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import unittest |
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from msquaredc.utils import Decorator |
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from msquaredc.utils import lcs |
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class TestDecorator(unittest.TestCase): |
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def test_init(self): |
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self.assertIsNotNone(Decorator()) |
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def test_class_without_args(self): |
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@Decorator |
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class A: |
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def a(self): |
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return 2 |
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a_inst = A() |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_method_without_args(self): |
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@Decorator |
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def A(): |
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return 3 |
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self.assertEqual(A(), 3) |
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def test_arg_class_without_args(self): |
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@Decorator |
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class A: |
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def __init__(self, b): |
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self.b = b |
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def a(self): |
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return self.b |
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a_inst = A(2) |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_arg_method_without_args(self): |
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@Decorator |
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def A(a): |
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return a |
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self.assertEqual(A(3), 3) |
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def test_class_with_args(self): |
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@Decorator(1, k=2) |
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class A: |
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def a(self): |
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return 2 |
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a_inst = A() |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_method_with_args(self): |
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@Decorator(1, k=2) |
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def A(): |
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return 3 |
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self.assertEqual(A(), 3) |
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def test_arg_class_with_args(self): |
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@Decorator(1, k=2) |
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class A: |
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def __init__(self, b): |
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self.b = b |
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def a(self): |
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return self.b |
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a_inst = A(2) |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_arg_method_without_args(self): |
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@Decorator(1, k=2) |
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def A(a): |
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return a |
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self.assertEqual(A(3), 3) |
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def test_callable_as_decorator_arg_in_function(self): |
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def f(a): |
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return a * 2 |
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@Decorator(f, k=2) |
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def A(a): |
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return a |
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self.assertEqual(A(3), 3) |
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def test_callable_as_decorator_arg_in_class(self): |
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def f(a): |
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return a * 2 |
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@Decorator(f, k=2) |
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class A: |
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def __init__(self, b): |
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self.b = b |
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def a(self): |
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return self.b |
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a_inst = A(2) |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_callable_everywhere_in_function(self): |
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def f(a): |
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return a * 2 |
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def ident(a): |
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return a |
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@Decorator(f, k=2) |
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def A(a): |
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return a |
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self.assertEqual(A(ident(3)), 3) |
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def test_callable_everywhere_in_class(self): |
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def f(a): |
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return a * 2 |
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def g(a): |
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return a |
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@Decorator(f, k=2) |
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class A: |
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def __init__(self, b): |
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self.b = b |
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def a(self): |
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return self.b(2) |
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a_inst = A(g) |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_class_as_only_argument(self): |
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class B: |
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def __init__(self, *args, **kwargs): |
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self.args = args |
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self.kwargs = kwargs |
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@Decorator(B, 4) |
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class A: |
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def a(self): |
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return 2 |
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a_inst = A() |
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self.assertIsNotNone(a_inst) |
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self.assertEqual(a_inst.__class__.__name__, "A") |
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self.assertEqual(a_inst.a(), 2) |
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def test_class_decorator(self): |
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class A(object): |
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def __str__(self): |
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return "Bla" |
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a = Decorator.create_wrapping_class(A, {}) |
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self.assertEqual(str(a()), "Bla") |
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self.assertEqual(a().__class__.__name__, "A") |
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self.assertEqual(repr(a()).split("at 0x")[0], repr(A()).split("at 0x")[0]) |
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self.assertIsInstance(a(), A) |
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self.assertEqual(repr(a), repr(A)) |
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def test_inheritance_in_class_decorator(self): |
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class A(object): |
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def a(self): |
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return 2 |
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class B(A): |
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def b(self): |
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return 3 |
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b = Decorator.create_wrapping_class(B, {}) |
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class C(b): |
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def c(self): |
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return 4 |
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self.assertEqual(b().b(), 3) |
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self.assertEqual(b().a(), 2) |
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self.assertEqual(C().b(), 3) |
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self.assertTrue(issubclass(C, B)) |
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self.assertTrue(issubclass(C, A)) |
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class TestLCS(unittest.TestCase): |
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def test_string(self): |
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self.assertEqual(lcs("123123123", "352515"), "321") |
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if __name__ == "__main__": |
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unittest.main() |
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