React test suite addition attempt 2

package.json

@@ -12,7 +12,9 @@
     "pretest": "npm run flow && eslint src test",
     "test": "jest",
     "tdd": "jest --watch",
-    "flow": "flow"
+    "flow": "flow",
+    "test:react-dom":
+      "jest --config ./scripts/jest/config.react-dom-test-suite.js"
   },
   "lint-staged": {
     "src/**/*.{js}": ["eslint"],

scripts/clone-react-dom-test-suite/index.js

@@ -0,0 +1,12 @@
+const { clone } = require('./utils');
+
+const repoURL = 'git@github.com:facebook/react.git';
+const clonePath = './test/react-test-suite';
+console.log('Cloning...');
+clone(repoURL, clonePath)
+  .then(() => {
+    console.log('cloned');
+  })
+  .catch(e => {
+    console.log('Cloning failed');
+  });

scripts/clone-react-dom-test-suite/utils.js

@@ -0,0 +1,18 @@
+const { exec } = require('child_process');
+const { transform } = require('babel-core');
+
+module.exports.clone = function(url, dirname) {
+  return new Promise((resolve, reject) => {
+    exec(`git clone --depth 1 ${url} ${dirname}`, error => {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(error);
+      }
+    });
+  });
+};
+
+module.exports.silenceTests = filter => {
+  babel;
+};

scripts/jest/config.react-dom-test-suite.js

@@ -0,0 +1,32 @@
+// const packageJSON = require('../../package.json');
+// module.exports = Object.assign(
+//   {},
+//   // packageJSON.jest,
+//   {
+//     transform:{
+//       '.*': require.resolve('./preprocess.react-test-suite.js')
+//     },
+//     setupFiles: ['./test/setup.js'],
+//     moduleNameMapper: {
+//       'react-dom': '<rootDir>/lib/index.js',
+//     },
+//     testRegex:
+//       'test/react-test-suite/packages/react-dom/src/__tests__/.*\\.js$',
+//     rootDir: process.cwd(),
+//     roots: ['<rootDir>/test/react-test-suite/packages'],
+//   },
+// );
+
+const reactJestSourceConfig = require('../../test/react-test-suite/scripts/jest/config.source.js');
+
+module.exports = Object.assign({}, reactJestSourceConfig, {
+  modulePathIgnorePatterns: [
+    '<rootDir>/test/react-test-suite/scripts/rollup/shims/',
+    '<rootDir>/test/react-test-suite/scripts/bench/',
+  ],
+  moduleNameMapper: {
+    'react-dom': '<rootDir>/lib/index.js',
+  },
+  testRegex: '/react-dom/src/__tests__/[^/]*(\\.js)$',
+  roots: ['<rootDir>/test/react-test-suite/packages'],
+});

scripts/jest/preprocess.react-test-suite.js

@@ -0,0 +1,25 @@
+const babel = require('babel-core');
+const path = require('path');
+
+const babelOptions = {
+  plugins: [
+    // For Node environment only. For builds, Rollup takes care of ESM.
+    require.resolve('babel-plugin-transform-es2015-modules-commonjs'),
+    require.resolve('babel-plugin-transform-react-jsx-source'),
+    require.resolve('babel-plugin-transform-async-to-generator'),
+  ],
+  retainLines: true,
+};
+
+module.exports = {
+  process: function(src, filePath) {
+    const isTestFile = !!filePath.match(/\/__tests__\//);
+    return babel.transform(
+      src,
+      Object.assign(
+        { filename: path.relative(process.cwd(), filePath) },
+        babelOptions,
+      ),
+    ).code;
+  },
+};