def test_equality(self):
"""
A L{NamedConstant} instance compares equal to itself.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertTrue(name == name)
self.assertFalse(name != name)
def test_name(self):
"""
The C{name} attribute of a L{NamedConstant} refers to the value passed
for the C{name} parameter to C{_realize}.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertEqual("bar", name.name)
def test_representation(self):
"""
The string representation of an instance of L{NamedConstant} includes
the container the instances belongs to as well as the instance's name.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertEqual("<foo=bar>", repr(name))
def test_equality(self):
"""
A L{NamedConstant} instance compares equal to itself.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertTrue(name == name)
self.assertFalse(name != name)
def test_representation(self):
"""
The string representation of an instance of L{NamedConstant} includes
the container the instances belongs to as well as the instance's name.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertEqual("<foo=bar>", repr(name))
def test_name(self):
"""
The C{name} attribute of a L{NamedConstant} refers to the value passed
for the C{name} parameter to C{_realize}.
"""
name = NamedConstant()
name._realize(self.container, "bar", None)
self.assertEqual("bar", name.name)
def test_hash(self):
"""
Because two different L{NamedConstant} instances do not compare as equal
to each other, they also have different hashes to avoid collisions when
added to a C{dict} or C{set}.
"""
first = NamedConstant()
first._realize(self.container, "bar", None)
second = NamedConstant()
second._realize(self.container, "bar", None)
self.assertNotEqual(hash(first), hash(second))
def test_nonequality(self):
"""
Two different L{NamedConstant} instances do not compare equal to each
other.
"""
first = NamedConstant()
first._realize(self.container, "bar", None)
second = NamedConstant()
second._realize(self.container, "bar", None)
self.assertFalse(first == second)
self.assertTrue(first != second)
def test_hash(self):
"""
Because two different L{NamedConstant} instances do not compare as equal
to each other, they also have different hashes to avoid collisions when
added to a C{dict} or C{set}.
"""
first = NamedConstant()
first._realize(self.container, "bar", None)
second = NamedConstant()
second._realize(self.container, "bar", None)
self.assertNotEqual(hash(first), hash(second))
def test_nonequality(self):
"""
Two different L{NamedConstant} instances do not compare equal to each
other.
"""
first = NamedConstant()
first._realize(self.container, "bar", None)
second = NamedConstant()
second._realize(self.container, "bar", None)
self.assertFalse(first == second)
self.assertTrue(first != second)
