suite.py 文件源码

def findContext(self, tests):
        if callable(tests) or isinstance(tests, unittest.TestSuite):
            return None
        context = None
        for test in tests:
            # Don't look at suites for contexts, only tests
            ctx = getattr(test, 'context', None)
            if ctx is None:
                continue
            if context is None:
                context = ctx
            elif context != ctx:
                raise MixedContextError(
                    "Tests with different contexts in same suite! %s != %s"
                    % (context, ctx))
        return context