def test_get_returns_original_if_unrelated_injected(self):
expected = object()
unrelated = object()
injected = object()
sut = DependencyContext()
sut.inject(unrelated, injected)
expect(sut.get(expected)).to(be(expected))
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_get_returns_original_if_nothing_injected(self):
sut = DependencyContext()
expected = object()
expect(sut.get(expected)).to(be(expected))
def test_get_returns_injected(self):
dependency = object()
injected = object()
sut = DependencyContext()
sut.inject(dependency, injected)
expect(sut.get(dependency)).to(be(injected))