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How to use expectedRunInput method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

TimeoutProperty.spec.ts

Source:TimeoutProperty.spec.ts

1import { Value } from '../../../../src/check/arbitrary/definition/Value';2import { TimeoutProperty } from '../../../../src/check/property/TimeoutProperty';3import { fakeRandom } from '../../arbitrary/__test-helpers__/RandomHelpers';4import { fakeProperty } from './__test-helpers__/PropertyHelpers';5describe('TimeoutProperty', () => {6  beforeEach(() => {7    jest.clearAllTimers();8  });9  it('should forward calls to generate', () => {10    // Arrange11    jest.useFakeTimers();12    const { instance: decoratedProperty, generate } = fakeProperty(true);13    const { instance: mrng } = fakeRandom();14    const expectedRunId = 42;15    const expectedOut = new Value(Symbol('value'), Symbol('context'));16    generate.mockReturnValueOnce(expectedOut);17    // Act18    const timeoutProp = new TimeoutProperty(decoratedProperty, 100);19    const out = timeoutProp.generate(mrng, expectedRunId);20    // Assert21    expect(out).toBe(expectedOut);22    expect(generate).toHaveBeenCalledTimes(1);23    expect(generate).toHaveBeenCalledWith(mrng, expectedRunId);24  });25  it('should forward inputs to run', async () => {26    // Arrange27    jest.useFakeTimers();28    const { instance: decoratedProperty, run } = fakeProperty(true);29    const expectedRunInput = { anything: Symbol('something') };30    // Act31    const timeoutProp = new TimeoutProperty(decoratedProperty, 10);32    const runPromise = timeoutProp.run(expectedRunInput);33    jest.advanceTimersByTime(10);34    await runPromise;35    // Assert36    expect(run).toHaveBeenCalledTimes(1);37    expect(run).toHaveBeenCalledWith(expectedRunInput);38  });39  it('should not timeout if it succeeds in time', async () => {40    // Arrange41    jest.useFakeTimers();42    const { instance: decoratedProperty, run } = fakeProperty(true);43    run.mockReturnValueOnce(44      new Promise(function (resolve) {45        setTimeout(() => resolve(null), 10);46      })47    );48    // Act49    const timeoutProp = new TimeoutProperty(decoratedProperty, 100);50    const runPromise = timeoutProp.run({});51    jest.advanceTimersByTime(10);52    await runPromise;53    // Assert54    expect(await runPromise).toBe(null);55  });56  it('should not timeout if it fails in time', async () => {57    // Arrange58    const errorFromUnderlying = { error: undefined, errorMessage: 'plop' };59    jest.useFakeTimers();60    const { instance: decoratedProperty, run } = fakeProperty(true);61    run.mockReturnValueOnce(62      new Promise(function (resolve) {63        // underlying property is not supposed to throw (reject)64        setTimeout(() => resolve(errorFromUnderlying), 10);65      })66    );67    // Act68    const timeoutProp = new TimeoutProperty(decoratedProperty, 100);69    const runPromise = timeoutProp.run({});70    jest.advanceTimersByTime(10);71    await runPromise;72    // Assert73    expect(await runPromise).toBe(errorFromUnderlying);74  });75  it('should clear all started timeouts on success', async () => {76    // Arrange77    jest.useFakeTimers();78    jest.spyOn(global, 'setTimeout');79    jest.spyOn(global, 'clearTimeout');80    const { instance: decoratedProperty, run } = fakeProperty(true);81    run.mockResolvedValueOnce(null);82    // Act83    const timeoutProp = new TimeoutProperty(decoratedProperty, 100);84    await timeoutProp.run({});85    // Assert86    expect(setTimeout).toBeCalledTimes(1);87    expect(clearTimeout).toBeCalledTimes(1);88  });89  it('should clear all started timeouts on failure', async () => {90    // Arrange91    const errorFromUnderlying = { error: undefined, errorMessage: 'plop' };92    jest.useFakeTimers();93    jest.spyOn(global, 'setTimeout');94    jest.spyOn(global, 'clearTimeout');95    const { instance: decoratedProperty, run } = fakeProperty(true);96    run.mockResolvedValueOnce(errorFromUnderlying);97    // Act98    const timeoutProp = new TimeoutProperty(decoratedProperty, 100);99    await timeoutProp.run({});100    // Assert101    expect(setTimeout).toBeCalledTimes(1);102    expect(clearTimeout).toBeCalledTimes(1);103  });104  it('should timeout if it takes to long', async () => {105    // Arrange106    jest.useFakeTimers();107    const { instance: decoratedProperty, run } = fakeProperty(true);108    run.mockReturnValueOnce(109      new Promise(function (resolve) {110        setTimeout(() => resolve(null), 100);111      })112    );113    // Act114    const timeoutProp = new TimeoutProperty(decoratedProperty, 10);115    const runPromise = timeoutProp.run({});116    jest.advanceTimersByTime(10);117    // Assert118    expect(await runPromise).toEqual({119      error: expect.any(Error),120      errorMessage: `Property timeout: exceeded limit of 10 milliseconds`,121    });122  });123  it('Should timeout if it never ends', async () => {124    // Arrange125    jest.useFakeTimers();126    const { instance: decoratedProperty, run } = fakeProperty(true);127    run.mockReturnValueOnce(new Promise(() => {}));128    // Act129    const timeoutProp = new TimeoutProperty(decoratedProperty, 10);130    const runPromise = timeoutProp.run({});131    jest.advanceTimersByTime(10);132    // Assert133    expect(await runPromise).toEqual({134      error: expect.any(Error),135      errorMessage: `Property timeout: exceeded limit of 10 milliseconds`,136    });137  });...

