Add --gtest_fail_fast support to googletest. - Analogous functionality to to golang -test.failfast and python --failfast - Stops test execution upon first test failure. - Also add support Bazel equivalent env var (TESTBRIDGE_TEST_RUNNER_FAIL_FAST) PiperOrigin-RevId: 302488880pull/2763/head
parent
749148f1ac
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10 changed files with 784 additions and 54 deletions
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#!/usr/bin/env python |
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# |
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# Copyright 2020 Google Inc. All Rights Reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following disclaimer |
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# in the documentation and/or other materials provided with the |
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# distribution. |
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# * Neither the name of Google Inc. nor the names of its |
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# contributors may be used to endorse or promote products derived from |
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# this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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"""Unit test for Google Test fail_fast. |
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|
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A user can specify if a Google Test program should continue test execution |
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after a test failure via the GTEST_FAIL_FAST environment variable or the |
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--gtest_fail_fast flag. The default value of the flag can also be changed |
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by Bazel fail fast environment variable TESTBRIDGE_TEST_RUNNER_FAIL_FAST. |
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|
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This script tests such functionality by invoking googletest-failfast-unittest_ |
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(a program written with Google Test) with different environments and command |
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line flags. |
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""" |
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|
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import os |
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import gtest_test_utils |
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|
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# Constants. |
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# Bazel testbridge environment variable for fail fast |
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BAZEL_FAIL_FAST_ENV_VAR = 'TESTBRIDGE_TEST_RUNNER_FAIL_FAST' |
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|
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# The environment variable for specifying fail fast. |
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FAIL_FAST_ENV_VAR = 'GTEST_FAIL_FAST' |
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|
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# The command line flag for specifying fail fast. |
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FAIL_FAST_FLAG = 'gtest_fail_fast' |
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|
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# The command line flag to run disabled tests. |
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RUN_DISABLED_FLAG = 'gtest_also_run_disabled_tests' |
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|
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# The command line flag for specifying a filter. |
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FILTER_FLAG = 'gtest_filter' |
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|
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# Command to run the googletest-failfast-unittest_ program. |
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COMMAND = gtest_test_utils.GetTestExecutablePath( |
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'googletest-failfast-unittest_') |
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|
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# The command line flag to tell Google Test to output the list of tests it |
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# will run. |
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LIST_TESTS_FLAG = '--gtest_list_tests' |
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|
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# Indicates whether Google Test supports death tests. |
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SUPPORTS_DEATH_TESTS = 'HasDeathTest' in gtest_test_utils.Subprocess( |
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[COMMAND, LIST_TESTS_FLAG]).output |
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|
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# Utilities. |
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environ = os.environ.copy() |
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|
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def SetEnvVar(env_var, value): |
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"""Sets the env variable to 'value'; unsets it when 'value' is None.""" |
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|
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if value is not None: |
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environ[env_var] = value |
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elif env_var in environ: |
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del environ[env_var] |
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|
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|
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def RunAndReturnOutput(test_suite=None, fail_fast=None, run_disabled=False): |
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"""Runs the test program and returns its output.""" |
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args = [] |
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xml_path = os.path.join(gtest_test_utils.GetTempDir(), |
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'.GTestFailFastUnitTest.xml') |
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args += ['--gtest_output=xml:' + xml_path] |
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if fail_fast is not None: |
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if isinstance(fail_fast, str): |
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args += ['--%s=%s' % (FAIL_FAST_FLAG, fail_fast)] |
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elif fail_fast: |
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args += ['--%s' % FAIL_FAST_FLAG] |
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else: |
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args += ['--no%s' % FAIL_FAST_FLAG] |
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if test_suite: |
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args += ['--%s=%s.*' % (FILTER_FLAG, test_suite)] |
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if run_disabled: |
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args += ['--%s' % RUN_DISABLED_FLAG] |
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txt_out = gtest_test_utils.Subprocess([COMMAND] + args, env=environ).output |
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with open(xml_path) as xml_file: |
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return txt_out, xml_file.read() |
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|
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# The unit test. |
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class GTestFailFastUnitTest(gtest_test_utils.TestCase): |
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"""Tests the env variable or the command line flag for fail_fast.""" |
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def testDefaultBehavior(self): |
