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How to use contextStringBeforeLog method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

context.spec.ts

Source:context.spec.ts

1import * as fc from 'fast-check';2import { context, ContextValue } from '../../../src/arbitrary/context';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import { cloneMethod, hasCloneMethod, WithCloneMethod } from '../../../src/check/symbols';5import * as ConstantMock from '../../../src/arbitrary/constant';6function beforeEachHook() {7  jest.resetModules();8  jest.restoreAllMocks();9  fc.configureGlobal({ beforeEach: beforeEachHook });10}11beforeEach(beforeEachHook);12describe('context', () => {13  it('should re-use constant to build the context', () => {14    // Arrange15    const { instance } = fakeArbitrary();16    const constant = jest.spyOn(ConstantMock, 'constant');17    constant.mockImplementation(() => instance);18    // Act19    const arb = context();20    // Assert21    expect(constant).toHaveBeenCalledWith(expect.anything());22    expect(arb).toBe(instance);23  });24  it('should pass a cloneable context to constant', () => {25    // Arrange26    const { instance } = fakeArbitrary();27    const constant = jest.spyOn(ConstantMock, 'constant');28    constant.mockImplementation(() => instance);29    // Act30    context();31    const contextValue = constant.mock.calls[0][0] as ContextValue;32    // Assert33    expect(hasCloneMethod(contextValue)).toBe(true);34  });35  it('should not reset its own logs on clone', () => {36    // Arrange37    const { instance } = fakeArbitrary();38    const constant = jest.spyOn(ConstantMock, 'constant');39    constant.mockImplementation(() => instance);40    // Act41    context();42    const contextValue = constant.mock.calls[0][0] as ContextValue & WithCloneMethod<ContextValue>;43    contextValue.log('a');44    // Assert45    const contextStringBeforeClone = String(contextValue);46    expect(contextValue[cloneMethod]()).toBeDefined();47    expect(String(contextValue)).toEqual(contextStringBeforeClone);48    expect(contextValue.size()).toEqual(1);49  });50  it('should produce a clone without any logs', () => {51    // Arrange52    const { instance } = fakeArbitrary();53    const constant = jest.spyOn(ConstantMock, 'constant');54    constant.mockImplementation(() => instance);55    // Act56    context();57    const contextValue = constant.mock.calls[0][0] as ContextValue & WithCloneMethod<ContextValue>;58    const contextStringBeforeLog = String(contextValue);59    contextValue.log('a');60    const clonedContextValue = contextValue[cloneMethod]();61    // Assert62    expect(String(clonedContextValue)).not.toEqual(String(contextValue));63    expect(String(clonedContextValue)).toEqual(contextStringBeforeLog);64    expect(clonedContextValue.size()).toEqual(0);65  });...

Using AI Code Generation

1const fc = require('fast-check');2const { contextStringBeforeLog } = require('fast-check-monorepo');3fc.configureGlobal({ contextStringBeforeLog: contextStringBeforeLog });4const { property } = require('fast-check');5const { expect } = require('chai');6describe('Property', () => {7  it('should be able to use contextStringBeforeLog method of fast-check-monorepo', () => {8    property(fc.string(), fc.integer(), (str, int) => {9      expect(str).to.be.a('string');10      expect(int).to.be.a('number');11    });12  });13});14  0 passing (1s)

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