118 lines
4.0 KiB
Python
118 lines
4.0 KiB
Python
from unittest import TestCase
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from abc import ABCMeta, ABC
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from tests.utils.dummy import dummy_class_factory
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class DummyClassTestCase(TestCase):
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"""
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Unit testing class for the DummyClass class.
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"""
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def setUp(self):
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"""
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Initialize testing data.
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"""
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self.a = 10
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self.b = 5
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self.add_function = lambda instance: instance.a + instance.b
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self.subtract_function = lambda instance: instance.a - instance.b
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def test_init(self):
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"""
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Test the __init__ method.
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@raise AssertionError: If the test fails.
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"""
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dummy_class = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function, 'subtract': self.subtract_function})
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dummy = dummy_class()
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self.assertEquals(self.a, dummy.a)
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self.assertEquals(self.b, dummy.b)
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def test_add(self):
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"""
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Test a dummy class initialized with an add function.
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@raise AssertionError: If the test fails.
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"""
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dummy_class = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function})
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dummy = dummy_class()
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self.assertEquals(15, dummy.add())
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def test_subtract(self):
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"""
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Test a dummy class initialized with a subtract function.
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@raise AssertionError: If the test fails.
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"""
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dummy_class = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'subtract': self.subtract_function})
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dummy = dummy_class()
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self.assertEquals(5, dummy.subtract())
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def test_instances(self):
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"""
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Test multiple instances.
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@raise AssertionError: If the test fails.
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"""
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dummy_class_one = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function})
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dummy_class_one_instance_one = dummy_class_one()
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dummy_class_one_instance_two = dummy_class_one()
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self.assertEquals(dummy_class_one_instance_one.a, dummy_class_one_instance_two.a)
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self.assertEquals(dummy_class_one_instance_one.b, dummy_class_one_instance_two.b)
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self.assertEquals(dummy_class_one_instance_one.add(), dummy_class_one_instance_two.add())
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def test_classes(self):
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"""
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Test multiple classes.
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@raise AssertionError: If the test fails.
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"""
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dummy_class_one = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function})
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dummy_class_two = dummy_class_factory(attributes={'a': 30, 'b': 10},
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functions={'subtract': self.subtract_function})
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self.assertNotEquals(dummy_class_one.a, dummy_class_two.a)
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self.assertNotEquals(dummy_class_one.b, dummy_class_two.b)
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assert (hasattr(dummy_class_one, 'add'))
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assert (not hasattr(dummy_class_one, 'subtract'))
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assert (hasattr(dummy_class_two, 'subtract'))
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assert (not hasattr(dummy_class_two, 'add'))
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def test_meta_class(self):
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"""
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Test assigning a metaclass.
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@raise AssertionError: If the test fails.
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"""
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dummy_class = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function},
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meta_class=ABCMeta)
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self.assertEquals(ABCMeta, dummy_class.__class__)
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def test_base_class(self):
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"""
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Test assigning a base class.
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@raise AssertionError: If the test fails
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"""
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dummy_class = dummy_class_factory(attributes={'a': self.a, 'b': self.b},
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functions={'add': self.add_function},
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base_class=ABC)
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self.assertEquals(ABC, dummy_class.__base__)
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