Resolve "Implement integration tests for applications"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #347

integration-tests/integrationTestUtils/integrationTestUtils.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"os/exec"
 	"time"
 
 	configMgmtPb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/configurationmanagement"
@@ -192,3 +193,57 @@ func cleanRolesExceptAdmin(resp *apb.GetRolesResponse, roleService apb.RoleServi
 
 	return nil
 }
+
+func ClearRabbitMQQueues() {
+	rabbitMQAddress := "localhost"
+	envVarRabbitmq := os.Getenv("RABBITMQ")
+	if envVarRabbitmq != "" {
+		rabbitMQAddress = envVarRabbitmq
+	}
+
+	// add more queue names if necessary
+	queues := []string{
+		"user",
+		"role",
+		"managedNetworkElement",
+	}
+
+	// for _, queue := range queues {
+	// 	args := []string{
+	// 		"-X", "DELETE",
+	// 		"-u", "guest:guest",
+	// 		"http://" + rabbitMQAddress + ":15672/api/queues/%2f/" + queue,
+	// 		"--write-out", "%{http_code}",
+	// 	}
+
+	// 	cmd := exec.Command("curl", args...)
+	// 	cmd.Stdout = os.Stdout
+	// 	cmd.Stderr = os.Stderr
+	// 	err := cmd.Run()
+	// 	if err != nil {
+	// 		logrus.Info(err)
+	// 	}
+	// }
+
+	// -i -u guest:guest -H "content-type:application/json" -X POST http://127.0.0.1:15672/api/queues/foo/get -d '{"count":5,"requeue":true,"encoding":"auto","truncate":50000}'
+
+	for _, queue := range queues {
+		args := []string{
+			"-i",
+			"-u", "guest:guest",
+			"-H", "\"content-type:application/json\"",
+			"-X", "POST",
+			"http://" + rabbitMQAddress + ":15672/api/queues/%2f/" + queue + "/get",
+			"-d", "{\"count\":10,\"encoding\":\"auto\",\"truncate\":50000,\"ackmode\":\"ack_requeue_true\"}",
+		}
+
+		cmd := exec.Command("curl", args...)
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+
+		err := cmd.Run()
+		if err != nil {
+			logrus.Info(err)
+		}
+	}
+}