How to use mockWrite method in differencify

Best JavaScript code snippet using differencify

index.spec.ts

Source:index.spec.ts

1import { join } from 'path';2import { createPref, Pref } from './index';3import * as io from './utils/io';4const mockRead = jest.spyOn(io, 'readFromDisk').mockImplementation();5const mockWrite = jest.spyOn(io, 'writeToDisk').mockImplementation();6afterAll(() => {7  jest.restoreAllMocks();8});9beforeEach(() => {10  mockRead.mockImplementation();11  mockWrite.mockImplementation();12});13describe('exports', () => {14  it('exports expected items', () => {15    // eslint-disable-next-line @typescript-eslint/no-var-requires16    const allExports = require('./index');17    expect(allExports).toHaveProperty('Pref');18    expect(allExports).toHaveProperty('getDefaultCrypto');19  });20});21describe('singleton instance', () => {22  beforeEach(() => {23    jest.clearAllMocks();24  });25  it('Pref is a singleton instance', () => {26    // eslint-disable-next-line @typescript-eslint/no-var-requires27    const Pref2 = require('./index').Pref;28    expect(Pref).toBe(Pref2);29  });30  it('sets, gets, resets', () => {31    expect(Pref.get('foo')).toBe(undefined);32    Pref.set('foo', 'bar');33    expect(mockWrite).toHaveBeenLastCalledWith(34      Pref.filePath.replace('/config.pref', ''),35      'config.pref',36      expect.any(String)37    );38    expect(Pref.get('foo')).toBe('bar');39    Pref.reset('foo');40    expect(mockWrite).toHaveBeenLastCalledWith(41      Pref.filePath.replace('/config.pref', ''),42      'config.pref',43      expect.any(String)44    );45    expect(Pref.get('foo')).toBe(undefined);46    expect(mockWrite).toBeCalledTimes(2);47    expect(mockRead).toBeCalledTimes(1);48  });49  it('writes, reads', () => {50    let file: string;51    mockWrite.mockImplementation((dir, name, text) => {52      file = text;53    });54    Pref.write();55    expect(mockWrite).toBeCalledTimes(1);56    expect(mockWrite).toBeCalledWith(57      Pref.filePath.replace('/config.pref', ''),58      'config.pref',59      expect.any(String)60    );61    mockRead.mockReturnValueOnce(file);62    Pref.read();63    expect(mockRead).toBeCalledTimes(1);64    expect(mockRead).toReturnWith(expect.any(String));65  });66});67describe('create instance', () => {68  const encoder = (s: string) => s;69  const decoder = (s: string) => s;70  const SAFE_OPTIONS = {71    name: 'com.example.test',72    dirPath: './dir/path',73    filename: 'test.pref',74    encoder,75    decoder,76  };77  beforeEach(() => {78    jest.clearAllMocks();79  });80  it('does not throw error', () => {81    expect(() =>82      createPref({83        defaults: { a: 'memory' },84        ...SAFE_OPTIONS,85      })86    ).not.toThrow();87  });88  it('creates defaults and gets defaults', () => {89    mockRead.mockImplementationOnce(() => {90      throw new Error();91    });92    const { get } = createPref({93      defaults: { a: 'a' },94      ...SAFE_OPTIONS,95    });96    expect(mockRead).toHaveBeenCalledTimes(1);97    expect(mockRead).not.toReturn();98    expect(mockWrite).not.toHaveBeenCalled();99    expect(get('a')).toBe('a');100  });101  it('falls back on defaults if error', () => {102    