def test_select_fallback(self): """If a named alternative is selected, but not set, the manager falls back to the last alternative set.""" injection.select("dependency", "named-alternative") injection.set("dependency", object()) injection.set("dependency", object()) self.assertIsNotNone(injection.get("dependency"))
def test_select_unset(self): """Selecting unset dependencies by name.""" injection.select("unset-dependency", "named-alternative") value = object() injection.set("unset-dependency", value, name = "named-alternative") injection.set("unset-dependency", object()) self.assertIs(injection.get("unset-dependency"), value)