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"""Tests the behavior of not specifying the fail_fast.""" |
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txt, _ = RunAndReturnOutput() |
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self.assertIn('22 FAILED TEST', txt) |
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def testGoogletestFlag(self): |
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txt, _ = RunAndReturnOutput(test_suite='HasSimpleTest', fail_fast=True) |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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txt, _ = RunAndReturnOutput(test_suite='HasSimpleTest', fail_fast=False) |
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self.assertIn('4 FAILED TEST', txt) |
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self.assertNotIn('[ SKIPPED ]', txt) |
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|
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def testGoogletestEnvVar(self): |
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"""Tests the behavior of specifying fail_fast via Googletest env var.""" |
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try: |
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SetEnvVar(FAIL_FAST_ENV_VAR, '1') |
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txt, _ = RunAndReturnOutput('HasSimpleTest') |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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SetEnvVar(FAIL_FAST_ENV_VAR, '0') |
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txt, _ = RunAndReturnOutput('HasSimpleTest') |
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self.assertIn('4 FAILED TEST', txt) |
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self.assertNotIn('[ SKIPPED ]', txt) |
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finally: |
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SetEnvVar(FAIL_FAST_ENV_VAR, None) |
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|
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def testBazelEnvVar(self): |
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"""Tests the behavior of specifying fail_fast via Bazel testbridge.""" |
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try: |
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SetEnvVar(BAZEL_FAIL_FAST_ENV_VAR, '1') |
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txt, _ = RunAndReturnOutput('HasSimpleTest') |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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SetEnvVar(BAZEL_FAIL_FAST_ENV_VAR, '0') |
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txt, _ = RunAndReturnOutput('HasSimpleTest') |
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self.assertIn('4 FAILED TEST', txt) |
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self.assertNotIn('[ SKIPPED ]', txt) |
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finally: |
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SetEnvVar(BAZEL_FAIL_FAST_ENV_VAR, None) |
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def testFlagOverridesEnvVar(self): |
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"""Tests precedence of flag over env var.""" |
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try: |
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SetEnvVar(FAIL_FAST_ENV_VAR, '0') |
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txt, _ = RunAndReturnOutput('HasSimpleTest', True) |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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finally: |
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SetEnvVar(FAIL_FAST_ENV_VAR, None) |
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def testGoogletestEnvVarOverridesBazelEnvVar(self): |
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"""Tests that the Googletest native env var over Bazel testbridge.""" |
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try: |
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SetEnvVar(BAZEL_FAIL_FAST_ENV_VAR, '0') |
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SetEnvVar(FAIL_FAST_ENV_VAR, '1') |
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txt, _ = RunAndReturnOutput('HasSimpleTest') |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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finally: |
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SetEnvVar(FAIL_FAST_ENV_VAR, None) |
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SetEnvVar(BAZEL_FAIL_FAST_ENV_VAR, None) |
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|
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def testEventListener(self): |
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txt, _ = RunAndReturnOutput(test_suite='HasSkipTest', fail_fast=True) |
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self.assertIn('1 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 3 tests', txt) |
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for expected_count, callback in [(1, 'OnTestSuiteStart'), |
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(5, 'OnTestStart'), |
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(5, 'OnTestEnd'), |
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(5, 'OnTestPartResult'), |
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(1, 'OnTestSuiteEnd')]: |
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self.assertEqual( |
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expected_count, txt.count(callback), |
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'Expected %d calls to callback %s match count on output: %s ' % |
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(expected_count, callback, txt)) |
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txt, _ = RunAndReturnOutput(test_suite='HasSkipTest', fail_fast=False) |
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self.assertIn('3 FAILED TEST', txt) |
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self.assertIn('[ SKIPPED ] 1 test', txt) |
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for expected_count, callback in [(1, 'OnTestSuiteStart'), |
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(5, 'OnTestStart'), |
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(5, 'OnTestEnd'), |
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(5, 'OnTestPartResult'), |
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(1, 'OnTestSuiteEnd')]: |
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self.assertEqual( |
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expected_count, txt.count(callback), |
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'Expected %d calls to callback %s match count on output: %s ' % |
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(expected_count, callback, txt)) |
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|
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def assertXmlResultCount(self, result, count, xml): |
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self.assertEqual( |
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count, xml.count('result="%s"' % result), |
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'Expected \'result="%s"\' match count of %s: %s ' % |
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(result, count, xml)) |
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|
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def assertXmlStatusCount(self, status, count, xml): |
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self.assertEqual( |
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count, xml.count('status="%s"' % status), |
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'Expected \'status="%s"\' match count of %s: %s ' % |
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(status, count, xml)) |
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def assertFailFastXmlAndTxtOutput(self, |
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fail_fast, |
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test_suite, |
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passed_count, |