mockRead.mockReturnValueOnce('not encrypted text');103    const { get } = createPref({104      defaults: { a: 'a' },105      ...SAFE_OPTIONS,106    });107    expect(mockRead).toHaveBeenCalled();108    expect(mockWrite).not.toHaveBeenCalled();109    expect(get('a')).toBe('a');110  });111  it('reads and extends defaults', () => {112    mockRead.mockReturnValueOnce(JSON.stringify({ a: 'disk' }));113    const { get } = createPref({114      defaults: { a: 'default', b: 'b' },115      ...SAFE_OPTIONS,116    });117    expect(mockRead).toHaveBeenCalled();118    expect(get('a')).toBe('disk');119  });120  it("dose not write if state doesn't change", () => {121    const { set } = createPref({122      defaults: { a: 'a' },123      ...SAFE_OPTIONS,124    });125    expect(mockWrite).not.toHaveBeenCalled();126    set('a', 'a');127    expect(mockWrite).not.toHaveBeenCalled();128  });129  it('writes once state has changed', () => {130    const { set } = createPref({131      defaults: { a: 'a' },132      ...SAFE_OPTIONS,133    });134    expect(mockWrite).not.toHaveBeenCalled();135    set('a', 'b');136    expect(mockWrite).toHaveBeenCalledTimes(1);137    expect(mockWrite).toHaveBeenCalledWith(138      SAFE_OPTIONS.dirPath,139      SAFE_OPTIONS.filename,140      expect.any(String)141    );142  });143  it('filePath exists and is overwritten', () => {144    const { filePath } = createPref({145      defaults: { a: 'a' },146      ...SAFE_OPTIONS,147    });148    expect(filePath).toBe(join(SAFE_OPTIONS.dirPath, SAFE_OPTIONS.filename));149  });150  it('gets, sets, and resets key from state', () => {151    const { get, set, reset } = createPref({152      defaults: { a: 'default' },153      ...SAFE_OPTIONS,154    });155    expect(mockRead).toHaveBeenCalledTimes(1);156    expect(mockWrite).not.toHaveBeenCalled();157    expect(get('a')).toEqual('default');158    set('a', 'disk');159    expect(mockWrite).toHaveBeenCalledTimes(1);160    expect(mockWrite).toHaveBeenCalledWith(161      SAFE_OPTIONS.dirPath,162      SAFE_OPTIONS.filename,163      JSON.stringify({ a: 'disk' })164    );165    expect(get('a')).toEqual('disk');166    expect(mockRead).toHaveBeenCalledTimes(1);167    reset('a');168    expect(mockWrite).toHaveBeenCalledTimes(2);169    expect(mockWrite).toHaveBeenCalledWith(170      SAFE_OPTIONS.dirPath,171      SAFE_OPTIONS.filename,172      JSON.stringify({ a: 'default' })173    );174    expect(get('a')).toEqual('default');175    expect(mockRead).toHaveBeenCalledTimes(1);176  });177  it('never writes when equality is `false`', () => {178    const { set, reset } = createPref({179      defaults: { a: 'default' },180      ...SAFE_OPTIONS,181      equality: false,182    });183    set('a', 'b');184    set('a', 'c');185    set('a', 'd');186    set('a', 'e');187    reset('a');188    expect(mockWrite).not.toBeCalled();189  });190  it('always writes when equality is `true`', () => {191    const { set, reset } = createPref({192      defaults: { a: 'default' },193      ...SAFE_OPTIONS,194      equality: true,195    });196    set('a', 'b');197    set('a', 'c');198    set('a', 'd');199    set('a', 'e');200    reset('a');201    expect(mockWrite).toBeCalledTimes(5);202  });...

