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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 """Gathers information about JARs such as test methods and annotations.""" | |
| 6 | |
| 7 import collections | |
| 8 import logging | |
| 9 import os | |
| 10 import pickle | |
| 11 import re | |
| 12 | |
| 13 # TODO(frankf): Move cmd_helper to utils. | |
| 14 from pylib import cmd_helper | |
| 15 | |
| 16 # If you change the cached output of proguard, increment this number | |
| 17 PICKLE_FORMAT_VERSION = 1 | |
| 18 | |
| 19 | |
| 20 class JarInfo(object): | |
| 21 """Helper class for inspecting Jars.""" | |
| 22 | |
| 23 def __init__(self, jar_path): | |
| 24 self._PROGUARD_PATH = os.path.join(os.environ['ANDROID_SDK_ROOT'], | |
| 25 'tools/proguard/bin/proguard.sh') | |
| 26 if not os.path.exists(self._PROGUARD_PATH): | |
| 27 self._PROGUARD_PATH = os.path.join(os.environ['ANDROID_BUILD_TOP'], | |
| 28 'external/proguard/bin/proguard.sh') | |
| 29 self._PROGUARD_CLASS_RE = re.compile(r'\s*?- Program class:\s*([\S]+)$') | |
| 30 self._PROGUARD_METHOD_RE = re.compile(r'\s*?- Method:\s*(\S*)[(].*$') | |
| 31 self._PROGUARD_ANNOTATION_RE = re.compile(r'\s*?- Annotation \[L(\S*);\]:$') | |
| 32 self._PROGUARD_ANNOTATION_CONST_RE = ( | |
| 33 re.compile(r'\s*?- Constant element value.*$')) | |
| 34 self._PROGUARD_ANNOTATION_VALUE_RE = re.compile(r'\s*?- \S+? \[(.*)\]$') | |
| 35 | |
| 36 if not os.path.exists(jar_path): | |
| 37 raise Exception('%s not found, please build it' % jar_path) | |
| 38 self._jar_path = jar_path | |
| 39 self._annotation_map = collections.defaultdict(list) | |
| 40 self._pickled_proguard_name = self._jar_path + '-proguard.pickle' | |
| 41 self._test_methods = [] | |
| 42 if not self._GetCachedProguardData(): | |
| 43 self._GetProguardData() | |
| 44 | |
| 45 def _GetCachedProguardData(self): | |
| 46 if (os.path.exists(self._pickled_proguard_name) and | |
| 47 (os.path.getmtime(self._pickled_proguard_name) > | |
| 48 os.path.getmtime(self._jar_path))): | |
| 49 logging.info('Loading cached proguard output from %s', | |
| 50 self._pickled_proguard_name) | |
| 51 try: | |
| 52 with open(self._pickled_proguard_name, 'r') as r: | |
| 53 d = pickle.loads(r.read()) | |
| 54 if d['VERSION'] == PICKLE_FORMAT_VERSION: | |
| 55 self._annotation_map = d['ANNOTATION_MAP'] | |
| 56 self._test_methods = d['TEST_METHODS'] | |
| 57 return True | |
| 58 except: | |
| 59 logging.warning('PICKLE_FORMAT_VERSION has changed, ignoring cache') | |
| 60 return False | |
| 61 | |
| 62 def _GetProguardData(self): | |
| 63 proguard_output = cmd_helper.GetCmdOutput([self._PROGUARD_PATH, | |
| 64 '-injars', self._jar_path, | |
| 65 '-dontshrink', | |
| 66 '-dontoptimize', | |
| 67 '-dontobfuscate', | |
| 68 '-dontpreverify', | |
| 69 '-dump', | |
| 70 ]).split('\n') | |
| 71 clazz = None | |
| 72 method = None | |
| 73 annotation = None | |
| 74 has_value = False | |
| 75 qualified_method = None | |
| 76 for line in proguard_output: | |
| 77 m = self._PROGUARD_CLASS_RE.match(line) | |
| 78 if m: | |
| 79 clazz = m.group(1).replace('/', '.') # Change package delim. | |
| 80 annotation = None | |
| 81 continue | |
| 82 | |
| 83 m = self._PROGUARD_METHOD_RE.match(line) | |
