add ts snippet tests

tests/data/transport-server-snippets/transport-server-snippets.yaml

@@ -0,0 +1,16 @@
+apiVersion: k8s.nginx.org/v1alpha1
+kind: TransportServer
+metadata:
+  name: transport-server
+spec:
+  streamSnippets: limit_conn_zone $binary_remote_addr zone=addr:10m;
+  serverSnippets: limit_conn addr 1;
+  listener:
+    name: dns-tcp
+    protocol: TCP
+  upstreams:
+    - name: dns-app
+      service: coredns
+      port: 5353
+  action:
+    pass: dns-app

tests/suite/test_transport_server_snippets.py

@@ -0,0 +1,67 @@
+import pytest
+
+from suite.resources_utils import (
+    wait_before_test,
+    get_ts_nginx_template_conf,
+)
+from suite.custom_resources_utils import (
+    patch_ts,
+)
+from settings import TEST_DATA
+
+@pytest.mark.ts
+@pytest.mark.parametrize(
+    "crd_ingress_controller, transport_server_setup",
+    [
+        (
+            {   "type": "complete",
+                "extra_args":
+                    [
+                        "-global-configuration=nginx-ingress/nginx-configuration",
+                        "-enable-leader-election=false",
+                        "-enable-snippets",
+                    ]
+            },
+            {"example": "transport-server-status"},
+        )
+    ],
+    indirect=True,
+)
+class TestTransportServerSnippets:
+
+    def test_snippets(
+        self, kube_apis, crd_ingress_controller, transport_server_setup, ingress_controller_prerequisites
+    ):
+        """
+        Test snippets are present in conf when enabled
+        """
+        patch_src = f"{TEST_DATA}/transport-server-snippets/transport-server-snippets.yaml"
+        patch_ts(
+            kube_apis.custom_objects,
+            transport_server_setup.name,
+            patch_src,
+            transport_server_setup.namespace,
+        )
+        wait_before_test()
+
+        conf = get_ts_nginx_template_conf(
+            kube_apis.v1,
+            transport_server_setup.namespace,
+            transport_server_setup.name,
+            transport_server_setup.ingress_pod_name,
+            ingress_controller_prerequisites.namespace
+        )
+        print(conf)
+
+        std_src = f"{TEST_DATA}/transport-server-status/standard/transport-server.yaml"
+        patch_ts(
+            kube_apis.custom_objects,
+            transport_server_setup.name,
+            std_src,
+            transport_server_setup.namespace,
+        )
+
+        assert (
+            "limit_conn_zone $binary_remote_addr zone=addr:10m;" in conf # stream-snippets
+            and "limit_conn addr 1;" in conf # server-snippets
+        )