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# Copyright 2020 The Abseil Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for test fail fast protocol."""
import subprocess
from absl import logging
from absl.testing import _bazelize_command
from absl.testing import absltest
from absl.testing import parameterized
from absl.testing.tests import absltest_env
@parameterized.named_parameters(
('use_app_run', True),
('no_argv', False),
)
class TestFailFastTest(parameterized.TestCase):
"""Integration tests: Runs a test binary with fail fast.
This is done by setting the fail fast environment variable
"""
def setUp(self):
super().setUp()
self._test_name = 'absl/testing/tests/absltest_fail_fast_test_helper'
def _run_fail_fast(self, fail_fast, use_app_run):
"""Runs the py_test binary in a subprocess.
Args:
fail_fast: string, the fail fast value.
use_app_run: bool, whether the test helper should call
`absltest.main(argv=)` inside `app.run`.
Returns:
(stdout, exit_code) tuple of (string, int).
"""
env = absltest_env.inherited_env()
if fail_fast is not None:
env['TESTBRIDGE_TEST_RUNNER_FAIL_FAST'] = fail_fast
env['USE_APP_RUN'] = '1' if use_app_run else '0'
proc = subprocess.Popen(
args=[_bazelize_command.get_executable_path(self._test_name)],
env=env,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
universal_newlines=True)
stdout = proc.communicate()[0]
logging.info('output: %s', stdout)
return stdout, proc.wait()
def test_no_fail_fast(self, use_app_run):
out, exit_code = self._run_fail_fast(None, use_app_run)
self.assertEqual(1, exit_code)
self.assertIn('class A test A', out)
self.assertIn('class A test B', out)
self.assertIn('class A test C', out)
self.assertIn('class A test D', out)
self.assertIn('class A test E', out)
def test_empty_fail_fast(self, use_app_run):
out, exit_code = self._run_fail_fast('', use_app_run)
self.assertEqual(1, exit_code)
self.assertIn('class A test A', out)
self.assertIn('class A test B', out)
self.assertIn('class A test C', out)
self.assertIn('class A test D', out)
self.assertIn('class A test E', out)
def test_fail_fast_1(self, use_app_run):
out, exit_code = self._run_fail_fast('1', use_app_run)
self.assertEqual(1, exit_code)
self.assertIn('class A test A', out)
self.assertIn('class A test B', out)
self.assertIn('class A test C', out)
self.assertNotIn('class A test D', out)
self.assertNotIn('class A test E', out)
def test_fail_fast_0(self, use_app_run):
out, exit_code = self._run_fail_fast('0', use_app_run)
self.assertEqual(1, exit_code)
self.assertIn('class A test A', out)
self.assertIn('class A test B', out)
self.assertIn('class A test C', out)
self.assertIn('class A test D', out)
self.assertIn('class A test E', out)
if __name__ == '__main__':
absltest.main()
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