add unit test

pkg/models/token_record_test.go

@@ -0,0 +1,30 @@
+package models
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestTokenInfoResponseSliceLess(t *testing.T) {
+	var tokenInfoRespSlice TokenInfoResponseSlice
+	tokenInfoRespSlice = append(tokenInfoRespSlice, &TokenInfoResponse{
+		TokenId:  "1",
+		LastSeen: int64(1),
+	})
+	tokenInfoRespSlice = append(tokenInfoRespSlice, &TokenInfoResponse{
+		TokenId:  "2",
+		LastSeen: int64(3),
+	})
+	tokenInfoRespSlice = append(tokenInfoRespSlice, &TokenInfoResponse{
+		TokenId:  "3",
+		LastSeen: int64(2),
+	})
+
+	sort.Sort(tokenInfoRespSlice)
+
+	assert.Equal(t, "2", tokenInfoRespSlice[0].TokenId)
+	assert.Equal(t, "3", tokenInfoRespSlice[1].TokenId)
+	assert.Equal(t, "1", tokenInfoRespSlice[2].TokenId)
+}