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import sys |
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import pytest |
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def test_import(namespaces): |
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assert namespaces |
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def test_meta_basic(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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pass |
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assert Test |
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def test_basic_namespace(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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a = 1 |
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assert ns |
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assert Test |
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assert Test().ns |
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def test_delete(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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a = 1 |
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del a |
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b = 2 |
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assert ns |
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assert Test |
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assert Test().ns |
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assert Test.ns.b == 2 |
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assert Test().ns.b == 2 |
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with pytest.raises(AttributeError): |
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del Test().ns.b |
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del Test.ns.b |
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with pytest.raises(AttributeError): |
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Test.ns.b |
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with pytest.raises(AttributeError): |
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Test().ns.b |
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def test_set(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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a = 1 |
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del a |
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assert ns |
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assert Test |
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assert Test().ns |
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Test.ns.b = 2 |
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assert Test.ns.b == 2 |
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assert Test().ns.b == 2 |
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test = Test() |
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test.ns.b = 3 |
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assert Test.ns.b == 2 |
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assert test.ns.b == 3 |
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test2 = Test() |
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test2.ns.c = 3 |
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with pytest.raises(AttributeError): |
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Test.ns.c |
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with pytest.raises(AttributeError): |
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test.ns.c |
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assert test2.ns.c == 3 |
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@pytest.mark.xfail(sys.version_info < (3, 4), |
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reason="python3.4 api changes?", strict=True) |
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def test_dir(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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a = 1 |
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assert ns |
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assert dir(Test.ns) == ['a'] |
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assert dir(Test().ns) == ['a'] |
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def test_shadow(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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foo = 1 |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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assert foo == 2 |
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assert foo == 1 |
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assert Test().foo == 1 |
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assert Test().ns.foo == 2 |
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def test_resume(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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foo = 1 |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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assert foo == 2 |
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foo = 3 |
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with ns: |
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foo = 4 |
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assert foo == 3 |
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assert Test().foo == 3 |
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assert Test().ns.foo == 4 |
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def test_redundant_resume(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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foo = 1 |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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assert foo == 2 |
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foo = 3 |
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ns = ns |
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with ns as ns: |
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foo = 4 |
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assert foo == 3 |
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assert Test().foo == 3 |
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assert Test().ns.foo == 4 |
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def test_basic_inherit(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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foo = 1 |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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class Subclass(Test): |
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pass |
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assert Subclass().foo == 1 |
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assert Subclass().ns.foo == 2 |
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def test_basic_super(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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def hello(self): |
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return 1 |
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class Subclass(Test): |
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with namespaces.Namespace() as ns: |
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def hello(self): |
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return super().ns.hello() |
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assert Test().ns.hello() == 1 |
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assert Subclass().ns.hello() == 1 |
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def test_private(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as __ns: |
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foo = 2 |
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def foo(self): |
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return self.__ns.foo |
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class Subclass(Test): |
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pass |
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assert Test().foo() == 2 |
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assert Subclass().foo() == 2 |
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def test_nested_namespace(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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with namespaces.Namespace() as ns: |
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a = 1 |
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assert Test().ns.ns.a == 1 |
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def test_basic_shadow(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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class Subclass(Test): |
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ns = 1 |
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assert Subclass().ns == 1 |
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def test_double_shadow(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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class Subclass(Test): |
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ns = 1 |
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class DoubleSubclass(Subclass): |
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with namespaces.Namespace() as ns: |
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bar = 1 |
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assert not hasattr(DoubleSubclass().ns, 'foo') |
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def test_overlap(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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class Subclass(Test): |
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with namespaces.Namespace() as ns: |
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bar = 3 |
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assert Subclass().ns.foo == 2 |
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assert Subclass().ns.bar == 3 |