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failure_count, |
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skipped_count, |
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suppressed_count, |
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run_disabled=False): |
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"""Assert XML and text output of a test execution.""" |
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txt, xml = RunAndReturnOutput(test_suite, fail_fast, run_disabled) |
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if failure_count > 0: |
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self.assertIn('%s FAILED TEST' % failure_count, txt) |
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if suppressed_count > 0: |
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self.assertIn('%s DISABLED TEST' % suppressed_count, txt) |
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if skipped_count > 0: |
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self.assertIn('[ SKIPPED ] %s tests' % skipped_count, txt) |
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self.assertXmlStatusCount('run', |
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passed_count + failure_count + skipped_count, xml) |
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self.assertXmlStatusCount('notrun', suppressed_count, xml) |
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self.assertXmlResultCount('completed', passed_count + failure_count, xml) |
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self.assertXmlResultCount('skipped', skipped_count, xml) |
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self.assertXmlResultCount('suppressed', suppressed_count, xml) |
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|
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def assertFailFastBehavior(self, |
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test_suite, |
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passed_count, |
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failure_count, |
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skipped_count, |
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suppressed_count, |
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run_disabled=False): |
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"""Assert --fail_fast via flag.""" |
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for fail_fast in ('true', '1', 't', True): |
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self.assertFailFastXmlAndTxtOutput(fail_fast, test_suite, passed_count, |
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failure_count, skipped_count, |
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suppressed_count, run_disabled) |
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def assertNotFailFastBehavior(self, |
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test_suite, |
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passed_count, |
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failure_count, |
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skipped_count, |
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suppressed_count, |
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run_disabled=False): |
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"""Assert --nofail_fast via flag.""" |
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for fail_fast in ('false', '0', 'f', False): |
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self.assertFailFastXmlAndTxtOutput(fail_fast, test_suite, passed_count, |
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failure_count, skipped_count, |
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suppressed_count, run_disabled) |
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def testFlag_HasFixtureTest(self): |
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"""Tests the behavior of fail_fast and TEST_F.""" |
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self.assertFailFastBehavior( |
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test_suite='HasFixtureTest', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0) |
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self.assertNotFailFastBehavior( |
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test_suite='HasFixtureTest', |
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passed_count=1, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0) |
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|
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def testFlag_HasSimpleTest(self): |
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"""Tests the behavior of fail_fast and TEST.""" |
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self.assertFailFastBehavior( |
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test_suite='HasSimpleTest', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0) |
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self.assertNotFailFastBehavior( |
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test_suite='HasSimpleTest', |
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passed_count=1, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0) |
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def testFlag_HasParametersTest(self): |
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"""Tests the behavior of fail_fast and TEST_P.""" |
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self.assertFailFastBehavior( |
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test_suite='HasParametersSuite/HasParametersTest', |
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passed_count=0, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0) |
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self.assertNotFailFastBehavior( |
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test_suite='HasParametersSuite/HasParametersTest', |
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passed_count=0, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0) |
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def testFlag_HasDisabledTest(self): |
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"""Tests the behavior of fail_fast and Disabled test cases.""" |
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self.assertFailFastBehavior( |
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test_suite='HasDisabledTest', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=2, |
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suppressed_count=1, |
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run_disabled=False) |
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self.assertNotFailFastBehavior( |
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test_suite='HasDisabledTest', |
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passed_count=1, |
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failure_count=3, |
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skipped_count=0, |
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suppressed_count=1, |
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run_disabled=False) |
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def testFlag_HasDisabledRunDisabledTest(self): |
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"""Tests the behavior of fail_fast and Disabled test cases enabled.""" |
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self.assertFailFastBehavior( |
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test_suite='HasDisabledTest', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0, |
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run_disabled=True) |
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self.assertNotFailFastBehavior( |
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test_suite='HasDisabledTest', |
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passed_count=1, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0, |
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run_disabled=True) |
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def testFlag_HasDisabledSuiteTest(self): |
