Add service insight pytest for cross namespace VSR (#8055)

* Add service insight pytest for cross namespace vsr

* remove duplicate req_url

Author: pdabelf5

tests/suite/test_v_s_route_service_insight.py

@@ -0,0 +1,56 @@
+from unittest import mock
+
+import pytest
+import requests
+from suite.utils.resources_utils import (
+    ensure_response_from_backend,
+    wait_before_test,
+)
+
+
+@pytest.mark.vsr
+@pytest.mark.skip_for_nginx_oss
+@pytest.mark.parametrize(
+    "crd_ingress_controller, v_s_route_setup",
+    [
+        (
+            {
+                "type": "complete",
+                "extra_args": [
+                    f"-enable-custom-resources",
+                    f"-enable-service-insight",
+                ],
+            },
+            {"example": "virtual-server-route"},
+        )
+    ],
+    indirect=True,
+)
+class TestServiceInsightVsr:
+    def test_service_insight_vsr(
+        self,
+        kube_apis,
+        ingress_controller_endpoint,
+        crd_ingress_controller,
+        v_s_route_app_setup,
+        v_s_route_setup,
+        test_namespace,
+    ):
+        """
+        Test if service insight is working with cross namespace virtual server route
+        """
+
+        retry = 0
+        resp = mock.Mock()
+        resp.json.return_value = {}
+        resp.status_code == 502
+        host = v_s_route_setup.vs_host
+        req_url = f"http://{ingress_controller_endpoint.public_ip}:{ingress_controller_endpoint.service_insight_port}/probe/{host}"
+        ensure_response_from_backend(req_url, v_s_route_setup.vs_host)
+        while (resp.json() != {"Total": 6, "Up": 6, "Unhealthy": 0}) and retry < 5:
+            resp = requests.get(req_url)
+            wait_before_test()
+            retry = retry + 1
+
+        assert resp.status_code == 200, f"Expected 200 code for /probe/{host} but got {resp.status_code}"
+        assert resp.json() == {"Total": 6, "Up": 6, "Unhealthy": 0}