queueMap.test.ts

Source:queueMap.test.ts

...18        const queueMap = new QueueMap();19        const mockWrite = jest.fn();20        const queueId = "1";21        const sleepThenReturn = ms => async (...params) => {22            await mockWrite(...params);23            await sleep(ms);24        }25        const a = ["a", 1];26        const b = ["b", 2];27        const c = ["c", 3];28        const d = ["d", 4];29        const expected = [b, d]30        queueMap.enque(queueId, a);31        queueMap.enque(queueId, b);32        queueMap.on(queueId, sleepThenReturn(1000), params => params);33        queueMap.enque(queueId, c);34        queueMap.enque(queueId, d);35        await sleep(2000);36        expect(mockWrite.mock.calls.length).toBe(2);37        expect([mockWrite.mock.calls[0], mockWrite.mock.calls[1]]).toEqual(expected);38    })39    test("prevent call on twice.", async () => {40        const queueMap = new QueueMap();41        const queueId = "1";42        const mockWrite = jest.fn();43        const sleepThenReturn = ms => async (...params) => {44            await mockWrite(...params);45            await sleep(ms);46        }47        const a = ["a", 1];48        const b = ["b", 2];49        const c = ["c", 3];50        const d = ["d", 4];51        const expected = [b, d]52        queueMap.enque(queueId, a);53        queueMap.enque(queueId, b);54        queueMap.on(queueId, sleepThenReturn(1000), params => params);55        queueMap.enque(queueId, c);56        queueMap.on(queueId, sleepThenReturn(1000), params => params);57        queueMap.enque(queueId, d);58        await sleep(2000);59        expect(mockWrite.mock.calls.length).toBe(2);60        expect([mockWrite.mock.calls[0], mockWrite.mock.calls[1]]).toEqual(expected);61    })62    test("read last element.", async () => {63        const queueMap = new QueueMap();64        const queueId = "1";65        const f = jest.fn();66        const sleepThenReturn = ms => async (...params) => {67            await f(...params);68            await sleep(ms);69        }70        const a = ["a", 1];71        const b = ["b", 2];72        const c = ["c", 3];73        const d = ["d", 4];74        queueMap.enque(queueId, a);75        queueMap.enque(queueId, b);76        queueMap.on(queueId, sleepThenReturn(1000), params => params);77        queueMap.enque(queueId, c);78        queueMap.enque(queueId, d);79        expect(queueMap.getLast(queueId)).toEqual(d);80    })81    test("delete after write finished", async () => {82        const mockCallback = jest.fn();83        const mockWrite = jest.fn();84        const queueMap = new QueueMap();85        const queueId = "1";86        const mockAsync = ms => async (...params) => {87            await mockWrite(...params);88            await sleep(ms);89        }90        const a = ["a", 1];91        const b = ["b", 2];92        const c = ["c", 3];93        const d = ["d", 4];94        queueMap.enque(queueId, a);95        queueMap.enque(queueId, b);96        queueMap.on(queueId, mockAsync(1000));97        queueMap.enque(queueId, c);98        queueMap.enque(queueId, d);99        const args = [a, b];100        queueMap.callAfterLoop(queueId, mockCallback, args);101        await sleep(3000);...

Using AI Code Generation

1import { mockWrite } from 'differencify';2mockWrite();3import { mockRead } from 'differencify';4mockRead();5import { mockWrite } from 'differencify';6mockWrite();7import { mockRead } from 'differencify';8mockRead();9import { mockWrite } from 'differencify';10mockWrite();11import { mockRead } from 'differencify';12mockRead();13import { mockWrite } from 'differencify';14mockWrite();15import { mockRead } from 'differencify';16mockRead();17import { mockWrite } from 'differencify';18mockWrite();19import { mockRead } from 'differencify';20mockRead();21import { mockWrite } from 'differencify';22mockWrite();23import { mockRead } from 'differencify';24mockRead();25import { mockWrite } from 'differencify';26mockWrite();27import { mockRead } from 'differencify';28mockRead();29import { mockWrite } from 'differencify';30mockWrite();31import { mockRead } from 'differencify';32mockRead();33import { mockWrite } from 'differencify';34mockWrite();35import { mockRead } from 'differencify';36mockRead();37import { mockWrite } from 'differencify';

Using AI Code Generation

1const differencify = require('differencify');2const { mockWrite } = differencify;3const differencify = require('differencify');4const { mockWrite } = differencify;5const differencify = require('differencify');6const { mockWrite } = differencify;7const differencify = require('differencify');8const { mockWrite } = differencify;9const differencify = require('differencify');10const { mockWrite } = differencify;11const differencify = require('differencify');12const { mockWrite } = differencify;13const differencify = require('differencify');14const { mockWrite } = differencify;15const differencify = require('differencify');16const { mockWrite } = differencify;17const differencify = require('differencify');18const { mockWrite } = differencify;19const differencify = require('differencify');20const { mockWrite } = differencify;

