added test for claim valid method

model/user_info_test.go

@@ -0,0 +1,13 @@
+package model
+
+import (
+	. "github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func Test_UserInfo_Valid(t *testing.T) {
+	Error(t, UserInfo{Expiry: 0}.Valid())
+	Error(t, UserInfo{Expiry: time.Now().Add(-1 * time.Second).Unix()}.Valid())
+	NoError(t, UserInfo{Expiry: time.Now().Add(time.Second).Unix()}.Valid())
+}