Use the root package for shared errors #minor

* Use the root package for shared errors

* add back mock

* remove merge derp

* remove merge derp

dynamodb/client.go

@@ -3,6 +3,7 @@ package dynamodb
 import (
 	"fmt"
 
+	"github.com/ace-teknologi/memzy"
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/dynamodb"
@@ -46,7 +47,7 @@ func (c *Client) GetItem(v interface{}, key map[string]interface{}) error {
 	}
 
 	if out.Item == nil {
-		return ErrNotFound
+		return memzy.ErrNotFound
 	}
 
 	err = dynamodbattribute.UnmarshalMap(out.Item, v)

dynamodb/client_test.go

@@ -103,7 +103,7 @@ func TestGetMissingItem(t *testing.T) {
 	obj := &MegaTest{}
 
 	err := c.GetItem(obj, map[string]interface{}{"MegaString": "missing"})
-	if err == nil || err != ErrNotFound {
+	if err == nil || err != memzy.ErrNotFound {
 		t.Errorf("Expected ErrNotFound, got %v", err)
 	}
 }

errors.go

@@ -0,0 +1,7 @@
+package memzy
+
+
+import "fmt"
+
+// ErrNotFound is returned if you try to get an item that doesn't exist
+var ErrNotFound = fmt.Errorf("Item not found")

memory/store.go

@@ -3,6 +3,8 @@ package memory
 import (
 	"encoding/json"
 	"fmt"
+
+	"github.com/ace-teknologi/memzy"
 )
 
 // Store provides a key-value store in memory.
@@ -42,7 +44,7 @@ func (s *Store) GetItem(v interface{}, key map[string]interface{}) error {
 	}
 
 	if len(bytes) == 0 {
-		return fmt.Errorf("Could not find %v in memory", keyStr)
+		return memzy.ErrNotFound
 	}
 
 	return json.Unmarshal(bytes, v)