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Installation

Install with yarn or npm:

yarn add -D @rws-air/jestscreenshot @types/jest-environment-puppeteer jest-circus jest-environment-puppeteer

Usage

const JestScreenshot = require('@rws-air/jestscreenshot');

About automated Slack uploading

This library supports uploading your screenshots to Slack by providing the SLACK_WEBTOKEN environment variable, or, through the slackToken option. You will also nede to provide the Slack Channel ID(s) through the option slackChannels and setting slackUpload option to true.

Example

Please note that you cannot use ES module imports in the jest-enviroment.ts file. Jest does not support them.

// jest.config.js

module.exports = {
  testRunner: 'jest-circus/runner',
  testEnvironment: '<rootDir>/__tests__/jest-environment.js',

  testMatch: ['<rootDir>/__tests__/index.test.ts'],

  globalSetup: 'jest-environment-puppeteer/setup',
  globalTeardown: 'jest-environment-puppeteer/teardown',
  setupFilesAfterEnv: ['expect-puppeteer', '<rootDir>/__tests__/jest-framework.ts']
};

// jest-framework.ts

jest.retryTimes(2);

// jest-environment.ts

/* eslint-disable @typescript-eslint/no-var-requires, @typescript-eslint/no-require-imports, @typescript-eslint/explicit-member-accessibility */
const PuppeteerEnvironment = require('jest-environment-puppeteer');
const JestScreenshot = require('@rws-air/jestscreenshot');
require('jest-circus');

const retryAttempts = process.env.RETRY_ATTEMPTS || 2;

// @ts-ignore
class CustomEnvironment extends PuppeteerEnvironment {
  async setup() {
    await super.setup();

    if (!process.env.CI) await this.localSetup();
  }

  async teardown() {
    // @ts-ignore
    await this.global.page.waitFor(2000);
    await super.teardown();
  }

  async handleTestEvent(event, state) {
    if (event.name === 'test_fn_failure') {
      if (state.currentlyRunningTest.invocations > retryAttempts) {
        const testName = state.currentlyRunningTest.name;
        const jestScreenshot = new JestScreenshot({
          page: this.global.page,
          dirName: __dirname,
          testName,
          slackChannels: ['ChannelID'],
          slackUpload: true
        });

        await jestScreenshot.setup();
      }
    }
  }
}

module.exports = CustomEnvironment;

API Documentation

Check out the docs on github pages