зеркало из https://github.com/mozilla/moz-skia.git
Refactor test_pictures so we can add test_pdfs without code duplication.
Review URL: https://codereview.appspot.com/6611050 git-svn-id: http://skia.googlecode.com/svn/trunk@5878 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
edisonn@google.com
Родитель
41fe45b955
Коммит
c2c4981d02
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@ -16,97 +16,20 @@ import sys
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import shutil
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import tempfile
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# modules declared within this same directory
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import test_rendering
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USAGE_STRING = 'Usage: %s input... expectedDir'
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HELP_STRING = '''
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Compares the renderings of serialized SkPicture files and directories specified
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by input with the images in expectedDir. Note, files in directoriers are
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expected to end with .skp.
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Takes input SkPicture files and renders them as PNG files, and then compares
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those resulting PNG files against PNG files found in expectedDir.
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Each instance of "input" can be either a file (name must end in .skp), or a
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directory (in which case this script will process all .skp files within the
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directory).
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'''
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def RunCommand(command):
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"""Run a command.
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@param command the command as a single string
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"""
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print 'running command [%s]...' % command
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os.system(command)
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def FindPathToProgram(program):
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"""Return path to an existing program binary, or raise an exception if we
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cannot find one.
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@param program the name of the program that is being looked for
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"""
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trunk_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
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os.pardir))
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possible_paths = [os.path.join(trunk_path, 'out', 'Release', program),
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os.path.join(trunk_path, 'out', 'Debug', program),
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os.path.join(trunk_path, 'out', 'Release',
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program + ".exe"),
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os.path.join(trunk_path, 'out', 'Debug',
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program + ".exe")]
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for try_path in possible_paths:
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if os.path.isfile(try_path):
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return try_path
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raise Exception('cannot find %s in paths %s; maybe you need to '
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'build %s?' % (program, possible_paths, program))
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def RenderImages(inputs, render_dir, options):
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"""Renders the serialized SkPictures.
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Uses the render_pictures program to do the rendering.
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@param inputs the location(s) to read the serlialized SkPictures
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@param render_dir the location to write out the rendered images
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"""
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renderer_path = FindPathToProgram('render_pictures')
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inputs_as_string = " ".join(inputs)
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command = '%s %s %s' % (renderer_path, inputs_as_string, render_dir)
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if (options.mode is not None):
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command += ' --mode %s' % ' '.join(options.mode)
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if (options.device is not None):
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command += ' --device %s' % options.device
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RunCommand(command)
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def DiffImages(expected_dir, comparison_dir, diff_dir):
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"""Diffs the rendered SkPicture images with the baseline images.
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Uses the skdiff program to do the diffing.
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@param expected_dir the location of the baseline images.
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@param comparison_dir the location of the images to comapre with the
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baseline
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@param diff_dir the location to write out the diff results
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"""
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skdiff_path = FindPathToProgram('skdiff')
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RunCommand('%s %s %s %s %s' %
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(skdiff_path, expected_dir, comparison_dir, diff_dir,
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'--noprintdirs'))
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def Cleanup(options, render_dir, diff_dir):
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"""Deletes any temporary folders and files created.
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@param options The OptionParser object that parsed if render_dir or diff_dir
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was set
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@param render_dir the directory where the rendered images were written
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@param diff_dir the directory where the diff results were written
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"""
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if (not options.render_dir):
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if (os.path.isdir(render_dir)):
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shutil.rmtree(render_dir)
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if (not options.diff_dir):
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if (os.path.isdir(diff_dir)):
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shutil.rmtree(diff_dir)
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def ModeParse(option, opt_str, value, parser):
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"""Parses the --mode option of the commandline.
