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yinxue
2025-08-25 15:46:12 +08:00
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models/migrations/base/db.go Normal file
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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"context"
"database/sql"
"errors"
"fmt"
"os"
"path"
"reflect"
"regexp"
"strings"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/unittest"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"xorm.io/xorm"
"xorm.io/xorm/schemas"
)
// RecreateTables will recreate the tables for the provided beans using the newly provided bean definition and move all data to that new table
// WARNING: YOU MUST PROVIDE THE FULL BEAN DEFINITION
func RecreateTables(beans ...any) func(*xorm.Engine) error {
return func(x *xorm.Engine) error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
sess = sess.StoreEngine("InnoDB")
for _, bean := range beans {
log.Info("Recreating Table: %s for Bean: %s", x.TableName(bean), reflect.Indirect(reflect.ValueOf(bean)).Type().Name())
if err := RecreateTable(sess, bean); err != nil {
return err
}
}
return sess.Commit()
}
}
// RecreateTable will recreate the table using the newly provided bean definition and move all data to that new table
// WARNING: YOU MUST PROVIDE THE FULL BEAN DEFINITION
// WARNING: YOU MUST COMMIT THE SESSION AT THE END
func RecreateTable(sess *xorm.Session, bean any) error {
// TODO: This will not work if there are foreign keys
tableName := sess.Engine().TableName(bean)
tempTableName := "tmp_recreate__" + tableName
// We need to move the old table away and create a new one with the correct columns
// We will need to do this in stages to prevent data loss
//
// First create the temporary table
if err := sess.Table(tempTableName).CreateTable(bean); err != nil {
log.Error("Unable to create table %s. Error: %v", tempTableName, err)
return err
}
if err := sess.Table(tempTableName).CreateUniques(bean); err != nil {
log.Error("Unable to create uniques for table %s. Error: %v", tempTableName, err)
return err
}
if err := sess.Table(tempTableName).CreateIndexes(bean); err != nil {
log.Error("Unable to create indexes for table %s. Error: %v", tempTableName, err)
return err
}
// Work out the column names from the bean - these are the columns to select from the old table and install into the new table
table, err := sess.Engine().TableInfo(bean)
if err != nil {
log.Error("Unable to get table info. Error: %v", err)
return err
}
newTableColumns := table.Columns()
if len(newTableColumns) == 0 {
return errors.New("no columns in new table")
}
hasID := false
for _, column := range newTableColumns {
hasID = hasID || (column.IsPrimaryKey && column.IsAutoIncrement)
}
if hasID && setting.Database.Type.IsMSSQL() {
if _, err := sess.Exec(fmt.Sprintf("SET IDENTITY_INSERT `%s` ON", tempTableName)); err != nil {
log.Error("Unable to set identity insert for table %s. Error: %v", tempTableName, err)
return err
}
}
sqlStringBuilder := &strings.Builder{}
_, _ = sqlStringBuilder.WriteString("INSERT INTO `")
_, _ = sqlStringBuilder.WriteString(tempTableName)
_, _ = sqlStringBuilder.WriteString("` (`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`")
for _, column := range newTableColumns[1:] {
_, _ = sqlStringBuilder.WriteString(", `")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`")
}
_, _ = sqlStringBuilder.WriteString(")")
_, _ = sqlStringBuilder.WriteString(" SELECT ")
if newTableColumns[0].Default != "" {
_, _ = sqlStringBuilder.WriteString("COALESCE(`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`, ")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Default)
_, _ = sqlStringBuilder.WriteString(")")
} else {
_, _ = sqlStringBuilder.WriteString("`")
_, _ = sqlStringBuilder.WriteString(newTableColumns[0].Name)
_, _ = sqlStringBuilder.WriteString("`")
}
for _, column := range newTableColumns[1:] {
if column.Default != "" {
_, _ = sqlStringBuilder.WriteString(", COALESCE(`")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`, ")
