test_trace.py 文件源码

def test_issue9936(self):
        tracer = trace.Trace(trace=0, count=1)
        modname = 'test.tracedmodules.testmod'
        # Ensure that the module is executed in import
        if modname in sys.modules:
            del sys.modules[modname]
        cmd = ("import test.tracedmodules.testmod as t;"
               "t.func(0); t.func2();")
        with captured_stdout() as stdout:
            self._coverage(tracer, cmd)
        stdout.seek(0)
        stdout.readline()
        coverage = {}
        for line in stdout:
            lines, cov, module = line.split()[:3]
            coverage[module] = (int(lines), int(cov[:-1]))
        # XXX This is needed to run regrtest.py as a script
        modname = trace._fullmodname(sys.modules[modname].__file__)
        self.assertIn(modname, coverage)
        self.assertEqual(coverage[modname], (5, 100))

### Tests that don't mess with sys.settrace and can be traced
### themselves TODO: Skip tests that do mess with sys.settrace when
### regrtest is invoked with -T option.