def test_none_values(inp, reverse, exp):
if reverse:
inp = reversed(inp)
assert remerge(*inp) == exp
## Test one level deeper
#
inp = tuple({"a": i} for i in inp)
exp = {"a": exp}
assert remerge(*inp) == exp
def test_override_list_append():
defaults = {"list_to_append": [{"a": 1}]}
first_override = {"list_to_append": [{"b": 1}]}
source_map = {}
merged = remerge(
("defaults", defaults),
("first_override", first_override),
source_map=source_map,
)
expected_merged = {"list_to_append": [{"a": 1}, {"b": 1}]}
assert merged == expected_merged
assert source_map == {("list_to_append",): ["defaults", "first_override"]}
merged = remerge(defaults, first_override, source_map=None)
assert merged == expected_merged
def test_override_string():
defaults = {"key_to_override": "value_from_defaults"}
first_override = {"key_to_override": "value_from_first_override"}
source_map = {}
merged = remerge(
("defaults", defaults),
("first_override", first_override),
source_map=source_map,
)
expected_merged = {"key_to_override": "value_from_first_override"}
assert merged == expected_merged
assert source_map == {("key_to_override",): "first_override"}
merged = remerge(defaults, first_override, source_map=None)
assert merged == expected_merged
def test_override_subdict():
defaults = {
"subdict": {
"other_subdict": {
"key_to_override": "value_from_defaults",
"integer_to_override": 2222,
}
}
}
first_override = {
"subdict": {
"other_subdict": {
"key_to_override": "value_from_first_override",
"integer_to_override": 5555,
}
}
}
expected_merge = {
"subdict": {
"other_subdict": {
"integer_to_override": 5555,
"key_to_override": "value_from_first_override",
}
}
}
source_map = {}
merged = remerge(
("defaults", defaults),
("first_override", first_override),
source_map=source_map,
)
assert merged == expected_merge
assert source_map == {
("subdict",): "first_override",
("subdict", "other_subdict"): "first_override",
("subdict", "other_subdict", "integer_to_override"): "first_override",
("subdict", "other_subdict", "key_to_override"): "first_override",
}
merged = remerge(defaults, first_override, source_map=None)
assert merged == expected_merge
def test_incompatible_containers(inp):
with pytest.raises(TypeError, match="Incompatible types"):
remerge(*inp)
with pytest.raises(TypeError, match="Incompatible types"):
remerge(*reversed(inp))
## Test one level deeper
#
inp = tuple({"A": i} for i in inp)
with pytest.raises(TypeError, match="Incompatible types"):
remerge(*inp)
with pytest.raises(TypeError, match="Incompatible types"):
remerge(*reversed(inp))
def test_complex_dict():
defaults = {
"key_to_override": "value_from_defaults",
"integer_to_override": 1111,
"list_to_append": [{"a": 1}],
"subdict": {
"other_subdict": {
"key_to_override": "value_from_defaults",
"integer_to_override": 2222,
},
"second_subdict": {
"key_to_override": "value_from_defaults",
"integer_to_override": 3333,
},
},
}
first_override = {
"key_to_override": "value_from_first_override",
"integer_to_override": 4444,
"list_to_append": [{"b": 2}],
"subdict": {
"other_subdict": {
"key_to_override": "value_from_first_override",
"integer_to_override": 5555,
}
},
"added_in_first_override": "some_string",
}
second_override = {
"subdict": {"second_subdict": {"key_to_override": "value_from_second_override"}}
}
source_map = {}
merged = remerge(
("defaults", defaults),
("first_override", first_override),
("second_override", second_override),
source_map=source_map,
)
print("")
print("'merged' dictionary:")
pprint(merged)
print("")
pprint(source_map)
print(len(source_map), "paths")
assert merged["key_to_override"] == "value_from_first_override"
assert merged["integer_to_override"] == 4444
assert (
merged["subdict"]["other_subdict"]["key_to_override"]
== "value_from_first_override"
)
assert merged["subdict"]["other_subdict"]["integer_to_override"] == 5555
assert (
merged["subdict"]["second_subdict"]["key_to_override"]
== "value_from_second_override"
)
assert merged["subdict"]["second_subdict"]["integer_to_override"] == 3333
assert merged["added_in_first_override"] == "some_string"
assert merged["list_to_append"] == [{"a": 1}, {"b": 2}]