_, _ = sqlStringBuilder.WriteString(column.Default)
_, _ = sqlStringBuilder.WriteString(")")
} else {
_, _ = sqlStringBuilder.WriteString(", `")
_, _ = sqlStringBuilder.WriteString(column.Name)
_, _ = sqlStringBuilder.WriteString("`")
}
}
_, _ = sqlStringBuilder.WriteString(" FROM `")
_, _ = sqlStringBuilder.WriteString(tableName)
_, _ = sqlStringBuilder.WriteString("`")
if _, err := sess.Exec(sqlStringBuilder.String()); err != nil {
log.Error("Unable to set copy data in to temp table %s. Error: %v", tempTableName, err)
return err
}
if hasID && setting.Database.Type.IsMSSQL() {
if _, err := sess.Exec(fmt.Sprintf("SET IDENTITY_INSERT `%s` OFF", tempTableName)); err != nil {
log.Error("Unable to switch off identity insert for table %s. Error: %v", tempTableName, err)
return err
}
}
switch {
case setting.Database.Type.IsSQLite3():
// SQLite will drop all the constraints on the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
return err
}
if err := sess.Table(tempTableName).DropIndexes(bean); err != nil {
log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
return err
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
if err := sess.Table(tableName).CreateIndexes(bean); err != nil {
log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
return err
}
if err := sess.Table(tableName).CreateUniques(bean); err != nil {
log.Error("Unable to recreate uniques on table %s. Error: %v", tableName, err)
return err
}
case setting.Database.Type.IsMySQL():
// MySQL will drop all the constraints on the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
return err
}
if err := sess.Table(tempTableName).DropIndexes(bean); err != nil {
log.Error("Unable to drop indexes on temporary table %s. Error: %v", tempTableName, err)
return err
}
// SQLite and MySQL will move all the constraints from the temporary table to the new table
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
if err := sess.Table(tableName).CreateIndexes(bean); err != nil {
log.Error("Unable to recreate indexes on table %s. Error: %v", tableName, err)
return err
}
if err := sess.Table(tableName).CreateUniques(bean); err != nil {
log.Error("Unable to recreate uniques on table %s. Error: %v", tableName, err)
return err
}
case setting.Database.Type.IsPostgreSQL():
var originalSequences []string
type sequenceData struct {
LastValue int `xorm:"'last_value'"`
IsCalled bool `xorm:"'is_called'"`
}
sequenceMap := map[string]sequenceData{}
schema := sess.Engine().Dialect().URI().Schema
sess.Engine().SetSchema("")
if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE ? || '_%' AND sequence_catalog = ?", tableName, setting.Database.Name).Find(&originalSequences); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
sess.Engine().SetSchema(schema)
for _, sequence := range originalSequences {
sequenceData := sequenceData{}
if _, err := sess.Table(sequence).Cols("last_value", "is_called").Get(&sequenceData); err != nil {
log.Error("Unable to get last_value and is_called from %s. Error: %v", sequence, err)
return err
}
sequenceMap[sequence] = sequenceData
}
// CASCADE causes postgres to drop all the constraints on the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s` CASCADE", tableName)); err != nil {
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
return err
}
// CASCADE causes postgres to move all the constraints from the temporary table to the new table
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` RENAME TO `%s`", tempTableName, tableName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
var indices []string
sess.Engine().SetSchema("")
if err := sess.Table("pg_indexes").Cols("indexname").Where("tablename = ? ", tableName).Find(&indices); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
sess.Engine().SetSchema(schema)
for _, index := range indices {
newIndexName := strings.Replace(index, "tmp_recreate__", "", 1)
if _, err := sess.Exec(fmt.Sprintf("ALTER INDEX `%s` RENAME TO `%s`", index, newIndexName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", index, newIndexName, err)
