chore(tests): improve raw response test (#166)

tests/test_client.py

@@ -33,6 +33,15 @@ def _get_params(client: BaseClient) -> dict[str, str]:
 class TestAnthropic:
     client = Anthropic(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
+    @pytest.mark.respx(base_url=base_url)
+    def test_raw_response(self, respx_mock: MockRouter) -> None:
+        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
+
+        response = self.client.post("/foo", cast_to=httpx.Response)
+        assert response.status_code == 200
+        assert isinstance(response, httpx.Response)
+        assert response.json() == {"foo": "bar"}
+
     def test_copy(self) -> None:
         copied = self.client.copy()
         assert id(copied) != id(self.client)
@@ -418,6 +427,16 @@ class Model(BaseModel):
 class TestAsyncAnthropic:
     client = AsyncAnthropic(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
+    @pytest.mark.respx(base_url=base_url)
+    @pytest.mark.asyncio
+    async def test_raw_response(self, respx_mock: MockRouter) -> None:
+        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))
+
+        response = await self.client.post("/foo", cast_to=httpx.Response)
+        assert response.status_code == 200
+        assert isinstance(response, httpx.Response)
+        assert response.json() == {"foo": "bar"}
+
     def test_copy(self) -> None:
         copied = self.client.copy()
         assert id(copied) != id(self.client)