JezK
Edit File: testresult.py
'''Test runner and result class for the regression test suite. ''' import functools import io import sys import time import traceback import unittest class RegressionTestResult(unittest.TextTestResult): USE_XML = False def __init__(self, stream, descriptions, verbosity): super().__init__(stream=stream, descriptions=descriptions, verbosity=2 if verbosity else 0) self.buffer = True if self.USE_XML: from xml.etree import ElementTree as ET from datetime import datetime self.__ET = ET self.__suite = ET.Element('testsuite') self.__suite.set('start', datetime.utcnow().isoformat(' ')) self.__e = None self.__start_time = None @classmethod def __getId(cls, test): try: test_id = test.id except AttributeError: return str(test) try: return test_id() except TypeError: return str(test_id) return repr(test) def startTest(self, test): super().startTest(test) if self.USE_XML: self.__e = e = self.__ET.SubElement(self.__suite, 'testcase') self.__start_time = time.perf_counter() def _add_result(self, test, capture=False, **args): if not self.USE_XML: return e = self.__e self.__e = None if e is None: return ET = self.__ET e.set('name', args.pop('name', self.__getId(test))) e.set('status', args.pop('status', 'run')) e.set('result', args.pop('result', 'completed')) if self.__start_time: e.set('time', f'{time.perf_counter() - self.__start_time:0.6f}') if capture: if self._stdout_buffer is not None: stdout = self._stdout_buffer.getvalue().rstrip() ET.SubElement(e, 'system-out').text = stdout if self._stderr_buffer is not None: stderr = self._stderr_buffer.getvalue().rstrip() ET.SubElement(e, 'system-err').text = stderr for k, v in args.items(): if not k or not v: continue e2 = ET.SubElement(e, k) if hasattr(v, 'items'): for k2, v2 in v.items(): if k2: e2.set(k2, str(v2)) else: e2.text = str(v2) else: e2.text = str(v) @classmethod def __makeErrorDict(cls, err_type, err_value, err_tb): if isinstance(err_type, type): if err_type.__module__ == 'builtins': typename = err_type.__name__ else: typename = f'{err_type.__module__}.{err_type.__name__}' else: typename = repr(err_type) msg = traceback.format_exception(err_type, err_value, None) tb = traceback.format_exception(err_type, err_value, err_tb) return { 'type': typename, 'message': ''.join(msg), '': ''.join(tb), } def addError(self, test, err): self._add_result(test, True, error=self.__makeErrorDict(*err)) super().addError(test, err) def addExpectedFailure(self, test, err): self._add_result(test, True, output=self.__makeErrorDict(*err)) super().addExpectedFailure(test, err) def addFailure(self, test, err): self._add_result(test, True, failure=self.__makeErrorDict(*err)) super().addFailure(test, err) def addSkip(self, test, reason): self._add_result(test, skipped=reason) super().addSkip(test, reason) def addSuccess(self, test): self._add_result(test) super().addSuccess(test) def addUnexpectedSuccess(self, test): self._add_result(test, outcome='UNEXPECTED_SUCCESS') super().addUnexpectedSuccess(test) def get_xml_element(self): if not self.USE_XML: raise ValueError("USE_XML is false") e = self.__suite e.set('tests', str(self.testsRun)) e.set('errors', str(len(self.errors))) e.set('failures', str(len(self.failures))) return e class QuietRegressionTestRunner: def __init__(self, stream, buffer=False): self.result = RegressionTestResult(stream, None, 0) self.result.buffer = buffer def run(self, test): test(self.result) return self.result def get_test_runner_class(verbosity, buffer=False): if verbosity: return functools.partial(unittest.TextTestRunner, resultclass=RegressionTestResult, buffer=buffer, verbosity=verbosity) return functools.partial(QuietRegressionTestRunner, buffer=buffer) def get_test_runner(stream, verbosity, capture_output=False): return get_test_runner_class(verbosity, capture_output)(stream) if __name__ == '__main__': import xml.etree.ElementTree as ET RegressionTestResult.USE_XML = True class TestTests(unittest.TestCase): def test_pass(self): pass def test_pass_slow(self): time.sleep(1.0) def test_fail(self): print('stdout', file=sys.stdout) print('stderr', file=sys.stderr) self.fail('failure message') def test_error(self): print('stdout', file=sys.stdout) print('stderr', file=sys.stderr) raise RuntimeError('error message') suite = unittest.TestSuite() suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestTests)) stream = io.StringIO() runner_cls = get_test_runner_class(sum(a == '-v' for a in sys.argv)) runner = runner_cls(sys.stdout) result = runner.run(suite) print('Output:', stream.getvalue()) print('XML: ', end='') for s in ET.tostringlist(result.get_xml_element()): print(s.decode(), end='') print()