Using AI Code Generation

1const differencify = require('differencify');2const { mockWrite } = differencify;3const { mockWrite } = require('differencify');4import { mockWrite } from 'differencify';5import differencify from 'differencify';6const { mockWrite } = differencify;7import differencify from 'differencify';8const { mockWrite } = differencify;9const differencify = require('differencify');10const { mockWrite } = differencify;11const { mockWrite } = require('differencify');12import { mockWrite } from 'differencify';13import differencify from 'differencify';14const { mockWrite } = differencify;15import differencify from 'differencify';16const { mockWrite } = differencify;17const differencify = require('differencify');18const { mockWrite } = differencify;19const { mockWrite } = require('differencify');20import { mockWrite } from 'differencify';21import differencify from 'differencify';22const { mockWrite } = differencify;23import differencify from 'differencify';24const { mockWrite } = differencify;25const differencify = require('differencify');26const { mockWrite } = differencify;27const { mockWrite } = require('differencify');

Using AI Code Generation

1const mockWrite = require('differencify').mockWrite;2const differencify = require('differencify').default;3const differencifyConfig = require('./differencify.json');4const differencifyInstance = differencify(differencifyConfig);5const mockWrite = require('differencify').mockWrite;6const differencify = require('differencify').default;7const differencifyConfig = require('./differencify.json');8const differencifyInstance = differencify(differencifyConfig);9mockWrite(differencifyInstance, 'test');10const mockWrite = require('differencify').mockWrite;11const differencify = require('differencify').default;12const differencifyConfig = require('./differencify.json');13const differencifyInstance = differencify(differencifyConfig);14mockWrite(differencifyInstance, 'test');15const mockWrite = require('differencify').mockWrite;16const differencify = require('differencify').default;17const differencifyConfig = require('./differencify.json');18const differencifyInstance = differencify(differencifyConfig);19mockWrite(differencifyInstance, 'test');20const mockWrite = require('differencify').mockWrite;21const differencify = require('differencify').default;22const differencifyConfig = require('./differencify.json');23const differencifyInstance = differencify(differencifyConfig);24mockWrite(differencifyInstance, 'test');

Using AI Code Generation

1const differencify = require('differencify');2const differencifyConfig = require('./differencifyConfig.js');3const differencifyInstance = differencify.init(differencifyConfig);4const differencify = require('differencify');5const differencifyConfig = require('./differencifyConfig.js');6const differencifyInstance = differencify.init(differencifyConfig);7const differencifyConfig = {8}9const differencifyConfig = {10}11const differencify = require('differencify');12const differencifyConfig = require('./differencifyConfig.js');13const differencifyInstance = differencify.init(differencifyConfig);14const differencify = require('differencify');15const differencifyConfig = require('./differencifyConfig.js');16const differencifyInstance = differencify.init(differencifyConfig);17const differencifyConfig = {18}19const differencifyConfig = {20}21const differencify = require('differencify');22const differencifyConfig = require('./differencifyConfig.js');23const differencifyInstance = differencify.init(differencifyConfig);24const differencify = require('differencify');25const differencifyConfig = require('./differencifyConfig.js');26const differencifyInstance = differencify.init(differencifyConfig);27const differencifyConfig = {28}

Using AI Code Generation

1const differencify = require('differencify');2differencify.mockWrite = true;3const assert = require('assert');4const app = require('./app');5describe('app', function() {6  it('should render page', async function() {7    const page = await app.goto(url);8    const screenshot = await page.screenshot();9    assert.ok(await differencify.compare(screenshot, 'homepage'));10  });11});12const differencify = require('differencify');13differencify.mockWrite = true;14const assert = require('assert');15const app = require('./app');16describe('app', function() {17  it('should render page', async function() {18    const page = await app.goto(url);19    const screenshot = await page.screenshot();20    assert.ok(await differencify.compare(screenshot, 'homepage'));21  });22});23differencify.compare(screenshot, 'homepage', 0.01);

