def test_mergedicts_nested():
assert (dict(config.mergedicts(
{"a": {'x': 1, 'y': 2, 'z': 3}},
{'a': {'y': 10}, "b": 2}
)) == {"a": {'x': 1, 'y': 10, 'z': 3}, "b": 2})
def test_mergedicts_lists():
assert (dict(config.mergedicts(
{"env": [{'key': 'FOO'}]},
{"env": [{'key': 'BAR'}]}
)) == {"env": [{'key': 'FOO'}, {'key': 'BAR'}]})
def test_mergedicts():
assert dict(config.mergedicts({"a": 1}, {"b": 2})) == {"a": 1, "b": 2}
def test_mergedicts_right_none():
assert (dict(config.mergedicts(
{"a": {'x': 1}},
{"a": None, "b": 2}
)) == {"a": {'x': 1}, "b": 2})