Modify devserver and gmerge to be friendlier

builder_test.py

+#!/usr/bin/python
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+import subprocess
+import unittest
+
+import builder
+
+
+class BuilderTest(unittest.TestCase):
+  def testOutputOf(self):
+    self.assertRaises(subprocess.CalledProcessError,
+                      builder._OutputOf, ['/bin/false'])
+
+    hello = 'hello, world'
+    self.assertEqual(hello + '\n',
+                     builder._OutputOf(['/bin/echo', hello]))
+
+
+if __name__ == '__main__':
+  unittest.main()