File size: 1,188 Bytes
358dd8b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | import difflib
import json
from typing import Any, Iterable
import pytest
def _strip_keys(obj: Any, ignore: Iterable[str]) -> Any:
"""Recursively remove any dict keys in `ignore` from obj."""
if isinstance(obj, dict):
return {k: _strip_keys(v, ignore) for k, v in obj.items() if k not in ignore}
if isinstance(obj, list):
return [_strip_keys(v, ignore) for v in obj]
return obj
def assert_json_equal(
actual: Any, expected: Any, *, ignore_keys: Iterable[str] = ()
) -> None:
"""
Assert that two JSON-like structures are equal, ignoring any keys in ignore_keys.
Usage:
assert_json_equal(resp.json(), expected, ignore_keys=["time", "cpu_max"])
"""
a = json.dumps(
_strip_keys(actual, ignore_keys), indent=2, sort_keys=True, ensure_ascii=False
)
e = json.dumps(
_strip_keys(expected, ignore_keys), indent=2, sort_keys=True, ensure_ascii=False
)
if a != e:
diff = difflib.unified_diff(
e.splitlines(),
a.splitlines(),
fromfile="expected",
tofile="actual",
lineterm="",
)
pytest.fail("\n" + "\n".join(diff))
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