From 6bad4e3dc03bbf43a31977c1c33f7e94e5882813 Mon Sep 17 00:00:00 2001
From: James Bardin <j.bardin@gmail.com>
Date: Wed, 18 Dec 2019 15:37:08 -0500
Subject: [PATCH] add an interp that fails during planned destroy

Chain some values so that we can get an interpolation that fails if a
module input is evaluated during destroy.
---
 terraform/context_apply_test.go                     |  1 -
 .../plan-destroy-interpolated-count/main.tf         | 13 +++++++++++--
 .../plan-destroy-interpolated-count/mod/main.tf     |  2 ++
 3 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 terraform/testdata/plan-destroy-interpolated-count/mod/main.tf

diff --git a/terraform/context_apply_test.go b/terraform/context_apply_test.go
index 1de9e380b..f344a42b0 100644
--- a/terraform/context_apply_test.go
+++ b/terraform/context_apply_test.go
@@ -10521,7 +10521,6 @@ func TestContext2Apply_plannedDestroyInterpolatedCount(t *testing.T) {
 	}
 
 	ctxOpts.ProviderResolver = providerResolver
-	ctxOpts.Destroy = true
 	ctx, diags = NewContext(ctxOpts)
 	if diags.HasErrors() {
 		t.Fatalf("err: %s", diags.Err())
diff --git a/terraform/testdata/plan-destroy-interpolated-count/main.tf b/terraform/testdata/plan-destroy-interpolated-count/main.tf
index b4ef77aba..ac0dadbf8 100644
--- a/terraform/testdata/plan-destroy-interpolated-count/main.tf
+++ b/terraform/testdata/plan-destroy-interpolated-count/main.tf
@@ -3,9 +3,18 @@ variable "list" {
 }
 
 resource "aws_instance" "a" {
-  count = "${length(var.list)}"
+  count = length(var.list)
+}
+
+locals {
+  ids = aws_instance.a[*].id
+}
+
+module "empty" {
+  source = "./mod"
+  input = zipmap(var.list, local.ids)
 }
 
 output "out" {
-  value = "${aws_instance.a.*.id}"
+  value = aws_instance.a[*].id
 }
diff --git a/terraform/testdata/plan-destroy-interpolated-count/mod/main.tf b/terraform/testdata/plan-destroy-interpolated-count/mod/main.tf
new file mode 100644
index 000000000..682e0f0db
--- /dev/null
+++ b/terraform/testdata/plan-destroy-interpolated-count/mod/main.tf
@@ -0,0 +1,2 @@
+variable "input" {
+}