#!/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 process_hot_functions module.""" from process_hot_functions import HotFunctionsProcessor, ParseArguments import mock import os import shutil import tempfile import unittest class ParseArgumentsTest(unittest.TestCase): """Test class for command line argument parsing.""" def __init__(self, *args, **kwargs): super(ParseArgumentsTest, self).__init__(*args, **kwargs) def testParseArguments(self): arguments = \ ['-p', 'dummy_pprof', '-c', 'dummy_common', '-e', 'dummy_extra', '-w', 'dummy_cwp'] options = ParseArguments(arguments) self.assertEqual(options.pprof_path, 'dummy_pprof') self.assertEqual(options.cwp_hot_functions_file, 'dummy_cwp') self.assertEqual(options.common_functions_path, 'dummy_common') self.assertEqual(options.extra_cwp_functions_file, 'dummy_extra') @mock.patch('sys.exit') def testDeathParseArguments(self, sys_exit_method): self.assertFalse(sys_exit_method.called) ParseArguments([]) self.assertTrue(sys_exit_method.called) self.assertNotEqual(sys_exit_method.return_value, 0) class HotFunctionsProcessorTest(unittest.TestCase): """Test class for HotFunctionsProcessor class.""" def __init__(self, *args, **kwargs): super(HotFunctionsProcessorTest, self).__init__(*args, **kwargs) self._pprof_path = 'testdata/input/pprof' self._cwp_functions_file = 'testdata/input/cwp_functions_file.csv' self._cwp_functions_file_parsing = \ 'testdata/input/parse_cwp_statistics.csv' self._common_functions_path = '' self._expected_common_functions_path = 'testdata/expected/pprof_common' self._extra_cwp_functions_file = '' self._cwp_function_groups_file = 'testdata/input/cwp_function_groups' self._cwp_function_groups_statistics_file = 'dummy' self._cwp_function_groups_file_prefix = 'dummy' def _CreateHotFunctionsProcessor(self, extra_cwp_functions_file, cwp_function_groups_file=None, cwp_function_groups_statistics_file=None, cwp_function_groups_file_prefix=None): return HotFunctionsProcessor(self._pprof_path, self._cwp_functions_file, self._common_functions_path, extra_cwp_functions_file, cwp_function_groups_file, cwp_function_groups_statistics_file, cwp_function_groups_file_prefix) 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) @mock.patch.object(HotFunctionsProcessor, 'ExtractCommonFunctions') @mock.patch.object(HotFunctionsProcessor, 'ExtractExtraFunctions') @mock.patch.object(HotFunctionsProcessor, 'GroupExtraFunctions') def testProcessHotFunctionsNoGroupping(self, group_functions_method, extra_functions_method, common_functions_method): hot_functions_processor = self._CreateHotFunctionsProcessor( self._extra_cwp_functions_file) hot_functions_processor.ProcessHotFunctions() self.assertTrue(common_functions_method.called) self.assertTrue(extra_functions_method.called) self.assertEqual(common_functions_method.call_count, 1) self.assertEqual(extra_functions_method.call_count, 1) self.assertFalse(group_functions_method.called) @mock.patch.object(HotFunctionsProcessor, 'ExtractCommonFunctions') @mock.patch.object(HotFunctionsProcessor, 'ExtractExtraFunctions') @mock.patch.object(HotFunctionsProcessor, 'GroupExtraFunctions') def testProcessHotFunctionsGroupping(self, group_functions_method, extra_functions_method, common_functions_method): hot_functions_processor = self._CreateHotFunctionsProcessor( self._extra_cwp_functions_file, self._cwp_function_groups_file, self._cwp_function_groups_statistics_file, self._cwp_function_groups_file_prefix) hot_functions_processor.ProcessHotFunctions() self.assertTrue(common_functions_method.called) self.assertTrue(extra_functions_method.called) self.assertEqual(common_functions_method.call_count, 1) self.assertEqual(extra_functions_method.call_count, 1) self.assertTrue(group_functions_method.called) self.assertEqual(group_functions_method.call_count, 1) def testParseCWPStatistics(self): cwp_statistics = {'dummy_method1,dummy_file1': ('dummy_object1,1', 0), 'dummy_method2,dummy_file2': ('dummy_object2,2', 0), 'dummy_method3,dummy_file3': ('dummy_object3,3', 0), 'dummy_method4,dummy_file4': ('dummy_object4,4', 0)} hot_functions_processor = self._CreateHotFunctionsProcessor( self._extra_cwp_functions_file) result = hot_functions_processor.ParseCWPStatistics( self._cwp_functions_file_parsing) self.assertDictEqual(result, cwp_statistics) def testExtractCommonFunctions(self): hot_functions_processor = self._CreateHotFunctionsProcessor( self._extra_cwp_functions_file) common_functions_path = tempfile.mkdtemp() hot_functions_processor.ExtractCommonFunctions(self._pprof_path, common_functions_path, self._cwp_functions_file) expected_files = \ [os.path.join(self._expected_common_functions_path, expected_file) for expected_file in os.listdir(self._expected_common_functions_path)] result_files = \ [os.path.join(common_functions_path, result_file) for result_file in os.listdir(common_functions_path)] expected_files.sort() result_files.sort() for expected_file_name, result_file_name in \ zip(expected_files, result_files): with open(expected_file_name) as expected_file: expected_output_lines = expected_file.readlines() self.checkFileContents(result_file_name, expected_output_lines) shutil.rmtree(common_functions_path) def testExtractExtraFunctions(self): cwp_statistics = {'dummy_method1,dummy_file1': ('dummy_object1,1', 0), 'dummy_method2,dummy_file2': ('dummy_object2,2', 1), 'dummy_method3,dummy_file3': ('dummy_object3,3', 1), 'dummy_method4,dummy_file4': ('dummy_object4,4', 0)} expected_output_lines = ['function,file,dso,inclusive_count\n', 'dummy_method4,dummy_file4,dummy_object4,4\n', 'dummy_method1,dummy_file1,dummy_object1,1'] temp_file, temp_filename = tempfile.mkstemp() os.close(temp_file) hot_functions_processor = self._CreateHotFunctionsProcessor(temp_filename) hot_functions_processor.ExtractExtraFunctions(cwp_statistics, temp_filename) self.checkFileContents(temp_filename, expected_output_lines) os.remove(temp_filename) def testParseFunctionGroups(self): cwp_function_groups_lines = ['group1 /a\n', 'group2 /b\n', 'group3 /c\n', 'group4 /d\n'] expected_output = [('group1', '/a', 0, []), ('group2', '/b', 0, []), ('group3', '/c', 0, []), ('group4', '/d', 0, [])] result = HotFunctionsProcessor.ParseFunctionGroups( cwp_function_groups_lines) self.assertListEqual(expected_output, result) def testGroupExtraFunctions(self): cwp_statistics = {'dummy_method1,/a/b': ('dummy_object1,1', 1), 'dummy_method2,/c/d': ('dummy_object2,2', 0), 'dummy_method3,/a/b': ('dummy_object3,3', 0), 'dummy_method4,/c/d': ('dummy_object4,4', 1), 'dummy_method5,/a/b': ('dummy_object5,5', 0), 'dummy_method6,/e': ('dummy_object6,6', 0), 'dummy_method7,/c/d': ('dummy_object7,7', 0), 'dummy_method8,/e': ('dummy_object8,8', 0)} cwp_groups_statistics_file, \ cwp_groups_statistics_filename = tempfile.mkstemp() os.close(cwp_groups_statistics_file) cwp_groups_file_path = tempfile.mkdtemp() cwp_groups_file_prefix = os.path.join(cwp_groups_file_path, 'dummy') hot_functions_processor = self._CreateHotFunctionsProcessor( self._extra_cwp_functions_file) hot_functions_processor.GroupExtraFunctions(cwp_statistics, cwp_groups_file_prefix, self._cwp_function_groups_file, cwp_groups_statistics_filename) expected_group_ab_lines = ['function,file,dso,inclusive_count\n', 'dummy_method5,/a/b,dummy_object5,5\n', 'dummy_method3,/a/b,dummy_object3,3'] expected_group_cd_lines = ['function,file,dso,inclusive_count\n', 'dummy_method7,/c/d,dummy_object7,7\n', 'dummy_method2,/c/d,dummy_object2,2'] expected_group_e_lines = ['function,file,dso,inclusive_count\n', 'dummy_method8,/e,dummy_object8,8\n', 'dummy_method6,/e,dummy_object6,6'] expected_group_statistics_lines = ['group,shared_path,inclusive_count\n', 'e,/e,14\n', 'cd,/c/d,9\n', 'ab,/a/b,8'] self.checkFileContents('%sab' % (cwp_groups_file_prefix,), expected_group_ab_lines) self.checkFileContents('%scd' % (cwp_groups_file_prefix,), expected_group_cd_lines) self.checkFileContents('%se' % (cwp_groups_file_prefix,), expected_group_e_lines) self.checkFileContents(cwp_groups_statistics_filename, expected_group_statistics_lines) shutil.rmtree(cwp_groups_file_path) os.remove(cwp_groups_statistics_filename) if __name__ == '__main__': unittest.main()