class TestRedeclarable(unittest.TestCase):
"""Test class for the Redeclarable class."""
def setUp(self):
"""All tests get a single and a list of redeclarables."""
self.decl = Redeclarable()
self.decls = [Redeclarable() for i in range(5)]
def test_should_have_no_next_when_alone(self):
self.assertEqual(None, self.decl.next)
def test_should_have_no_previous_when_alone(self):
self.assertEqual(None, self.decl.previous)
def test_should_be_equal_to_last_when_alone(self):
self.assertEqual(self.decl, self.decl.last)
def test_should_be_equal_to_first_when_alone(self):
self.assertEqual(self.decl, self.decl.first)
def test_should_be_last_when_alone(self):
self.assertTrue(self.decl.is_last())
def test_should_be_first_when_alone(self):
self.assertTrue(self.decl.is_first())
def test_should_be_previous_of_next(self):
self.decls[0].redeclare_with(self.decls[1])
self.assertEqual(self.decls[0], self.decls[1].previous)
def test_should_be_next_of_previous(self):
self.decls[0].redeclare_with(self.decls[1])
self.assertEqual(self.decls[0].next, self.decls[1])
def test_should_be_last_when_declared_last(self):
for i, decl in enumerate(self.decls[:-1]):
decl.redeclare_with(self.decls[i+1])
self.assertTrue(self.decls[-1].is_last())
def test_should_be_first_when_declared_first(self):
for i, decl in enumerate(self.decls[:-1]):
decl.redeclare_with(self.decls[i+1])
self.assertTrue(self.decls[0].is_first())
def setUp(self):
"""All tests get a single and a list of redeclarables."""
self.decl = Redeclarable()
self.decls = [Redeclarable() for i in range(5)]