431 lines
14 KiB
Python
431 lines
14 KiB
Python
from unittest.mock import MagicMock, patch
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import pytest
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from fastapi.testclient import TestClient
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from free_claude_code.core.failures import ExecutionFailure, FailureKind
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from free_claude_code.providers.nvidia_nim import NvidiaNimProvider
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from tests.api.support import create_test_app
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app = create_test_app()
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# Mock provider
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mock_provider = MagicMock(spec=NvidiaNimProvider)
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# Track stream_response calls for test_model_mapping
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_stream_response_calls: list = []
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async def _mock_stream_response(*args, **kwargs):
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"""Minimal async generator for streaming tests."""
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_stream_response_calls.append((args, kwargs))
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yield "event: message_start\ndata: {}\n\n"
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yield "[DONE]\n\n"
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async def _mock_pre_start_rate_limit(*args, **kwargs):
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"""Provider stream that fails before any downstream-visible SSE chunk."""
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_stream_response_calls.append((args, kwargs))
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raise ExecutionFailure(
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kind=FailureKind.RATE_LIMIT,
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status_code=429,
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message="upstream is busy",
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retryable=True,
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)
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yield "unreachable"
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async def _mock_empty_stream(*args, **kwargs):
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"""Provider stream that completes without a protocol frame."""
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_stream_response_calls.append((args, kwargs))
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if False:
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yield "unreachable"
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def _terminal_json_error(response, *, status_code: int):
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assert response.status_code == status_code
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assert response.headers["content-type"].startswith("application/json")
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assert response.headers["x-should-retry"] == "false"
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request_id = response.headers["request-id"]
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payload = response.json()
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assert payload["request_id"] == request_id
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return payload["error"]
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mock_provider.stream_response = _mock_stream_response
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@pytest.fixture(scope="module")
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def client():
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"""HTTP client with provider resolution stubbed; patch only for this file."""
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with (
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patch(
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"free_claude_code.api.routes.resolve_provider",
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return_value=mock_provider,
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),
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TestClient(app) as test_client,
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):
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yield test_client
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def test_root(client: TestClient):
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response = client.get("/")
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assert response.status_code == 200
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assert response.json()["status"] == "ok"
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assert response.headers["request-id"].startswith("req_")
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def test_health(client: TestClient):
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response = client.get("/health")
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assert response.status_code == 200
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assert response.json()["status"] == "healthy"
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assert response.headers["request-id"].startswith("req_")
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def test_models_list(client: TestClient):
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response = client.get("/v1/models")
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assert response.status_code == 200
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data = response.json()
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assert data["has_more"] is False
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ids = [item["id"] for item in data["data"]]
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assert "claude-sonnet-4-20250514" in ids
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assert data["first_id"] == ids[0]
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assert data["last_id"] == ids[-1]
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assert response.headers["x-request-id"] == response.headers["request-id"]
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def test_probe_endpoints_return_204_with_allow_headers(client: TestClient):
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responses = [
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client.head("/"),
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client.options("/"),
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client.head("/health"),
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client.options("/health"),
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client.head("/v1/messages"),
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client.options("/v1/messages"),
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client.head("/v1/messages/count_tokens"),
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client.options("/v1/messages/count_tokens"),
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]
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for response in responses:
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assert response.status_code == 204
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assert "Allow" in response.headers
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def test_create_message_stream(client: TestClient):
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"""Create message returns streaming response."""
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_stream_response_calls.clear()
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payload = {
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"model": "claude-3-sonnet",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 100,
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"stream": True,
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}
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response = client.post("/v1/messages", json=payload)
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assert response.status_code == 200
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assert "text/event-stream" in response.headers.get("content-type", "")
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content = b"".join(response.iter_bytes())
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assert b"message_start" in content or b"event:" in content
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assert _stream_response_calls[0][1]["request_id"] == response.headers["request-id"]
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def test_create_message_ingress_error_has_request_id_without_terminal_header(
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client: TestClient,
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):
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response = client.post(
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"/v1/messages",
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json={"model": "test", "messages": [], "max_tokens": 10, "stream": True},
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)
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assert response.status_code == 400
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assert "x-should-retry" not in response.headers
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assert response.json()["request_id"] == response.headers["request-id"]
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def test_create_message_schema_validation_has_request_id_without_terminal_header(
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client: TestClient,
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):
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response = client.post(
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"/v1/messages",
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json={"model": "test", "messages": "not-a-list"},
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)
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assert response.status_code == 422
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assert response.headers["request-id"].startswith("req_")
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assert "x-should-retry" not in response.headers
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def test_create_message_pre_start_provider_error_returns_terminal_json(
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client: TestClient,
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):
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"""Pre-start provider failures keep status without enabling client retries."""
