diff options
Diffstat (limited to 'test')
| -rwxr-xr-x | test/run_tests_test.py | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/test/run_tests_test.py b/test/run_tests_test.py new file mode 100755 index 00000000..75b7d9d2 --- /dev/null +++ b/test/run_tests_test.py @@ -0,0 +1,527 @@ +#!/usr/bin/env python +# +# Copyright 2009 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. + +"""Tests for run_tests.py test runner script.""" + +__author__ = 'vladl@google.com (Vlad Losev)' + +import os +import sys +import unittest + +sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), os.pardir)) +import run_tests + + +class FakePath(object): + """A fake os.path module for testing.""" + + def __init__(self, current_dir=os.getcwd(), known_paths=None): + self.current_dir = current_dir + self.tree = {} + self.path_separator = os.sep + + if known_paths: + self._AddPaths(known_paths) + + def _AddPath(self, path): + ends_with_slash = path.endswith('/') + path = self.abspath(path) + if ends_with_slash: + path += self.path_separator + name_list = path.split(self.path_separator) + tree = self.tree + for name in name_list[:-1]: + if not name: + continue + if name in tree: + tree = tree[name] + else: + tree[name] = {} + tree = tree[name] + + name = name_list[-1] + if name: + if name in tree: + assert tree[name] == 1 + else: + tree[name] = 1 + + def _AddPaths(self, paths): + for path in paths: + self._AddPath(path) + + def PathElement(self, path): + """Returns an internal representation of directory tree entry for path.""" + tree = self.tree + name_list = self.abspath(path).split(self.path_separator) + for name in name_list: + if not name: + continue + tree = tree.get(name, None) + if tree is None: + break + + return tree + + def abspath(self, path): + return os.path.normpath(os.path.join(self.current_dir, path)) + + def isfile(self, path): + return self.PathElement(self.abspath(path)) == 1 + + def isdir(self, path): + return type(self.PathElement(self.abspath(path))) == type(dict()) + + def basename(self, path): + return os.path.basename(path) + + def dirname(self, path): + return os.path.dirname(path) + + def join(self, *kargs): + return os.path.join(*kargs) + + +class FakeOs(object): + """A fake os module for testing.""" + P_WAIT = os.P_WAIT + + def __init__(self, fake_path_module): + self.path = fake_path_module + + # Some methods/attributes are delegated to the real os module. + self.environ = os.environ + + def listdir(self, path): + assert self.path.isdir(path) + return self.path.PathElement(path).iterkeys() + + def spawn(self, wait, executable, *kargs): + assert wait == FakeOs.P_WAIT + return self.spawn_impl(executable, kargs) + + +class GetTestsToRunTest(unittest.TestCase): + """Exercises TestRunner.GetTestsToRun.""" + + def AssertResultsEqual(self, results, expected): + """Asserts results returned by GetTestsToRun equal to expected results.""" + + def NormalizeResultPaths(paths): + """Normalizes values returned by GetTestsToRun for comparison.""" + + def NormalizeResultPair(pair): + return (os.path.normpath(pair[0]), os.path.normpath(pair[1])) + + return (sorted(map(NormalizeResultPair, paths[0])), + sorted(map(NormalizeResultPair, paths[1]))) + + self.assertEqual(NormalizeResultPaths(results), + NormalizeResultPaths(expected), + 'Incorrect set of tests %s returned vs %s expected' % + (results, expected)) + + def setUp(self): + self.fake_os = FakeOs(FakePath( + current_dir=os.path.abspath(os.path.dirname(run_tests.__file__)), + known_paths=['scons/build/dbg/scons/gtest_unittest', + 'scons/build/opt/scons/gtest_unittest', + 'test/gtest_color_test.py'])) + self.fake_configurations = ['dbg', 'opt'] + self.test_runner = run_tests.TestRunner(injected_os=self.fake_os, + injected_subprocess=None) + + def testBinaryTestsOnly(self): + """Exercises GetTestsToRun with parameters designating binary tests only.""" + + # A default build. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest'], + '', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # An explicitly specified directory. