--- /dev/null
+#!/usr/bin/python
+
+"""
+Copyright 2014 Google Inc.
+
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+
+Download actual GM results for a particular builder.
+"""
+
+# System-level imports
+import contextlib
+import optparse
+import os
+import posixpath
+import re
+import shutil
+import sys
+import urllib
+import urllib2
+import urlparse
+
+# Imports from within Skia
+#
+# We need to add the 'gm' and 'tools' directories, so that we can import
+# gm_json.py and buildbot_globals.py.
+#
+# Make sure that these dirs are in the PYTHONPATH, but add them at the *end*
+# so any dirs that are already in the PYTHONPATH will be preferred.
+#
+# TODO(epoger): Is it OK for this to depend on the 'tools' dir, given that
+# the tools dir is dependent on the 'gm' dir (to import gm_json.py)?
+TRUNK_DIRECTORY = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+GM_DIRECTORY = os.path.join(TRUNK_DIRECTORY, 'gm')
+TOOLS_DIRECTORY = os.path.join(TRUNK_DIRECTORY, 'tools')
+if GM_DIRECTORY not in sys.path:
+ sys.path.append(GM_DIRECTORY)
+if TOOLS_DIRECTORY not in sys.path:
+ sys.path.append(TOOLS_DIRECTORY)
+import buildbot_globals
+import gm_json
+
+DEFAULT_ACTUALS_BASE_URL = posixpath.join(
+ buildbot_globals.Get('autogen_svn_url'), 'gm-actual')
+DEFAULT_JSON_FILENAME = 'actual-results.json'
+
+
+class Download(object):
+
+ def __init__(self, actuals_base_url=DEFAULT_ACTUALS_BASE_URL,
+ json_filename=DEFAULT_JSON_FILENAME,
+ gm_actuals_root_url=gm_json.GM_ACTUALS_ROOT_HTTP_URL):
+ """
+ Args:
+ actuals_base_url: URL pointing at the root directory
+ containing all actual-results.json files, e.g.,
+ http://domain.name/path/to/dir OR
+ file:///absolute/path/to/localdir
+ json_filename: The JSON filename to read from within each directory.
+ gm_actuals_root_url: Base URL under which the actually-generated-by-bots
+ GM images are stored.
+ """
+ self._actuals_base_url = actuals_base_url
+ self._json_filename = json_filename
+ self._gm_actuals_root_url = gm_actuals_root_url
+ self._image_filename_re = re.compile(gm_json.IMAGE_FILENAME_PATTERN)
+
+ def fetch(self, builder_name, dest_dir):
+ """ Downloads actual GM results for a particular builder.
+
+ Args:
+ builder_name: which builder to download results of
+ dest_dir: path to directory where the image files will be written;
+ if the directory does not exist yet, it will be created
+
+ TODO(epoger): Display progress info. Right now, it can take a long time
+ to download all of the results, and there is no indication of progress.
+
+ TODO(epoger): Download multiple images in parallel to speed things up.
+ """
+ json_url = posixpath.join(self._actuals_base_url, builder_name,
+ self._json_filename)
+ json_contents = urllib2.urlopen(json_url).read()
+ results_dict = gm_json.LoadFromString(json_contents)
+
+ actual_results_dict = results_dict[gm_json.JSONKEY_ACTUALRESULTS]
+ for result_type in sorted(actual_results_dict.keys()):
+ results_of_this_type = actual_results_dict[result_type]
+ if not results_of_this_type:
+ continue
+ for image_name in sorted(results_of_this_type.keys()):
+ (test, config) = self._image_filename_re.match(image_name).groups()
+ (hash_type, hash_digest) = results_of_this_type[image_name]
+ source_url = gm_json.CreateGmActualUrl(
+ test_name=test, hash_type=hash_type, hash_digest=hash_digest,
+ gm_actuals_root_url=self._gm_actuals_root_url)
+ dest_path = os.path.join(dest_dir, config, test + '.png')
+ copy_contents(source_url=source_url, dest_path=dest_path,
+ create_subdirs_if_needed=True)
+
+
+def create_filepath_url(filepath):
+ """ Returns a file:/// URL pointing at the given filepath on local disk.
+
+ For now, this is only used by unittests, but I anticipate it being useful
+ in production, as a way for developers to run rebaseline_server over locally
+ generated images.
+
+ TODO(epoger): Move this function, and copy_contents(), into a shared
+ utility module. They are generally useful.
+
+ Args:
+ filepath: string; path to a file on local disk (may be absolute or relative,
+ and the file does not need to exist)
+
+ Returns:
+ A file:/// URL pointing at the file. Regardless of whether filepath was
+ specified as a relative or absolute path, the URL will contain an
+ absolute path to the file.
+
+ Raises:
+ An Exception, if filepath is already a URL.
