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How to use test_trace_with_failures method in stestr

Best Python code snippet using stestr_python

test_subunit_trace.py

Source:test_subunit_trace.py

...86        bytes_.seek(0)87        stdin = io.TextIOWrapper(io.BufferedReader(bytes_))88        returncode = subunit_trace.trace(stdin, sys.stdout)89        self.assertEqual(1, returncode)90    def test_trace_with_failures(self):91        regular_stream = os.path.join(92            os.path.dirname(os.path.abspath(__file__)),93            'sample_streams/failure.subunit')94        bytes_ = io.BytesIO()95        with open(regular_stream, 'rb') as stream:96            bytes_.write(bytes(stream.read()))97        bytes_.seek(0)98        stdin = io.TextIOWrapper(io.BufferedReader(bytes_))99        returncode = subunit_trace.trace(stdin, sys.stdout)100        self.assertEqual(1, returncode)101    def test_trace_with_stuck_inprogress(self):102        output = io.BytesIO()103        stream = StreamResultToBytes(output)104        stream.startTestRun()...

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