Add tests for api version checking

tests/test_clients.py

@@ -13,6 +13,32 @@
 from tests.common import model_name, sync_client, async_client
 
 
+def test_api_version_mismatch_client(httpserver: HTTPServer):
+    httpserver.expect_request("/version").respond_with_data("0.0.0")
+
+    with pytest.raises(RuntimeError):
+        Client(host=httpserver.url_for(""), token="AA_TOKEN")
+
+
+async def test_api_version_mismatch_async_client(httpserver: HTTPServer):
+    httpserver.expect_request("/version").respond_with_data("0.0.0")
+
+    with pytest.raises(RuntimeError):
+        async with AsyncClient(host=httpserver.url_for(""), token="AA_TOKEN"):
+            pass
+
+
+def test_api_version_correct_client(httpserver: HTTPServer):
+    httpserver.expect_request("/version").respond_with_data(MIN_API_VERSION)
+    Client(host=httpserver.url_for(""), token="AA_TOKEN")
+
+
+async def test_api_version_correct_async_client(httpserver: HTTPServer):
+    httpserver.expect_request("/version").respond_with_data(MIN_API_VERSION)
+    async with AsyncClient(host=httpserver.url_for(""), token="AA_TOKEN"):
+        pass
+
+
 @pytest.mark.system_test
 async def test_can_use_async_client_without_context_manager(model_name: str):
     request = CompletionRequest(