Fixed two of the failing tests mentioned in issue 9

test/gtest_test_utils.py

@@ -116,6 +116,31 @@ def GetExitStatus(exit_code):
       return -1
 
 
+def RunCommandSuppressOutput(command, working_dir=None):
+  """Changes into a specified directory, if provided, and executes a command.
+  Restores the old directory afterwards.
+
+  Args:
+    command: A command to run.
+    working_dir: A directory to change into.
+  """
+
+  old_dir = None
+  try:
+    if working_dir is not None:
+      old_dir = os.getcwd()
+      os.chdir(working_dir)
+    f = os.popen(command, 'r')
+    f.read()
+    ret_code = f.close()
+  finally:
+    if old_dir is not None:
+      os.chdir(old_dir)
+  if ret_code is None:
+    ret_code = 0
+  return ret_code
+
+
 def Main():
   """Runs the unit test."""
 

test/gtest_xml_outfiles_test.py

@@ -100,9 +100,10 @@ class GTestXMLOutFilesTest(gtest_xml_test_utils.GTestXMLTestCase):
   def _TestOutFile(self, test_name, expected_xml):
     gtest_prog_path = os.path.join(gtest_test_utils.GetBuildDir(),
                                    test_name)
-    command = "cd %s && %s --gtest_output=xml:%s &> /dev/null" % (
-        tempfile.mkdtemp(), gtest_prog_path, self.output_dir_)
-    status = os.system(command)
+    command = "%s --gtest_output=xml:%s" % (gtest_prog_path, self.output_dir_)
+    status = gtest_test_utils.RunCommandSuppressOutput(
+        command,
+        working_dir=tempfile.mkdtemp())
     self.assertEquals(0, gtest_test_utils.GetExitStatus(status))
 
     # TODO(wan@google.com): libtool causes the built test binary to be

test/gtest_xml_output_unittest.py

@@ -131,9 +131,9 @@ class GTestXMLOutputUnitTest(gtest_xml_test_utils.GTestXMLTestCase):
       if e.errno != errno.ENOENT:
         raise
 
-    status = os.system("cd %s && %s %s=xml &> /dev/null"
-                       % (temp_dir, gtest_prog_path,
-                          GTEST_OUTPUT_FLAG))
+    status = gtest_test_utils.RunCommandSuppressOutput(
+        "%s %s=xml" % (gtest_prog_path, GTEST_OUTPUT_FLAG),
+	working_dir=temp_dir)
     self.assertEquals(0, gtest_test_utils.GetExitStatus(status))
     self.assert_(os.path.isfile(output_file))
 
@@ -150,9 +150,8 @@ class GTestXMLOutputUnitTest(gtest_xml_test_utils.GTestXMLTestCase):
     gtest_prog_path = os.path.join(gtest_test_utils.GetBuildDir(),
                                    gtest_prog_name)
 
-    command = ("%s %s=xml:%s &> /dev/null"
-               % (gtest_prog_path, GTEST_OUTPUT_FLAG, xml_path))
-    status = os.system(command)
+    command = ("%s %s=xml:%s" % (gtest_prog_path, GTEST_OUTPUT_FLAG, xml_path))
+    status = gtest_test_utils.RunCommandSuppressOutput(command)
     if os.WIFSIGNALED(status):
       signal = os.WTERMSIG(status)
       self.assert_(False,