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mock_provider.stream_response = _mock_pre_start_rate_limit
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_stream_response_calls.clear()
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payload = {
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"model": "claude-3-sonnet",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 100,
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"stream": True,
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}
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with (
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patch("free_claude_code.api.response_streams.trace_event") as trace,
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patch("free_claude_code.application.execution.trace_event") as execution_trace,
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):
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response = client.post("/v1/messages", json=payload)
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error = _terminal_json_error(response, status_code=429)
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assert error == {"type": "rate_limit_error", "message": "upstream is busy"}
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request_id = response.headers["request-id"]
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assert _stream_response_calls[0][1]["request_id"] == request_id
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route_trace = next(
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call.kwargs
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for call in execution_trace.call_args_list
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if call.kwargs.get("event") == "free_claude_code.api.route.resolved"
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)
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assert route_trace["request_id"] == request_id
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terminal_trace = next(
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call.kwargs
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for call in trace.call_args_list
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if call.kwargs.get("event")
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== "free_claude_code.api.response.terminal_execution_error"
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)
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assert terminal_trace == {
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"stage": "egress",
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"event": "free_claude_code.api.response.terminal_execution_error",
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"source": "api",
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"wire_api": "messages",
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"request_id": request_id,
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"status_code": 429,
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"error_type": "rate_limit_error",
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"client_should_retry": False,
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"exc_type": "ExecutionFailure",
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"failure_kind": "rate_limit",
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"provider_retryable": True,
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}
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mock_provider.stream_response = _mock_stream_response
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def test_create_message_accepts_system_role_messages(client: TestClient):
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"""Create message accepts latest-client system messages."""
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mock_provider.stream_response = _mock_stream_response
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_stream_response_calls.clear()
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payload = {
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"model": "claude-3-sonnet",
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"messages": [
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{"role": "user", "content": "context"},
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{"role": "system", "content": "system prompt"},
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{"role": "user", "content": "Hi"},
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],
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"max_tokens": 100,
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"stream": True,
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}
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response = client.post("/v1/messages", json=payload)
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assert response.status_code == 200
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routed_request = _stream_response_calls[0][0][0]
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assert [message.role for message in routed_request.messages] == ["user", "user"]
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assert routed_request.system == "system prompt"
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def test_model_mapping(client: TestClient):
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# Test Haiku mapping
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_stream_response_calls.clear()
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payload_haiku = {
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"model": "claude-3-haiku-20240307",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 100,
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"stream": True,
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}
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client.post("/v1/messages", json=payload_haiku)
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assert len(_stream_response_calls) == 1
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args = _stream_response_calls[0][0]
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kwargs = _stream_response_calls[0][1]
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assert args[0].model != "claude-3-haiku-20240307"
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assert kwargs["thinking_enabled"] is True
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@pytest.mark.parametrize(
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("failure", "expected_type"),
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[
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(
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ExecutionFailure(
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FailureKind.AUTHENTICATION, 401, "Invalid Key", retryable=False
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),
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"authentication_error",
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),
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(
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ExecutionFailure(
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FailureKind.INVALID_REQUEST,
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400,
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"Invalid request api_key=SECRET useful detail",
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retryable=False,
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),
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"invalid_request_error",
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),
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(
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ExecutionFailure(
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FailureKind.RATE_LIMIT, 429, "Too Many Requests", retryable=True
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),
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"rate_limit_error",
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),
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(
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ExecutionFailure(
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FailureKind.OVERLOADED, 529, "Server Overloaded", retryable=True
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),
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"overloaded_error",
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),
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(
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ExecutionFailure(
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FailureKind.UPSTREAM, 503, "Upstream failed", retryable=True
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),
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"api_error",
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),
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],
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)
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def test_provider_execution_errors_preserve_status_and_type(
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client: TestClient,
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failure: ExecutionFailure,
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expected_type: str,
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):
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base_payload = {
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"model": "test",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 10,
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"stream": True,
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}
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def _raise_provider_error(*args, **kwargs):
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raise failure
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try:
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mock_provider.stream_response = _raise_provider_error
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response = client.post("/v1/messages", json=base_payload)
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error = _terminal_json_error(response, status_code=failure.status_code)
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assert error["type"] == expected_type
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assert "SECRET" not in error["message"]
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if expected_type == "invalid_request_error":
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assert "useful detail" in error["message"]
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finally:
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mock_provider.stream_response = _mock_stream_response
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def test_empty_provider_stream_returns_terminal_json(client: TestClient):
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mock_provider.stream_response = _mock_empty_stream
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try:
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response = client.post(
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"/v1/messages",
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json={
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"model": "test",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 10,
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"stream": True,
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},
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)
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error = _terminal_json_error(response, status_code=500)
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assert error["type"] == "api_error"
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assert error["message"] == "Stream ended before emitting a response."
