From 2b3bcd5c271f21e4bed53fd6e82280516720f21f Mon Sep 17 00:00:00 2001
From: Clint Shryock <clint@ctshryock.com>
Date: Mon, 2 Mar 2015 10:00:45 -0600
Subject: [PATCH] add simple test for expandInstanceString

---
 builtin/providers/aws/structure_test.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/builtin/providers/aws/structure_test.go b/builtin/providers/aws/structure_test.go
index 580fc9cdf..618ae0943 100644
--- a/builtin/providers/aws/structure_test.go
+++ b/builtin/providers/aws/structure_test.go
@@ -312,3 +312,22 @@ func Test_flattenParameters(t *testing.T) {
 		}
 	}
 }
+
+func Test_expandInstanceString(t *testing.T) {
+
+	expected := []elb.Instance{
+		elb.Instance{aws.String("test-one")},
+		elb.Instance{aws.String("test-two")},
+	}
+
+	ids := []interface{}{
+		"test-one",
+		"test-two",
+	}
+
+	expanded := expandInstanceString(ids)
+
+	if !reflect.DeepEqual(expanded, expected) {
+		t.Fatalf("Expand Instance String output did not match.\nGot:\n%#v\n\nexpected:\n%#v", expanded, expected)
+	}
+}