| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # |
| # Most of this file was ported over from Blink's |
| # Tools/Scripts/webkitpy/layout_tests/layout_package/json_results_generator.py |
| # Tools/Scripts/webkitpy/common/net/file_uploader.py |
| # |
| |
| import json |
| import logging |
| import mimetypes |
| import os |
| import time |
| import urllib2 |
| |
| _log = logging.getLogger(__name__) |
| |
| _JSON_PREFIX = 'ADD_RESULTS(' |
| _JSON_SUFFIX = ');' |
| |
| |
| def HasJSONWrapper(string): |
| return string.startswith(_JSON_PREFIX) and string.endswith(_JSON_SUFFIX) |
| |
| |
| def StripJSONWrapper(json_content): |
| # FIXME: Kill this code once the server returns json instead of jsonp. |
| if HasJSONWrapper(json_content): |
| return json_content[len(_JSON_PREFIX):len(json_content) - len(_JSON_SUFFIX)] |
| return json_content |
| |
| |
| def WriteJSON(json_object, file_path, callback=None): |
| # Specify separators in order to get compact encoding. |
| json_string = json.dumps(json_object, separators=(',', ':')) |
| if callback: |
| json_string = callback + '(' + json_string + ');' |
| with open(file_path, 'w') as fp: |
| fp.write(json_string) |
| |
| |
| def ConvertTrieToFlatPaths(trie, prefix=None): |
| """Flattens the trie of paths, prepending a prefix to each.""" |
| result = {} |
| for name, data in trie.iteritems(): |
| if prefix: |
| name = prefix + '/' + name |
| |
| if len(data) and not 'results' in data: |
| result.update(ConvertTrieToFlatPaths(data, name)) |
| else: |
| result[name] = data |
| |
| return result |
| |
| |
| def AddPathToTrie(path, value, trie): |
| """Inserts a single path and value into a directory trie structure.""" |
| if not '/' in path: |
| trie[path] = value |
| return |
| |
| directory, _slash, rest = path.partition('/') |
| if not directory in trie: |
| trie[directory] = {} |
| AddPathToTrie(rest, value, trie[directory]) |
| |
| |
| def TestTimingsTrie(individual_test_timings): |
| """Breaks a test name into dicts by directory |
| |
| foo/bar/baz.html: 1ms |
| foo/bar/baz1.html: 3ms |
| |
| becomes |
| foo: { |
| bar: { |
| baz.html: 1, |
| baz1.html: 3 |
| } |
| } |
| """ |
| trie = {} |
| for test_result in individual_test_timings: |
| test = test_result.test_name |
| |
| AddPathToTrie(test, int(1000 * test_result.test_run_time), trie) |
| |
| return trie |
| |
| |
| class TestResult(object): |
| """A simple class that represents a single test result.""" |
| |
| # Test modifier constants. |
| (NONE, FAILS, FLAKY, DISABLED) = range(4) |
| |
| def __init__(self, test, failed=False, elapsed_time=0): |
| self.test_name = test |
| self.failed = failed |
| self.test_run_time = elapsed_time |
| |
| test_name = test |
| try: |
| test_name = test.split('.')[1] |
| except IndexError: |
| _log.warn('Invalid test name: %s.', test) |
| |
| if test_name.startswith('FAILS_'): |
| self.modifier = self.FAILS |
| elif test_name.startswith('FLAKY_'): |
| self.modifier = self.FLAKY |
| elif test_name.startswith('DISABLED_'): |
| self.modifier = self.DISABLED |
| else: |
| self.modifier = self.NONE |
| |
| def Fixable(self): |
| return self.failed or self.modifier == self.DISABLED |
| |
| |
| class JSONResultsGeneratorBase(object): |
| """A JSON results generator for generic tests.""" |
| |
| MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG = 750 |
| # Min time (seconds) that will be added to the JSON. |
| MIN_TIME = 1 |
| |
| # Note that in non-chromium tests those chars are used to indicate |
| # test modifiers (FAILS, FLAKY, etc) but not actual test results. |
| PASS_RESULT = 'P' |
| SKIP_RESULT = 'X' |
| FAIL_RESULT = 'F' |
| FLAKY_RESULT = 'L' |
| NO_DATA_RESULT = 'N' |
| |
| MODIFIER_TO_CHAR = {TestResult.NONE: PASS_RESULT, |
| TestResult.DISABLED: SKIP_RESULT, |
| TestResult.FAILS: FAIL_RESULT, |
| TestResult.FLAKY: FLAKY_RESULT} |
