From 91ad87311340923da8180c11b86ed511bba98671 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 11 Jul 2014 11:20:18 -0700
Subject: [PATCH] helper/resource: improve logging and output for tests

---
 helper/resource/map.go     | 6 ++++++
 helper/resource/testing.go | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/helper/resource/map.go b/helper/resource/map.go
index 9ed671236..153bf56e4 100644
--- a/helper/resource/map.go
+++ b/helper/resource/map.go
@@ -62,6 +62,12 @@ func (m *Map) Apply(
 	if s.ID == "" {
 		result, err = r.Create(s, d, meta)
 	} else {
+		if r.Update == nil {
+			return s, fmt.Errorf(
+				"Resource type '%s' doesn't support update",
+				s.Type)
+		}
+
 		result, err = r.Update(s, d, meta)
 	}
 	if result != nil {
diff --git a/helper/resource/testing.go b/helper/resource/testing.go
index fc03d1cfb..be09e744d 100644
--- a/helper/resource/testing.go
+++ b/helper/resource/testing.go
@@ -202,9 +202,11 @@ func testStep(
 	}
 
 	// Plan!
-	if _, err := ctx.Plan(&terraform.PlanOpts{Destroy: step.Destroy}); err != nil {
+	if p, err := ctx.Plan(&terraform.PlanOpts{Destroy: step.Destroy}); err != nil {
 		return state, fmt.Errorf(
 			"Error planning: %s", err)
+	} else {
+		log.Printf("[WARN] Test: Step plan: %s", p)
 	}
 
 	// Apply!