describe('enableDeploymentAlarms', () => {
    test('enableDeploymentAlarms will concat alarms in the deployment configuration when called more than once', () => {
      // GIVEN
      const vpc = new ec2.Vpc(stack, 'Vpc');
      const cluster = new ecs.Cluster(stack, 'EcsCluster', { vpc });
      const taskDefinition = new ecs.FargateTaskDefinition(stack, 'FargateTaskDef');
      taskDefinition.addContainer('web', {
        image: ecs.ContainerImage.fromRegistry('amazon/amazon-ecs-sample'),
      });

      const expectedAlarmNames = ['alarm1', 'alarm2', 'alarm3'];

      // WHEN
      const service = new ecs.FargateService(stack, 'FargateService', {
        cluster,
        taskDefinition,
        minHealthyPercent: 100,
        maxHealthyPercent: 200,
        deploymentAlarms: { alarmNames: ['alarm1'] },
      });

      service.enableDeploymentAlarms(['alarm2']);
      service.enableDeploymentAlarms(['alarm3']);

      // THEN
      Template.fromStack(stack).hasResourceProperties('AWS::ECS::Service', {
        DeploymentConfiguration: {
          Alarms: {
            AlarmNames: expectedAlarmNames,
            Enable: true,
            Rollback: true,
          },
        },
      });
    });
  });
});