import json def test_api_translate(client): response = client.post("/translate", data={ "q": "Hello", "source": "en", "target": "es", "format": "text" }) response_json = json.loads(response.data) assert "translatedText" in response_json assert response.status_code == 200 def test_api_translate_batch(client): response = client.post("/translate", json={ "q": ["Hello", "World"], "source": "en", "target": "es", "format": "text" }) response_json = json.loads(response.data) assert "translatedText" in response_json assert isinstance(response_json["translatedText"], list) assert len(response_json["translatedText"]) == 2 assert response.status_code == 200 def test_api_translate_unsupported_language(client): response = client.post("/translate", data={ "q": "Hello", "source": "en", "target": "zz", "format": "text" }) response_json = json.loads(response.data) assert "error" in response_json assert response_json["error"] == "zz is not supported" assert response.status_code == 400 def test_api_translate_missing_parameter(client): response = client.post("/translate", data={ "source": "en", "target": "es", "format": "text" }) response_json = json.loads(response.data) assert "error" in response_json assert response_json["error"] == "Invalid request: missing q parameter" assert response.status_code == 400