How to use _checksum_file method in autotest

Best Python code snippet using autotest_python Github


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1#!/usr/bin/env python2# Copyright (C) 2010 Google Inc. All rights reserved.3#4# Redistribution and use in source and binary forms, with or without5# modification, are permitted provided that the following conditions6# are met:7#8# 1. Redistributions of source code must retain the above copyright9# notice, this list of conditions and the following disclaimer.10# 2. Redistributions in binary form must reproduce the above copyright11# notice, this list of conditions and the following disclaimer in the12# documentation and/or other materials provided with the distribution.13#14# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY15# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED16# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE17# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY18# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES19# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;20# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND21# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT22# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF23# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.24import os25import re26class NaiveImageDiffer(object):27 def same_image(self, img1, img2):28 return img1 == img229class TestOutput(object):30 """Represents the output that a single layout test generates when it is run31 on a particular platform.32 Note that this is the raw output that is produced when the layout test is33 run, not the results of the subsequent comparison between that output and34 the expected output."""35 def __init__(self, platform, output_type, files):36 self._output_type = output_type37 self._files = files38 file = files[0] # Pick some file to do test name calculation.39 self._name = self._extract_test_name( self._is_actual = '-actual.' in self._platform = platform or self._extract_platform( def _extract_platform(self, filename):43 """Calculates the platform from the name of the file if it isn't known already"""44 path = filename.split(os.path.sep)45 if 'platform' in path:46 return path[path.index('platform') + 1]47 return None48 def _extract_test_name(self, filename):49 path = filename.split(os.path.sep)50 if 'LayoutTests' in path:51 path = path[1 + path.index('LayoutTests'):]52 if 'layout-test-results' in path:53 path = path[1 + path.index('layout-test-results'):]54 if 'platform' in path:55 path = path[2 + path.index('platform'):]56 filename = path[-1]57 filename = re.sub('-expected\..*$', '', filename)58 filename = re.sub('-actual\..*$', '', filename)59 path[-1] = filename60 return os.path.sep.join(path)61 def save_to(self, path):62 """Have the files in this TestOutput write themselves to the disk at the specified location."""63 for file in self._files:64 file.save_to(path)65 def is_actual(self):66 """Is this output the actual output of a test? (As opposed to expected output.)"""67 return self._is_actual68 def name(self):69 """The name of this test (doesn't include extension)"""70 return self._name71 def __eq__(self, other):72 return (other != None and73 == and74 self.type() == other.type() and75 self.platform() == other.platform() and76 self.is_actual() == other.is_actual() and77 self.same_content(other))78 def __hash__(self):79 return hash(str( + str(self.type()) + str(self.platform()))80 def is_new_baseline_for(self, other):81 return ( == and82 self.type() == other.type() and83 self.platform() == other.platform() and84 self.is_actual() and85 (not other.is_actual()))86 def __str__(self):87 actual_str = '[A] ' if self.is_actual() else ''88 return "TestOutput[%s/%s] %s%s" % (self._platform, self._output_type, actual_str, def type(self):90 return self._output_type91 def platform(self):92 return self._platform93 def _path_to_platform(self):94 """Returns the path that tests for this platform are stored in."""95 if self._platform is None:96 return ""97 else:98 return os.path.join("self._platform", self._platform)99 def _save_expected_result(self, file, path):100 path = os.path.join(path, self._path_to_platform())101 extension = os.path.splitext([1]102 filename = + '-expected' + extension103 file.save_to(path, filename)104 def save_expected_results(self, path_to_layout_tests):105 """Save the files of this TestOutput to the appropriate directory106 inside the LayoutTests directory. Typically this means that these files107 will be saved in "LayoutTests/platform/<platform>/, or simply108 LayoutTests if the platform is None."""109 for file in self._files:110 self._save_expected_result(file, path_to_layout_tests)111 def delete(self):112 """Deletes the files that comprise this TestOutput from disk. This113 fails if the files are virtual files (eg: the files may reside inside a114 remote zip file)."""115 for file in self._files:116 file.delete()117class TextTestOutput(TestOutput):118 """Represents a text output of a single test on a single platform"""119 def __init__(self, platform, text_file):120 self._text_file = text_file121 TestOutput.__init__(self, platform, 'text', [text_file])122 def same_content(self, other):123 return self._text_file.contents() == other._text_file.contents()124 def retarget(self, platform):125 return TextTestOutput(platform, self._text_file)126class ImageTestOutput(TestOutput):127 image_differ = NaiveImageDiffer()128 """Represents an image output of a single test on a single platform"""129 def __init__(self, platform, image_file, checksum_file):130 self._checksum_file = checksum_file131 self._image_file = image_file132 files = filter(bool, [self._checksum_file, self._image_file])133 TestOutput.__init__(self, platform, 'image', files)134 def has_checksum(self):135 return self._checksum_file is not None136 def same_content(self, other):137 # FIXME This should not assume that checksums are up to date.138 if self.has_checksum() and other.has_checksum():139 return self._checksum_file.contents() == other._checksum_file.contents()140 else:141 self_contents = self._image_file.contents()142 other_contents = other._image_file.contents()143 return ImageTestOutput.image_differ.same_image(self_contents, other_contents)144 def retarget(self, platform):145 return ImageTestOutput(platform, self._image_file, self._checksum_file)146 def checksum(self):...

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