.property(5  fc.nat(),6  fc.nat(),7  fc.nat(),8  (a, b, c) => {9    const expected = a + b + c;10    scheduler.schedule(() => {11      const actual = a + b + c;12      expect(actual).toEqual(expected);13    });14    scheduler.flush();15    return true;16  }17);18fc.assert(property);19const fc = require('fast-check');20const { buildFakeScheduler } = require('fast-check');21const scheduler = buildFakeScheduler();22const property = fc.property(23  fc.nat(),24  fc.nat(),25  fc.nat(),26  (a, b, c) => {27    const expected = a + b + c;28    scheduler.schedule(() => {29      const actual = a + b + c;30      expect(actual).toEqual(expected);31    });32    scheduler.flush();33    return true;34  }35);36fc.assert(property);37const fc = require('fast-check');38const { buildFakeScheduler } = require('fast-check');39const scheduler = buildFakeScheduler();40const property = fc.property(41  fc.nat(),42  fc.nat(),43  fc.nat(),44  (a, b, c) => {45    const expected = a + b + c;46    scheduler.schedule(() => {47      const actual = a + b + c;48      expect(actual).toEqual(expected);49    });50    scheduler.flush();51    return true;52  }53);54fc.assert(property);55const fc = require('fast-check');56const { buildFakeScheduler } = require('fast-check');57const scheduler = buildFakeScheduler();58const property = fc.property(59  fc.nat(),60  fc.nat(),61  fc.nat(),62  (a, b, c) => {63    const expected = a + b + c;64    scheduler.schedule(() => {65      const actual = a + b + c;66      expect(actual).toEqual(expected);67    });68    scheduler.flush();69    return true;70  }71);72fc.assert(property);

Using AI Code Generation

1const buildFakeScheduler = require('fast-check-monorepo').buildFakeScheduler;2const fc = require('fast-check');3const scheduler = buildFakeScheduler();4fc.assert(fc.property(fc.integer(), fc.integer(), (a, b) => {5  return a + b === b + a;6}), { scheduler });

Using AI Code Generation

1const { buildFakeScheduler } = require('fast-check-monorepo');2const fc = require('fast-check');3const { _ } = fc;4const fakeScheduler = buildFakeScheduler();5const fakeSchedulerArb = fc.record({6  setTimeout: fc.func(fc.anything()),7  setInterval: fc.func(fc.anything()),8  clearTimeout: fc.func(fc.anything()),9  clearInterval: fc.func(fc.anything()),10});11const fakeSchedulerArb = fc.record({12  setTimeout: fc.func(fc.anything()),13  setInterval: fc.func(fc.anything()),14  clearTimeout: fc.func(fc.anything()),15  clearInterval: fc.func(fc.anything()),16});17describe('test', () => {18  it('should pass', () => {19    fc.assert(20      fc.property(fakeSchedulerArb, (scheduler) => {21        const { setTimeout, setInterval, clearTimeout, clearInterval } = scheduler;22        const fakeSetTimeout = setTimeout;23        const fakeSetInterval = setInterval;24        const fakeClearTimeout = clearTimeout;25        const fakeClearInterval = clearInterval;26        fakeSetTimeout(() => console.log('hello'), 2000);27        fakeSetInterval(() => console.log('world'), 3000);28        fakeClearTimeout();29        fakeClearInterval();30      })31    );32  });33});34const { buildFakeScheduler } = require('fast-check-monorepo');35const fc = require('fast-check');36const { _ } = fc;37const fakeScheduler = buildFakeScheduler();38const fakeSchedulerArb = fc.record({39  setTimeout: fc.func(fc.anything()),40  setInterval: fc.func(fc.anything()),41  clearTimeout: fc.func(fc.anything()),42  clearInterval: fc.func(fc.anything()),43});44describe('test', () => {45  it('should pass', () => {46    fc.assert(47      fc.property(fakeSchedulerArb, (scheduler) => {48        const { setTimeout, setInterval, clearTimeout, clearInterval } = scheduler;49        const fakeSetTimeout = setTimeout;50        const fakeSetInterval = setInterval;51        const fakeClearTimeout = clearTimeout;52        const fakeClearInterval = clearInterval;53        fakeSetTimeout(() => console.log('hello'), 2000);54        fakeSetInterval(() => console.log('world'), 3000);55        fakeClearTimeout();56        fakeClearInterval();57      })58    );59  });60});