return err
}
}
var sequences []string
sess.Engine().SetSchema("")
if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE 'tmp_recreate__' || ? || '_%' AND sequence_catalog = ?", tableName, setting.Database.Name).Find(&sequences); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
sess.Engine().SetSchema(schema)
for _, sequence := range sequences {
newSequenceName := strings.Replace(sequence, "tmp_recreate__", "", 1)
if _, err := sess.Exec(fmt.Sprintf("ALTER SEQUENCE `%s` RENAME TO `%s`", sequence, newSequenceName)); err != nil {
log.Error("Unable to rename %s sequence to %s. Error: %v", sequence, newSequenceName, err)
return err
}
val, ok := sequenceMap[newSequenceName]
if newSequenceName == tableName+"_id_seq" {
if ok && val.LastValue != 0 {
if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', %d, %t)", newSequenceName, val.LastValue, val.IsCalled)); err != nil {
log.Error("Unable to reset %s to %d. Error: %v", newSequenceName, val, err)
return err
}
} else {
// We're going to try to guess this
if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', COALESCE((SELECT MAX(id)+1 FROM `%s`), 1), false)", newSequenceName, tableName)); err != nil {
log.Error("Unable to reset %s. Error: %v", newSequenceName, err)
return err
}
}
} else if ok {
if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', %d, %t)", newSequenceName, val.LastValue, val.IsCalled)); err != nil {
log.Error("Unable to reset %s to %d. Error: %v", newSequenceName, val, err)
return err
}
}
}
case setting.Database.Type.IsMSSQL():
// MSSQL will drop all the constraints on the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
log.Error("Unable to drop old table %s. Error: %v", tableName, err)
return err
}
// MSSQL sp_rename will move all the constraints from the temporary table to the new table
if _, err := sess.Exec(fmt.Sprintf("sp_rename `%s`,`%s`", tempTableName, tableName)); err != nil {
log.Error("Unable to rename %s to %s. Error: %v", tempTableName, tableName, err)
return err
}
default:
log.Fatal("Unrecognized DB")
}
return nil
}
// WARNING: YOU MUST COMMIT THE SESSION AT THE END
func DropTableColumns(sess *xorm.Session, tableName string, columnNames ...string) (err error) {
if tableName == "" || len(columnNames) == 0 {
return nil
}
// TODO: This will not work if there are foreign keys
switch {
case setting.Database.Type.IsSQLite3():
// First drop the indexes on the columns
res, errIndex := sess.Query(fmt.Sprintf("PRAGMA index_list(`%s`)", tableName))
if errIndex != nil {
return errIndex
}
for _, row := range res {
indexName := row["name"]
indexRes, err := sess.Query(fmt.Sprintf("PRAGMA index_info(`%s`)", indexName))
if err != nil {
return err
}
if len(indexRes) != 1 {
continue
}
indexColumn := string(indexRes[0]["name"])
for _, name := range columnNames {
if name == indexColumn {
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s`", indexName))
if err != nil {
return err
}
}
}
}
// Here we need to get the columns from the original table
sql := fmt.Sprintf("SELECT sql FROM sqlite_master WHERE tbl_name='%s' and type='table'", tableName)
res, err := sess.Query(sql)
if err != nil {
return err
}
tableSQL := string(res[0]["sql"])
// Get the string offset for column definitions: `CREATE TABLE ( column-definitions... )`
columnDefinitionsIndex := strings.Index(tableSQL, "(")
if columnDefinitionsIndex < 0 {
return errors.New("couldn't find column definitions")
}
// Separate out the column definitions
tableSQL = tableSQL[columnDefinitionsIndex:]
// Remove the required columnNames
for _, name := range columnNames {
tableSQL = regexp.MustCompile(regexp.QuoteMeta("`"+name+"`")+"[^`,)]*?[,)]").ReplaceAllString(tableSQL, "")
}
// Ensure the query is ended properly
tableSQL = strings.TrimSpace(tableSQL)
if tableSQL[len(tableSQL)-1] != ')' {
if tableSQL[len(tableSQL)-1] == ',' {
tableSQL = tableSQL[:len(tableSQL)-1]
}
tableSQL += ")"
}
// Find all the columns in the table
columns := regexp.MustCompile("`([^`]*)`").FindAllString(tableSQL, -1)
tableSQL = fmt.Sprintf("CREATE TABLE `new_%s_new` ", tableName) + tableSQL
