1# Copyright (C) 2010 Google Inc. All rights reserved. 2# 3# Redistribution and use in source and binary forms, with or without 4# modification, are permitted provided that the following conditions are 5# met: 6# 7# * Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# * Redistributions in binary form must reproduce the above 10# copyright notice, this list of conditions and the following disclaimer 11# in the documentation and/or other materials provided with the 12# distribution. 13# * Neither the name of Google Inc. nor the names of its 14# contributors may be used to endorse or promote products derived from 15# this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29import json 30import logging 31 32_log = logging.getLogger(__name__) 33 34_JSON_PREFIX = "ADD_RESULTS(" 35_JSON_SUFFIX = ");" 36 37 38def has_json_wrapper(string): 39 return string.startswith(_JSON_PREFIX) and string.endswith(_JSON_SUFFIX) 40 41 42def strip_json_wrapper(json_content): 43 # FIXME: Kill this code once the server returns json instead of jsonp. 44 if has_json_wrapper(json_content): 45 return json_content[len(_JSON_PREFIX):len(json_content) - len(_JSON_SUFFIX)] 46 return json_content 47 48 49def load_json(filesystem, file_path): 50 content = filesystem.read_text_file(file_path) 51 content = strip_json_wrapper(content) 52 return json.loads(content) 53 54 55def write_json(filesystem, json_object, file_path, callback=None): 56 # Specify separators in order to get compact encoding. 57 json_string = json.dumps(json_object, separators=(',', ':')) 58 if callback: 59 json_string = callback + "(" + json_string + ");" 60 filesystem.write_text_file(file_path, json_string) 61 62 63def convert_trie_to_flat_paths(trie, prefix=None): 64 """Converts the directory structure in the given trie to flat paths, prepending a prefix to each.""" 65 result = {} 66 for name, data in trie.iteritems(): 67 if prefix: 68 name = prefix + "/" + name 69 70 if len(data) and not "results" in data: 71 result.update(convert_trie_to_flat_paths(data, name)) 72 else: 73 result[name] = data 74 75 return result 76 77 78def add_path_to_trie(path, value, trie): 79 """Inserts a single flat directory path and associated value into a directory trie structure.""" 80 if not "/" in path: 81 trie[path] = value 82 return 83 84 directory, slash, rest = path.partition("/") 85 if not directory in trie: 86 trie[directory] = {} 87 add_path_to_trie(rest, value, trie[directory]) 88 89 90def test_timings_trie(individual_test_timings): 91 """Breaks a test name into chunks by directory and puts the test time as a value in the lowest part, e.g. 92 foo/bar/baz.html: 1ms 93 foo/bar/baz1.html: 3ms 94 95 becomes 96 foo: { 97 bar: { 98 baz.html: 1, 99 baz1.html: 3 100 } 101 } 102 """ 103 trie = {} 104 for test_result in individual_test_timings: 105 test = test_result.test_name 106 107 add_path_to_trie(test, int(1000 * test_result.test_run_time), trie) 108 109 return trie 110 111 112# FIXME: We already have a TestResult class in test_results.py 113class TestResult(object): 114 """A simple class that represents a single test result.""" 115 116 # Test modifier constants. 117 (NONE, FAILS, FLAKY, DISABLED) = range(4) 118 119 def __init__(self, test, failed=False, elapsed_time=0): 120 self.test_name = test 121 self.failed = failed 122 self.test_run_time = elapsed_time 123 124 test_name = test 125 try: 126 test_name = test.split('.')[1] 127 except IndexError: 128 _log.warn("Invalid test name: %s.", test) 129 pass 130 131 if test_name.startswith('FAILS_'): 132 self.modifier = self.FAILS 133 elif test_name.startswith('FLAKY_'): 134 self.modifier = self.FLAKY 135 elif test_name.startswith('DISABLED_'): 136 self.modifier = self.DISABLED 137 else: 138 self.modifier = self.NONE 139 140 def fixable(self): 141 return self.failed or self.modifier == self.DISABLED 142