def test_expose_sources_for_manipulation():
source1 = DictSource({'a': 1, 'b': {'c': 2}})
source2 = DictSource({'a': 10, 'b': {'c': 20}})
source3 = DictSource({'x': 6, 'b': {'y': 7}})
config = StackedConfig()
assert config.dump() == {}
config.source_list.append(source1)
assert config == source1
config.source_list.append(source2)
assert config == source2
config.source_list.insert(0, source3)
assert config.dump() == {'a': 10, 'b': {'c': 20, 'y': 7}, 'x': 6}
def test_set_keychain():
config = StackedConfig(DictSource({'a': {
'b': {
'c': 2
}
}}),
keychain=('a', 'b'))
assert config.dump() == {'c': 2}
def test_stacked_dump():
config = StackedConfig(DictSource({
'a': 1,
'b': {
'c': 2
}
}), DictSource({'a': '10'}), DictSource({
'x': 6,
'b': {
'y': 7
}
}))
assert config.dump() == {'a': '10', 'b': {'c': 2, 'y': 7}, 'x': 6}
def test_use_dictsource_on_empty_stacked_config():
config = StackedConfig()
assert config.dump() == {}