Run tests for all packages and example projects

Summary: Closes jestjs#822

Differential Revision: D3104247

fb-gh-sync-id: 4513775f0b824084b9ab1f730af73b31d758c39b
fbshipit-source-id: 4513775f0b824084b9ab1f730af73b31d758c39b

Author: Dmitrii Abramov

.travis.yml

@@ -3,3 +3,4 @@ node_js:
   - "4"
   - "5"
 sudo: false
+before_install: npm i -g npm@latest

examples/getting_started/package.json

@@ -1,5 +1,8 @@
 {
+  "devDependencies": {
+    "jest-cli": "*"
+  },
   "scripts": {
-    "test": "node ../../bin/jest.js"
+    "test": "jest"
   }
 }

examples/manual_mocks/package.json

@@ -1,5 +1,8 @@
 {
+  "devDependencies": {
+    "jest-cli": "*"
+  },
   "scripts": {
-    "test": "node ../../bin/jest.js"
+    "test": "jest"
   }
 }

examples/timer/package.json

@@ -1,5 +1,8 @@
 {
+  "devDependencies": {
+    "jest-cli": "*"
+  },
   "scripts": {
-    "test": "node ../../bin/jest.js"
+    "test": "jest"
   }
 }

examples/tutorial/package.json

@@ -1,8 +1,11 @@
 {
+  "devDependencies": {
+    "jest-cli": "*"
+  },
   "dependencies": {
     "jquery": "*"
   },
   "scripts": {
-    "test": "node ../../bin/jest.js"
+    "test": "jest"
   }
 }

examples/typescript/package.json

@@ -4,11 +4,12 @@
     "react-dom": "*"
   },
   "devDependencies": {
+    "jest-cli": "*",
     "react-addons-test-utils": "*",
     "typescript": ">=1.6.2"
   },
   "scripts": {
-    "test": "node ../../bin/jest.js"
+    "test": "jest"
   },
   "jest": {
     "scriptPreprocessor": "<rootDir>/preprocessor.js",

package.json

@@ -45,7 +45,7 @@
     "lint": "eslint .",
     "postinstall": "node postinstall.js",
     "prepublish": "npm test",
-    "test": "npm run lint && node bin/jest.js && npm run jasmine1"
+    "test": "npm run lint && node bin/jest.js && npm run jasmine1 && npm link --ignore-scripts && node ./run_tests.js"
   },
   "jest": {
     "rootDir": "src",

packages/babel-plugin-jest-hoist/package.json

@@ -10,14 +10,13 @@
   "devDependencies": {
     "babel-jest": "*",
     "babel-preset-es2015": "*",
-    "jest-cli": "*",
     "react": "^0.14.0"
   },
   "jest": {
-    "testEnvironment": "<rootDir>/node_modules/jest-cli/src/environments/NodeEnvironment"
+    "testEnvironment": "<rootDir>/../../src/environments/NodeEnvironment"
   },
   "scripts": {
     "prepublish": "npm test",
-    "test": "jest"
+    "test": "../../bin/jest.js"
   }
 }

packages/jest-mock/package.json

@@ -7,5 +7,7 @@
   },
   "license": "BSD-3-Clause",
   "main": "src/index.js",
-  "dependencies": {}
+  "scripts": {
+    "test": "../../bin/jest.js"
+  }
 }

run_tests.js

@@ -0,0 +1,71 @@
+/**
+ * Copyright (c) 2014, 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.
+ */
+
+/**
+ * This script runs tests for all packages in `./packages` and
+ * example projects in `./examples`.
+ */
+
+const fs = require('graceful-fs');
+const path = require('path');
+const chalk = require('chalk');
+const execSync = require('child_process').execSync;
+
+const PACKAGES_DIR = './packages';
+const EXAMPLES_DIR = './examples';
+
+const packages = fs.readdirSync(PACKAGES_DIR)
+  .map(file => path.resolve(PACKAGES_DIR, file))
+  .filter(f => fs.lstatSync(path.resolve(f)).isDirectory());
+
+const examples = fs.readdirSync(EXAMPLES_DIR)
+  .map(file => path.resolve(EXAMPLES_DIR, file))
+  .filter(f => fs.lstatSync(path.resolve(f)).isDirectory());
+
+function runCommands(commands, cwd) {
+  commands = [].concat(commands);
+  commands.forEach(cmd => {
+    console.log(chalk.green('-> ') + chalk.underline.bold('running:') +
+      ' ' + chalk.bold.cyan(cmd));
+    execSync(cmd, {
+      cwd,
+      stdio: [0, 1, 2],
+    });
+  });
+}
+
+packages.forEach(cwd => {
+  console.log(chalk.bold(chalk.cyan('Testing package: ') + cwd));
+  runCommands('npm test', cwd);
+});
+
+examples.forEach(cwd => {
+  console.log(chalk.bold(chalk.cyan('Testing example: ') + cwd));
+
+  runCommands([
+    'npm update',
+    'rm -rf ./node_modules/jest-cli',
+    'mkdir -p ./node_modules/jest-cli',
+    'mkdir -p ./node_modules/.bin',
+  ], cwd);
+
+  // Using `npm link jest-cli` can create problems with module resolution,
+  // so instead of this we'll create an `index.js` file that will export the
+  // local `jest-cli` package.
+  fs.writeFileSync(
+    path.resolve(cwd, './node_modules/jest-cli/index.js'),
+    `module.exports = require('../../../../');\n`, // link to the local jest
+    'utf8'
+  );
+
+  // overwrite the jest link and point it to the local jest-cli
+  runCommands(
+    ['ln -sf ../../bin/jest.js ./node_modules/.bin/jest', 'npm test'],
+    cwd
+  );
+});