Run_test_case.py now returns 1 when at least 1 test fails.

tools/isolate/trace_test_cases_smoke_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium 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 json
 import logging
 import os
 import re
 import subprocess
 import sys
 import tempfile
 import unittest
 
 import trace_inputs
 
 FILE_PATH = os.path.realpath(unicode(os.path.abspath(__file__)))
 ROOT_DIR = os.path.dirname(FILE_PATH)
-TARGET_PATH = os.path.join(ROOT_DIR, 'data', 'gtest_fake', 'gtest_fake.py')
+TARGET_UTIL_PATH = os.path.join(ROOT_DIR, 'data', 'gtest_fake',
+                                'gtest_fake_base.py')
+TARGET_PATH = os.path.join(ROOT_DIR, 'data', 'gtest_fake', 'gtest_fake_fail.py')
 
 
 class TraceTestCases(unittest.TestCase):
   def setUp(self):
     self.temp_file = None
 
     self.initial_cwd = ROOT_DIR
     if sys.platform == 'win32':
       # Windows has no kernel mode concept of current working directory.
       self.initial_cwd = None
@@ skipping 26 matching lines @@
         u'root': {
           u'children': [],
           u'command': [
             self.executable,
             TARGET_PATH,
             u'--gtest_filter=%s' % test_case,
           ],
           u'executable': self.real_executable,
           u'files': [
             {
-              u'path': os.path.join(u'data', 'gtest_fake', 'gtest_fake.py'),
+              u'path': os.path.join(u'data', 'gtest_fake',
+                                    'gtest_fake_base.py'),
+              u'size': os.stat(TARGET_UTIL_PATH).st_size,
+            },
+            {
+              u'path': os.path.join(u'data', 'gtest_fake',
+                                    'gtest_fake_fail.py'),
               u'size': os.stat(TARGET_PATH).st_size,
             },
           ],
           u'initial_cwd': self.initial_cwd,
         },
       },
       u'valid': True,
       u'variables': {
         u'isolate_dependency_tracked': [
-          u'<(PRODUCT_DIR)/gtest_fake/gtest_fake.py',
+          u'<(PRODUCT_DIR)/gtest_fake/gtest_fake_base.py',
+          u'<(PRODUCT_DIR)/gtest_fake/gtest_fake_fail.py',
         ],
       },
     }
 
   def _strip_result(self, result):
     """Strips mutable information from a flattened test case Results."""
     self.assertTrue(result.pop('duration') > 0.)
     self.assertTrue(len(result.pop('output')) > 10)
     def strip_pid(proc):
       self.assertTrue(proc.pop('pid') > 100)
@@ skipping 59 matching lines @@
     # Trim off 'duration' and 'output', they don't have a constant value.
     for value in result.itervalues():
       self._strip_result(value)
     self.assertEquals(expected_json, result)
 
 
 if __name__ == '__main__':
   VERBOSE = '-v' in sys.argv
   logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
   unittest.main()