| #!/usr/bin/env python2.7 |
| # Copyright 2015, 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 |
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| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| """Filter out tests based on file differences compared to grpc:master""" |
| |
| from subprocess import call, check_output |
| |
| # triggers to skip c++ tests |
| run_cpp_starts_with_triggers = ('src/core', |
| 'src/cpp', |
| 'test/core', |
| 'test/cpp') |
| |
| |
| def _get_changed_files(): |
| """ |
| Get list of changed files between current branch and gRPC master branch |
| """ |
| # git fetch might need to be called on Jenkins slave |
| # todo(mattkwong): remove or uncomment below after seeing if Jenkins needs this |
| # call(['git', 'fetch']) |
| # this also collects files that are changed in the repo but not updated in the branch |
| return check_output(["git", "diff", "--name-only", "..origin/master"]).split() |
| |
| |
| def _can_skip_tests(file_names, starts_with_triggers=(), ends_with_triggers=()): |
| """ |
| Determines if tests are skippable based on if all file names do not match |
| any begin or end triggers |
| :param file_names: list of changed files generated by _get_changed_files() |
| :param starts_with_triggers: tuple of strings to match with beginning of file names |
| :param ends_with_triggers: tuple of strings to match with end of file names |
| :return: safe to skip tests |
| """ |
| for file_name in file_names: |
| if starts_with_triggers and file_name.startswith(starts_with_triggers) or \ |
| ends_with_triggers and file_name.endswith(ends_with_triggers): |
| return False |
| return True |
| |
| |
| def _remove_irrelevant_tests(tests, tag): |
| """ |
| Filters out tests by config or language |
| :param tests: list of all tests generated by run_tests_matrix.py |
| :param tag: string representing language or config to filter - "_(language)_" or "_(config)" |
| :return: list of relevant tests |
| """ |
| return [test for test in tests if not tag in test.shortname] |
| |
| |
| def filter_tests(tests): |
| """ |
| Filters out tests that are safe to ignore |
| :param tests: list of all tests generated by run_tests_matrix.py |
| :return: list of relevant tests |
| """ |
| print("Finding file differences between grpc:master repo and pull request...") |
| changed_files = _get_changed_files() |
| for changed_file in changed_files: |
| print(changed_file) |
| # C++, tsan, msan, and asan have the same filter |
| if _can_skip_tests(changed_files, starts_with_triggers=run_cpp_starts_with_triggers): |
| tests = _remove_irrelevant_tests(tests, '_c++_') # filter out c++ tests |
| tests = _remove_irrelevant_tests(tests, '_tsan') # filter out tsan tests |
| tests = _remove_irrelevant_tests(tests, '_msan') # filter out msan tests |
| tests = _remove_irrelevant_tests(tests, '_asan') # filter out asan tests |
| return tests |