Initial import.

1 files changed, 134 insertions, 0 deletions

diff --git a/test/gtest_env_var_test.py b/test/gtest_env_var_test.py
new file mode 100755
index 00000000..64d17e85
--- /dev/null
+++ b/test/gtest_env_var_test.py
@@ -0,0 +1,134 @@
+#!/usr/bin/env python
+#
+# Copyright 2008, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Verifies that Google Test correctly parses environment variables."""
+
+__author__ = 'wan@google.com (Zhanyong Wan)'
+
+import gtest_test_utils
+import os
+import sys
+import unittest
+
+IS_WINDOWS = os.name == 'nt'
+IS_LINUX = os.name == 'posix'
+
+if IS_WINDOWS:
+  BUILD_DIRS = [
+      'build.dbg\\',
+      'build.opt\\',
+      'build.dbg8\\',
+      'build.opt8\\',
+      ]
+  COMMAND = 'gtest_env_var_test_.exe'
+
+if IS_LINUX:
+  COMMAND = os.path.join(gtest_test_utils.GetBuildDir(),
+                         'gtest_env_var_test_')
+
+
+def AssertEq(expected, actual):
+  if expected != actual:
+    print 'Expected: %s' % (expected,)
+    print '  Actual: %s' % (actual,)
+    raise AssertionError
+
+
+def SetEnvVar(env_var, value):
+  """Sets the env variable to 'value'; unsets it when 'value' is None."""
+
+  if value is not None:
+    os.environ[env_var] = value
+  elif env_var in os.environ:
+    del os.environ[env_var]
+
+
+def GetFlag(command, flag):
+  """Runs gtest_env_var_test_ and returns its output."""
+
+  cmd = command
+  if flag is not None:
+    cmd += ' %s' % (flag,)
+  stdin, stdout = os.popen2(cmd, 'b')
+  stdin.close()
+  line = stdout.readline()
+  stdout.close()
+  return line
+
+
+def TestFlag(command, flag, test_val, default_val):
+  """Verifies that the given flag is affected by the corresponding env var."""
+
+  env_var = 'GTEST_' + flag.upper()
+  SetEnvVar(env_var, test_val)
+  AssertEq(test_val, GetFlag(command, flag))
+  SetEnvVar(env_var, None)
+  AssertEq(default_val, GetFlag(command, flag))
+
+
+def TestEnvVarAffectsFlag(command):
+  """An environment variable should affect the corresponding flag."""
+
+  TestFlag(command, 'break_on_failure', '1', '0')
+  TestFlag(command, 'color', 'yes', 'auto')
+  TestFlag(command, 'filter', 'FooTest.Bar', '*')
+  TestFlag(command, 'output', 'tmp/foo.xml', '')
+  TestFlag(command, 'repeat', '999', '1')
+
+  if IS_WINDOWS:
+    TestFlag(command, 'catch_exceptions', '1', '0')
+  if IS_LINUX:
+    TestFlag(command, 'stack_trace_depth', '0', '100')
+    TestFlag(command, 'death_test_style', 'thread-safe', 'fast')
+
+
+if IS_WINDOWS:
+
+  def main():
+    for build_dir in BUILD_DIRS:
+      command = build_dir + COMMAND
+      print 'Testing with %s . . .' % (command,)
+      TestEnvVarAffectsFlag(command)
+    return 0
+
+  if __name__ == '__main__':
+    main()
+
+
+if IS_LINUX:
+
+  class GTestEnvVarTest(unittest.TestCase):
+    def testEnvVarAffectsFlag(self):
+      TestEnvVarAffectsFlag(COMMAND)
+
+
+  if __name__ == '__main__':
+    gtest_test_utils.Main()