if _, err := sess.Exec(tableSQL); err != nil {
return err
}
// Now restore the data
columnsSeparated := strings.Join(columns, ",")
insertSQL := fmt.Sprintf("INSERT INTO `new_%s_new` (%s) SELECT %s FROM %s", tableName, columnsSeparated, columnsSeparated, tableName)
if _, err := sess.Exec(insertSQL); err != nil {
return err
}
// Now drop the old table
if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
return err
}
// Rename the table
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `new_%s_new` RENAME TO `%s`", tableName, tableName)); err != nil {
return err
}
case setting.Database.Type.IsPostgreSQL():
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "DROP COLUMN `" + col + "` CASCADE"
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
case setting.Database.Type.IsMySQL():
// Drop indexes on columns first
sql := fmt.Sprintf("SHOW INDEX FROM %s WHERE column_name IN ('%s')", tableName, strings.Join(columnNames, "','"))
res, err := sess.Query(sql)
if err != nil {
return err
}
for _, index := range res {
indexName := index["column_name"]
if len(indexName) > 0 {
_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s` ON `%s`", indexName, tableName))
if err != nil {
return err
}
}
}
// Now drop the columns
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "DROP COLUMN `" + col + "`"
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
case setting.Database.Type.IsMSSQL():
cols := ""
for _, col := range columnNames {
if cols != "" {
cols += ", "
}
cols += "`" + strings.ToLower(col) + "`"
}
sql := fmt.Sprintf("SELECT Name FROM sys.default_constraints WHERE parent_object_id = OBJECT_ID('%[1]s') AND parent_column_id IN (SELECT column_id FROM sys.columns WHERE LOWER(name) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
tableName, strings.ReplaceAll(cols, "`", "'"))
constraints := make([]string, 0)
if err := sess.SQL(sql).Find(&constraints); err != nil {
return fmt.Errorf("Find constraints: %v", err)
}
for _, constraint := range constraints {
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP CONSTRAINT `%s`", tableName, constraint)); err != nil {
return fmt.Errorf("Drop table `%s` default constraint `%s`: %v", tableName, constraint, err)
}
}
sql = fmt.Sprintf("SELECT DISTINCT Name FROM sys.indexes INNER JOIN sys.index_columns ON indexes.index_id = index_columns.index_id AND indexes.object_id = index_columns.object_id WHERE indexes.object_id = OBJECT_ID('%[1]s') AND index_columns.column_id IN (SELECT column_id FROM sys.columns WHERE LOWER(name) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
tableName, strings.ReplaceAll(cols, "`", "'"))
constraints = make([]string, 0)
if err := sess.SQL(sql).Find(&constraints); err != nil {
return fmt.Errorf("Find constraints: %v", err)
}
for _, constraint := range constraints {
if _, err := sess.Exec(fmt.Sprintf("DROP INDEX `%[2]s` ON `%[1]s`", tableName, constraint)); err != nil {
return fmt.Errorf("Drop index `%[2]s` on `%[1]s`: %v", tableName, constraint, err)
}
}
if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP COLUMN %s", tableName, cols)); err != nil {
return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
}
default:
log.Fatal("Unrecognized DB")
}
return nil
}
// ModifyColumn will modify column's type or other property. SQLITE is not supported
func ModifyColumn(x *xorm.Engine, tableName string, col *schemas.Column) error {
var indexes map[string]*schemas.Index
var err error
// MSSQL have to remove index at first, otherwise alter column will fail
// ref. https://sqlzealots.com/2018/05/09/error-message-the-index-is-dependent-on-column-alter-table-alter-column-failed-because-one-or-more-objects-access-this-column/
if x.Dialect().URI().DBType == schemas.MSSQL {
indexes, err = x.Dialect().GetIndexes(x.DB(), context.Background(), tableName)
if err != nil {
return err
}
for _, index := range indexes {
_, err = x.Exec(x.Dialect().DropIndexSQL(tableName, index))
if err != nil {
return err
}
}
}
defer func() {
for _, index := range indexes {