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"""Tests the behavior of fail_fast and Disabled test suites.""" |
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self.assertFailFastBehavior( |
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test_suite='DISABLED_HasDisabledSuite', |
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passed_count=0, |
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failure_count=0, |
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skipped_count=0, |
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suppressed_count=5, |
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run_disabled=False) |
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self.assertNotFailFastBehavior( |
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test_suite='DISABLED_HasDisabledSuite', |
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passed_count=0, |
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failure_count=0, |
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skipped_count=0, |
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suppressed_count=5, |
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run_disabled=False) |
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def testFlag_HasDisabledSuiteRunDisabledTest(self): |
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"""Tests the behavior of fail_fast and Disabled test suites enabled.""" |
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self.assertFailFastBehavior( |
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test_suite='DISABLED_HasDisabledSuite', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0, |
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run_disabled=True) |
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self.assertNotFailFastBehavior( |
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test_suite='DISABLED_HasDisabledSuite', |
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passed_count=1, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0, |
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run_disabled=True) |
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if SUPPORTS_DEATH_TESTS: |
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def testFlag_HasDeathTest(self): |
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"""Tests the behavior of fail_fast and death tests.""" |
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self.assertFailFastBehavior( |
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test_suite='HasDeathTest', |
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passed_count=1, |
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failure_count=1, |
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skipped_count=3, |
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suppressed_count=0) |
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self.assertNotFailFastBehavior( |
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test_suite='HasDeathTest', |
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passed_count=1, |
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failure_count=4, |
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skipped_count=0, |
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suppressed_count=0) |
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if __name__ == '__main__': |
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gtest_test_utils.Main() |
@ -0,0 +1,167 @@ |
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// Copyright 2005, Google Inc.
|
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// All rights reserved.
|
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//
|
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// Redistribution and use in source and binary forms, with or without
|
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// modification, are permitted provided that the following conditions are
|
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// met:
|
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//
|
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// * Redistributions of source code must retain the above copyright
|
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// notice, this list of conditions and the following disclaimer.
|
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// * Redistributions in binary form must reproduce the above
|
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// copyright notice, this list of conditions and the following disclaimer
|
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// in the documentation and/or other materials provided with the
|
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// distribution.
|
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// * Neither the name of Google Inc. nor the names of its
|
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// contributors may be used to endorse or promote products derived from
|
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// this software without specific prior written permission.
|
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//
|
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
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|
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|
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// Unit test for Google Test test filters.
|
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//
|
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// A user can specify which test(s) in a Google Test program to run via
|
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// either the GTEST_FILTER environment variable or the --gtest_filter
|
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// flag. This is used for testing such functionality.
|
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//
|
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// The program will be invoked from a Python unit test. Don't run it
|
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// directly.
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#include "gtest/gtest.h" |
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|
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namespace { |
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|
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// Test HasFixtureTest.
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|
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class HasFixtureTest : public testing::Test {}; |
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|
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TEST_F(HasFixtureTest, Test0) {} |
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TEST_F(HasFixtureTest, Test1) { FAIL() << "Expected failure."; } |
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TEST_F(HasFixtureTest, Test2) { FAIL() << "Expected failure."; } |
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|
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TEST_F(HasFixtureTest, Test3) { FAIL() << "Expected failure."; } |
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TEST_F(HasFixtureTest, Test4) { FAIL() << "Expected failure."; } |
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// Test HasSimpleTest.
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TEST(HasSimpleTest, Test0) {} |
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TEST(HasSimpleTest, Test1) { FAIL() << "Expected failure."; } |
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|
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TEST(HasSimpleTest, Test2) { FAIL() << "Expected failure."; } |
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|
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TEST(HasSimpleTest, Test3) { FAIL() << "Expected failure."; } |
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|
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TEST(HasSimpleTest, Test4) { FAIL() << "Expected failure."; } |
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|
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// Test HasDisabledTest.
