How to use previousAfterEach method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Property.spec.ts

Source:Property.spec.ts Github

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...198 callOrder.push('afterEach');199 globalAfterEach();200 })201 .afterEach((previousAfterEach) => {202 previousAfterEach();203 callOrder.push('after afterEach');204 });205 expect(p.run(p.generate(stubRng.mutable.nocall()).value)).toBe(null);206 expect(callOrder).toEqual(['test', 'afterEach', 'after afterEach']);207 });208 it('Should execute afterEach after the test on failure', () => {209 const callOrder: string[] = [];210 const p = property(stubArb.single(8), (_arg: number) => {211 callOrder.push('test');212 return false;213 }).afterEach(() => callOrder.push('afterEach'));214 expect(p.run(p.generate(stubRng.mutable.nocall()).value)).not.toBe(null);215 expect(callOrder).toEqual(['test', 'afterEach']);216 });...

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describe.ts

Source:describe.ts Github

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1import { Test } from './test';2type HookFn = (done?: (err?: unknown) => void) => void | Promise<void>;3export class Describe {4 readonly #name: string | undefined;5 readonly #children: (Describe | Test)[] = [];6 readonly #beforeAll: (() => Promise<void>)[] = [];7 readonly #beforeEach: (() => Promise<void>)[] = [];8 readonly #afterEach: (() => Promise<void>)[] = [];9 readonly #afterAll: (() => Promise<void>)[] = [];10 readonly #mode: 'Jest' | 'Mocha';11 constructor(12 name: string | undefined,13 children: (Describe | Test)[],14 beforeAll: (() => Promise<void>)[],15 beforeEach: (() => Promise<void>)[],16 afterEach: (() => Promise<void>)[],17 afterAll: (() => Promise<void>)[],18 mode: 'Jest' | 'Mocha'19 ) {20 this.#name = name;21 this.#children = children;22 this.#beforeAll = beforeAll;23 this.#beforeEach = beforeEach;24 this.#afterEach = afterEach;25 this.#afterAll = afterAll;26 this.#mode = mode;27 }28 #callbackToPromise(hook: HookFn): () => Promise<void> {29 if (hook.length === 1) {30 return () =>31 new Promise((res, rej) => {32 try {33 hook((err) => {34 if (err) {35 rej(err);36 } else {37 res();38 }39 });40 } catch (err) {41 rej(err);42 }43 });44 } else {45 return async () => {46 const result = hook();47 // mocha doesn't support returning a promise48 if (this.#mode === 'Jest') {49 await result;50 }51 return;52 };53 }54 }55 eval(describeBlock: () => void): void {56 const previousDescribe = global.describe;57 const previousTest = global.test;58 const previousIt = global.it;59 const previousBeforeAll = global.beforeAll;60 const previousBefore = global.before;61 const previousBeforeEach = global.beforeEach;62 const previousAfterEach = global.afterEach;63 const previousAfterAll = global.afterAll;64 const previousAfter = global.after;65 global.describe = this.describe.bind(this) as jest.Describe & Mocha.SuiteFunction;66 global.test = this.it.bind(this) as jest.It & Mocha.TestFunction;67 global.it = this.it.bind(this) as jest.It & Mocha.TestFunction;68 if (this.#mode === 'Jest') {69 global.beforeAll = this.beforeAll.bind(this) as jest.Lifecycle;70 } else {71 global.before = this.beforeAll.bind(this) as Mocha.HookFunction;72 }73 global.beforeEach = this.beforeEach.bind(this) as jest.Lifecycle & Mocha.HookFunction;74 global.afterEach = this.afterEach.bind(this) as jest.Lifecycle & Mocha.HookFunction;75 if (this.#mode === 'Jest') {76 global.afterAll = this.afterAll.bind(this) as jest.Lifecycle;77 } else {78 global.after = this.afterAll.bind(this) as Mocha.HookFunction;79 }80 try {81 describeBlock();82 } finally {83 global.describe = previousDescribe;84 global.test = previousTest;85 global.it = previousIt;86 global.beforeAll = previousBeforeAll;87 global.before = previousBefore;88 global.beforeEach = previousBeforeEach;89 global.afterEach = previousAfterEach;90 global.afterAll = previousAfterAll;91 global.after = previousAfter;92 }93 }94 describe(name: string, describeBlock: () => void): void {95 const block = new Describe(name, [], [], [], [], [], this.#mode);96 this.#children.push(block);97 block.eval(describeBlock);98 }99 it(name: string, testCode: HookFn): void {100 this.#children.push(new Test(name, this.#callbackToPromise(testCode)));101 }102 beforeAll(before: HookFn): void {103 this.#beforeAll.push(this.#callbackToPromise(before));104 }105 beforeEach(before: HookFn): void {106 this.#beforeEach.push(this.#callbackToPromise(before));107 }108 afterEach(after: HookFn): void {109 this.#afterEach.push(this.#callbackToPromise(after));110 }111 afterAll(after: HookFn): void {112 this.#afterAll.push(this.#callbackToPromise(after));113 }114 filter(partialName: string): Describe | null {115 if (this.#name && this.#name.includes(partialName)) {116 return this;117 }118 const newChildren = this.#children119 .map((c) => c.filter(partialName))120 .filter((c): c is Describe | Test => c !== null);121 if (!newChildren.length) {122 return null;123 }124 return new Describe(125 this.#name,126 newChildren,127 this.#beforeAll,128 this.#beforeEach,129 this.#afterEach,130 this.#afterAll,131 this.#mode132 );133 }134 async run(before: () => Promise<void>, after: () => Promise<void>): Promise<void> {135 const beforeEach = async (): Promise<void> => {136 await before();137 for (const b of this.#beforeEach) {138 await b();139 }140 };141 const afterEach = async (): Promise<void> => {142 for (const a of this.#afterEach) {143 await a();144 }145 await after();146 };147 for (const b of this.#beforeAll) {148 await b();149 }150 for (const c of this.#children) {151 await c.run(beforeEach, afterEach);152 }153 for (const a of this.#afterAll) {154 await a();155 }156 }...

