123 lines
4.8 KiB
Python
123 lines
4.8 KiB
Python
import httpx
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import pytest
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from app.platforms.base import PlatformAPIError, TikHubClient
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class SequenceTransport:
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def __init__(self, responses):
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self.responses = list(responses)
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self.requests = []
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def __call__(self, request: httpx.Request) -> httpx.Response:
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self.requests.append(request)
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response = self.responses.pop(0)
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response.request = request
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return response
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def test_tikhub_client_retries_429_with_exponential_backoff(monkeypatch):
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sleeps = []
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monkeypatch.setattr("app.platforms.base.time.sleep", sleeps.append)
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transport = SequenceTransport(
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[
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httpx.Response(429, json={"message": "Too Many Requests"}),
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httpx.Response(429, json={"message": "Too Many Requests"}),
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httpx.Response(200, json={"ok": True}),
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]
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)
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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result = client.get("/demo")
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assert result == {"ok": True}
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assert sleeps == [1, 2]
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assert len(transport.requests) == 3
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assert transport.requests[0].headers["Authorization"] == "Bearer secret-token"
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def test_tikhub_client_raises_structured_error_after_retries(monkeypatch):
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sleeps = []
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monkeypatch.setattr("app.platforms.base.time.sleep", sleeps.append)
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transport = SequenceTransport([httpx.Response(429, json={"message": "Too Many Requests"}) for _ in range(4)])
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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with pytest.raises(PlatformAPIError) as exc_info:
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client.get("/demo")
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assert exc_info.value.error_type == "rate_limited"
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assert exc_info.value.status_code == 429
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assert "secret-token" not in str(exc_info.value)
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assert sleeps == [1, 2, 4]
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def test_tikhub_client_retries_transient_api_error(monkeypatch):
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sleeps = []
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monkeypatch.setattr("app.platforms.base.time.sleep", sleeps.append)
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transport = SequenceTransport(
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[
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httpx.Response(400, json={"message_zh": "临时请求失败"}),
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httpx.Response(200, json={"ok": True}),
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]
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)
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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result = client.get("/demo")
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assert result == {"ok": True}
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assert sleeps == [1]
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assert len(transport.requests) == 2
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def test_tikhub_client_includes_response_summary_after_api_error_retries(monkeypatch):
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sleeps = []
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monkeypatch.setattr("app.platforms.base.time.sleep", sleeps.append)
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transport = SequenceTransport(
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[httpx.Response(400, json={"message_zh": "笔记评论暂不可用"}) for _ in range(4)]
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)
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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with pytest.raises(PlatformAPIError) as exc_info:
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client.get("/demo")
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assert exc_info.value.error_type == "api_error"
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assert exc_info.value.status_code == 400
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assert "External API returned HTTP 400" in str(exc_info.value)
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assert "笔记评论暂不可用" in str(exc_info.value)
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assert "secret-token" not in str(exc_info.value)
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assert sleeps == [1, 2, 4]
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def test_tikhub_client_includes_text_response_summary_after_api_error_retries(monkeypatch):
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sleeps = []
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monkeypatch.setattr("app.platforms.base.time.sleep", sleeps.append)
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transport = SequenceTransport([httpx.Response(502, text="upstream temporary failure") for _ in range(4)])
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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with pytest.raises(PlatformAPIError) as exc_info:
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client.get("/demo")
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assert exc_info.value.error_type == "api_error"
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assert exc_info.value.status_code == 502
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assert str(exc_info.value) == "External API returned HTTP 502: upstream temporary failure"
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assert sleeps == [1, 2, 4]
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def test_tikhub_client_reports_401_as_auth_error_without_leaking_token():
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transport = SequenceTransport([httpx.Response(401, json={"message": "Unauthorized"})])
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http_client = httpx.Client(transport=httpx.MockTransport(transport))
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client = TikHubClient(base_url="https://api.test", api_key="secret-token", http_client=http_client)
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with pytest.raises(PlatformAPIError) as exc_info:
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client.get("/demo")
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assert exc_info.value.error_type == "auth_error"
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assert exc_info.value.status_code == 401
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assert str(exc_info.value) == "TikHub 鉴权失败，请检查 TIKHUB_API_KEY 是否有效"
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assert "secret-token" not in str(exc_info.value)
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