+ """
+ if urlparse.urlparse(filepath).scheme:
+ raise Exception('"%s" is already a URL' % filepath)
+ return urlparse.urljoin(
+ 'file:', urllib.pathname2url(os.path.abspath(filepath)))
+
+
+def copy_contents(source_url, dest_path, create_subdirs_if_needed=False):
+ """ Copies the full contents of the URL 'source_url' into
+ filepath 'dest_path'.
+
+ Args:
+ source_url: string; complete URL to read from
+ dest_path: string; complete filepath to write to (may be absolute or
+ relative)
+ create_subdirs_if_needed: boolean; whether to create subdirectories as
+ needed to create dest_path
+
+ Raises:
+ Some subclass of Exception if unable to read source_url or write dest_path.
+ """
+ if create_subdirs_if_needed:
+ dest_dir = os.path.dirname(dest_path)
+ if not os.path.exists(dest_dir):
+ os.makedirs(dest_dir)
+ with contextlib.closing(urllib.urlopen(source_url)) as source_handle:
+ with open(dest_path, 'wb') as dest_handle:
+ shutil.copyfileobj(fsrc=source_handle, fdst=dest_handle)
+
+
+def main():
+ parser = optparse.OptionParser()
+ required_params = []
+ parser.add_option('--actuals-base-url',
+ action='store', type='string',
+ default=DEFAULT_ACTUALS_BASE_URL,
+ help=('Base URL from which to read files containing JSON '
+ 'summaries of actual GM results; defaults to '
+ '"%default". To get a specific revision (useful for '
+ 'trybots) replace "svn" with "svn-history/r123".'))
+ # TODO(epoger): Rather than telling the user to run "svn ls" to get the list
+ # of builders, add a --list-builders option that will print the list.
+ required_params.append('builder')
+ parser.add_option('--builder',
+ action='store', type='string',
+ help=('REQUIRED: Which builder to download results for. '
+ 'To see a list of builders, run "svn ls %s".' %
+ DEFAULT_ACTUALS_BASE_URL))
+ required_params.append('dest_dir')
+ parser.add_option('--dest-dir',
+ action='store', type='string',
+ help=('REQUIRED: Directory where all images should be '
+ 'written. If this directory does not exist yet, it '
+ 'will be created.'))
+ parser.add_option('--json-filename',
+ action='store', type='string',
+ default=DEFAULT_JSON_FILENAME,
+ help=('JSON summary filename to read for each builder; '
+ 'defaults to "%default".'))
+ (params, remaining_args) = parser.parse_args()
+
+ # Make sure all required options were set,
+ # and that there were no items left over in the command line.
+ for required_param in required_params:
+ if not getattr(params, required_param):
+ raise Exception('required option \'%s\' was not set' % required_param)
+ if len(remaining_args) is not 0:
+ raise Exception('extra items specified in the command line: %s' %
+ remaining_args)
+
+ downloader = Download(actuals_base_url=params.actuals_base_url)
+ downloader.fetch(builder_name=params.builder,
+ dest_dir=params.dest_dir)
+
+
+
+if __name__ == '__main__':
+ main()
--- /dev/null
+#!/usr/bin/python
+
+"""
+Copyright 2014 Google Inc.
+
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+
+Test download.py
+
+TODO(epoger): Create a command to update the expected results (in
+OUTPUT_DIR_EXPECTED) when appropriate. For now, you should:
+1. examine the results in OUTPUT_DIR_ACTUAL and make sure they are ok
+2. rm -rf OUTPUT_DIR_EXPECTED
+3. mv OUTPUT_DIR_ACTUAL OUTPUT_DIR_EXPECTED
+Although, if you're using an SVN checkout, this will blow away .svn directories
+within OUTPUT_DIR_EXPECTED, which wouldn't be good...
+
+"""
+
+# System-level imports
+import filecmp
+import os
+import shutil
+import tempfile
+import unittest
+import urllib
+
+# Imports from within Skia
+import download_actuals
+
+PARENT_DIR = os.path.dirname(os.path.realpath(__file__))
+INPUT_DIR = os.path.join(PARENT_DIR, 'tests', 'inputs')
+OUTPUT_DIR_ACTUAL = os.path.join(PARENT_DIR, 'tests', 'outputs', 'actual')
+OUTPUT_DIR_EXPECTED = os.path.join(PARENT_DIR, 'tests', 'outputs', 'expected')
+
+
+class DownloadTest(unittest.TestCase):
+
+ def setUp(self):
+ self._temp_dir = tempfile.mkdtemp()
+ self._output_dir_actual = os.path.join(OUTPUT_DIR_ACTUAL, self.id())
+ self._output_dir_expected = os.path.join(OUTPUT_DIR_EXPECTED, self.id())
+ create_empty_dir(self._output_dir_actual)
+
+ def tearDown(self):
+ shutil.rmtree(self._temp_dir)
+ if os.path.exists(self._output_dir_expected):
+ different_files = find_different_files(self._output_dir_actual,
+ self._output_dir_expected)
+ # Maybe we should move this assert elsewhere? It's unusual to see an
+ # assert within tearDown(), but my thinking was:
+ # 1. Every test case will have some collection of output files that need
+ # to be validated.