| |
| VERSION = 4 |
| VERSION_KEY = 'version' |
| RESULTS = 'results' |
| TIMES = 'times' |
| BUILD_NUMBERS = 'buildNumbers' |
| TIME = 'secondsSinceEpoch' |
| TESTS = 'tests' |
| |
| FIXABLE_COUNT = 'fixableCount' |
| FIXABLE = 'fixableCounts' |
| ALL_FIXABLE_COUNT = 'allFixableCount' |
| |
| RESULTS_FILENAME = 'results.json' |
| TIMES_MS_FILENAME = 'times_ms.json' |
| INCREMENTAL_RESULTS_FILENAME = 'incremental_results.json' |
| |
| # line too long pylint: disable=line-too-long |
| URL_FOR_TEST_LIST_JSON = ( |
| 'http://%s/testfile?builder=%s&name=%s&testlistjson=1&testtype=%s&master=%s') |
| # pylint: enable=line-too-long |
| |
| def __init__(self, builder_name, build_name, build_number, |
| results_file_base_path, builder_base_url, |
| test_results_map, svn_repositories=None, |
| test_results_server=None, |
| test_type='', |
| master_name=''): |
| """Modifies the results.json file. Grabs it off the archive directory |
| if it is not found locally. |
| |
| Args |
| builder_name: the builder name (e.g. Webkit). |
| build_name: the build name (e.g. webkit-rel). |
| build_number: the build number. |
| results_file_base_path: Absolute path to the directory containing the |
| results json file. |
| builder_base_url: the URL where we have the archived test results. |
| If this is None no archived results will be retrieved. |
| test_results_map: A dictionary that maps test_name to TestResult. |
| svn_repositories: A (json_field_name, svn_path) pair for SVN |
| repositories that tests rely on. The SVN revision will be |
| included in the JSON with the given json_field_name. |
| test_results_server: server that hosts test results json. |
| test_type: test type string (e.g. 'layout-tests'). |
| master_name: the name of the buildbot master. |
| """ |
| self._builder_name = builder_name |
| self._build_name = build_name |
| self._build_number = build_number |
| self._builder_base_url = builder_base_url |
| self._results_directory = results_file_base_path |
| |
| self._test_results_map = test_results_map |
| self._test_results = test_results_map.values() |
| |
| self._svn_repositories = svn_repositories |
| if not self._svn_repositories: |
| self._svn_repositories = {} |
| |
| self._test_results_server = test_results_server |
| self._test_type = test_type |
| self._master_name = master_name |
| |
| self._archived_results = None |
| |
| def GenerateJSONOutput(self): |
| json_object = self.GetJSON() |
| if json_object: |
| file_path = ( |
| os.path.join( |
| self._results_directory, |
| self.INCREMENTAL_RESULTS_FILENAME)) |
| WriteJSON(json_object, file_path) |
| |
| def GenerateTimesMSFile(self): |
| times = TestTimingsTrie(self._test_results_map.values()) |
| file_path = os.path.join(self._results_directory, self.TIMES_MS_FILENAME) |
| WriteJSON(times, file_path) |
| |
| def GetJSON(self): |
| """Gets the results for the results.json file.""" |
| results_json = {} |
| |
| if not results_json: |
| results_json, error = self._GetArchivedJSONResults() |
| if error: |
| # If there was an error don't write a results.json |
| # file at all as it would lose all the information on the |
| # bot. |
| _log.error('Archive directory is inaccessible. Not ' |
| 'modifying or clobbering the results.json ' |
| 'file: ' + str(error)) |
| return None |
| |
| builder_name = self._builder_name |
| if results_json and builder_name not in results_json: |
| _log.debug('Builder name (%s) is not in the results.json file.' |
| % builder_name) |
| |
| self._ConvertJSONToCurrentVersion(results_json) |
| |
| if builder_name not in results_json: |
| results_json[builder_name] = ( |
| self._CreateResultsForBuilderJSON()) |
| |
| results_for_builder = results_json[builder_name] |
| |
| if builder_name: |
| self._InsertGenericMetaData(results_for_builder) |
| |