Using AI Code Generation

1import { buildFakeScheduler } from 'fast-check'2const fakeScheduler = buildFakeScheduler()3fakeScheduler.schedule(() => console.log('hello'))4import { buildFakeScheduler } from 'fast-check'5const fakeScheduler = buildFakeScheduler()6fakeScheduler.schedule(() => console.log('hello'))

Using AI Code Generation

1const { buildFakeScheduler } = require('fast-check-monorepo');2const scheduler = buildFakeScheduler();3scheduler.schedule(1, 1, () => console.log('Hello World'));4scheduler.flush();5const { buildFakeScheduler } = require('fast-check-monorepo');6const scheduler = buildFakeScheduler();7scheduler.schedule(1, 1, () => console.log('Hello World'));8scheduler.flush();9import { buildFakeScheduler } from 'fast-check-monorepo';10const scheduler = buildFakeScheduler();11scheduler.schedule(1, 1, () => console.log('Hello World'));12scheduler.flush();13import { buildFakeScheduler } from 'fast-check-monorepo';14const scheduler = buildFakeScheduler();15scheduler.schedule(1, 1, () => console.log('Hello World'));16scheduler.flush();17import { buildFakeScheduler } from 'fast-check-monorepo';18const scheduler = buildFakeScheduler();19scheduler.schedule(1, 1, () => console.log('Hello World'));20scheduler.flush();21import { buildFakeScheduler } from 'fast-check-monorepo';22const scheduler = buildFakeScheduler();23scheduler.schedule(1, 1, () => console.log('Hello World'));24scheduler.flush();25import { buildFakeScheduler } from 'fast-check-monorepo';26const scheduler = buildFakeScheduler();27scheduler.schedule(1, 1, () => console.log('Hello World'));28scheduler.flush();29const { buildFakeScheduler } = require('fast-check-monorepo');30const scheduler = buildFakeScheduler();31scheduler.schedule(1, 1, () => console.log('Hello World'));32scheduler.flush();33{

Using AI Code Generation

1import { buildFakeScheduler } from 'fast-check';2import { buildFakeScheduler } from 'fast-check-monorepo';3import { buildFakeScheduler } from 'fast-check-monorepo';4import { buildFakeScheduler } from 'fast-check';5import { buildFakeScheduler } from 'fast-check-monorepo';6import { buildFakeScheduler } from 'fast-check';7import { buildFakeScheduler } from 'fast-check-monorepo';8import { buildFakeScheduler } from 'fast-check';9import { buildFakeScheduler } from 'fast-check-monorepo';10import { buildFakeScheduler } from 'fast-check';11import { buildFakeScheduler } from 'fast-check-monorepo';12import { buildFakeScheduler } from 'fast-check';13import { buildFakeScheduler } from 'fast-check-monorepo';14import { buildFakeScheduler } from 'fast-check';15import { buildFakeScheduler } from 'fast-check-monorepo';16import { buildFakeScheduler } from 'fast-check';17import { buildFakeScheduler } from 'fast-check-monorepo';18import { buildFakeScheduler } from 'fast-check';

Using AI Code Generation

1import { buildFakeScheduler } from "@jmondi/fast-check";2const scheduler = buildFakeScheduler();3const callback = jest.fn();4setTimeout(callback, 1000);5expect(callback).not.toBeCalled();6scheduler.next();7expect(callback).toBeCalled();8const callback2 = jest.fn();9const id = setTimeout(callback2, 1000);10expect(callback2).not.toBeCalled();11clearTimeout(id);12scheduler.next();13expect(callback2).not.toBeCalled();14const callback3 = jest.fn();15setInterval(callback3, 1000);16expect(callback3).not.toBeCalled();17scheduler.next();18expect(callback3).toBeCalled();19const callback4 = jest.fn();20const id2 = setInterval(callback4, 1000);21expect(callback4).not.toBeCalled();22clearInterval(id2);23scheduler.next();24expect(callback4).not.toBeCalled();

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