Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | # Copyright (C) 2013 Intel Corporation |
| 2 | # |
| 3 | # Released under the MIT license (see COPYING.MIT) |
| 4 | |
| 5 | # Some custom decorators that can be used by unittests |
| 6 | # Most useful is skipUnlessPassed which can be used for |
| 7 | # creating dependecies between two test methods. |
| 8 | |
| 9 | import os |
| 10 | import logging |
| 11 | import sys |
| 12 | import unittest |
| 13 | import threading |
| 14 | import signal |
| 15 | from functools import wraps |
| 16 | |
| 17 | #get the "result" object from one of the upper frames provided that one of these upper frames is a unittest.case frame |
| 18 | class getResults(object): |
| 19 | def __init__(self): |
| 20 | #dynamically determine the unittest.case frame and use it to get the name of the test method |
| 21 | ident = threading.current_thread().ident |
| 22 | upperf = sys._current_frames()[ident] |
| 23 | while (upperf.f_globals['__name__'] != 'unittest.case'): |
| 24 | upperf = upperf.f_back |
| 25 | |
| 26 | def handleList(items): |
| 27 | ret = [] |
| 28 | # items is a list of tuples, (test, failure) or (_ErrorHandler(), Exception()) |
| 29 | for i in items: |
| 30 | s = i[0].id() |
| 31 | #Handle the _ErrorHolder objects from skipModule failures |
| 32 | if "setUpModule (" in s: |
| 33 | ret.append(s.replace("setUpModule (", "").replace(")","")) |
| 34 | else: |
| 35 | ret.append(s) |
| 36 | return ret |
| 37 | self.faillist = handleList(upperf.f_locals['result'].failures) |
| 38 | self.errorlist = handleList(upperf.f_locals['result'].errors) |
| 39 | self.skiplist = handleList(upperf.f_locals['result'].skipped) |
| 40 | |
| 41 | def getFailList(self): |
| 42 | return self.faillist |
| 43 | |
| 44 | def getErrorList(self): |
| 45 | return self.errorlist |
| 46 | |
| 47 | def getSkipList(self): |
| 48 | return self.skiplist |
| 49 | |
| 50 | class skipIfFailure(object): |
| 51 | |
| 52 | def __init__(self,testcase): |
| 53 | self.testcase = testcase |
| 54 | |
| 55 | def __call__(self,f): |
| 56 | def wrapped_f(*args): |
| 57 | res = getResults() |
| 58 | if self.testcase in (res.getFailList() or res.getErrorList()): |
| 59 | raise unittest.SkipTest("Testcase dependency not met: %s" % self.testcase) |
| 60 | return f(*args) |
| 61 | wrapped_f.__name__ = f.__name__ |
| 62 | return wrapped_f |
| 63 | |
| 64 | class skipIfSkipped(object): |
| 65 | |
| 66 | def __init__(self,testcase): |
| 67 | self.testcase = testcase |
| 68 | |
| 69 | def __call__(self,f): |
| 70 | def wrapped_f(*args): |
| 71 | res = getResults() |
| 72 | if self.testcase in res.getSkipList(): |
| 73 | raise unittest.SkipTest("Testcase dependency not met: %s" % self.testcase) |
| 74 | return f(*args) |
| 75 | wrapped_f.__name__ = f.__name__ |
| 76 | return wrapped_f |
| 77 | |
| 78 | class skipUnlessPassed(object): |
| 79 | |
| 80 | def __init__(self,testcase): |
| 81 | self.testcase = testcase |
| 82 | |
| 83 | def __call__(self,f): |
| 84 | def wrapped_f(*args): |
| 85 | res = getResults() |
| 86 | if self.testcase in res.getSkipList() or \ |
| 87 | self.testcase in res.getFailList() or \ |
| 88 | self.testcase in res.getErrorList(): |
| 89 | raise unittest.SkipTest("Testcase dependency not met: %s" % self.testcase) |
| 90 | return f(*args) |
| 91 | wrapped_f.__name__ = f.__name__ |
| 92 | wrapped_f._depends_on = self.testcase |
| 93 | return wrapped_f |
| 94 | |
| 95 | class testcase(object): |
| 96 | |
| 97 | def __init__(self, test_case): |
| 98 | self.test_case = test_case |
| 99 | |
| 100 | def __call__(self, func): |
| 101 | def wrapped_f(*args): |
| 102 | return func(*args) |
| 103 | wrapped_f.test_case = self.test_case |
| 104 | wrapped_f.__name__ = func.__name__ |
| 105 | return wrapped_f |
| 106 | |
| 107 | class NoParsingFilter(logging.Filter): |
| 108 | def filter(self, record): |
| 109 | return record.levelno == 100 |
| 110 | |
| 111 | def LogResults(original_class): |
| 112 | orig_method = original_class.run |
| 113 | |
| 114 | #rewrite the run method of unittest.TestCase to add testcase logging |
| 115 | def run(self, result, *args, **kws): |
| 116 | orig_method(self, result, *args, **kws) |
| 117 | passed = True |
| 118 | testMethod = getattr(self, self._testMethodName) |
| 119 | #if test case is decorated then use it's number, else use it's name |
| 120 | try: |
| 121 | test_case = testMethod.test_case |
| 122 | except AttributeError: |
| 123 | test_case = self._testMethodName |
| 124 | |
| 125 | class_name = str(testMethod.im_class).split("'")[1] |
| 126 | |
| 127 | #create custom logging level for filtering. |
| 128 | custom_log_level = 100 |
