def test_multiple_flows_in_storage():
s = Memory()
f = Flow("test")
g = Flow("other")
z = Flow("not")
s.add_flow(f)
s.add_flow(g)
assert "test" in s
assert "other" in s
assert "not" not in s
assert s.get_flow("test") is f
assert s.get_flow("other") is g
assert s.flows["test"] is f
assert s.flows["other"] is g
def test_get_flow_returns_flow():
s = Memory()
f = Flow("test")
s.add_flow(f)
runner = s.get_flow("test")
assert runner is f
def test_get_flow_raises_if_flow_not_present():
s = Memory()
with pytest.raises(ValueError):
s.get_flow("test")
