terraform: test case for destroying with a count [GH-527]

terraform/context_test.go

@@ -3229,6 +3229,48 @@ func TestContext2Apply_module(t *testing.T) {
 	}
 }
 
+func TestContext2Apply_moduleVarResourceCount(t *testing.T) {
+	m := testModule(t, "apply-module-var-resource-count")
+	p := testProvider("aws")
+	p.ApplyFn = testApplyFn
+	p.DiffFn = testDiffFn
+	ctx := testContext2(t, &ContextOpts{
+		Module: m,
+		Providers: map[string]ResourceProviderFactory{
+			"aws": testProviderFuncFixed(p),
+		},
+		Variables: map[string]string{
+			"count": "2",
+		},
+	})
+
+	if _, err := ctx.Plan(nil); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if _, err := ctx.Apply(); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	ctx = testContext2(t, &ContextOpts{
+		Module: m,
+		Providers: map[string]ResourceProviderFactory{
+			"aws": testProviderFuncFixed(p),
+		},
+		Variables: map[string]string{
+			"count": "5",
+		},
+	})
+
+	if _, err := ctx.Plan(&PlanOpts{Destroy: true}); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	if _, err := ctx.Apply(); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+}
+
 func TestContext2Apply_multiProvider(t *testing.T) {
 	m := testModule(t, "apply-multi-provider")
 	p := testProvider("aws")

terraform/test-fixtures/apply-module-var-resource-count/child/main.tf

@@ -0,0 +1,5 @@
+variable "count" {}
+
+resource "aws_instance" "foo" {
+  count = "${var.count}"
+}

terraform/test-fixtures/apply-module-var-resource-count/main.tf

@@ -0,0 +1,6 @@
+variable "count" {}
+
+module "child" {
+    source = "./child"
+    count = "${var.count}"
+}