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import pytest |
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@pytest.fixture |
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def command_registrator(): |
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from so_magic.data.backend.backend import CommandRegistrator |
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return CommandRegistrator |
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@pytest.fixture |
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def classes(command_registrator): |
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class A(metaclass=command_registrator): pass |
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class B(metaclass=command_registrator): pass |
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class C(B): pass |
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class D(B): pass |
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classes = type('Classes', (object,), {'A': A, 'B': B, 'C': C, 'D': D, |
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'__iter__': lambda self: iter([getattr(self, x) for x in 'ABCD'])})() |
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assert all([type(x) == command_registrator for x in classes]) # sanity check |
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assert all([isinstance(x, command_registrator) for x in classes]) # sanity check |
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return classes |
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def test_command_registrator(assert_different_objects, classes): |
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assert all([hasattr(x, 'registry') for x in classes]) |
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assert all([hasattr(x, 'state') for x in classes]) |
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assert_different_objects([c.registry for c in classes]) |
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classes.A.state = 1 |
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classes.B.state = 2 |
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classes.C.state = 3 |
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classes.D.state = 4 |
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assert_different_objects([c.state for c in classes]) |
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classes.A.registry['a'] = 1 |
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classes.B.registry['b'] = 2 |
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classes.C.registry['c'] = 3 |
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classes.D.registry['d'] = 4 |
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assert classes.B.registry != classes.A.registry != classes.C.registry != classes.D.registry |
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assert classes.A.__getitem__('a') == 1 |
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assert classes.B.__getitem__('b') == 2 |
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assert classes.C.__getitem__('c') == 3 |
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assert classes.D.__getitem__('d') == 4 |
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assert 'b' not in classes.C.registry |
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assert 'c' not in classes.B.registry |
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assert 'c' not in classes.D.registry |
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assert 'd' not in classes.C.registry |
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assert classes.A['a'] == 1 |
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assert classes.B['b'] == 2 |
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assert classes.C['c'] == 3 |
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assert classes.D['d'] == 4 |
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54
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def test_wrong_command_registrator_usage(command_registrator): |
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class P1(command_registrator): pass |
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assert type(P1) == type |
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assert not hasattr(P1, 'state') |
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assert not hasattr(P1, 'state') |
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