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_unittest'], + '', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # A particular configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest'], + 'other', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/other/scons', + 'scons/build/other/scons/gtest_unittest')])) + + # All available configurations + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest'], + 'all', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest'), + ('scons/build/opt/scons', 'scons/build/opt/scons/gtest_unittest')])) + + # All built configurations (unbuilt don't cause failure). + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest'], + '', + True, + available_configurations=self.fake_configurations + ['unbuilt']), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest'), + ('scons/build/opt/scons', 'scons/build/opt/scons/gtest_unittest')])) + + # A combination of an explicit directory and a configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_unittest'], + 'opt', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest'), + ('scons/build/opt/scons', 'scons/build/opt/scons/gtest_unittest')])) + + # Same test specified in an explicit directory and via a configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_unittest'], + 'dbg', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # All built configurations + explicit directory + explicit configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_unittest'], + 'opt', + True, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest'), + ('scons/build/opt/scons', 'scons/build/opt/scons/gtest_unittest')])) + + def testPythonTestsOnly(self): + """Exercises GetTestsToRun with parameters designating Python tests only.""" + + # A default build. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_color_test.py'], + '', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [])) + + # An explicitly specified directory. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'test/gtest_color_test.py'], + '', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [])) + + # A particular configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_color_test.py'], + 'other', + False, + available_configurations=self.fake_configurations), + ([('scons/build/other/scons', 'test/gtest_color_test.py')], + [])) + + # All available configurations + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['test/gtest_color_test.py'], + 'all', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py'), + ('scons/build/opt/scons', 'test/gtest_color_test.py')], + [])) + + # All built configurations (unbuilt don't cause failure). + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_color_test.py'], + '', + True, + available_configurations=self.fake_configurations + ['unbuilt']), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py'), + ('scons/build/opt/scons', 'test/gtest_color_test.py')], + [])) + + # A combination of an explicit directory and a configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_color_test.py'], + 'opt', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py'), + ('scons/build/opt/scons', 'test/gtest_color_test.py')], + [])) + + # Same test specified in an explicit directory and via a configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_color_test.py'], + 'dbg', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [])) + + # All built configurations + explicit directory + explicit configuration. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['scons/build/dbg/scons', 'gtest_color_test.py'], + 'opt', + True, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py'), + ('scons/build/opt/scons', 'test/gtest_color_test.py')], + [])) + + def testCombinationOfBinaryAndPythonTests(self): + """Exercises GetTestsToRun with mixed binary/Python tests.""" + + # Use only default configuration for this test. + + # Neither binary nor Python tests are specified so find all. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + [], + '', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # Specifying both binary and Python tests. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest', 'gtest_color_test.py'], + '', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # Specifying binary tests suppresses Python tests. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_unittest'], + '', + False, + available_configurations=self.fake_configurations), + ([], + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')])) + + # Specifying Python tests suppresses binary tests. + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + ['gtest_color_test.py'], + '', + False, + available_configurations=self.fake_configurations), + ([('scons/build/dbg/scons', 'test/gtest_color_test.py')], + [])) + + def testIgnoresNonTestFiles(self): + """Verifies that GetTestsToRun ignores non-test files in the filesystem.""" + + self.fake_os = FakeOs(FakePath( + current_dir=os.path.abspath(os.path.dirname(run_tests.