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def test_advanced_overlap(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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foo = 2 |
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with namespaces.Namespace() as ns: |
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qux = 4 |
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class Subclass(Test): |
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with namespaces.Namespace() as ns: |
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bar = 3 |
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assert Subclass().ns.foo == 2 |
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assert Subclass().ns.bar == 3 |
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assert Subclass().ns.ns.qux == 4 |
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def test_empty_nameless(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with pytest.raises(RuntimeError): |
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with namespaces.Namespace(): |
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pass |
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def test_non_empty_nameless(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with pytest.raises(RuntimeError): |
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with namespaces.Namespace(): |
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a = 1 |
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def test_rename(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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pass |
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with pytest.raises(ValueError): |
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with ns as ns2: |
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pass |
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def test_use_namespace(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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foo = 1 |
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assert ns.foo == 1 |
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ns.bar = 2 |
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assert ns.bar == 2 |
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assert Test.ns.foo == 1 |
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assert Test.ns.bar == 2 |
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def test_basic_prop(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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@property |
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def foo(self): |
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return 1 |
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assert Test().ns.foo == 1 |
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263
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264
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def test_override_method(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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def foo(self): |
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return 1 |
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test = Test() |
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assert test.ns.foo() == 1 |
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test.ns.foo = 2 |
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print(vars(test)) |
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assert test.ns.foo == 2 |
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del test.ns.foo |
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assert test.ns.foo() == 1 |
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Test.ns.foo = 3 |
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assert Test.ns.foo == 3 |
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assert test.ns.foo == 3 |
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280
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281
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def test_can_t_preload_with_namespace(namespaces): |
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with pytest.raises(ValueError): |
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namespaces.Namespace(ns=namespaces.Namespace()) |
284
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285
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286
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def test_add_later(namespaces): |
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class Test(metaclass=namespaces.Namespaceable): |
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pass |
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290
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Test.ns = namespaces.Namespace() |
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Test.ns.ns = namespaces.Namespace() |
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Test.ns.value = 1 |
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Test.ns.ns.value = 2 |
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assert Test.ns.value == 1 |
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assert Test.ns.ns.value == 2 |
296
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297
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298
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@pytest.mark.xfail(sys.version_info < (3, 6), |
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reason="python3.6 api changes", strict=True) |
300
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def test_3_6_descriptor(namespaces): |
301
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class Descriptor: |
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def __set_name__(self, owner, name): |
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self.owner = owner |
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self.name = name |
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assert namespaces.namespaces._DescriptorInspector( |
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Descriptor()).is_descriptor |
307
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308
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class Test(metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
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d = Descriptor() |
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312
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assert Test.ns.d.name == 'd' |
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314
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315
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def test_basic_meta(namespaces): |
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class Meta(type, metaclass=namespaces.Namespaceable): |
317
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with namespaces.Namespace() as ns: |
318
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meta_var = 1 |
319
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320
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class Test(metaclass=Meta): |
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pass |
322
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323
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assert Meta.ns.meta_var == 1 |
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assert Test.ns.meta_var == 1 |
325
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326
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327
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def test_somewhat_weird_meta(namespaces): |
328
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class Meta(namespaces.Namespaceable, metaclass=namespaces.Namespaceable): |
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with namespaces.Namespace() as ns: |
330
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meta_var = 1 |
331
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332
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class Test(metaclass=Meta): |
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pass |
334
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335
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assert Meta.ns.meta_var == 1 |
336
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assert Test.ns.meta_var == 1 |
337
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with pytest.raises(AttributeError): |
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Test().ns.meta_var |
339
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340
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341
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def test_somewhat_weirder_meta(namespaces): |
342
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class Meta(namespaces.Namespaceable, metaclass=namespaces.Namespaceable): |
343
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with namespaces.Namespace() as ns: |
344
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meta_var = 1 |
345
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346
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class Test(metaclass=Meta): |
347
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with namespaces.Namespace() as ns: |
348
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cls_var = 2 |
349
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350
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assert Meta.ns.meta_var == 1 |
351
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assert Test.ns.meta_var == 1 |
352
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assert Test.ns.cls_var == 2 |
353
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assert Test().ns.cls_var == 2 |
354
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with pytest.raises(AttributeError): |
355
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Test().ns.meta_var |
356
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