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from dataclasses import dataclass | |
import pytest | |
from lib.util import paths_eq | |
from collections.abc import Mapping | |
_MISS = object() | |
def get(obj, field, default=None): | |
if field.isnumeric(): | |
i = int(field) | |
try: | |
return obj[i] | |
except IndexError: | |
return default | |
elif isinstance(obj, Mapping): | |
return obj.get(field, default) | |
return getattr(obj, field, default) | |
def getpath(obj, path, default=None): | |
for sp in path.split('.'): | |
obj = get(obj, sp, _MISS) | |
if obj == _MISS: | |
return default | |
return obj | |
def path_eq(path, a, b): | |
return getpath(a, path, _MISS) == getpath(b, path, _MISS) | |
def paths_eq(paths, a, b): | |
return all(path_eq(p, a, b) for p in paths) | |
@dataclass | |
class A: | |
a: int | |
@dataclass | |
class B: | |
a: A | |
l: list | |
@pytest.mark.parametrize( | |
'a,b,paths,expected_result', | |
[ | |
[{}, {}, [], True], | |
[[], [], [], True], | |
[None, None, [], True], | |
[object(), object(), [], True], | |
[{1}, {1}, ['a'], True], | |
[{'a': 1}, {'a': 1}, ['a'], True], | |
[{'a': {'b': 1}}, {'a': {'b': 1}}, ['a'], True], | |
[{'a': {'b': 1}}, {'a': {'b': 2}}, ['a'], False], | |
[{'a': A(a=1)}, {'a': A(a=1)}, ['a'], True], | |
[{'a': A(a=1)}, {'a': A(a=2)}, ['a'], False], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 2])}, ['b'], True], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 2])}, ['b.a'], True], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 3])}, ['b.a'], True], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 3])}, ['b'], False], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 2])}, ['b.l'], True], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 3])}, ['b.l'], False], | |
[{'b': B(a=A(a=1), l=[1, 2])}, {'b': B(a=A(a=1), l=[1, 3])}, ['a', 'a.b'], True], | |
[{'l': [1, 2, 3]}, {'l': [1, 2, 3]}, ['l.0'], True], | |
[{'l': [1, 2, 3]}, {'l': [2, 2, 3]}, ['l.0'], False], | |
[{'l': [1, 2, 3]}, {'l': [2, 2, 3]}, ['l.99'], True], | |
], | |
) | |
def test_paths_equal(a, b, paths, expected_result): | |
actual_result = paths_eq(paths, a, b) | |
assert expected_result == actual_result |
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