def test_registry_updated_with_new_dict_adds_those_items():
items = {'a': 10}
reg = Registry().add(items)
newitems = {'a': 20, 'b': 100}
reg.add(newitems)
assert reg.resolve()['a'] == newitems['a']
assert reg.resolve()['b'] == newitems['b']
def test_variable_subst_handles_escaped_chars():
items = {'a': '${path}'}
repl = {'path': 'D\\'}
reg = Registry()
config = reg.add(items).add(repl)
assert config.resolve()['a'] == repl['path']
def test_attribute_names_are_resolved_with_variables():
public_args = {'password': '******'}
overrides = {'private_password': '******'}
registry = Registry()
config = registry.add(public_args).add(overrides).resolve()
assert config.password == 'a good strong password'
