test_abc.py 文件源码

def make_return_value_tests(base_class, test_class):
    frozen_class, source_class = make_abc_subclasses(base_class)
    tests = []
    for prefix, class_in_test in [('Frozen', frozen_class), ('Source', source_class)]:
        def set_ns(ns):
            ns['ins'] = class_in_test()
        tests.append(types.new_class('_'.join([prefix, test_class.__name__]),
                                     (test_class, unittest.TestCase),
                                     exec_body=set_ns))
    return tests