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@ -158,21 +81,17 @@ def Main(args):
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inputs = arguments[1:-1]
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expected_dir = arguments[-1]
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if (options.render_dir):
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render_dir = options.render_dir
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else:
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render_dir = tempfile.mkdtemp()
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extra_args = ''
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if (options.diff_dir):
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diff_dir = options.diff_dir
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else:
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diff_dir = tempfile.mkdtemp()
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if (options.mode is not None):
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extra_args += ' --mode %s' % ' '.join(options.mode)
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try:
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RenderImages(inputs, render_dir, options)
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DiffImages(expected_dir, render_dir, diff_dir)
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finally:
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Cleanup(options, render_dir, diff_dir)
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if (options.device is not None):
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extra_args += ' --device %s' % options.device
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test_rendering.TestRenderSkps(inputs, expected_dir, options.render_dir,
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options.diff_dir, 'render_pictures',
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extra_args)
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if __name__ == '__main__':
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Main(sys.argv)
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@ -0,0 +1,118 @@
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'''
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Compares the rendererings of serialized SkPictures to expected result.
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Copyright 2012 Google Inc.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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'''
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# common Python modules
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import os
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import optparse
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import sys
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import shutil
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import tempfile
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USAGE_STRING = 'Usage: %s input... expectedDir render_app [reander_app_args]'
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HELP_STRING = '''
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Compares the renderings of serialized SkPicture files and directories specified
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by input with the files in expectedDir. Note, files in directoriers are
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expected to end with .skp.
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'''
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def RunCommand(command):
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"""Run a command.
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@param command the command as a single string
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"""
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print 'running command [%s]...' % command
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os.system(command)
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def FindPathToProgram(program):
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"""Return path to an existing program binary, or raise an exception if we
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cannot find one.
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@param program the name of the program that is being looked for
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"""
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trunk_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
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os.pardir))
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possible_paths = [os.path.join(trunk_path, 'out', 'Release', program),
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os.path.join(trunk_path, 'out', 'Debug', program),
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os.path.join(trunk_path, 'out', 'Release',
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program + ".exe"),
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os.path.join(trunk_path, 'out', 'Debug',
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program + ".exe")]
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for try_path in possible_paths:
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if os.path.isfile(try_path):
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return try_path
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raise Exception('cannot find %s in paths %s; maybe you need to '
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'build %s?' % (program, possible_paths, program))
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def RenderSkps(inputs, render_dir, render_app, args):
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"""Renders the serialized SkPictures.
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Uses the render_pictures program to do the rendering.
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@param inputs the location(s) to read the serlialized SkPictures
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@param render_dir the location to write out the rendered images
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"""
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renderer_path = FindPathToProgram(render_app)
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inputs_as_string = " ".join(inputs)
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command = '%s %s %s' % (renderer_path, inputs_as_string, render_dir)
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command += args
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RunCommand(command)
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def DiffRenderings(expected_dir, comparison_dir, diff_dir):
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"""Diffs the rendered SkPicture files with the baseline files.
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Uses the skdiff program to do the diffing.
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@param expected_dir the location of the baseline images.
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@param comparison_dir the location of the images to comapre with the
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baseline
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@param diff_dir the location to write out the diff results
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"""
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skdiff_path = FindPathToProgram('skdiff')
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RunCommand('%s %s %s %s %s' %
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(skdiff_path, expected_dir, comparison_dir, diff_dir,
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'--noprintdirs'))
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def Cleanup(render_dir_option, diff_dir_option, render_dir, diff_dir):
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"""Deletes any temporary folders and files created.
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@param foo_option The OptionParser parsed render_dir or diff_dir vars.
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If these variables are not passed by user we ended up creating
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temporary directories (render_dir, diff_dir) which we will remove.
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@param render_dir the directory where the rendered images were written
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@param diff_dir the directory where the diff results were written
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"""
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if (not render_dir_option):
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if (os.path.isdir(render_dir)):
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shutil.rmtree(render_dir)
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if (not diff_dir_option):
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if (os.path.isdir(diff_dir)):
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shutil.rmtree(diff_dir)
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def TestRenderSkps(inputs, expected_dir, render_dir_option, diff_dir_option,
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render_app, render_args):
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if (render_dir_option):
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render_dir = render_dir_option
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else:
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render_dir = tempfile.mkdtemp()
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if (diff_dir_option):
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diff_dir = diff_dir_option
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else:
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diff_dir = tempfile.mkdtemp()
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try:
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RenderSkps(inputs, render_dir, render_app, render_args)
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DiffRenderings(expected_dir, render_dir, diff_dir)
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finally:
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Cleanup(render_dir_option, diff_dir_option, render_dir, diff_dir)
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