| 129 | logging.addLevelName(custom_log_level, 'RESULTS') |
| 130 | caller = os.path.basename(sys.argv[0]) |
| 131 | |
| 132 | def results(self, message, *args, **kws): |
| 133 | if self.isEnabledFor(custom_log_level): |
| 134 | self.log(custom_log_level, message, *args, **kws) |
| 135 | logging.Logger.results = results |
| 136 | |
| 137 | logging.basicConfig(filename=os.path.join(os.getcwd(),'results-'+caller+'.log'), |
| 138 | filemode='w', |
| 139 | format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', |
| 140 | datefmt='%H:%M:%S', |
| 141 | level=custom_log_level) |
| 142 | for handler in logging.root.handlers: |
| 143 | handler.addFilter(NoParsingFilter()) |
| 144 | local_log = logging.getLogger(caller) |
| 145 | |
| 146 | #check status of tests and record it |
| 147 | |
| 148 | for (name, msg) in result.errors: |
| 149 | if (self._testMethodName == str(name).split(' ')[0]) and (class_name in str(name).split(' ')[1]): |
| 150 | local_log.results("Testcase "+str(test_case)+": ERROR") |
| 151 | local_log.results("Testcase "+str(test_case)+":\n"+msg) |
| 152 | passed = False |
| 153 | for (name, msg) in result.failures: |
| 154 | if (self._testMethodName == str(name).split(' ')[0]) and (class_name in str(name).split(' ')[1]): |
| 155 | local_log.results("Testcase "+str(test_case)+": FAILED") |
| 156 | local_log.results("Testcase "+str(test_case)+":\n"+msg) |
| 157 | passed = False |
| 158 | for (name, msg) in result.skipped: |
| 159 | if (self._testMethodName == str(name).split(' ')[0]) and (class_name in str(name).split(' ')[1]): |
| 160 | local_log.results("Testcase "+str(test_case)+": SKIPPED") |
| 161 | passed = False |
| 162 | if passed: |
| 163 | local_log.results("Testcase "+str(test_case)+": PASSED") |
| 164 | |
| 165 | original_class.run = run |
| 166 | return original_class |
| 167 | |
| 168 | class TimeOut(BaseException): |
| 169 | pass |
| 170 | |
| 171 | def timeout(seconds): |
| 172 | def decorator(fn): |
| 173 | if hasattr(signal, 'alarm'): |
| 174 | @wraps(fn) |
| 175 | def wrapped_f(*args, **kw): |
| 176 | current_frame = sys._getframe() |
| 177 | def raiseTimeOut(signal, frame): |
| 178 | if frame is not current_frame: |
| 179 | raise TimeOut('%s seconds' % seconds) |
| 180 | prev_handler = signal.signal(signal.SIGALRM, raiseTimeOut) |
| 181 | try: |
| 182 | signal.alarm(seconds) |
| 183 | return fn(*args, **kw) |
| 184 | finally: |
| 185 | signal.alarm(0) |
| 186 | signal.signal(signal.SIGALRM, prev_handler) |
| 187 | return wrapped_f |
| 188 | else: |
| 189 | return fn |
| 190 | return decorator |
| 191 | |
| 192 | __tag_prefix = "tag__" |
| 193 | def tag(*args, **kwargs): |
| 194 | """Decorator that adds attributes to classes or functions |
| 195 | for use with the Attribute (-a) plugin. |
| 196 | """ |
| 197 | def wrap_ob(ob): |
| 198 | for name in args: |
| 199 | setattr(ob, __tag_prefix + name, True) |
| 200 | for name, value in kwargs.iteritems(): |
| 201 | setattr(ob, __tag_prefix + name, value) |
| 202 | return ob |
| 203 | return wrap_ob |
| 204 | |
| 205 | def gettag(obj, key, default=None): |
| 206 | key = __tag_prefix + key |
| 207 | if not isinstance(obj, unittest.TestCase): |
| 208 | return getattr(obj, key, default) |
| 209 | tc_method = getattr(obj, obj._testMethodName) |
| 210 | ret = getattr(tc_method, key, getattr(obj, key, default)) |
| 211 | return ret |
| 212 | |
| 213 | def getAllTags(obj): |
| 214 | def __gettags(o): |
| 215 | r = {k[len(__tag_prefix):]:getattr(o,k) for k in dir(o) if k.startswith(__tag_prefix)} |
| 216 | return r |
| 217 | if not isinstance(obj, unittest.TestCase): |
| 218 | return __gettags(obj) |
| 219 | tc_method = getattr(obj, obj._testMethodName) |
| 220 | ret = __gettags(obj) |
| 221 | ret.update(__gettags(tc_method)) |
| 222 | return ret |
Patrick Williams | d7e9631 | 2015-09-22 08:09:05 -0500 | [diff] [blame] | 223 | |
| 224 | def timeout_handler(seconds): |
| 225 | def decorator(fn): |
| 226 | if hasattr(signal, 'alarm'): |
| 227 | @wraps(fn) |
| 228 | def wrapped_f(self, *args, **kw): |
| 229 | current_frame = sys._getframe() |
| 230 | def raiseTimeOut(signal, frame): |
| 231 | if frame is not current_frame: |
| 232 | try: |
| 233 | self.target.restart() |
| 234 | raise TimeOut('%s seconds' % seconds) |
| 235 | except: |
| 236 | raise TimeOut('%s seconds' % seconds) |
| 237 | prev_handler = signal.signal(signal.SIGALRM, raiseTimeOut) |
| 238 | try: |
| 239 | signal.alarm(seconds) |
| 240 | return fn(self, *args, **kw) |
| 241 | finally: |
| 242 | signal.alarm(0) |
| 243 | signal.signal(signal.SIGALRM, prev_handler) |
| 244 | return wrapped_f |
| 245 | else: |
| 246 | return fn |
| 247 | return decorator |