| self._InsertFailureSummaries(results_for_builder) |
| |
| # Update the all failing tests with result type and time. |
| tests = results_for_builder[self.TESTS] |
| all_failing_tests = self._GetFailedTestNames() |
| all_failing_tests.update(ConvertTrieToFlatPaths(tests)) |
| |
| for test in all_failing_tests: |
| self._InsertTestTimeAndResult(test, tests) |
| |
| return results_json |
| |
| def SetArchivedResults(self, archived_results): |
| self._archived_results = archived_results |
| |
| def UploadJSONFiles(self, json_files): |
| """Uploads the given json_files to the test_results_server (if the |
| test_results_server is given).""" |
| if not self._test_results_server: |
| return |
| |
| if not self._master_name: |
| _log.error( |
| '--test-results-server was set, but --master-name was not. Not ' |
| 'uploading JSON files.') |
| return |
| |
| _log.info('Uploading JSON files for builder: %s', self._builder_name) |
| attrs = [('builder', self._builder_name), |
| ('testtype', self._test_type), |
| ('master', self._master_name)] |
| |
| files = [(json_file, os.path.join(self._results_directory, json_file)) |
| for json_file in json_files] |
| |
| url = 'http://%s/testfile/upload' % self._test_results_server |
| # Set uploading timeout in case appengine server is having problems. |
| # 120 seconds are more than enough to upload test results. |
| uploader = _FileUploader(url, 120) |
| try: |
| response = uploader.UploadAsMultipartFormData(files, attrs) |
| if response: |
| if response.code == 200: |
| _log.info('JSON uploaded.') |
| else: |
| _log.debug( |
| "JSON upload failed, %d: '%s'" % |
| (response.code, response.read())) |
| else: |
| _log.error('JSON upload failed; no response returned') |
| except Exception, err: |
| _log.error('Upload failed: %s' % err) |
| return |
| |
| def _GetTestTiming(self, test_name): |
| """Returns test timing data (elapsed time) in second |
| for the given test_name.""" |
| if test_name in self._test_results_map: |
| # Floor for now to get time in seconds. |
| return int(self._test_results_map[test_name].test_run_time) |
| return 0 |
| |
| def _GetFailedTestNames(self): |
| """Returns a set of failed test names.""" |
| return set([r.test_name for r in self._test_results if r.failed]) |
| |
| def _GetModifierChar(self, test_name): |
| """Returns a single char (e.g. SKIP_RESULT, FAIL_RESULT, |
| PASS_RESULT, NO_DATA_RESULT, etc) that indicates the test modifier |
| for the given test_name. |
| """ |
| if test_name not in self._test_results_map: |
| return self.__class__.NO_DATA_RESULT |
| |
| test_result = self._test_results_map[test_name] |
| if test_result.modifier in self.MODIFIER_TO_CHAR.keys(): |
| return self.MODIFIER_TO_CHAR[test_result.modifier] |
| |
| return self.__class__.PASS_RESULT |
| |
| def _get_result_char(self, test_name): |
| """Returns a single char (e.g. SKIP_RESULT, FAIL_RESULT, |
| PASS_RESULT, NO_DATA_RESULT, etc) that indicates the test result |
| for the given test_name. |
| """ |
| if test_name not in self._test_results_map: |
| return self.__class__.NO_DATA_RESULT |
| |
| test_result = self._test_results_map[test_name] |
| if test_result.modifier == TestResult.DISABLED: |
| return self.__class__.SKIP_RESULT |
| |
| if test_result.failed: |
| return self.__class__.FAIL_RESULT |
| |
| return self.__class__.PASS_RESULT |
| |
| def _GetSVNRevision(self, in_directory): |
| """Returns the svn revision for the given directory. |
| |
| Args: |
| in_directory: The directory where svn is to be run. |
| """ |
| # This is overridden in flakiness_dashboard_results_uploader.py. |
| raise NotImplementedError() |
| |
| def _GetArchivedJSONResults(self): |
| """Download JSON file that only contains test |
| name list from test-results server. This is for generating incremental |
| JSON so the file generated has info for tests that failed before but |
