Tests: add missed test file

Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>

tests/test_cgw_infras_msg_queue.py

@@ -0,0 +1,95 @@
+import pytest
+import uuid
+import random
+from randmac import RandMac
+import time
+
+from metrics import cgw_metrics_get_active_shards_num, \
+    cgw_metrics_get_groups_assigned_num, \
+    cgw_metrics_get_group_infras_assigned_num, \
+    cgw_metrics_get_group_ifras_capacity, \
+    cgw_metrics_get_connections_num
+
+
+class TestCgwInfrasMsgQueue:
+    @pytest.mark.usefixtures("test_context",
+                            "cgw_probe",
+                            "kafka_probe",
+                            "redis_probe",
+                            "psql_probe",
+                            "kafka_default_infra_group",
+                            "kafka_default_infra",
+                            "device_sim_connect",
+                            "device_sim_send_ucentral_connect")
+    def test_infra_msg_reboot(self, test_context):
+        assert test_context.kafka_producer.is_connected(),\
+            f'Cannot create default group: kafka producer is not connected to Kafka'
+
+        assert test_context.kafka_consumer.is_connected(),\
+            f'Cannot create default group: kafka consumer is not connected to Kafka'
+
+        # Simulate at least 1 sec sleep before checking metrics
+        # Without it, tests sometimes can fail
+        # NOTE: more complex tests might avoid waiting
+        # by making sure to wait / recv the infra_join msg.
+        time.sleep(1)
+
+        assert cgw_metrics_get_active_shards_num() >= 1
+        assert cgw_metrics_get_connections_num() == 1
+
+        shard_info = test_context.redis_client.get_shard(0)
+        if not shard_info:
+            print(f'Failed to get shard 0 info from Redis!')
+            raise Exception('Failed to get shard 0 info from Redis!')
+
+        assert int(shard_info.get('assigned_groups_num')) == cgw_metrics_get_groups_assigned_num() == 1
+
+        uuid_val = uuid.uuid4()
+        request_id = random.randint(1, 100)
+        default_group = test_context.default_kafka_group()
+        default_infra_mac = test_context.default_dev_sim_mac()
+
+        msg = test_context.kafka_producer.device_message_reboot(default_infra_mac, id=request_id)
+        test_context.kafka_producer.handle_single_device_message(msg, default_group, default_infra_mac, uuid_val.int)
+        wss_recv_msg = test_context.device_sim.get_single_message(test_context.device_sim._socket)
+        kafka_ret_msg = test_context.kafka_consumer.get_result_msg(uuid_val.int)
+        assert wss_recv_msg is not None,\
+            f'Failed to receive any message while expected to'
+
+        assert wss_recv_msg["method"] == msg["method"] == "reboot"
+        assert wss_recv_msg["id"] == msg["id"]
+        assert wss_recv_msg["params"]["serial"] == msg["params"]["serial"]
+
+        reboot_response = test_context.device_sim.messages.from_json(test_context.device_sim.messages.reboot_response)
+        reboot_response["result"]["id"] = wss_recv_msg["id"]
+
+        test_context.device_sim._socket.send(test_context.device_sim.messages.to_json(reboot_response))
+        kafka_result_msg = test_context.kafka_consumer.get_infra_request_result_msg(uuid_val.int)
+
+        assert kafka_result_msg is not None,\
+            f'Expected to received enqueue request result, found none!'
+
+        assert kafka_result_msg.value['success'],\
+            f'Expected result message to have status successful (success=True)!'
+
+        assert kafka_result_msg.value["id"] == request_id
+
+        test_context.device_sim.disconnect()
+
+        # Simulate at least 1 sec sleep before checking metrics
+        time.sleep(1)
+        assert cgw_metrics_get_connections_num() == 0
+        assert test_context.device_sim._socket is None, \
+            f"Expected websocket connection to be NULL after disconnect."
+
+        # Chill for a while before reconnecting
+        time.sleep(2)
+
+        test_context.device_sim.connect()
+        test_context.device_sim.send_hello(test_context.device_sim._socket)
+
+        # Simulate at least 1 sec sleep before checking metrics
+        time.sleep(1)
+        assert cgw_metrics_get_connections_num() == 1
+        assert test_context.device_sim._socket is not None, \
+            f"Expected websocket connection NOT to be NULL after reconnect."