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Add support for Bazel's sharding env variables
Closes #2491
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#!/usr/bin/env python3 | ||
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# Copyright Catch2 Authors | ||
# Distributed under the Boost Software License, Version 1.0. | ||
# (See accompanying file LICENSE_1_0.txt or copy at | ||
# https://www.boost.org/LICENSE_1_0.txt) | ||
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# SPDX-License-Identifier: BSL-1.0 | ||
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import os | ||
import re | ||
import sys | ||
import subprocess | ||
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""" | ||
Test that Catch2 recognizes the three sharding-related environment variables | ||
and responds accordingly (running only the selected shard, creating the | ||
response file, etc). | ||
Requires 2 arguments, path to Catch2 binary to run and the output directory | ||
for the output file. | ||
""" | ||
if len(sys.argv) != 3: | ||
print("Wrong number of arguments: {}".format(len(sys.argv))) | ||
print("Usage: {} test-bin-path output-dir".format(sys.argv[0])) | ||
exit(1) | ||
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bin_path = os.path.abspath(sys.argv[1]) | ||
output_dir = os.path.abspath(sys.argv[2]) | ||
info_file_path = os.path.join(output_dir, '{}.shard-support'.format(os.path.basename(bin_path))) | ||
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# Ensure no file exists from previous test runs | ||
if os.path.isfile(info_file_path): | ||
os.remove(info_file_path) | ||
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print('bin path:', bin_path) | ||
print('shard confirmation path:', info_file_path) | ||
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env = os.environ.copy() | ||
# We will run only one shard, and it should have the passing test. | ||
# This simplifies our work a bit, and if we have any regression in this | ||
# functionality we can make more complex tests later. | ||
env["BAZEL_TEST"] = "1" | ||
env["TEST_SHARD_INDEX"] = "0" | ||
env["TEST_TOTAL_SHARDS"] = "2" | ||
env["TEST_SHARD_STATUS_FILE"] = info_file_path | ||
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try: | ||
ret = subprocess.run( | ||
bin_path, | ||
stdout=subprocess.PIPE, | ||
stderr=subprocess.PIPE, | ||
check=True, | ||
universal_newlines=True, | ||
env=env | ||
) | ||
stdout = ret.stdout | ||
except subprocess.SubprocessError as ex: | ||
print('Could not run "{}"'.format(bin_path)) | ||
print("Return code: {}".format(ex.returncode)) | ||
print("stdout: {}".format(ex.stdout)) | ||
print("stderr: {}".format(ex.stderr)) | ||
raise | ||
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if not "All tests passed (1 assertion in 1 test case)" in stdout: | ||
print("Did not find expected output in stdout.") | ||
print("stdout:\n{}".format(stdout)) | ||
exit(1) | ||
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if not os.path.isfile(info_file_path): | ||
print("Catch2 did not create expected file at path '{}'".format(info_file_path)) | ||
exit(2) |