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#!/usr/bin/env vpython3
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import subprocess
import unittest
from unittest import mock
import merge_lib as merger
# Protected access is allowed for unittests.
# pylint: disable=protected-access
class MergeLibTest(unittest.TestCase):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.maxDiff = None
@mock.patch.object(subprocess, 'check_output')
def test_validate_and_convert_profraw(self, mock_cmd):
test_cases = [
([''], [['mock.profdata'], [], []]),
(['Counter overflow'], [[], ['mock.profraw'], ['mock.profraw']]),
(subprocess.CalledProcessError(
255,
'llvm-cov merge -o mock.profdata -sparse=true mock.profraw',
output='Malformed profile'), [[], ['mock.profraw'], []]),
]
for side_effect, expected_results in test_cases:
mock_cmd.side_effect = side_effect
output_profdata_files = []
invalid_profraw_files = []
counter_overflows = []
merger._validate_and_convert_profraw('mock.profraw',
output_profdata_files,
invalid_profraw_files,
counter_overflows,
'/usr/bin/llvm-cov',
show_profdata=False)
self.assertEqual(
expected_results,
[output_profdata_files, invalid_profraw_files, counter_overflows])
if __name__ == '__main__':
unittest.main()
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