provider/aws: Adding an acceptance test to for ForceNew on

ecs_task_definition volumes

builtin/providers/aws/resource_aws_ecs_task_definition_test.go

@@ -135,6 +135,41 @@ func TestAccAWSEcsTaskDefinition_constraint(t *testing.T) {
 	})
 }
 
+func TestAccAWSEcsTaskDefinition_changeVolumesForcesNewResource(t *testing.T) {
+	var before ecs.TaskDefinition
+	var after ecs.TaskDefinition
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAWSEcsTaskDefinitionDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSEcsTaskDefinition,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSEcsTaskDefinitionExists("aws_ecs_task_definition.jenkins", &before),
+				),
+			},
+			{
+				Config: testAccAWSEcsTaskDefinitionUpdatedVolume,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSEcsTaskDefinitionExists("aws_ecs_task_definition.jenkins", &after),
+					testAccCheckEcsTaskDefinitionRecreated(t, &before, &after),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckEcsTaskDefinitionRecreated(t *testing.T,
+	before, after *ecs.TaskDefinition) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		if *before.Revision == *after.Revision {
+			t.Fatalf("Expected change of TaskDefinition Revisions, but both were %v", before.Revision)
+		}
+		return nil
+	}
+}
+
 func testAccCheckAWSTaskDefinitionConstraintsAttrs(def *ecs.TaskDefinition) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		if len(def.PlacementConstraints) != 1 {
@@ -319,6 +354,55 @@ TASK_DEFINITION
 }
 `
 
+var testAccAWSEcsTaskDefinitionUpdatedVolume = `
+resource "aws_ecs_task_definition" "jenkins" {
+  family = "terraform-acc-test"
+  container_definitions = <<TASK_DEFINITION
+[
+	{
+		"cpu": 10,
+		"command": ["sleep", "10"],
+		"entryPoint": ["/"],
+		"environment": [
+			{"name": "VARNAME", "value": "VARVAL"}
+		],
+		"essential": true,
+		"image": "jenkins",
+		"links": ["mongodb"],
+		"memory": 128,
+		"name": "jenkins",
+		"portMappings": [
+			{
+				"containerPort": 80,
+				"hostPort": 8080
+			}
+		]
+	},
+	{
+		"cpu": 10,
+		"command": ["sleep", "10"],
+		"entryPoint": ["/"],
+		"essential": true,
+		"image": "mongodb",
+		"memory": 128,
+		"name": "mongodb",
+		"portMappings": [
+			{
+				"containerPort": 28017,
+				"hostPort": 28017
+			}
+		]
+	}
+]
+TASK_DEFINITION
+
+  volume {
+    name = "jenkins-home"
+    host_path = "/ecs/jenkins"
+  }
+}
+`
+
 var testAccAWSEcsTaskDefinitionWithScratchVolume = `
 resource "aws_ecs_task_definition" "sleep" {
   family = "terraform-acc-sc-volume-test"