// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_14 //nolint
import (
"testing"
"code.gitea.io/gitea/models/migrations/base"
"code.gitea.io/gitea/modules/timeutil"
"github.com/stretchr/testify/assert"
)
func Test_DeleteOrphanedIssueLabels(t *testing.T) {
// Create the models used in the migration
type IssueLabel struct {
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"UNIQUE(s)"`
LabelID int64 `xorm:"UNIQUE(s)"`
}
type Label struct {
RepoID int64 `xorm:"INDEX"`
OrgID int64 `xorm:"INDEX"`
Name string
Description string
Color string `xorm:"VARCHAR(7)"`
NumIssues int
NumClosedIssues int
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
// Prepare and load the testing database
x, deferable := base.PrepareTestEnv(t, 0, new(IssueLabel), new(Label))
if x == nil || t.Failed() {
defer deferable()
return
var issueLabels []*IssueLabel
preMigration := map[int64]*IssueLabel{}
postMigration := map[int64]*IssueLabel{}
// Load issue labels that exist in the database pre-migration
if err := x.Find(&issueLabels); err != nil {
assert.NoError(t, err)
for _, issueLabel := range issueLabels {
preMigration[issueLabel.ID] = issueLabel
// Run the migration
if err := DeleteOrphanedIssueLabels(x); err != nil {
// Load the remaining issue-labels
issueLabels = issueLabels[:0]
postMigration[issueLabel.ID] = issueLabel
// Now test what is left
if _, ok := postMigration[2]; ok {
t.Errorf("Orphaned Label[2] survived the migration")
if _, ok := postMigration[5]; ok {
t.Errorf("Orphaned Label[5] survived the migration")
for id, post := range postMigration {
pre := preMigration[id]
assert.Equal(t, pre, post, "migration changed issueLabel %d", id)