| pass or are skipped from current run. |
| |
| Returns (archived_results, error) tuple where error is None if results |
| were successfully read. |
| """ |
| results_json = {} |
| old_results = None |
| error = None |
| |
| if not self._test_results_server: |
| return {}, None |
| |
| results_file_url = (self.URL_FOR_TEST_LIST_JSON % |
| (urllib2.quote(self._test_results_server), |
| urllib2.quote(self._builder_name), |
| self.RESULTS_FILENAME, |
| urllib2.quote(self._test_type), |
| urllib2.quote(self._master_name))) |
| |
| try: |
| # FIXME: We should talk to the network via a Host object. |
| results_file = urllib2.urlopen(results_file_url) |
| old_results = results_file.read() |
| except urllib2.HTTPError, http_error: |
| # A non-4xx status code means the bot is hosed for some reason |
| # and we can't grab the results.json file off of it. |
| if http_error.code < 400 and http_error.code >= 500: |
| error = http_error |
| except urllib2.URLError, url_error: |
| error = url_error |
| |
| if old_results: |
| # Strip the prefix and suffix so we can get the actual JSON object. |
| old_results = StripJSONWrapper(old_results) |
| |
| try: |
| results_json = json.loads(old_results) |
| except Exception: |
| _log.debug('results.json was not valid JSON. Clobbering.') |
| # The JSON file is not valid JSON. Just clobber the results. |
| results_json = {} |
| else: |
| _log.debug('Old JSON results do not exist. Starting fresh.') |
| results_json = {} |
| |
| return results_json, error |
| |
| def _InsertFailureSummaries(self, results_for_builder): |
| """Inserts aggregate pass/failure statistics into the JSON. |
| This method reads self._test_results and generates |
| FIXABLE, FIXABLE_COUNT and ALL_FIXABLE_COUNT entries. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for a |
| single builder. |
| """ |
| # Insert the number of tests that failed or skipped. |
| fixable_count = len([r for r in self._test_results if r.Fixable()]) |
| self._InsertItemIntoRawList(results_for_builder, |
| fixable_count, self.FIXABLE_COUNT) |
| |
| # Create a test modifiers (FAILS, FLAKY etc) summary dictionary. |
| entry = {} |
| for test_name in self._test_results_map.iterkeys(): |
| result_char = self._GetModifierChar(test_name) |
| entry[result_char] = entry.get(result_char, 0) + 1 |
| |
| # Insert the pass/skip/failure summary dictionary. |
| self._InsertItemIntoRawList(results_for_builder, entry, |
| self.FIXABLE) |
| |
| # Insert the number of all the tests that are supposed to pass. |
| all_test_count = len(self._test_results) |
| self._InsertItemIntoRawList(results_for_builder, |
| all_test_count, self.ALL_FIXABLE_COUNT) |
| |
| def _InsertItemIntoRawList(self, results_for_builder, item, key): |
| """Inserts the item into the list with the given key in the results for |
| this builder. Creates the list if no such list exists. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for a |
| single builder. |
| item: Number or string to insert into the list. |
| key: Key in results_for_builder for the list to insert into. |
| """ |
| if key in results_for_builder: |
| raw_list = results_for_builder[key] |
| else: |
| raw_list = [] |
| |
| raw_list.insert(0, item) |
| raw_list = raw_list[:self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG] |
| results_for_builder[key] = raw_list |
| |
| def _InsertItemRunLengthEncoded(self, item, encoded_results): |
| """Inserts the item into the run-length encoded results. |
| |
| Args: |
| item: String or number to insert. |
| encoded_results: run-length encoded results. An array of arrays, e.g. |
| [[3,'A'],[1,'Q']] encodes AAAQ. |
| """ |
| if len(encoded_results) and item == encoded_results[0][1]: |
| num_results = encoded_results[0][0] |
| if num_results <= self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG: |
