test_odd_declarations.py 文件源码

def test_ObjectSpecification(self):
        c = C()
        directlyProvides(c, I4)
        self.assertEqual([i.getName() for i in providedBy(c)],
                         ['I4', 'I31', 'I1', 'I2']
                         )
        self.assertEqual([i.getName() for i in providedBy(c).flattened()],
                         ['I4', 'I31', 'I3', 'I1', 'I2', 'Interface']
                         )
        self.assertTrue(I1 in providedBy(c))
        self.assertFalse(I3 in providedBy(c))
        self.assertTrue(providedBy(c).extends(I3))
        self.assertTrue(providedBy(c).extends(I31))
        self.assertFalse(providedBy(c).extends(I5))

        class COnly(A, B):
            pass
        classImplementsOnly(COnly, I31)

        class D(COnly):
            pass
        classImplements(D, I5)

        classImplements(D, I5)

        c = D()
        directlyProvides(c, I4)
        self.assertEqual([i.getName() for i in providedBy(c)],
                         ['I4', 'I5', 'I31'])
        self.assertEqual([i.getName() for i in providedBy(c).flattened()],
                         ['I4', 'I5', 'I31', 'I3', 'Interface'])
        self.assertFalse(I1 in providedBy(c))
        self.assertFalse(I3 in providedBy(c))
        self.assertTrue(providedBy(c).extends(I3))
        self.assertFalse(providedBy(c).extends(I1))
        self.assertTrue(providedBy(c).extends(I31))
        self.assertTrue(providedBy(c).extends(I5))

        class COnly(A, B): __implemented__ = I31
        class D(COnly):
            pass
        classImplements(D, I5)

        classImplements(D, I5)
        c = D()
        directlyProvides(c, I4)
        self.assertEqual([i.getName() for i in providedBy(c)],
                         ['I4', 'I5', 'I31'])
        self.assertEqual([i.getName() for i in providedBy(c).flattened()],
                         ['I4', 'I5', 'I31', 'I3', 'Interface'])
        self.assertFalse(I1 in providedBy(c))
        self.assertFalse(I3 in providedBy(c))
        self.assertTrue(providedBy(c).extends(I3))
        self.assertFalse(providedBy(c).extends(I1))
        self.assertTrue(providedBy(c).extends(I31))
        self.assertTrue(providedBy(c).extends(I5))