def test_can_merge_nested_dicts(self):
d1 = {
"params": {
"car": "4gheap",
"car-params": {
"additional_cluster_settings": {
"indices.queries.cache.size": "5%",
"transport.tcp.compress": True
}
},
"unique-param": "foobar"
}
}
d2 = {"params": {"car-params": {"data_paths": "/mnt/local_ssd"}}}
assert dict(collections.merge_dicts(d1, d2)) == {
"params": {
"car-params": {
"additional_cluster_settings": {
"indices.queries.cache.size": "5%",
"transport.tcp.compress": True
},
"data_paths": "/mnt/local_ssd"
},
"car": "4gheap",
"unique-param": "foobar"
}
}
def test_can_merge_randomized_empty_and_non_empty_dict(self, seed):
random.seed(seed)
dct = {"params": {"car-params": {"data_paths": "/mnt/local_ssd"}}}
d1: Mapping[Any, Any] = random.choice([{}, dct])
d2: Mapping[Any, Any] = dct if not d1 else {}
assert dict(collections.merge_dicts(d1, d2)) == dct
def test_can_merge_nested_lists_in_dicts(self):
d1 = {"params": {"foo": [1, 2, 3]}}
d2 = {"params": {"foo": [3, 4, 5]}}
assert dict(collections.merge_dicts(d1, d2)) == {
"params": {
"foo": [1, 2, 3, 4, 5]
}
}
def test_can_merge_nested_booleans_in_dicts(self):
d1 = {"params": {"foo": True, "other": [1, 2, 3]}}
d2 = {"params": {"foo": False}}
assert dict(collections.merge_dicts(d1, d2)) == {
"params": {
# d2 wins
"foo": False,
"other": [1, 2, 3],
}
}
def test_can_merge_empty_dicts(self):
d1: Mapping[Any, Any] = {}
d2: Mapping[Any, Any] = {}
assert dict(collections.merge_dicts(d1, d2)) == {}