| encoded_results[0][0] = num_results + 1 |
| else: |
| # Use a list instead of a class for the run-length encoding since |
| # we want the serialized form to be concise. |
| encoded_results.insert(0, [1, item]) |
| |
| def _InsertGenericMetaData(self, results_for_builder): |
| """ Inserts generic metadata (such as version number, current time etc) |
| into the JSON. |
| |
| Args: |
| results_for_builder: Dictionary containing the test results for |
| a single builder. |
| """ |
| self._InsertItemIntoRawList(results_for_builder, |
| self._build_number, self.BUILD_NUMBERS) |
| |
| # Include SVN revisions for the given repositories. |
| for (name, path) in self._svn_repositories: |
| # Note: for JSON file's backward-compatibility we use 'chrome' rather |
| # than 'chromium' here. |
| lowercase_name = name.lower() |
| if lowercase_name == 'chromium': |
| lowercase_name = 'chrome' |
| self._InsertItemIntoRawList(results_for_builder, |
| self._GetSVNRevision(path), |
| lowercase_name + 'Revision') |
| |
| self._InsertItemIntoRawList(results_for_builder, |
| int(time.time()), |
| self.TIME) |
| |
| def _InsertTestTimeAndResult(self, test_name, tests): |
| """ Insert a test item with its results to the given tests dictionary. |
| |
| Args: |
| tests: Dictionary containing test result entries. |
| """ |
| |
| result = self._get_result_char(test_name) |
| test_time = self._GetTestTiming(test_name) |
| |
| this_test = tests |
| for segment in test_name.split('/'): |
| if segment not in this_test: |
| this_test[segment] = {} |
| this_test = this_test[segment] |
| |
| if not len(this_test): |
| self._PopulateResultsAndTimesJSON(this_test) |
| |
| if self.RESULTS in this_test: |
| self._InsertItemRunLengthEncoded(result, this_test[self.RESULTS]) |
| else: |
| this_test[self.RESULTS] = [[1, result]] |
| |
| if self.TIMES in this_test: |
| self._InsertItemRunLengthEncoded(test_time, this_test[self.TIMES]) |
| else: |
| this_test[self.TIMES] = [[1, test_time]] |
| |
| def _ConvertJSONToCurrentVersion(self, results_json): |
| """If the JSON does not match the current version, converts it to the |
| current version and adds in the new version number. |
| """ |
| if self.VERSION_KEY in results_json: |
| archive_version = results_json[self.VERSION_KEY] |
| if archive_version == self.VERSION: |
| return |
| else: |
| archive_version = 3 |
| |
| # version 3->4 |
| if archive_version == 3: |
| for results in results_json.values(): |
| self._ConvertTestsToTrie(results) |
| |
| results_json[self.VERSION_KEY] = self.VERSION |
| |
| def _ConvertTestsToTrie(self, results): |
| if not self.TESTS in results: |
| return |
| |
| test_results = results[self.TESTS] |
| test_results_trie = {} |
| for test in test_results.iterkeys(): |
| single_test_result = test_results[test] |
| AddPathToTrie(test, single_test_result, test_results_trie) |
| |
| results[self.TESTS] = test_results_trie |
| |
| def _PopulateResultsAndTimesJSON(self, results_and_times): |
| results_and_times[self.RESULTS] = [] |
| results_and_times[self.TIMES] = [] |
| return results_and_times |
| |
| def _CreateResultsForBuilderJSON(self): |
| results_for_builder = {} |
| results_for_builder[self.TESTS] = {} |
| return results_for_builder |
| |
| def _RemoveItemsOverMaxNumberOfBuilds(self, encoded_list): |
| """Removes items from the run-length encoded list after the final |
| item that exceeds the max number of builds to track. |
| |
| Args: |
| encoded_results: run-length encoded results. An array of arrays, e.g. |
| [[3,'A'],[1,'Q']] encodes AAAQ. |
| """ |
| num_builds = 0 |
| index = 0 |
| for result in encoded_list: |
| num_builds = num_builds + result[0] |
| index = index + 1 |
| if num_builds > self.MAX_NUMBER_OF_BUILD_RESULTS_TO_LOG: |
| return encoded_list[:index] |
| return encoded_list |
| |
| def _NormalizeResultsJSON(self, test, test_name, tests): |
