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"""Tests for shared assertion helpers in tests.conftest."""
from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from tests.conftest import assert_exact_directory_content
if TYPE_CHECKING:
from pathlib import Path
def test_assert_exact_directory_content_reports_diff(tmp_path: Path) -> None:
"""Test exact directory comparison reports the mismatched file path."""
output_dir = tmp_path / "output"
expected_dir = tmp_path / "expected"
output_dir.mkdir()
expected_dir.mkdir()
(output_dir / "sample.py").write_text("value = 1\n", encoding="utf-8")
(expected_dir / "sample.py").write_text("value = 2\n", encoding="utf-8")
with pytest.raises(AssertionError, match="Content mismatch") as exc_info:
assert_exact_directory_content(output_dir, expected_dir)
assert "sample.py" in str(exc_info.value)
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