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#!/usr/bin/env python2.7 |
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# Copyright 2015, 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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"""Filter out tests based on file differences compared to grpc:master""" |
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from subprocess import call, check_output |
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# triggers to skip c++ tests |
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run_cpp_starts_with_triggers = ('src/core', |
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'src/cpp', |
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'test/core', |
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'test/cpp') |
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def _get_changed_files(): |
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""" |
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Get list of changed files between current branch and gRPC master branch |
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""" |
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# git fetch might need to be called on Jenkins slave |
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# todo(mattkwong): remove or uncomment below after seeing if Jenkins needs this |
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# call(['git', 'fetch']) |
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# this also collects files that are changed in the repo but not updated in the branch |
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return check_output(["git", "diff", "--name-only", "..origin/master"]).split() |
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def _can_skip_tests(file_names, starts_with_triggers=(), ends_with_triggers=()): |
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""" |
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Determines if tests are skippable based on if all file names do not match |
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any begin or end triggers |
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:param file_names: list of changed files generated by _get_changed_files() |
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:param starts_with_triggers: tuple of strings to match with beginning of file names |
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:param ends_with_triggers: tuple of strings to match with end of file names |
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:return: safe to skip tests |
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""" |
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for file_name in file_names: |
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if starts_with_triggers and file_name.startswith(starts_with_triggers) or \ |
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ends_with_triggers and file_name.endswith(ends_with_triggers): |
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return False |
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return True |
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def _remove_irrelevant_tests(tests, tag): |
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""" |
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Filters out tests by config or language |
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:param tests: list of all tests generated by run_tests_matrix.py |
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:param tag: string representing language or config to filter - "_(language)_" or "_(config)" |
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:return: list of relevant tests |
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""" |
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return [test for test in tests if not tag in test.shortname] |
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def filter_tests(tests): |
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""" |
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Filters out tests that are safe to ignore |
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:param tests: list of all tests generated by run_tests_matrix.py |
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:return: list of relevant tests |
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""" |
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print("Finding file differences between grpc:master repo and pull request...") |
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changed_files = _get_changed_files() |
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for changed_file in changed_files: |
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print(changed_file) |
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# C++, tsan, msan, and asan have the same filter |
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if _can_skip_tests(changed_files, starts_with_triggers=run_cpp_starts_with_triggers): |
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tests = _remove_irrelevant_tests(tests, '_c++_') # filter out c++ tests |
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tests = _remove_irrelevant_tests(tests, '_tsan') # filter out tsan tests |
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tests = _remove_irrelevant_tests(tests, '_msan') # filter out msan tests |
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tests = _remove_irrelevant_tests(tests, '_asan') # filter out asan tests |
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return tests |
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