jmd-scripts/dist/scripts/__tests__/test.js

CLI for common scripts for my projects

"use strict";

var _jestInCase = _interopRequireDefault(require("jest-in-case"));

var _serializers = require("./helpers/serializers");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

jest.mock('jest', () => ({
  run: jest.fn()
}));
jest.mock('../../config/jest.config', () => ({
  builtInConfig: true
}));
let mockIsCI = false;
jest.mock('is-ci', () => mockIsCI);
expect.addSnapshotSerializer(_serializers.unquoteSerializer);
(0, _jestInCase.default)('test', ({
  args = [],
  utils = require('../../utils'),
  pkgHasJestProp = false,
  hasJestConfigFile = false,
  setup = () => () => {},
  ci = false,
  precommit = 'false'
}) => {
  // beforeEach
  // eslint-disable-next-line jest/no-jest-import
  const {
    run: jestRunMock
  } = require('jest');

  const originalArgv = process.argv;
  const prevCI = mockIsCI;
  const prevPrecommit = process.env.SCRIPTS_PRECOMMIT;
  mockIsCI = ci;
  process.env.SCRIPTS_PRECOMMIT = precommit;
  Object.assign(utils, {
    hasPkgProp: () => pkgHasJestProp,
    hasFile: () => hasJestConfigFile
  });
  process.exit = jest.fn();
  const teardown = setup();
  process.argv = ['node', '../test', ...args];
  jestRunMock.mockClear();

  try {
    // tests
    require('../test');

    expect(jestRunMock).toHaveBeenCalledTimes(1);
    const [firstCall] = jestRunMock.mock.calls;
    const [jestArgs] = firstCall;
    expect(jestArgs.join(' ')).toMatchSnapshot();
  } catch (error) {
    throw error;
  } finally {
    teardown(); // afterEach

    process.argv = originalArgv;
    mockIsCI = prevCI;
    process.env.SCRIPTS_PRECOMMIT = prevPrecommit;
    jest.resetModules();
  }
}, {
  'calls jest.run with default args': {},
  'does not watch on CI': {
    ci: true
  },
  'does not watch on SCRIPTS_PRECOMMIT': {
    precommit: 'true'
  },
  'does not watch with --no-watch': {
    args: ['--no-watch']
  },
  'does not watch with --coverage': {
    args: ['--coverage']
  },
  'does not watch --updateSnapshot': {
    args: ['--updateSnapshot']
  },
  'uses custom config with --config': {
    args: ['--config', './my-config.js']
  },
  'uses custom config with jest prop in pkg': {
    pkgHasJestProp: true
  },
  'uses custom config with jest.config.js file': {
    hasJestConfigFile: true
  },
  'forwards args': {
    args: ['--coverage', '--watch']
  }
});