diff options
Diffstat (limited to 'googletest/test/googletest-fail-if-no-test-linked-test.py')
| -rwxr-xr-x | googletest/test/googletest-fail-if-no-test-linked-test.py | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/googletest/test/googletest-fail-if-no-test-linked-test.py b/googletest/test/googletest-fail-if-no-test-linked-test.py new file mode 100755 index 0000000..e62bfb2 --- /dev/null +++ b/googletest/test/googletest-fail-if-no-test-linked-test.py @@ -0,0 +1,165 @@ +#!/usr/bin/env python3 # pylint: disable=g-interpreter-mismatch +# +# Copyright 2025, 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 Google Test's --gtest_fail_if_no_test_linked flag.""" + +import os +from googletest.test import gtest_test_utils + +# The command line flag for enabling the fail-if-no-test-linked behavior. +FAIL_IF_NO_TEST_LINKED_FLAG = "gtest_fail_if_no_test_linked" + +# The environment variable for the test output warnings file. +TEST_WARNINGS_OUTPUT_FILE = "TEST_WARNINGS_OUTPUT_FILE" + + +class GTestFailIfNoTestLinkedTest(gtest_test_utils.TestCase): + """Tests the --gtest_fail_if_no_test_linked flag.""" + + def Run(self, program_name, flag=None, env=None): + """Run the given program with the given flag. + + Args: + program_name: Name of the program to run. + flag: The command line flag to pass to the program, or None. + env: Dictionary with environment to pass to the subprocess. + + Returns: + True if the program exits with code 0, false otherwise. + """ + + exe_path = gtest_test_utils.GetTestExecutablePath(program_name) + args = [exe_path] + if flag is not None: + args += [flag] + process = gtest_test_utils.Subprocess(args, capture_stderr=False, env=env) + return process.exited and process.exit_code == 0 + + def testSucceedsIfNoTestLinkedAndFlagNotSpecified(self): + """Tests the behavior of no test linked and flag not specified.""" + self.assertTrue( + self.Run("googletest-fail-if-no-test-linked-test-without-test_") + ) + + def testSucceedsIfNoTestLinkedAndFlagNotSpecifiedWithWarningFile(self): + """Tests that no test linked results in warning file output.""" + + warning_file = os.path.join(gtest_test_utils.GetTempDir(), "NO_TEST_LINKED") + self.assertTrue( + self.Run( + "googletest-fail-if-no-test-linked-test-without-test_", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + warning_file_contents = open(warning_file, "r").read() + self.assertIn("does NOT link", warning_file_contents) + + def testFailsIfNoTestLinkedAndFlagSpecified(self): + """Tests the behavior of no test linked and flag specified.""" + + warning_file = os.path.join( + gtest_test_utils.GetTempDir(), "SHOULD_NOT_EXIST" + ) + self.assertFalse( + self.Run( + "googletest-fail-if-no-test-linked-test-without-test_", + f"--{FAIL_IF_NO_TEST_LINKED_FLAG}", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + with self.assertRaises(FileNotFoundError): + open(warning_file, "r") + + def testSucceedsIfEnabledTestLinkedAndFlagNotSpecified(self): + """Tests the behavior of enabled test linked and flag not specified.""" + + warning_file = os.path.join( + gtest_test_utils.GetTempDir(), "SHOULD_NOT_EXIST" + ) + self.assertTrue( + self.Run( + "googletest-fail-if-no-test-linked-test-with-enabled-test_", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + with self.assertRaises(FileNotFoundError): + open(warning_file, "r") + + def testSucceedsIfEnabledTestLinkedAndFlagSpecified(self): + """Tests the behavior of enabled test linked and flag specified.""" + + warning_file = os.path.join( + gtest_test_utils.GetTempDir(), "SHOULD_NOT_EXIST" + ) + self.assertTrue( + self.Run( + "googletest-fail-if-no-test-linked-test-with-enabled-test_", + f"--{FAIL_IF_NO_TEST_LINKED_FLAG}", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + with self.assertRaises(FileNotFoundError): + open(warning_file, "r") + + def testSucceedsIfDisabledTestLinkedAndFlagNotSpecified(self): + """Tests the behavior of disabled test linked and flag not specified.""" + + warning_file = os.path.join( + gtest_test_utils.GetTempDir(), "SHOULD_NOT_EXIST" + ) + self.assertTrue( + self.Run( + "googletest-fail-if-no-test-linked-test-with-disabled-test_", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + with self.assertRaises(FileNotFoundError): + open(warning_file, "r") + + def testSucceedsIfDisabledTestLinkedAndFlagSpecified(self): + """Tests the behavior of disabled test linked and flag specified.""" + + warning_file = os.path.join( + gtest_test_utils.GetTempDir(), "SHOULD_NOT_EXIST" + ) + self.assertTrue( + self.Run( + "googletest-fail-if-no-test-linked-test-with-disabled-test_", + f"--{FAIL_IF_NO_TEST_LINKED_FLAG}", + env={TEST_WARNINGS_OUTPUT_FILE: warning_file}, + ) + ) + with self.assertRaises(FileNotFoundError): + open(warning_file, "r") + + +if __name__ == "__main__": + gtest_test_utils.Main() |