Added jest-repl test (jestjs#1198)

- Fixed bug in jest-runtime test
- Fixed linter errors

packages/jest-repl/src/__tests__/jest-repl-test.js

@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2014-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.
+ *
+ * @emails oncall+jsinfra
+ */
+'use strict';
+
+const spawnSync = require('child_process').spawnSync;
+const path = require('path');
+
+const JEST_RUNTIME = path.resolve(__dirname, '../../bin/jest-repl.js');
+
+jest.disableAutomock();
+
+describe('Repl', () => {
+  describe('cli', () => {
+    it('runs without errors', () => {
+      const output = spawnSync(JEST_RUNTIME, [], {
+        encoding: 'utf8',
+        cwd: process.cwd(),
+        env: process.env,
+      });
+      const expectedRegex = new RegExp([
+        'Using Jest Runtime v([0-9]+.[0-9]+.[0-9]+), ',
+        'Jest REPL v([0-9]+.[0-9]+.[0-9]+)',
+      ].join(''));
+      expect(output.stdout.trim()).toMatch(expectedRegex);
+    });
+  });
+});

packages/jest-repl/src/cli/repl.js

@@ -38,7 +38,7 @@ const evalCommand = (cmd, context, filename, callback, config) => {
     return callback(isRecoverableError(e) ? new repl.Recoverable(e) : e);
   }
   return callback(null, result);
-}
+};
 
 const isRecoverableError = error => {
   if (error && error.name === 'SyntaxError') {
@@ -51,7 +51,7 @@ const isRecoverableError = error => {
     ].some(exception => error.message.includes(exception));
   }
   return false;
-}
+};
 
 if (jestConfig.scriptPreprocessor) {
   /* $FlowFixMe */

packages/jest-runtime/src/__tests__/Runtime-cli-test.js

@@ -36,7 +36,7 @@ describe('Runtime', () => {
         cwd: process.cwd(),
         env: process.env,
       });
-      expect(output.stdout.trim()).toBe('Hello, world!');
+      expect(output.stdout.trim()).toMatch('Hello, world!');
     });
 
     it('throws script errors', () => {