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# 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.
import json
import logging
from webkitpy.common.memoized import memoized
# FIXME: common should never import from new-run-webkit-tests, one of these files needs to move.
from webkitpy.layout_tests.layout_package import json_results_generator
from webkitpy.layout_tests.models import test_expectations, test_results, test_failures
from webkitpy.layout_tests.models.test_expectations import TestExpectations
_log = logging.getLogger(__name__)
# These are helper functions for navigating the results json structure.
def for_each_test(tree, handler, prefix=''):
for key in tree:
new_prefix = (prefix + '/' + key) if prefix else key
if 'actual' not in tree[key]:
for_each_test(tree[key], handler, new_prefix)
else:
handler(new_prefix, tree[key])
def result_for_test(tree, test):
parts = test.split('/')
for part in parts:
tree = tree[part]
return tree
# Wrapper around the dictionaries returned from the json.
# Eventually the .json should just serialize the TestFailure objects
# directly and we won't need this.
class JSONTestResult(object):
def __init__(self, test_name, result_dict):
self._test_name = test_name
self._result_dict = result_dict
def did_pass_or_run_as_expected(self):
return self.did_pass() or self.did_run_as_expected()
def did_pass(self):
return test_expectations.PASS in self._actual_as_tokens()
def did_run_as_expected(self):
actual_results = self._actual_as_tokens()
expected_results = self._expected_as_tokens()
# FIXME: We should only call remove_pixel_failures when this JSONResult
# came from a test run without pixel tests!
if not TestExpectations.has_pixel_failures(actual_results):
expected_results = TestExpectations.remove_pixel_failures(expected_results)
for actual_result in actual_results:
if not TestExpectations.result_was_expected(actual_result, expected_results, False, False):
return False
return True
def _tokenize(self, results_string):
tokens = map(TestExpectations.expectation_from_string, results_string.split(' '))
if None in tokens:
_log.warning("Unrecognized result in %s" % results_string)
return set(tokens)
@memoized
def _actual_as_tokens(self):
actual_results = self._result_dict['actual']
return self._tokenize(actual_results)
@memoized
def _expected_as_tokens(self):
actual_results = self._result_dict['expected']
return self._tokenize(actual_results)
def _failure_types_from_actual_result(self, actual):
# FIXME: There doesn't seem to be a full list of all possible values of
# 'actual' anywhere. However JSONLayoutResultsGenerator.FAILURE_TO_CHAR
# is a useful reference as that's for "old" style results.json files
#
# FIXME: TEXT, IMAGE_PLUS_TEXT, and AUDIO are obsolete but we keep them for
# now so that we can parse old results.json files.
if actual == test_expectations.PASS:
return []
elif actual == test_expectations.FAIL:
return [test_failures.FailureTextMismatch(), test_failures.FailureImageHashMismatch(), test_failures.FailureAudioMismatch()]
elif actual == test_expectations.TEXT:
return [test_failures.FailureTextMismatch()]
elif actual == test_expectations.IMAGE:
return [test_failures.FailureImageHashMismatch()]
elif actual == test_expectations.IMAGE_PLUS_TEXT:
return [test_failures.FailureImageHashMismatch(), test_failures.FailureTextMismatch()]
elif actual == test_expectations.AUDIO:
return [test_failures.FailureAudioMismatch()]
elif actual == test_expectations.TIMEOUT:
return [test_failures.FailureTimeout()]
elif actual == test_expectations.CRASH:
# NOTE: We don't know what process crashed from the json, just that a process crashed.
return [test_failures.FailureCrash()]
elif actual == test_expectations.MISSING:
return [test_failures.FailureMissingResult(), test_failures.FailureMissingImageHash(), test_failures.FailureMissingImage()]
else:
_log.warning("Failed to handle: %s" % self._result_dict['actual'])
return []
def _failures(self):
if self.did_pass():
return []
return sum(map(self._failure_types_from_actual_result, self._actual_as_tokens()), [])
def test_result(self):
# FIXME: Optionally pull in the test runtime from times_ms.json.
return test_results.TestResult(self._test_name, self._failures())
class ResultsJSONParser(object):
@classmethod
def parse_results_json(cls, json_string):
if not json_results_generator.has_json_wrapper(json_string):
return None
content_string = json_results_generator.strip_json_wrapper(json_string)
json_dict = json.loads(content_string)
json_results = []
for_each_test(json_dict['tests'], lambda test, result: json_results.append(JSONTestResult(test, result)))
# FIXME: What's the short sexy python way to filter None?
# I would use [foo.bar() for foo in foos if foo.bar()] but bar() is expensive.
unexpected_failures = [result.test_result() for result in json_results if not result.did_pass_or_run_as_expected()]
return filter(lambda a: a, unexpected_failures)
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