def test_spawned_context_returns_value_from_parent(self):
key = object()
parent_value = 46
parent = DependencyContext()
parent.inject(key, parent_value)
child = parent.spawn()
expect(child.get(key)).to(be(parent_value))
def test_spawned_context_does_not_replace_parent_value(self):
key = object()
parent_value = 37
child_value = 2
parent = DependencyContext()
parent.inject(key, parent_value)
child = parent.spawn()
child.inject(key, child_value)
expect(parent.get(key)).to(be(parent_value))
def test_spawned_context_can_override_parent_value(self):
key = object()
parent_value = 37
child_value = 2
parent = DependencyContext()
parent.inject(key, parent_value)
child = parent.spawn()
child.inject(key, child_value)
expect(child.get(key)).to(be(child_value))