def test_env_file_paths_are_project_relative(tmp_path, monkeypatch):
    project = tmp_path / "Seg_Data_Server_Net"
    source = tmp_path / "Seg"
    project.mkdir()
    source.mkdir()
    (project / ".env").write_text(
        "\n".join(
            [
                "SEG_SOURCE_ROOT=../Seg",
                "SEG_BACKEND_DB=var/seg_data_server.sqlite3",
                "SEG_BACKEND_LOG_DIR=var/job_logs",
            ]
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("SEG_DATA_SERVER_ROOT", str(project))
    monkeypatch.delenv("SEG_SOURCE_ROOT", raising=False)
    monkeypatch.delenv("SEG_BACKEND_DB", raising=False)
    monkeypatch.delenv("SEG_BACKEND_LOG_DIR", raising=False)

    from app.config import get_settings

    settings = get_settings()

    assert settings.source_root == source.resolve()
    assert settings.db_path == (project / "var" / "seg_data_server.sqlite3").resolve()
    assert settings.log_dir == (project / "var" / "job_logs").resolve()