From e0821942c17049483ffb1233096015e108916b50 Mon Sep 17 00:00:00 2001
From: biju-kalissery <biju.kalissery@sprile.com>
Date: Tue, 8 Sep 2015 14:13:18 -0400
Subject: [PATCH] error handling refinements ref:
 https://github.com/jinzhu/gorm/issues/647

---
 multi_primary_keys_test.go | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/multi_primary_keys_test.go b/multi_primary_keys_test.go
index 9ca68d13..5e5bf6eb 100644
--- a/multi_primary_keys_test.go
+++ b/multi_primary_keys_test.go
@@ -34,13 +34,24 @@ func TestManyToManyWithMultiPrimaryKeys(t *testing.T) {
 			},
 		}
 
-		DB.Save(&blog)
-		DB.Model(&blog).Association("Tags").Append([]Tag{{Locale: "ZH", Value: "tag3"}})
-
+		res := DB.Save(&blog)
+		if nil != res.Error {
+			t.Errorf("Error while saving blog:%v", res.Error)
+		}
+		res2 := DB.Model(&blog).Association("Tags").Append([]Tag{{Locale: "ZH", Value: "tag3"}})
+		if nil != res2.Error {
+			t.Errorf("Error while appending tag to blog:%v", res2.Error)
+		}
+		
 		var tags []Tag
-		DB.Model(&blog).Related(&tags, "Tags")
-		if len(tags) != 3 {
-			t.Errorf("should found 3 tags with blog")
+		res = DB.Model(&blog).Related(&tags, "Tags")
+		if nil != res.Error {
+			t.Errorf("Error while reading tags related to blog:%v", res.Error)
+		}
+		
+		tagsCount := len(tags)
+		if tagsCount != 3 {
+			t.Errorf("should found 3 tags with blog, found:%v", tagsCount)
 		}
 	}
 }