Moving the jest configuration from jest-react-native to react native.

Reviewed By: cpojer

Differential Revision: D3923609

fbshipit-source-id: 62804df81b064871b499ae8c091e13dd1e0f229b

jest/mockComponent.js

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+module.exports = moduleName => {
+  const RealComponent = require.requireActual(moduleName);
+  const React = require('react');
+
+  const Component = class extends RealComponent {
+    render() {
+      return React.createElement(
+        RealComponent.displayName || RealComponent.name,
+        this.props,
+        this.props.children,
+      );
+    }
+  };
+  return Component;
+};

jest/preprocessor.js

@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+const babel = require('babel-core');
+const babelRegisterOnly = require('../packager/babelRegisterOnly');
+const createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
+const path = require('path');
+const transformer = require('../packager/transformer.js');
+
+const nodeFiles = RegExp([
+  '/local-cli/',
+  '/packager/(?!react-packager/src/Resolver/polyfills/)',
+].join('|'));
+const nodeOptions = babelRegisterOnly.config([nodeFiles]);
+
+module.exports = {
+  process(src, file) {
+    // Don't transform node_modules, except react-tools which includes the
+    // untransformed copy of React
+    if (file.match(/node_modules\/(?!react-tools\/)/)) {
+      return src;
+    } else if (nodeFiles.test(file)) { // node specific transforms only
+      return babel.transform(
+        src, Object.assign({filename: file}, nodeOptions)).code;
+    }
+
+    return transformer.transform(src, file, {inlineRequires: true}).code;
+  },
+
+  getCacheKey: createCacheKeyFunction([
+    __filename,
+    path.join(__dirname, '../packager/transformer.js'),
+    require.resolve('babel-core/package.json'),
+  ]),
+};

jest/setup.js

@@ -0,0 +1,160 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+const mockComponent = require.requireActual('./mockComponent');
+
+require.requireActual('../packager/react-packager/src/Resolver/polyfills/babelHelpers.js');
+require.requireActual('../packager/react-packager/src/Resolver/polyfills/Object.es7.js');
+require.requireActual('../packager/react-packager/src/Resolver/polyfills/error-guard');
+
+global.__DEV__ = true;
+
+global.Promise = require.requireActual('promise');
+global.regeneratorRuntime = require.requireActual('regenerator-runtime/runtime');
+
+jest
+  .mock('npmlog');
+
+// there's a __mock__ for it.
+jest.setMock('ErrorUtils', require('ErrorUtils'));
+
+jest
+  .mock('ReactNativeDefaultInjection')
+  .mock('Image', () => mockComponent('Image'))
+  .mock('Text', () => mockComponent('Text'))
+  .mock('TextInput', () => mockComponent('TextInput'))
+  .mock('Modal', () => mockComponent('Modal'))
+  .mock('View', () => mockComponent('View'))
+  .mock('ScrollView', () => mockComponent('ScrollView'))
+  .mock(
+    'ActivityIndicator',
+    () => mockComponent('ActivityIndicator'),
+  )
+  .mock('ListView', () => {
+    const RealListView = require.requireActual('ListView');
+    const ListView = mockComponent('ListView');
+    ListView.prototype.render = RealListView.prototype.render;
+    return ListView;
+  })
+  .mock('ListViewDataSource', () => {
+    const DataSource = require.requireActual('ListViewDataSource');
+    DataSource.prototype.toJSON = function() {
+      function ListViewDataSource(dataBlob) {
+        this.items = 0;
+        // Ensure this doesn't throw.
+        try {
+          Object.keys(dataBlob).forEach(key => {
+            this.items += dataBlob[key] && dataBlob[key].length;
+          });
+        } catch (e) {
+          this.items = 'unknown';
+        }
+      }
+
+      return new ListViewDataSource(this._dataBlob);
+    };
+    return DataSource;
+  })
+  .mock('ensureComponentIsNative', () => () => true);
+
+const mockEmptyObject = {};
+const mockNativeModules = {
+  AlertManager: {
+    alertWithArgs: jest.fn(),
+  },
+  AsyncLocalStorage: {
+    clear: jest.fn(),
+    getItem: jest.fn(),
+    removeItem: jest.fn(),
+    setItem: jest.fn(),
+  },
+  BuildInfo: {
+    appVersion: '0',
+    buildVersion: '0',
+  },
+  Clipboard: {
+    setString: jest.fn(),
+  },
+  DataManager: {
+    queryData: jest.fn(),
+  },
+  FacebookSDK: {
+    login: jest.fn(),
+    logout: jest.fn(),
+    queryGraphPath: jest.fn((path, method, params, callback) => callback()),
+  },
+  FbRelayNativeAdapter: {
+    updateCLC: jest.fn(),
+  },
+  GraphPhotoUpload: {
+    upload: jest.fn(),
+  },
+  I18n: {
+    translationsDictionary: JSON.stringify({
+      'Good bye, {name}!|Bye message': '\u{00A1}Adi\u{00F3}s {name}!',
+    }),
+  },
+  ImageLoader: {
+    getSize: jest.fn(
+      (uri, success) => process.nextTick(() => success(320, 240))
+    ),
+    prefetchImage: jest.fn(),
+  },
+  ImageViewManager: {
+    getSize: jest.fn(
+      (uri, success) => process.nextTick(() => success(320, 240))
+    ),
+    prefetchImage: jest.fn(),
+  },
+  ModalFullscreenViewManager: {},
+  SourceCode: {
+    scriptURL: null,
+  },
+  Timing: {
+    createTimer: jest.fn(),
+    deleteTimer: jest.fn(),
+  },
+  UIManager: {
+    customBubblingEventTypes: {},
+    customDirectEventTypes: {},
+    Dimensions: {
+      window: {
+        fontScale: 2,
+        height: 1334,
+        scale: 2,
+        width: 750,
+      },
+    },
+    RCTModalFullscreenView: {
+      Constants: {},
+    },
+    RCTScrollView: {
+      Constants: {},
+    },
+    RCTView: {
+      Constants: {},
+    },
+  },
+};
+
+Object.keys(mockNativeModules).forEach(module => {
+  try {
+    jest.doMock(module, () => mockNativeModules[module]); // needed by FacebookSDK-test
+  } catch (e) {
+    jest.doMock(module, () => mockNativeModules[module], {virtual: true});
+  }
+});
+
+jest
+  .doMock('NativeModules', () => mockNativeModules)
+  .doMock('ReactNativePropRegistry', () => ({
+    register: id => id,
+    getByID: () => mockEmptyObject,
+  }));