105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
import pytest
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from sentence_api.ai_tutor import AITutor, AITutorError
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class FakeResponse:
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def __init__(self, status_code=200, body=None):
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self.status_code = status_code
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self.text = str(body)
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self._body = body or {}
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def json(self):
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if self._body is None:
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raise ValueError("invalid JSON")
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return self._body
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def test_ai_tutor_parses_chat_completion(monkeypatch):
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requests_payloads = []
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def fake_post(endpoint, headers, json, timeout):
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requests_payloads.append((endpoint, headers, json, timeout))
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return FakeResponse(
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body={
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"choices": [
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{"message": {"content": " 这句话的意思是…… "}}
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]
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}
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)
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monkeypatch.setattr("sentence_api.ai_tutor.requests.post", fake_post)
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tutor = AITutor("https://ai.test/chat", "secret", "test-model", 1.5)
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explanation = tutor.explain(
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"The early bird catches the worm.",
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course_title="English idioms",
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sentence_index=1,
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language="en",
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)
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endpoint, headers, payload, timeout = requests_payloads[0]
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assert explanation == "这句话的意思是……"
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assert endpoint == "https://ai.test/chat"
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assert headers["Authorization"] == "Bearer secret"
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assert payload["model"] == "test-model"
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assert "The early bird catches the worm." in payload["messages"][1]["content"]
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assert timeout == 1.5
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def test_ai_tutor_resolves_openai_compatible_base_url(monkeypatch):
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endpoints = []
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def fake_post(endpoint, **kwargs):
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endpoints.append(endpoint)
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return FakeResponse(body={"choices": [{"message": {"content": "ok"}}]})
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monkeypatch.setattr("sentence_api.ai_tutor.requests.post", fake_post)
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tutor = AITutor("https://ai.test:8080/v1", "secret", "test-model", 1)
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assert tutor.explain("Hello.") == "ok"
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assert endpoints == ["https://ai.test:8080/v1/chat/completions"]
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assert tutor.request_url == "https://ai.test:8080/v1/chat/completions"
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def test_ai_tutor_rejects_unexpected_response(monkeypatch):
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monkeypatch.setattr(
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"sentence_api.ai_tutor.requests.post",
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lambda *args, **kwargs: FakeResponse(body={"choices": []}),
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)
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tutor = AITutor("https://ai.test/chat", "secret", "test-model", 1)
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with pytest.raises(AITutorError):
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tutor.explain("Hello.")
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from sentence_api.ai_tutor import _parse_translation_payload
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def test_ai_tutor_translates_full_document(monkeypatch):
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requests_payloads = []
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def fake_post(endpoint, headers, json, timeout):
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requests_payloads.append((endpoint, headers, json, timeout))
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return FakeResponse(body={"choices": [{"message": {"content": '["你好。", "见到你很高兴。"]'}}]})
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monkeypatch.setattr("sentence_api.ai_tutor.requests.post", fake_post)
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tutor = AITutor("https://ai.test/v1", "secret", "test-model", 1.5)
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translated = tutor.translate_sentences(
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[(0, "Hello."), (1, "Nice to meet you.")],
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course_title="Greetings",
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)
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assert translated == {0: "你好。", 1: "见到你很高兴。"}
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_endpoint, _headers, payload, timeout = requests_payloads[0]
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user_prompt = payload["messages"][1]["content"]
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assert "Hello." in user_prompt
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assert "Nice to meet you." in user_prompt
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assert timeout == 90.0
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def test_parse_translation_payload_accepts_fenced_json_and_numbered_lines():
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assert _parse_translation_payload('```json\n["一", "二"]\n```', 2) == ["一", "二"]
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assert _parse_translation_payload("1. 一\n2. 二", 2) == ["一", "二"]
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