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#!/usr/bin/python2
# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for the benchmark_metrics_experiment module."""
import os
import tempfile
import unittest
from benchmark_metrics_experiment import MetricsExperiment
class MetricsExperimentTest(unittest.TestCase):
"""Test class for MetricsExperiment class."""
def __init__(self, *args, **kwargs):
super(MetricsExperimentTest, self).__init__(*args, **kwargs)
self._pairwise_inclusive_count_test_file = \
'testdata/input/pairwise_inclusive_count_test.csv'
self._pairwise_inclusive_count_reference_file = \
'testdata/input/pairwise_inclusive_count_reference.csv'
self._inclusive_count_test_file = \
'testdata/input/inclusive_count_test.csv'
self._inclusive_count_reference_file = \
'testdata/input/inclusive_count_reference.csv'
self._cwp_function_groups_file = \
'testdata/input/cwp_function_groups.txt'
def _CheckFileContents(self, file_name, expected_content_lines):
with open(file_name) as input_file:
result_content_lines = input_file.readlines()
self.assertListEqual(expected_content_lines, result_content_lines)
def testExperiment(self):
group_statistics_file, group_statistics_filename = tempfile.mkstemp()
os.close(group_statistics_file)
function_statistics_file, function_statistics_filename = tempfile.mkstemp()
os.close(function_statistics_file)
expected_group_statistics_lines = \
['group,file_path,function_count,distance_cum,distance_avg,score_cum,'
'score_avg\n',
'ab,/a/b,2.0,3.01,1.505,8.26344228895,4.13172114448\n',
'e,/e,2.0,2.0,1.0,27.5,13.75\n',
'cd,/c/d,2.0,2.0,1.0,27.5,13.75']
expected_function_statistics_lines = \
['function,file,distance,score\n',
'func_i,/c/d/file_i,1.0,17.6\n',
'func_j,/e/file_j,1.0,27.5\n',
'func_f,/a/b/file_f,1.59,1.4465408805\n',
'func_h,/c/d/file_h,1.0,9.9\n',
'func_k,/e/file_k,1.0,0.0\n',
'func_g,/a/b/file_g,1.42,6.81690140845']
metric_experiment = \
MetricsExperiment(self._pairwise_inclusive_count_reference_file,
self._pairwise_inclusive_count_test_file,
self._inclusive_count_reference_file,
self._inclusive_count_test_file,
self._cwp_function_groups_file,
group_statistics_filename,
function_statistics_filename)
metric_experiment.PerformComputation()
self._CheckFileContents(group_statistics_filename,
expected_group_statistics_lines)
self._CheckFileContents(function_statistics_filename,
expected_function_statistics_lines)
os.remove(group_statistics_filename)
os.remove(function_statistics_filename)
if __name__ == '__main__':
unittest.main()
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