blob: ca61f3f0b70021b6d18628addfeee206bebce92d [file] [log] [blame]
# Copyright 2021 The PDFium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from __future__ import print_function
import os
import logging
import shlex
import shutil
# pylint: disable=relative-import
import pdfium_skia_gold_properties
import pdfium_skia_gold_session_manager
GS_BUCKET = 'skia-pdfium-gm'
def _ParseKeyValuePairs(kv_str):
"""
Parses a string of the type 'key1 value1 key2 value2' into a dict.
"""
kv_pairs = shlex.split(kv_str)
if len(kv_pairs) % 2:
raise ValueError('Uneven number of key/value pairs. Got %s' % kv_str)
return {kv_pairs[i]: kv_pairs[i + 1] for i in xrange(0, len(kv_pairs), 2)}
def add_skia_gold_args(parser):
group = parser.add_argument_group('Skia Gold Arguments')
group.add_argument(
'--git-revision', help='Revision being tested.', default=None)
group.add_argument(
'--gerrit-issue',
help='For Skia Gold integration. Gerrit issue ID.',
default='')
group.add_argument(
'--gerrit-patchset',
help='For Skia Gold integration. Gerrit patch set number.',
default='')
group.add_argument(
'--buildbucket-id',
help='For Skia Gold integration. Buildbucket build ID.',
default='')
group.add_argument(
'--bypass-skia-gold-functionality',
action='store_true',
default=False,
help='Bypass all interaction with Skia Gold, effectively disabling the '
'image comparison portion of any tests that use Gold. Only meant to '
'be used in case a Gold outage occurs and cannot be fixed quickly.')
local_group = group.add_mutually_exclusive_group()
local_group.add_argument(
'--local-pixel-tests',
action='store_true',
default=None,
help='Specifies to run the test harness in local run mode or not. When '
'run in local mode, uploading to Gold is disabled and links to '
'help with local debugging are output. Running in local mode also '
'implies --no-luci-auth. If both this and --no-local-pixel-tests are '
'left unset, the test harness will attempt to detect whether it is '
'running on a workstation or not and set this option accordingly.')
local_group.add_argument(
'--no-local-pixel-tests',
action='store_false',
dest='local_pixel_tests',
help='Specifies to run the test harness in non-local (bot) mode. When '
'run in this mode, data is actually uploaded to Gold and triage links '
'arge generated. If both this and --local-pixel-tests are left unset, '
'the test harness will attempt to detect whether it is running on a '
'workstation or not and set this option accordingly.')
group.add_argument(
'--no-luci-auth',
action='store_true',
default=False,
help='Don\'t use the service account provided by LUCI for '
'authentication for Skia Gold, instead relying on gsutil to be '
'pre-authenticated. Meant for testing locally instead of on the bots.')
group.add_argument(
'--gold_key',
default='',
dest="gold_key",
help='Key value pairs of config data such like the hardware/software '
'configuration the image was produced on.')
group.add_argument(
'--gold_output_dir',
default='',
dest="gold_output_dir",
help='Path to the dir where diff output image files are saved, '
'if running locally. If this is a tryjob run, will contain link to skia '
'gold CL triage link. Required with --run-skia-gold.')
def clear_gold_output_dir(output_dir):
# make sure the output directory exists and is empty.
if os.path.exists(output_dir):
shutil.rmtree(output_dir, ignore_errors=True)
os.makedirs(output_dir)
class SkiaGoldTester(object):
def __init__(self, source_type, skia_gold_args, process_name=None):
"""
source_type: source_type (=corpus) field used for all results.
skia_gold_args: Parsed arguments from argparse.ArgumentParser.
process_name: Unique name of current process, if multiprocessing is on.