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|
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TEST(HasDisabledTest, Test0) {} |
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|
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TEST(HasDisabledTest, DISABLED_Test1) { FAIL() << "Expected failure."; } |
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|
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TEST(HasDisabledTest, Test2) { FAIL() << "Expected failure."; } |
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|
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TEST(HasDisabledTest, Test3) { FAIL() << "Expected failure."; } |
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|
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TEST(HasDisabledTest, Test4) { FAIL() << "Expected failure."; } |
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|
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// Test HasDeathTest
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|
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TEST(HasDeathTest, Test0) { EXPECT_DEATH_IF_SUPPORTED(exit(1), ".*"); } |
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|
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TEST(HasDeathTest, Test1) { |
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EXPECT_DEATH_IF_SUPPORTED(FAIL() << "Expected failure.", ".*"); |
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} |
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|
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TEST(HasDeathTest, Test2) { |
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EXPECT_DEATH_IF_SUPPORTED(FAIL() << "Expected failure.", ".*"); |
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} |
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|
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TEST(HasDeathTest, Test3) { |
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EXPECT_DEATH_IF_SUPPORTED(FAIL() << "Expected failure.", ".*"); |
||||
} |
||||
|
||||
TEST(HasDeathTest, Test4) { |
||||
EXPECT_DEATH_IF_SUPPORTED(FAIL() << "Expected failure.", ".*"); |
||||
} |
||||
|
||||
// Test DISABLED_HasDisabledSuite
|
||||
|
||||
TEST(DISABLED_HasDisabledSuite, Test0) {} |
||||
|
||||
TEST(DISABLED_HasDisabledSuite, Test1) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST(DISABLED_HasDisabledSuite, Test2) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST(DISABLED_HasDisabledSuite, Test3) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST(DISABLED_HasDisabledSuite, Test4) { FAIL() << "Expected failure."; } |
||||
|
||||
// Test HasParametersTest
|
||||
|
||||
class HasParametersTest : public testing::TestWithParam<int> {}; |
||||
|
||||
TEST_P(HasParametersTest, Test1) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST_P(HasParametersTest, Test2) { FAIL() << "Expected failure."; } |
||||
|
||||
INSTANTIATE_TEST_SUITE_P(HasParametersSuite, HasParametersTest, |
||||
testing::Values(1, 2)); |
||||
|
||||
class MyTestListener : public ::testing::EmptyTestEventListener { |
||||
void OnTestSuiteStart(const ::testing::TestSuite& test_suite) override { |
||||
printf("We are in OnTestSuiteStart of %s.\n", test_suite.name()); |
||||
} |
||||
|
||||
void OnTestStart(const ::testing::TestInfo& test_info) override { |
||||
printf("We are in OnTestStart of %s.%s.\n", test_info.test_suite_name(), |
||||
test_info.name()); |
||||
} |
||||
|
||||
void OnTestPartResult( |
||||
const ::testing::TestPartResult& test_part_result) override { |
||||
printf("We are in OnTestPartResult %s:%d.\n", test_part_result.file_name(), |
||||
test_part_result.line_number()); |
||||
} |
||||
|
||||
void OnTestEnd(const ::testing::TestInfo& test_info) override { |
||||
printf("We are in OnTestEnd of %s.%s.\n", test_info.test_suite_name(), |
||||
test_info.name()); |
||||
} |
||||
|
||||
void OnTestSuiteEnd(const ::testing::TestSuite& test_suite) override { |
||||
printf("We are in OnTestSuiteEnd of %s.\n", test_suite.name()); |
||||
} |
||||
}; |
||||
|
||||
TEST(HasSkipTest, Test0) { SUCCEED() << "Expected success."; } |
||||
|
||||
TEST(HasSkipTest, Test1) { GTEST_SKIP() << "Expected skip."; } |
||||
|
||||
TEST(HasSkipTest, Test2) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST(HasSkipTest, Test3) { FAIL() << "Expected failure."; } |
||||
|
||||
TEST(HasSkipTest, Test4) { FAIL() << "Expected failure."; } |
||||
|
||||
} // namespace
|
||||
|
||||
int main(int argc, char **argv) { |
||||
::testing::InitGoogleTest(&argc, argv); |
||||
::testing::UnitTest::GetInstance()->listeners().Append(new MyTestListener()); |
||||
return RUN_ALL_TESTS(); |
||||
} |
Loading…
Reference in new issue