Function test_index_cache_ignores_cache_save_failure

tests/test_mcp.py:253–260

A cache save failure must not fail the MCP request.

(cache: _IndexCache, tmp_path: Path)

@pytest.mark.anyio
async def test_index_cache_ignores_cache_save_failure(cache: _IndexCache, tmp_path: Path) -> None:
    """A cache save failure must not fail the MCP request."""
    fake_index = MagicMock()
    with (
        patch("semble.mcp.SembleIndex.from_path", return_value=fake_index),
        patch("semble.mcp.save_index_to_cache", side_effect=RuntimeError("save failed")),
    ):
        assert await cache.get(str(tmp_path)) is fake_index


@pytest.mark.anyio