terraform: test happy path create-before-destroy

terraform/context_test.go

@@ -582,6 +582,58 @@ func TestContextApply(t *testing.T) {
 	}
 }
 
+func TestContextApply_createBeforeDestroy(t *testing.T) {
+	c := testConfig(t, "apply-good-create-before")
+	p := testProvider("aws")
+	p.ApplyFn = testApplyFn
+	p.DiffFn = testDiffFn
+	state := &State{
+		Modules: []*ModuleState{
+			&ModuleState{
+				Path: rootModulePath,
+				Resources: map[string]*ResourceState{
+					"aws_instance.bar": &ResourceState{
+						Type: "aws_instance",
+						Primary: &InstanceState{
+							ID: "bar",
+							Attributes: map[string]string{
+								"require_new": "abc",
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+	ctx := testContext(t, &ContextOpts{
+		Config: c,
+		Providers: map[string]ResourceProviderFactory{
+			"aws": testProviderFuncFixed(p),
+		},
+		State: state,
+	})
+
+	if _, err := ctx.Plan(nil); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	state, err := ctx.Apply()
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	mod := state.RootModule()
+	if len(mod.Resources) != 1 {
+		t.Fatalf("bad: %#v", mod.Resources)
+	}
+
+	actual := strings.TrimSpace(state.String())
+	expected := strings.TrimSpace(testTerraformApplyCreateBeforeStr)
+	if actual != expected {
+		t.Fatalf("bad: \n%s", actual)
+	}
+}
+
 func TestContextApply_Minimal(t *testing.T) {
 	m := testModule(t, "apply-minimal")
 	p := testProvider("aws")

terraform/terraform_test.go

@@ -150,6 +150,13 @@ aws_instance.foo:
   type = aws_instance
 `
 
+const testTerraformApplyCreateBeforeStr = `
+aws_instance.bar:
+  ID = foo
+  require_new = xyz
+  type = aws_instance
+`
+
 const testTerraformApplyCancelStr = `
 aws_instance.foo:
   ID = foo

terraform/test-fixtures/apply-good-create-before/main.tf

@@ -0,0 +1,6 @@
+resource "aws_instance" "bar" {
+    require_new = "xyz"
+    lifecycle {
+        create_before_destroy = true
+    }
+}