Use Meta-specific renderers when running tests in Meta infra (#47705)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/47705

Changelog: [internal]

Reviewed By: sammy-SC

Differential Revision: D66094272

fbshipit-source-id: 25c0bc2d9e68ed1f4ede9dc5f0470a530b5db7d0

jest/integration/config/hasteImpl.js

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+const crypto = require('crypto');
+const fs = require('fs');
+
+module.exports = {
+  getHasteName(filePath) {
+    if (filePath.endsWith('ReactNativeInternalFeatureFlags.js')) {
+      return 'ReactNativeInternalFeatureFlags';
+    }
+
+    return null;
+  },
+
+  getCacheKey() {
+    return crypto
+      .createHash('sha1')
+      .update(fs.readFileSync(__filename))
+      .digest('hex');
+  },
+};

jest/integration/config/metro.config.js

@@ -23,18 +23,27 @@ const config = {
     update: () => {},
   },
   resolver: {
-    blockList: null,
-    sourceExts: [...rnTesterConfig.resolver.sourceExts, 'fb.js'],
+    blockList: /\/RendererProxy\.fb\.js$/, // Disable dependency injection for the renderer
+    disableHierarchicalLookup: !!process.env.JS_DIR,
+    sourceExts: ['fb.js', ...rnTesterConfig.resolver.sourceExts],
     nodeModulesPaths: process.env.JS_DIR
       ? [path.join(process.env.JS_DIR, 'public', 'node_modules')]
       : [],
+    hasteImplModulePath: path.resolve(__dirname, 'hasteImpl.js'),
   },
   transformer: {
     // We need to wrap the default transformer so we can run it from source
     // using babel-register.
     babelTransformerPath: path.resolve(__dirname, 'metro-babel-transformer.js'),
   },
-  watchFolders: process.env.JS_DIR ? [process.env.JS_DIR] : [],
+  watchFolders: process.env.JS_DIR
+    ? [
+        path.join(process.env.JS_DIR, 'RKJSModules', 'vendor', 'react'),
+        path.join(process.env.JS_DIR, 'tools', 'metro'),
+        path.join(process.env.JS_DIR, 'node_modules'),
+        path.join(process.env.JS_DIR, 'public', 'node_modules'),
+      ]
+    : [],
 };
 
 module.exports = mergeConfig(rnTesterConfig, config);

jest/integration/runner/runner.js

@@ -92,8 +92,8 @@ module.exports = async function runTest(
   const setupModulePath = path.resolve(__dirname, '../runtime/setup.js');
 
   const entrypointContents = entrypointTemplate({
-    testPath: `.${path.sep}${path.relative(BUILD_OUTPUT_PATH, testPath)}`,
-    setupModulePath: `.${path.sep}${path.relative(BUILD_OUTPUT_PATH, setupModulePath)}`,
+    testPath: `${path.relative(BUILD_OUTPUT_PATH, testPath)}`,
+    setupModulePath: `${path.relative(BUILD_OUTPUT_PATH, setupModulePath)}`,
   });
 
   const entrypointPath = path.join(

jest/integration/runtime/mocks/ReactNativeInternalFeatureFlags.js

@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ * @oncall react_native
+ */
+
+// Left intentionally empty. All flags are assumed to be false.