+ # 2. So put that validation within tearDown(), which will be called after
+ # every test case!
+ #
+ # I have confirmed that the test really does fail if this assert is
+ # triggered.
+ #
+ # Ravi notes: if somebody later comes along and adds cleanup code below
+ # this assert, then if tests fail, the artifacts will not be cleaned up.
+ assert (not different_files), \
+ ('found differing files between actual dir %s and expected dir %s: %s' %
+ (self._output_dir_actual, self._output_dir_expected, different_files))
+
+ def shortDescription(self):
+ """Tell unittest framework to not print docstrings for test cases."""
+ return None
+
+ def test_fetch(self):
+ """Tests fetch() of GM results from actual-results.json ."""
+ downloader = download_actuals.Download(
+ actuals_base_url=download_actuals.create_filepath_url(
+ os.path.join(INPUT_DIR, 'gm-actuals')),
+ gm_actuals_root_url=download_actuals.create_filepath_url(
+ os.path.join(INPUT_DIR, 'fake-gm-imagefiles')))
+ downloader.fetch(
+ builder_name='Test-Android-GalaxyNexus-SGX540-Arm7-Release',
+ dest_dir=self._output_dir_actual)
+
+ def test_create_filepath_url(self):
+ """Tests create_filepath_url(). """
+ with self.assertRaises(Exception):
+ url_or_path.create_filepath_url('http://1.2.3.4/path')
+ # Pass absolute filepath.
+ self.assertEquals(
+ download_actuals.create_filepath_url(
+ '%sdir%sfile' % (os.path.sep, os.path.sep)),
+ 'file:///dir/file')
+ # Pass relative filepath.
+ self.assertEquals(
+ download_actuals.create_filepath_url(os.path.join('dir', 'file')),
+ 'file://%s/dir/file' % urllib.pathname2url(os.getcwd()))
+
+ def test_copy_contents(self):
+ """Tests copy_contents(). """
+ contents = 'these are the contents'
+ tempdir_path = tempfile.mkdtemp()
+ try:
+ source_path = os.path.join(tempdir_path, 'source')
+ source_url = download_actuals.create_filepath_url(source_path)
+ with open(source_path, 'w') as source_handle:
+ source_handle.write(contents)
+ dest_path = os.path.join(tempdir_path, 'new_subdir', 'dest')
+ # Destination subdir does not exist, so copy_contents() should fail
+ # if create_subdirs_if_needed is False.
+ with self.assertRaises(Exception):
+ download_actuals.copy_contents(source_url=source_url,
+ dest_path=dest_path,
+ create_subdirs_if_needed=False)
+ # If create_subdirs_if_needed is True, it should work.
+ download_actuals.copy_contents(source_url=source_url,
+ dest_path=dest_path,
+ create_subdirs_if_needed=True)
+ self.assertEquals(open(dest_path).read(), contents)
+ finally:
+ shutil.rmtree(tempdir_path)
+
+
+# TODO(epoger): create_empty_dir(), find_different_files(), etc. should be
+# extracted from this file to some common location, where they can be shared
+# with results_test.py and other users.
+
+def create_empty_dir(path):
+ """Create an empty directory at the given path."""
+ if os.path.isdir(path):
+ shutil.rmtree(path)
+ elif os.path.lexists(path):
+ os.remove(path)
+ os.makedirs(path)
+
+
+def find_different_files(dir1, dir2, ignore_subtree_names=None):
+ """Returns a list of any files that differ between the directory trees rooted
+ at dir1 and dir2.
+
+ Args:
+ dir1: root of a directory tree; if nonexistent, will raise OSError
+ dir2: root of another directory tree; if nonexistent, will raise OSError
+ ignore_subtree_names: list of subtree directory names to ignore;
+ defaults to ['.svn'], so all SVN files are ignores
+
+ TODO(epoger): include the dirname within each filename (not just the
+ basename), to make it easier to locate any differences
+ """
+ differing_files = []
+ if ignore_subtree_names is None:
+ ignore_subtree_names = ['.svn']
+ dircmp = filecmp.dircmp(dir1, dir2, ignore=ignore_subtree_names)
+ differing_files.extend(dircmp.left_only)
+ differing_files.extend(dircmp.right_only)
+ differing_files.extend(dircmp.common_funny)
+ differing_files.extend(dircmp.diff_files)
+ differing_files.extend(dircmp.funny_files)
+ for common_dir in dircmp.common_dirs:
+ differing_files.extend(find_different_files(
+ os.path.join(dir1, common_dir), os.path.join(dir2, common_dir)))
+ return differing_files
+
+
+def main():
+ suite = unittest.TestLoader().loadTestsFromTestCase(DownloadTest)
+ unittest.TextTestRunner(verbosity=2).run(suite)
+
+
+if __name__ == '__main__':
+ main()
projects / platform / upstream / libSkiaSharp.git / commitdiff
