def test_raises_non_placement_keyed_dict(self):
with self.assertRaises(TypeError):
cardinalities_utils.merge_cardinalities({'a': 1},
{placements.CLIENTS: 10})
with self.assertRaises(TypeError):
cardinalities_utils.merge_cardinalities({placements.CLIENTS: 10},
{'a': 1})
def test_merges_different_placements(self):
clients_placed_cardinality = {placements.CLIENTS: 10}
server_placed_cardinality = {placements.SERVER: 1}
merged = cardinalities_utils.merge_cardinalities(
clients_placed_cardinality, server_placed_cardinality)
self.assertEqual(merged, {
placements.CLIENTS: 10,
placements.SERVER: 1
})
def test_noops_no_conflict(self):
clients_placed_cardinality = {placements.CLIENTS: 10}
noop = cardinalities_utils.merge_cardinalities(
clients_placed_cardinality, clients_placed_cardinality)
self.assertEqual(noop, clients_placed_cardinality)
def test_raises_merge_conflicting_cardinalities(self):
with self.assertRaisesRegex(ValueError, 'Conflicting cardinalities'):
cardinalities_utils.merge_cardinalities({placements.CLIENTS: 10},
{placements.CLIENTS: 11})
def test_raises_non_dict_arg(self):
with self.assertRaises(TypeError):
cardinalities_utils.merge_cardinalities({}, 1)