__file__)), + known_paths=['scons/build/dbg/scons/gtest_nontest', + 'scons/build/opt/scons/gtest_nontest.exe', + 'test/'])) + self.test_runner = run_tests.TestRunner(injected_os=self.fake_os, + injected_subprocess=None) + self.AssertResultsEqual( + self.test_runner.GetTestsToRun( + [], + '', + True, + available_configurations=self.fake_configurations), + ([], [])) + + def testNonTestBinary(self): + """Exercises GetTestsToRun with a non-test parameter.""" + + self.assert_( + not self.test_runner.GetTestsToRun( + ['gtest_unittest_not_really'], + '', + False, + available_configurations=self.fake_configurations)) + + def testNonExistingPythonTest(self): + """Exercises GetTestsToRun with a non-existent Python test parameter.""" + + self.assert_( + not self.test_runner.GetTestsToRun( + ['nonexistent_test.py'], + '', + False, + available_configurations=self.fake_configurations)) + + +class RunTestsTest(unittest.TestCase): + """Exercises TestRunner.RunTests.""" + + def SpawnSuccess(self, unused_executable, unused_argv): + """Fakes test success by returning 0 as an exit code.""" + + self.num_spawn_calls += 1 + return 0 + + def SpawnFailure(self, unused_executable, unused_argv): + """Fakes test success by returning 1 as an exit code.""" + + self.num_spawn_calls += 1 + return 1 + + def setUp(self): + self.fake_os = FakeOs(FakePath( + current_dir=os.path.abspath(os.path.dirname(run_tests.__file__)), + known_paths=['scons/build/dbg/scons/gtest_unittest', + 'scons/build/opt/scons/gtest_unittest', + 'test/gtest_color_test.py'])) + self.fake_configurations = ['dbg', 'opt'] + self.test_runner = run_tests.TestRunner(injected_os=self.fake_os, + injected_subprocess=None) + self.num_spawn_calls = 0 # A number of calls to spawn. + + def testRunPythonTestSuccess(self): + """Exercises RunTests to handle a Python test success.""" + + self.fake_os.spawn_impl = self.SpawnSuccess + self.assertEqual( + self.test_runner.RunTests( + [('scons/build/dbg/scons', 'test/gtest_color_test.py')], + []), + 0) + self.assertEqual(self.num_spawn_calls, 1) + + def testRunBinaryTestSuccess(self): + """Exercises RunTests to handle a binary test success.""" + + self.fake_os.spawn_impl = self.SpawnSuccess + self.assertEqual( + self.test_runner.RunTests( + [], + [('scons/build/dbg/scons', + 'scons/build/dbg/scons/gtest_unittest')]), + 0) + self.assertEqual(self.num_spawn_calls, 1) + + def testRunPythonTestFauilure(self): + """Exercises RunTests to handle a Python test failure.""" + + self.fake_os.spawn_impl = self.SpawnFailure + self.assertEqual( + self.test_runner.RunTests( + [('scons/build/dbg/scons', 'test/gtest_color_test.py')], + []), + 1) + self.assertEqual(self.num_spawn_calls, 1) + + def testRunBinaryTestFailure(self): + """Exercises RunTests to handle a binary test failure.""" + + self.fake_os.spawn_impl = self.SpawnFailure + self.assertEqual( + self.test_runner.RunTests( + [], + [('scons/build/dbg/scons', + 'scons/build/dbg/scons/gtest_unittest')]), + 1) + self.assertEqual(self.num_spawn_calls, 1) + + def testCombinedTestSuccess(self): + """Exercises RunTests to handle a success of both Python and binary test.""" + + self.fake_os.spawn_impl = self.SpawnSuccess + self.assertEqual( + self.test_runner.RunTests( + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')], + [('scons/build/dbg/scons', + 'scons/build/dbg/scons/gtest_unittest')]), + 0) + self.assertEqual(self.num_spawn_calls, 2) + + def testCombinedTestSuccessAndFailure(self): + """Exercises RunTests to handle a success of both Python and binary test.""" + + def SpawnImpl(executable, argv): + self.num_spawn_calls += 1 + # Simulates failure of a Python test and success of a binary test. + if '.py' in executable or '.py' in argv[0]: + return 1 + else: + return 0 + + self.fake_os.spawn_impl = SpawnImpl + self.assertEqual( + self.test_runner.RunTests( + [('scons/build/dbg/scons', 'scons/build/dbg/scons/gtest_unittest')], + [('scons/build/dbg/scons', + 'scons/build/dbg/scons/gtest_unittest')]), + 0) + self.assertEqual(self.num_spawn_calls, 2) + + +if __name__ == '__main__': + unittest.main() |