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finally:
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mock_provider.stream_response = _mock_stream_response
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def test_generic_stream_exception_returns_terminal_json(client: TestClient):
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"""Unexpected provider execution failures return detailed terminal JSON."""
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def _raise_runtime(*args, **kwargs):
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raise RuntimeError("unexpected crash")
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mock_provider.stream_response = _raise_runtime
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response = client.post(
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"/v1/messages",
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json={
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"model": "test",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 10,
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"stream": True,
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},
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)
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error = _terminal_json_error(response, status_code=500)
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assert error["type"] == "api_error"
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assert error["message"] == "unexpected crash"
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mock_provider.stream_response = _mock_stream_response
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def test_generic_stream_exception_with_status_code_returns_terminal_json(
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client: TestClient,
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):
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"""Ad-hoc status_code attrs do not become retryable HTTP responses."""
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class ExceptionWithStatus(RuntimeError):
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def __init__(self, msg: str, status_code: int = 500):
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super().__init__(msg)
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self.status_code = status_code
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def _raise_with_status(*args, **kwargs):
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raise ExceptionWithStatus("bad gateway", 502)
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mock_provider.stream_response = _raise_with_status
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response = client.post(
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"/v1/messages",
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json={
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"model": "test",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 10,
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"stream": True,
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},
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)
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error = _terminal_json_error(response, status_code=500)
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assert error["type"] == "api_error"
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assert error["message"] == "bad gateway"
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mock_provider.stream_response = _mock_stream_response
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def test_generic_stream_exception_empty_message_returns_non_empty_error(
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client: TestClient,
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):
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"""Exceptions with empty __str__ still return a readable HTTP detail."""
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class SilentError(RuntimeError):
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def __str__(self):
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return ""
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def _raise_silent(*args, **kwargs):
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raise SilentError()
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mock_provider.stream_response = _raise_silent
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response = client.post(
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"/v1/messages",
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json={
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"model": "test",
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"messages": [{"role": "user", "content": "Hi"}],
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"max_tokens": 10,
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"stream": True,
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},
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)
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error = _terminal_json_error(response, status_code=500)
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assert error["type"] == "api_error"
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assert error["message"] != ""
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mock_provider.stream_response = _mock_stream_response
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def test_count_tokens_endpoint(client: TestClient):
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"""count_tokens endpoint returns token count."""
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response = client.post(
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"/v1/messages/count_tokens",
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json={"model": "test", "messages": [{"role": "user", "content": "Hello"}]},
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)
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assert response.status_code == 200
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assert "input_tokens" in response.json()
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assert response.headers["request-id"].startswith("req_")
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def test_stop_endpoint_no_workflow_no_cli_503(client: TestClient):
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"""POST /stop without messaging workflow or cli_manager returns 503."""
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# Ensure no messaging workflow or cli_manager on app state
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if hasattr(app.state, "messaging_workflow"):
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delattr(app.state, "messaging_workflow")
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if hasattr(app.state, "cli_manager"):
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delattr(app.state, "cli_manager")
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response = client.post("/stop")
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assert response.status_code == 503
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