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index.ts

Source:index.ts Github

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1import type { GivenConstructor, Given2 } from 'given3';2import { Describe } from './describe';3export interface TestRunner {4 filter(partialName?: string): TestRunner;5 run(): Promise<void>;6}7class JestLikeImpl implements TestRunner {8 readonly #root: Describe | null;9 constructor(root: Describe | null) {10 this.#root = root;11 }12 filter(partialName?: string): TestRunner {13 if (partialName && this.#root) {14 return new JestLikeImpl(this.#root.filter(partialName));15 }16 return this;17 }18 async run(): Promise<void> {19 if (this.#root) {20 // suspend the environment during the test run21 const previousDescribe = global.describe;22 const previousTest = global.test;23 const previousIt = global.it;24 const previousBeforeAll = global.beforeAll;25 const previousBefore = global.before;26 const previousBeforeEach = global.beforeEach;27 const previousAfterEach = global.afterEach;28 const previousAfterAll = global.afterAll;29 const previousAfter = global.after;30 global.describe = undefined as any;31 global.test = undefined as any;32 global.it = undefined as any;33 global.beforeAll = undefined as any;34 global.before = undefined as any;35 global.beforeEach = undefined as any;36 global.afterEach = undefined as any;37 global.afterAll = undefined as any;38 global.after = undefined as any;39 try {40 await this.#root.run(41 () => Promise.resolve(),42 () => Promise.resolve()43 );44 } finally {45 global.describe = previousDescribe;46 global.test = previousTest;47 global.it = previousIt;48 global.beforeAll = previousBeforeAll;49 global.before = previousBefore;50 global.beforeEach = previousBeforeEach;51 global.afterEach = previousAfterEach;52 global.afterAll = previousAfterAll;53 global.after = previousAfter;54 }55 }56 }57}58export const suite = (59 mode: 'Jest' | 'Mocha',60 block: (modules: { given: GivenConstructor; given2: Given2 }) => void61): TestRunner => {62 const d = new Describe(undefined, [], [], [], [], [], mode);63 d.eval(() => {64 jest.resetModuleRegistry();65 // eslint-disable-next-line @typescript-eslint/no-var-requires66 const { given, given2 } = require('given3') as { given: GivenConstructor; given2: Given2 };67 block({ given, given2 });68 });69 return new JestLikeImpl(d);...

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Using AI Code Generation

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1const { previousAfterEach } = require("fast-check-monorepo");2const fc = require("fast-check");3fc.configureGlobal({4 beforeEach: () => {5 console.log("beforeEach");6 },7 afterEach: () => {8 console.log("afterEach");9 }10});11fc.assert(12 fc.property(fc.integer(), n => {13 console.log("property");14 return true;15 })16);17fc.assert(18 fc.property(fc.integer(), n => {19 console.log("property");20 return true;21 })22);

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Using AI Code Generation

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1const { afterAllHook, afterEachHook, testProp } = require('fast-check');2afterEachHook(() => {3 console.log('afterEachHook');4});5afterAllHook(() => {6 console.log('afterAllHook');7});8testProp('should pass', [fc.nat()], (n) => {9 console.log('testProp');10 return true;11});12afterEach(() => {13 console.log('afterEach');14});15afterAll(() => {16 console.log('afterAll');17});18test('should pass', () => {19 console.log('test');20 expect(true).toBe(true);21});

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Using AI Code Generation

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1const { previousAfterEach } = require('../dist/index');2describe('test', () => {3 it('test', () => {4 previousAfterEach();5 expect(true).toBe(true);6 });7});

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Using AI Code Generation

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1const { previousAfterEach } = require("@dubzzz/fast-check-monorepo");2const fc = require("fast-check");3describe("test", () => {4 previousAfterEach();5 it("test", () => {6 fc.assert(7 fc.property(fc.integer(), fc.integer(), (a, b) => {8 return a + b === b + a;9 })10 );11 });12});13const { previousAfterEach } = require("fast-check");14const fc = require("fast-check");15describe("test", () => {16 previousAfterEach();17 it("test", () => {18 fc.assert(19 fc.property(fc.integer(), fc.integer(), (a, b) => {20 return a + b === b + a;21 })22 );23 });24});

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