Using AI Code Generation

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

Using AI Code Generation

1const fc = require("fast-check");2fc.assert(3  fc.property(fc.integer(), (i) => {4    fc.pre(i % 2 === 0);5    fc.pre(i % 3 === 0);6    return i % 6 === 0;7  })8);

Using AI Code Generation

1const { expectedRunInput } = require('fast-check-monorepo');2const input = expectedRunInput({3});4console.log(input);5const fc = require('fast-check');6fc.assert(fc.property(fc.integer(), (n) => n === n));7### `expectedRunInput(options)`8- `options` - object of type `RunInputOptions` (see below)9- `seed` - number (default: `Date.now()`)10- `endOnFailure` - boolean (default: `false`)11- `verbose` - boolean (default: `false`)12- `numRuns` - number (default: `1000`)13- `examples` - number (default: `100`)14- `maxSkipsPerRun` - number (default: `10`)15- `maxShrinksPerRun` - number (default: `100`)16- `interruptAfterTimeLimit` - number (default: `1000`)17- `interruptAfterTimeUnit` - string (default: `seconds`)18- `interruptAfterNumberOfTests` - number (default: `1000`)19- `interruptAfterNumberOfRuns` - number (default: `1000`)20- `saveFirstSeed` - string (default: `undefined`)21- `saveEachSeed` - string (default: `undefined`)22- `loadSeed` - string (default: `undefined`)23- `path` - string (default: `undefined`)

Using AI Code Generation

1const fc = require('fast-check');2const { expectedRunInput } = require('fast-check-monorepo');3const { expectedRunInput } = require('fast-check-monorepo');4fc.assert(5  fc.property(6    fc.integer(),7    fc.integer(),8    (a, b) => {9      return expectedRunInput(a, b) === a + b;10    }11);12const fc = require('fast-check');13const { expectedRunInput } = require('fast-check-monorepo');14const { expectedRunInput } = require('fast-check-monorepo');15fc.assert(16  fc.property(17    fc.integer(),18    fc.integer(),19    (a, b) => {20      return expectedRunInput(a, b) === a + b;21    }22);23const fc = require('fast-check');24const { expectedRunInput } = require('fast-check-monorepo');25const { expectedRunInput } = require('fast-check-monorepo');26fc.assert(27  fc.property(28    fc.integer(),29    fc.integer(),30    (a, b) => {31      return expectedRunInput(a, b) === a + b;32    }33);34const fc = require('fast-check');35const { expectedRunInput } = require('fast-check-monorepo');36const { expectedRunInput } = require('fast-check-monorepo');37fc.assert(38  fc.property(39    fc.integer(),40    fc.integer(),41    (a, b) => {42      return expectedRunInput(a, b) === a + b;43    }44);45const fc = require('fast-check');46const { expectedRunInput } = require('fast-check-monorepo');47const { expectedRunInput } = require('fast-check-monorepo');48fc.assert(49  fc.property(50    fc.integer(),51    fc.integer(),52    (a, b) => {53      return expectedRunInput(a, b) === a + b;54    }55);

Using AI Code Generation

1import { expectedRunInput } from 'fast-check-monorepo';2import * as fc from 'fast-check';3import * as assert from 'assert';4const arb = fc.oneof(fc.integer(), fc.string(), fc.double());5const expected = expectedRunInput(arb);6assert.ok(expected !== undefined);7import { expectedRunInput } from 'fast-check';8import * as fc from 'fast-check';9import * as assert from 'assert';10const arb = fc.oneof(fc.integer(), fc.string(), fc.double());11const expected = expectedRunInput(arb);12assert.ok(expected === undefined);

Using AI Code Generation

1const { expectedRunInput, expectedRunOutput } = require('fast-check-monorepo');2describe('MyProperty', () => {3  const property = require('./property.js');4  const seed = 42;5  const numRuns = 1000;6  it('should have the expected output', () => {7    const input = expectedRunInput('./property.js', numRuns, seed);8    expect(input).toEqual({ numRuns, seed });9    const output = expectedRunOutput('./property.js', numRuns, seed, true);10    expect(output).toEqual(true);11  });12});

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