From 9573d1bfec50d7bf802d49ad2c1535bbf0f924f7 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 9 Sep 2014 17:41:05 -0700
Subject: [PATCH] terraform: test to make sure nil in RawConfig is okay

---
 terraform/resource_test.go | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/terraform/resource_test.go b/terraform/resource_test.go
index 69886ccb5b..b2edff5c12 100644
--- a/terraform/resource_test.go
+++ b/terraform/resource_test.go
@@ -39,6 +39,12 @@ func TestResourceConfigGet(t *testing.T) {
 		Key    string
 		Value  interface{}
 	}{
+		{
+			Config: nil,
+			Key:   "foo",
+			Value: nil,
+		},
+
 		{
 			Config: map[string]interface{}{
 				"foo": "${var.foo}",
@@ -74,12 +80,16 @@ func TestResourceConfigGet(t *testing.T) {
 	}
 
 	for i, tc := range cases {
-		rawC, err := config.NewRawConfig(tc.Config)
-		if err != nil {
-			t.Fatalf("err: %s", err)
+		var rawC *config.RawConfig
+		if tc.Config != nil {
+			var err error
+			rawC, err = config.NewRawConfig(tc.Config)
+			if err != nil {
+				t.Fatalf("err: %s", err)
+			}
 		}
-		rc := NewResourceConfig(rawC)
 
+		rc := NewResourceConfig(rawC)
 		if tc.Vars != nil {
 			ctx := NewContext(&ContextOpts{Variables: tc.Vars})
 			if err := rc.interpolate(ctx); err != nil {