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)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.