| """ Prune tests where all runs pass or tests that no longer exist and |
| truncate all results to maxNumberOfBuilds. |
| |
| Args: |
| test: ResultsAndTimes object for this test. |
| test_name: Name of the test. |
| tests: The JSON object with all the test results for this builder. |
| """ |
| test[self.RESULTS] = self._RemoveItemsOverMaxNumberOfBuilds( |
| test[self.RESULTS]) |
| test[self.TIMES] = self._RemoveItemsOverMaxNumberOfBuilds( |
| test[self.TIMES]) |
| |
| is_all_pass = self._IsResultsAllOfType(test[self.RESULTS], |
| self.PASS_RESULT) |
| is_all_no_data = self._IsResultsAllOfType(test[self.RESULTS], |
| self.NO_DATA_RESULT) |
| max_time = max([test_time[1] for test_time in test[self.TIMES]]) |
| |
| # Remove all passes/no-data from the results to reduce noise and |
| # filesize. If a test passes every run, but takes > MIN_TIME to run, |
| # don't throw away the data. |
| if is_all_no_data or (is_all_pass and max_time <= self.MIN_TIME): |
| del tests[test_name] |
| |
| # method could be a function pylint: disable=R0201 |
| def _IsResultsAllOfType(self, results, result_type): |
| """Returns whether all the results are of the given type |
| (e.g. all passes).""" |
| return len(results) == 1 and results[0][1] == result_type |
| |
| |
| class _FileUploader(object): |
| |
| def __init__(self, url, timeout_seconds): |
| self._url = url |
| self._timeout_seconds = timeout_seconds |
| |
| def UploadAsMultipartFormData(self, files, attrs): |
| file_objs = [] |
| for filename, path in files: |
| with file(path, 'rb') as fp: |
| file_objs.append(('file', filename, fp.read())) |
| |
| # FIXME: We should use the same variable names for the formal and actual |
| # parameters. |
| content_type, data = _EncodeMultipartFormData(attrs, file_objs) |
| return self._UploadData(content_type, data) |
| |
| def _UploadData(self, content_type, data): |
| start = time.time() |
| end = start + self._timeout_seconds |
| while time.time() < end: |
| try: |
| request = urllib2.Request(self._url, data, |
| {'Content-Type': content_type}) |
| return urllib2.urlopen(request) |
| except urllib2.HTTPError as e: |
| _log.warn("Received HTTP status %s loading \"%s\". " |
| 'Retrying in 10 seconds...' % (e.code, e.filename)) |
| time.sleep(10) |
| |
| |
| def _GetMIMEType(filename): |
| return mimetypes.guess_type(filename)[0] or 'application/octet-stream' |
| |
| |
| # FIXME: Rather than taking tuples, this function should take more |
| # structured data. |
| def _EncodeMultipartFormData(fields, files): |
| """Encode form fields for multipart/form-data. |
| |
| Args: |
| fields: A sequence of (name, value) elements for regular form fields. |
| files: A sequence of (name, filename, value) elements for data to be |
| uploaded as files. |
| Returns: |
| (content_type, body) ready for httplib.HTTP instance. |
| |
| Source: |
| http://code.google.com/p/rietveld/source/browse/trunk/upload.py |
| """ |
| BOUNDARY = '-M-A-G-I-C---B-O-U-N-D-A-R-Y-' |
| CRLF = '\r\n' |
| lines = [] |
| |
| for key, value in fields: |
| lines.append('--' + BOUNDARY) |
| lines.append('Content-Disposition: form-data; name="%s"' % key) |
| lines.append('') |
| if isinstance(value, unicode): |
| value = value.encode('utf-8') |
| lines.append(value) |
| |
| for key, filename, value in files: |
| lines.append('--' + BOUNDARY) |
| lines.append('Content-Disposition: form-data; name="%s"; ' |
| 'filename="%s"' % (key, filename)) |
| lines.append('Content-Type: %s' % _GetMIMEType(filename)) |
| lines.append('') |
| if isinstance(value, unicode): |
| value = value.encode('utf-8') |
| lines.append(value) |
| |
| lines.append('--' + BOUNDARY + '--') |
| lines.append('') |
| body = CRLF.join(lines) |
| content_type = 'multipart/form-data; boundary=%s' % BOUNDARY |
| return content_type, body |