| 84 if m: | |
| 85 method = m.group(1) | |
| 86 annotation = None | |
| 87 qualified_method = clazz + '#' + method | |
| 88 if method.startswith('test') and clazz.endswith('Test'): | |
| 89 self._test_methods += [qualified_method] | |
| 90 continue | |
| 91 | |
| 92 if not qualified_method: | |
| 93 # Ignore non-method annotations. | |
| 94 continue | |
| 95 | |
| 96 m = self._PROGUARD_ANNOTATION_RE.match(line) | |
| 97 if m: | |
| 98 annotation = m.group(1).split('/')[-1] # Ignore the annotation package. | |
| 99 self._annotation_map[qualified_method].append(annotation) | |
| 100 has_value = False | |
| 101 continue | |
| 102 if annotation: | |
| 103 if not has_value: | |
| 104 m = self._PROGUARD_ANNOTATION_CONST_RE.match(line) | |
| 105 if m: | |
| 106 has_value = True | |
| 107 else: | |
| 108 m = self._PROGUARD_ANNOTATION_VALUE_RE.match(line) | |
| 109 if m: | |
| 110 value = m.group(1) | |
| 111 self._annotation_map[qualified_method].append( | |
| 112 annotation + ':' + value) | |
| 113 has_value = False | |
| 114 | |
| 115 logging.info('Storing proguard output to %s', self._pickled_proguard_name) | |
| 116 d = {'VERSION': PICKLE_FORMAT_VERSION, | |
| 117 'ANNOTATION_MAP': self._annotation_map, | |
| 118 'TEST_METHODS': self._test_methods} | |
| 119 with open(self._pickled_proguard_name, 'w') as f: | |
| 120 f.write(pickle.dumps(d)) | |
| 121 | |
| 122 def _GetAnnotationMap(self): | |
| 123 return self._annotation_map | |
| 124 | |
| 125 def _IsTestMethod(self, test): | |
| 126 class_name, method = test.split('#') | |
| 127 return class_name.endswith('Test') and method.startswith('test') | |
| 128 | |
| 129 def GetTestAnnotations(self, test): | |
| 130 """Returns a list of all annotations for the given |test|. May be empty.""" | |
| 131 if not self._IsTestMethod(test): | |
| 132 return [] | |
| 133 return self._GetAnnotationMap()[test] | |
| 134 | |
| 135 def _AnnotationsMatchFilters(self, annotation_filter_list, annotations): | |
| 136 """Checks if annotations match any of the filters.""" | |
| 137 if not annotation_filter_list: | |
| 138 return True | |
| 139 for annotation_filter in annotation_filter_list: | |
| 140 filters = annotation_filter.split('=') | |
| 141 if len(filters) == 2: | |
| 142 key = filters[0] | |
| 143 value_list = filters[1].split(',') | |
| 144 for value in value_list: | |
| 145 if key + ':' + value in annotations: | |
| 146 return True | |
| 147 elif annotation_filter in annotations: | |
| 148 return True | |
| 149 return False | |
| 150 | |
| 151 def GetAnnotatedTests(self, annotation_filter_list): | |
| 152 """Returns a list of all tests that match the given annotation filters.""" | |
| 153 return [test for test, annotations in self._GetAnnotationMap().iteritems() | |
| 154 if self._IsTestMethod(test) and self._AnnotationsMatchFilters( | |
| 155 annotation_filter_list, annotations)] | |
| 156 | |
| 157 def GetTestMethods(self): | |
| 158 """Returns a list of all test methods in this jar as Class#testMethod.""" | |
| 159 return self._test_methods | |
| 160 | |
| 161 @staticmethod | |
| 162 def IsPythonDrivenTest(test): | |
| 163 return 'pythonDrivenTests' in test | |
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