tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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googletest-env-var-test.py (4152B)

      1 #!/usr/bin/env python
      2 #
      3 # Copyright 2008, Google Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions are
      8 # met:
      9 #
     10 #     * Redistributions of source code must retain the above copyright
     11 # notice, this list of conditions and the following disclaimer.
     12 #     * Redistributions in binary form must reproduce the above
     13 # copyright notice, this list of conditions and the following disclaimer
     14 # in the documentation and/or other materials provided with the
     15 # distribution.
     16 #     * Neither the name of Google Inc. nor the names of its
     17 # contributors may be used to endorse or promote products derived from
     18 # this software without specific prior written permission.
     19 #
     20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31 
     32 """Verifies that Google Test correctly parses environment variables."""
     33 
     34 import os
     35 import gtest_test_utils
     36 
     37 
     38 IS_WINDOWS = os.name == 'nt'
     39 IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
     40 
     41 COMMAND = gtest_test_utils.GetTestExecutablePath('googletest-env-var-test_')
     42 
     43 environ = os.environ.copy()
     44 
     45 
     46 def AssertEq(expected, actual):
     47  if expected != actual:
     48    print('Expected: %s' % (expected,))
     49    print('  Actual: %s' % (actual,))
     50    raise AssertionError
     51 
     52 
     53 def SetEnvVar(env_var, value):
     54  """Sets the env variable to 'value'; unsets it when 'value' is None."""
     55 
     56  if value is not None:
     57    environ[env_var] = value
     58  elif env_var in environ:
     59    del environ[env_var]
     60 
     61 
     62 def GetFlag(flag):
     63  """Runs googletest-env-var-test_ and returns its output."""
     64 
     65  args = [COMMAND]
     66  if flag is not None:
     67    args += [flag]
     68  return gtest_test_utils.Subprocess(args, env=environ).output
     69 
     70 
     71 def TestFlag(flag, test_val, default_val):
     72  """Verifies that the given flag is affected by the corresponding env var."""
     73 
     74  env_var = 'GTEST_' + flag.upper()
     75  SetEnvVar(env_var, test_val)
     76  AssertEq(test_val, GetFlag(flag))
     77  SetEnvVar(env_var, None)
     78  AssertEq(default_val, GetFlag(flag))
     79 
     80 
     81 class GTestEnvVarTest(gtest_test_utils.TestCase):
     82 
     83  def testEnvVarAffectsFlag(self):
     84    """Tests that environment variable should affect the corresponding flag."""
     85 
     86    TestFlag('break_on_failure', '1', '0')
     87    TestFlag('color', 'yes', 'auto')
     88    SetEnvVar('TESTBRIDGE_TEST_RUNNER_FAIL_FAST', None)  # For 'fail_fast' test
     89    TestFlag('fail_fast', '1', '0')
     90    TestFlag('filter', 'FooTest.Bar', '*')
     91    SetEnvVar('XML_OUTPUT_FILE', None)  # For 'output' test
     92    TestFlag('output', 'xml:tmp/foo.xml', '')
     93    TestFlag('brief', '1', '0')
     94    TestFlag('print_time', '0', '1')
     95    TestFlag('repeat', '999', '1')
     96    TestFlag('throw_on_failure', '1', '0')
     97    TestFlag('death_test_style', 'threadsafe', 'fast')
     98    TestFlag('catch_exceptions', '0', '1')
     99 
    100    if IS_LINUX:
    101      TestFlag('death_test_use_fork', '1', '0')
    102      TestFlag('stack_trace_depth', '0', '100')
    103 
    104 
    105  def testXmlOutputFile(self):
    106    """Tests that $XML_OUTPUT_FILE affects the output flag."""
    107 
    108    SetEnvVar('GTEST_OUTPUT', None)
    109    SetEnvVar('XML_OUTPUT_FILE', 'tmp/bar.xml')
    110    AssertEq('xml:tmp/bar.xml', GetFlag('output'))
    111 
    112  def testXmlOutputFileOverride(self):
    113    """Tests that $XML_OUTPUT_FILE is overridden by $GTEST_OUTPUT."""
    114 
    115    SetEnvVar('GTEST_OUTPUT', 'xml:tmp/foo.xml')
    116    SetEnvVar('XML_OUTPUT_FILE', 'tmp/bar.xml')
    117    AssertEq('xml:tmp/foo.xml', GetFlag('output'))
    118 
    119 if __name__ == '__main__':
    120  gtest_test_utils.Main()