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#!/usr/bin/env python
# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""This module is used to find all of the layout test files used by
run-webkit-tests. It exposes one public function - find() -
which takes an optional list of paths. If a list is passed in, the returned
list of test files is constrained to those found under the paths passed in,
i.e. calling find(["LayoutTests/fast"]) will only return files
under that directory."""
import time
from webkitpy.common.system import logutils
_log = logutils.get_logger(__file__)
# When collecting test cases, we include any file with these extensions.
_supported_file_extensions = set(['.html', '.shtml', '.xml', '.xhtml', '.xhtmlmp', '.pl',
'.php', '.svg'])
# When collecting test cases, skip these directories
_skipped_directories = set(['.svn', '_svn', 'resources', 'script-tests'])
def find(port, paths):
"""Finds the set of tests under port.layout_tests_dir().
Args:
paths: a list of command line paths relative to the layout_tests_dir()
to limit the search to. glob patterns are ok.
"""
fs = port._filesystem
gather_start_time = time.time()
paths_to_walk = set()
# if paths is empty, provide a pre-defined list.
if paths:
_log.debug("Gathering tests from: %s relative to %s" % (paths, port.layout_tests_dir()))
for path in paths:
# If there's an * in the name, assume it's a glob pattern.
path = fs.join(port.layout_tests_dir(), path)
if path.find('*') > -1:
filenames = fs.glob(path)
paths_to_walk.update(filenames)
else:
paths_to_walk.add(path)
else:
_log.debug("Gathering tests from: %s" % port.layout_tests_dir())
paths_to_walk.add(port.layout_tests_dir())
# FIXME: I'm not sure there's much point in this being a set. A list would
# probably be faster.
test_files = set()
for path in paths_to_walk:
files = fs.files_under(path, _skipped_directories, _is_test_file)
test_files.update(set(files))
gather_time = time.time() - gather_start_time
_log.debug("Test gathering took %f seconds" % gather_time)
return test_files
def _has_supported_extension(fs, filename):
"""Return true if filename is one of the file extensions we want to run a
test on."""
extension = fs.splitext(filename)[1]
return extension in _supported_file_extensions
def _is_reference_html_file(filename):
"""Return true if the filename points to a reference HTML file."""
if (filename.endswith('-expected.html') or
filename.endswith('-expected-mismatch.html')):
_log.warn("Reftests are not supported - ignoring %s" % filename)
return True
return False
def _is_test_file(fs, dirname, filename):
"""Return true if the filename points to a test file."""
return (_has_supported_extension(fs, filename) and
not _is_reference_html_file(filename))
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