Using AI Code Generation

1const differencify = require('differencify');2const differencifyInstance = differencify.init({});3const mockWrite = jest.fn();4differencifyInstance.mockWrite = mockWrite;5const { test } = differencifyInstance;6test('test', async () => {7  const image = await page.screenshot();8  expect(image).toMatchImageSnapshot();9});10describe('test', () => {11  it('test', async () => {12    const image = await page.screenshot();13    expect(image).toMatchImageSnapshot();14  });15});16describe('test', () => {17  it('test', async () => {18    const image = await page.screenshot();19    expect(image).toMatchImageSnapshot();20  });21});22const differencify = require('differencify');23const differencifyInstance = differencify.init({});24describe('test', () => {25  it('test', async () => {26    const image = await page.screenshot();27    expect(image).toMatchImageSnapshot();28  });29});30const differencify = require('differencify');31const differencifyInstance = differencify.init({});32describe('test', () => {33  it('test', async () => {34    const image = await page.screenshot();35    expect(image).toMatchImageSnapshot();36  });37});38const differencify = require('differencify');39const differencifyInstance = differencify.init({});40describe('test', () => {41  it('test', async () => {42    const image = await page.screenshot();43    expect(image).toMatchImageSnapshot();44  });45});46const differencify = require('differencify');47const differencifyInstance = differencify.init({});48describe('test', () => {49  it('test', async () => {50    const image = await page.screenshot();51    expect(image).toMatchImageSnapshot();52  });53});54const differencify = require('differenc

Using AI Code Generation

1const differencify = require('differencify');2const { mockWrite } = differencify;3const fs = require('fs');4const path = require('path');5const { expect } = require('chai');6mockWrite();7const { build } = require('gluegun');8describe('differencify', () => {9  let cli;10  beforeAll(async () => {11    cli = build()12      .brand('differencify')13      .src(__dirname)14      .plugins('./node_modules', { matching: 'differencify-*', hidden: true })15      .create();16  });17  it('takes a screenshot', async () => {18    const result = await cli.run(['screenshot']);19    expect(result).toEqual(0);20    expect(fs.existsSync(path.resolve(__dirname, 'test.png'))).toEqual(true);21  });22});23const { screenshot } = require('differencify');24module.exports = {25  run: async toolbox => {26    const { print } = toolbox;27    print.info('Taking screenshot');28    await screenshot({29    });30  },31};32{33  "scripts": {34  },35  "dependencies": {36  },37  "devDependencies": {38  }39}40module.exports = {41  testMatch: ['**/?(*.)+(spec|test).[jt]s?(x)'],42};

Using AI Code Generation

1const { mockWrite } = require('differencify')2mockWrite()3const differencify = require('differencify')4const { browser } = require('playwright')5const run = async () => {6  const page = await browser.newPage()7  await page.screenshot({ path: 'google.png' })8  await page.close()9}10run()11const { mockWrite } = require('differencify')12mockWrite()13const differencify = require('differencify')14const { browser } = require('playwright')15const run = async () => {16  const page = await browser.newPage()17  await page.screenshot({ path: 'google.png' })18  await page.close()19}20run()21const { mockWrite } = require('differencify')22mockWrite()23const differencify = require('differencify')24const { browser } = require('playwright')25const run = async () => {26  const page = await browser.newPage()27  await page.screenshot({ path: 'google.png' })28  await page.close()29}30run()31const { mockWrite } = require('differencify')32mockWrite()33const differencify = require('differencify')34const { browser } = require('playwright')35const run = async () => {36  const page = await browser.newPage()37  await page.screenshot({ path: 'google.png' })38  await page.close()39}40run()41const { mockWrite } = require('differencify')42mockWrite()43const differencify = require('differencify')44const { browser } = require('playwright')45const run = async () => {46  const page = await browser.newPage()

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