def test_cyclic(self):
d = {}
root = self._build_root(d)
g2 = Group('g2', d)
g3 = Group('g3', d)
g2.add_groups('g3')
self.assertRaises(ValueError, g2.add_groups, 'root')
self.assertRaises(ValueError, g3.add_groups, 'g2')
self.assertRaises(ValueError, g3.add_groups, 'root')
def test_cyclic(self):
d = {}
root = self._build_root(d)
g2 = Group('g2', d)
g3 = Group('g3', d)
g2.add_groups('g3')
self.assertRaises(ValueError, g2.add_groups, 'root')
self.assertRaises(ValueError, g3.add_groups, 'g2')
self.assertRaises(ValueError, g3.add_groups, 'root')
def test_members_including(self):
d = {}
root = self._build_root(d)
g1 = Group('group1', d)
g1.add_units('second', 'inch')
g2 = Group('group2', d)
g2.add_units('second', 'newton')
g3 = Group('group3', d)
g3.add_units('meter', 'second')
g3.add_groups('group1', 'group2')
self.assertEqual(root.members, frozenset(['meter', 'second', 'newton', 'inch']))
self.assertEqual(g1.members, frozenset(['second', 'inch']))
self.assertEqual(g2.members, frozenset(['second', 'newton']))
self.assertEqual(g3.members, frozenset(['meter', 'second', 'newton', 'inch']))
def test_members_including(self):
d = {}
root = self._build_root(d)
g1 = Group('group1', d)
g1.add_units('second', 'inch')
g2 = Group('group2', d)
g2.add_units('second', 'newton')
g3 = Group('group3', d)
g3.add_units('meter', 'second')
g3.add_groups('group1', 'group2')
self.assertEqual(root.members,
frozenset(['meter', 'second', 'newton', 'inch']))
self.assertEqual(g1.members, frozenset(['second', 'inch']))
self.assertEqual(g2.members, frozenset(['second', 'newton']))
self.assertEqual(g3.members,
frozenset(['meter', 'second', 'newton', 'inch']))
