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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."""
from benchmark_metrics_experiment import MetricsExperiment
import mock
import os
import tempfile
import unittest
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'
def testParseInclusiveStatisticsFile(self):
expected_inclusive_statistics_test = {
'func_f,/a/b/file_f': 2.3,
'func_g,/a/b/file_g': 2.2,
'func_h,/c/d/file_h': 3.3,
'func_i,/c/d/file_i': 4.4,
'func_j,/e/file_j': 5.5,
'func_k,/e/file_k': 6.6
}
expected_inclusive_statistics_reference = {
'func_f,/a/b/file_f': 1.0,
'func_g,/a/b/file_g': 4.4,
'func_h,/c/d/file_h': 3.0,
'func_i,/c/d/file_i': 4.0,
'func_j,/e/file_j': 5.0,
'func_l,/e/file_l': 6.0
}
result_inclusive_statistics_test = \
MetricsExperiment.ParseInclusiveStatisticsFile(
self._inclusive_count_test_file)
result_inclusive_statistics_reference = \
MetricsExperiment.ParseInclusiveStatisticsFile(
self._inclusive_count_reference_file)
self.assertEqual(result_inclusive_statistics_test,
expected_inclusive_statistics_test)
self.assertEqual(result_inclusive_statistics_reference,
expected_inclusive_statistics_reference)
def testParsePairwiseInclusiveStatisticsFile(self):
expected_pairwise_inclusive_statistics_test = {
'func_f': {'func_g,/a/b/file_g2': 0.01,
'func_h,/c/d/file_h': 0.02,
'func_i,/c/d/file_i': 0.03},
'func_g': {'func_j,/e/file_j': 0.4,
'func_m,/e/file_m': 0.6}
}
expected_pairwise_inclusive_statistics_reference = {
'func_f': {'func_g,/a/b/file_g': 0.1,
'func_h,/c/d/file_h': 0.2,
'func_i,/c/d/file_i': 0.3},
'func_g': {'func_j,/e/file_j': 0.4}
}
result_pairwise_inclusive_statistics_test = \
MetricsExperiment.ParsePairwiseInclusiveStatisticsFile(
self._pairwise_inclusive_count_test_file)
result_pairwise_inclusive_statistics_reference = \
MetricsExperiment.ParsePairwiseInclusiveStatisticsFile(
self._pairwise_inclusive_count_reference_file)
self.assertEqual(result_pairwise_inclusive_statistics_test,
expected_pairwise_inclusive_statistics_test)
self.assertEqual(result_pairwise_inclusive_statistics_reference,
expected_pairwise_inclusive_statistics_reference)
def _CheckFileContents(self, file_name, expected_content_lines):
with open(file_name, 'r') 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,2.0,3.16,1.58,7.52435897436,3.76217948718\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,1.56,1.47435897436\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,1.6,6.05']
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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