def test_children_attribute_will_not_allow_deeper_circular_dependencies(self):
"""testing if a CircularDependency error will be raised when the a
parent Version of a parent Version is set as a children to its grand
child
"""
self.kwargs["parent"] = None
new_version1 = Version(**self.kwargs)
new_version2 = Version(**self.kwargs)
new_version3 = Version(**self.kwargs)
new_version1.parent = new_version2
new_version2.parent = new_version3
self.assertRaises(CircularDependencyError, new_version1.children.append, new_version3)
def test_parent_attribute_is_working_properly(self):
"""testing if the parent attribute is working properly
"""
self.kwargs["parent"] = None
new_version = Version(**self.kwargs)
self.assertNotEqual(new_version.parent, self.test_version)
new_version.parent = self.test_version
self.assertEqual(new_version.parent, self.test_version)
def test_parent_attribute_updates_the_children_attribute(self):
"""testing if the parent attribute updates the children attribute of
the parent Version properly
"""
self.kwargs["parent"] = None
new_version = Version(**self.kwargs)
self.assertNotEqual(new_version.parent, self.test_version)
new_version.parent = self.test_version
self.assertTrue(new_version in self.test_version.children)
