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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package db_test

import (
	"os"
	"path/filepath"
	"testing"

	"code.gitea.io/gitea/models/db"
	issues_model "code.gitea.io/gitea/models/issues"
	"code.gitea.io/gitea/models/unittest"
	"code.gitea.io/gitea/modules/setting"

	"github.com/stretchr/testify/assert"
)

func TestDumpDatabase(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	dir, err := os.MkdirTemp(os.TempDir(), "dump")
	assert.NoError(t, err)

	type Version struct {
		ID      int64 `xorm:"pk autoincr"`
		Version int64
	}
	assert.NoError(t, db.GetEngine(db.DefaultContext).Sync2(new(Version)))

	for _, dbType := range setting.SupportedDatabaseTypes {
		assert.NoError(t, db.DumpDatabase(filepath.Join(dir, dbType+".sql"), dbType))
	}
}

func TestDeleteOrphanedObjects(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	countBefore, err := db.GetEngine(db.DefaultContext).Count(&issues_model.PullRequest{})
	assert.NoError(t, err)

	_, err = db.GetEngine(db.DefaultContext).Insert(&issues_model.PullRequest{IssueID: 1000}, &issues_model.PullRequest{IssueID: 1001}, &issues_model.PullRequest{IssueID: 1003})
	assert.NoError(t, err)

	orphaned, err := db.CountOrphanedObjects("pull_request", "issue", "pull_request.issue_id=issue.id")
	assert.NoError(t, err)
	assert.EqualValues(t, 3, orphaned)

	err = db.DeleteOrphanedObjects("pull_request", "issue", "pull_request.issue_id=issue.id")
	assert.NoError(t, err)

	countAfter, err := db.GetEngine(db.DefaultContext).Count(&issues_model.PullRequest{})
	assert.NoError(t, err)
	assert.EqualValues(t, countBefore, countAfter)
}