"""
self._source_type = source_type
self._output_dir = skia_gold_args.gold_output_dir
# goldctl is not thread safe, so each process needs its own directory
if process_name:
self._output_dir = os.path.join(skia_gold_args.gold_output_dir,
process_name)
clear_gold_output_dir(self._output_dir)
self._keys = _ParseKeyValuePairs(skia_gold_args.gold_key)
self._old_gold_props = _ParseKeyValuePairs(skia_gold_args.gold_properties)
self._skia_gold_args = skia_gold_args
self._skia_gold_session_manager = None
self._skia_gold_properties = None
def WriteCLTriageLink(self, link):
# pdfium recipe will read from this file and display the link in the step
# presentation
assert isinstance(link, str)
output_file_name = os.path.join(self._output_dir, 'cl_triage_link.txt')
if os.path.exists(output_file_name):
os.remove(output_file_name)
with open(output_file_name, 'wb') as outfile:
outfile.write(link)
def GetSkiaGoldProperties(self):
if not self._skia_gold_properties:
if self._old_gold_props:
self._skia_gold_args.git_revision = self._old_gold_props['gitHash']
self._skia_gold_args.gerrit_issue = self._old_gold_props['issue']
self._skia_gold_args.gerrit_patchset = self._old_gold_props['patchset']
self._skia_gold_args.buildbucket_id = \
self._old_gold_props['buildbucket_build_id']
if self._skia_gold_args.local_pixel_tests is None:
self._skia_gold_args.local_pixel_tests = 'SWARMING_SERVER' \
not in os.environ
self._skia_gold_properties = pdfium_skia_gold_properties\
.PDFiumSkiaGoldProperties(self._skia_gold_args)
return self._skia_gold_properties
def GetSkiaGoldSessionManager(self):
if not self._skia_gold_session_manager:
self._skia_gold_session_manager = pdfium_skia_gold_session_manager\
.PDFiumSkiaGoldSessionManager(self._output_dir,
self.GetSkiaGoldProperties())
return self._skia_gold_session_manager
def IsTryjobRun(self):
return self.GetSkiaGoldProperties().IsTryjobRun()
def GetCLTriageLink(self):
return 'https://pdfium-gold.skia.org/search?issue={issue}&crs=gerrit&'\
'corpus={source_type}'.format(
issue=self.GetSkiaGoldProperties().issue, source_type=self._source_type)
def UploadTestResultToSkiaGold(self, image_name, image_path):
gold_properties = self.GetSkiaGoldProperties()
use_luci = not (gold_properties.local_pixel_tests or
gold_properties.no_luci_auth)
gold_session = self.GetSkiaGoldSessionManager()\
.GetSkiaGoldSession(self._keys, corpus=self._source_type,
bucket=GS_BUCKET)
status, error = gold_session.RunComparison(
name=image_name, png_file=image_path, use_luci=use_luci)
status_codes =\
self.GetSkiaGoldSessionManager().GetSessionClass().StatusCodes
if status == status_codes.SUCCESS:
return True
elif status == status_codes.AUTH_FAILURE:
logging.error('Gold authentication failed with output %s', error)
elif status == status_codes.INIT_FAILURE:
logging.error('Gold initialization failed with output %s', error)
elif status == status_codes.COMPARISON_FAILURE_REMOTE:
logging.error('Remote comparison failed. See outputted triage links.')
elif status == status_codes.COMPARISON_FAILURE_LOCAL:
logging.error('Local comparison failed. Local diff files:')
_OutputLocalDiffFiles(gold_session, image_name)
print()
elif status == status_codes.LOCAL_DIFF_FAILURE:
logging.error(
'Local comparison failed and an error occurred during diff '
'generation: %s', error)
# There might be some files, so try outputting them.
logging.error('Local diff files:')
_OutputLocalDiffFiles(gold_session, image_name)
print()
else:
logging.error(
'Given unhandled SkiaGoldSession StatusCode %s with error %s', status,
error)
return False
def _OutputLocalDiffFiles(gold_session, image_name):
"""Logs the local diff image files from the given SkiaGoldSession.
Args:
gold_session: A skia_gold_session.SkiaGoldSession instance to pull files
from.
image_name: A string containing the name of the image/test that was
compared.
"""
given_file = gold_session.GetGivenImageLink(image_name)
closest_file = gold_session.GetClosestImageLink(image_name)
diff_file = gold_session.GetDiffImageLink(image_name)
failure_message = 'Unable to retrieve link'
logging.error('Generated image for %s: %s', image_name, given_file or
failure_message)
logging.error('Closest image for %s: %s', image_name, closest_file or
failure_message)
logging.error('Diff image for %s: %s', image_name, diff_file or
failure_message)