from src.backend.models.api import ok, fail, ApiResponse, ApiError


class TestApiEnvelope:
    def test_ok_response(self):
        result = ok({"status": "running"})
        assert result["success"] is True
        assert result["data"]["status"] == "running"
        assert result["error"] is None

    def test_fail_response(self):
        result = fail("TIMEOUT", "Frame capture timeout")
        assert result["success"] is False
        assert result["data"] is None
        assert result["error"]["code"] == "TIMEOUT"
        assert result["error"]["message"] == "Frame capture timeout"

    def test_api_response_model(self):
        resp = ApiResponse(success=True, data={"key": "value"})
        assert resp.success is True
        assert resp.data == {"key": "value"}

    def test_api_error_model(self):
        err = ApiError(code="NOT_FOUND", message="Resource not found")
        assert err.code == "NOT_FOUND"