_, err = x.Exec(x.Dialect().CreateIndexSQL(tableName, index))
if err != nil {
log.Error("Create index %s on table %s failed: %v", index.Name, tableName, err)
}
}
}()
alterSQL := x.Dialect().ModifyColumnSQL(tableName, col)
if _, err := x.Exec(alterSQL); err != nil {
return err
}
return nil
}
func removeAllWithRetry(dir string) error {
var err error
for range 20 {
err = os.RemoveAll(dir)
if err == nil {
break
}
time.Sleep(100 * time.Millisecond)
}
return err
}
func newXORMEngine() (*xorm.Engine, error) {
if err := db.InitEngine(context.Background()); err != nil {
return nil, err
}
x := unittest.GetXORMEngine()
return x, nil
}
func deleteDB() error {
switch {
case setting.Database.Type.IsSQLite3():
if err := util.Remove(setting.Database.Path); err != nil {
return err
}
return os.MkdirAll(path.Dir(setting.Database.Path), os.ModePerm)
case setting.Database.Type.IsMySQL():
db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/",
setting.Database.User, setting.Database.Passwd, setting.Database.Host))
if err != nil {
return err
}
defer db.Close()
if _, err = db.Exec("DROP DATABASE IF EXISTS " + setting.Database.Name); err != nil {
return err
}
if _, err = db.Exec("CREATE DATABASE IF NOT EXISTS " + setting.Database.Name); err != nil {
return err
}
return nil
case setting.Database.Type.IsPostgreSQL():
db, err := sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/?sslmode=%s",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.SSLMode))
if err != nil {
return err
}
defer db.Close()
if _, err = db.Exec("DROP DATABASE IF EXISTS " + setting.Database.Name); err != nil {
return err
}
if _, err = db.Exec("CREATE DATABASE " + setting.Database.Name); err != nil {
return err
}
db.Close()
// Check if we need to setup a specific schema
if len(setting.Database.Schema) != 0 {
db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name, setting.Database.SSLMode))
if err != nil {
return err
}
defer db.Close()
schrows, err := db.Query(fmt.Sprintf("SELECT 1 FROM information_schema.schemata WHERE schema_name = '%s'", setting.Database.Schema))
if err != nil {
return err
}
defer schrows.Close()
if !schrows.Next() {
// Create and setup a DB schema
_, err = db.Exec("CREATE SCHEMA " + setting.Database.Schema)
if err != nil {
return err
}
}
// Make the user's default search path the created schema; this will affect new connections
_, err = db.Exec(fmt.Sprintf(`ALTER USER "%s" SET search_path = %s`, setting.Database.User, setting.Database.Schema))
if err != nil {
return err
}
return nil
}
case setting.Database.Type.IsMSSQL():
host, port := setting.ParseMSSQLHostPort(setting.Database.Host)
db, err := sql.Open("mssql", fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;",
host, port, "master", setting.Database.User, setting.Database.Passwd))
if err != nil {
return err
}
defer db.Close()
if _, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS [%s]", setting.Database.Name)); err != nil {
return err
}
if _, err = db.Exec(fmt.Sprintf("CREATE DATABASE [%s]", setting.Database.Name)); err != nil {
return err
}
}
return nil
}

97
models/migrations/base/db_test.go Normal file
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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"testing"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/xorm/names"
)
func Test_DropTableColumns(t *testing.T) {
x, deferable := PrepareTestEnv(t, 0)
if x == nil || t.Failed() {
defer deferable()
return
}
defer deferable()
type DropTest struct {
ID int64 `xorm:"pk autoincr"`
FirstColumn string
ToDropColumn string `xorm:"unique"`
AnotherColumn int64
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
}
columns := []string{
"first_column",
"to_drop_column",
"another_column",
"created_unix",
"updated_unix",
}
x.SetMapper(names.GonicMapper{})
for i := range columns {
if err := x.Sync(new(DropTest)); err != nil {
t.Errorf("unable to create DropTest table: %v", err)
return
}
sess := x.NewSession()
if err := sess.Begin(); err != nil {
sess.Close()
t.Errorf("unable to begin transaction: %v", err)
return
}
if err := DropTableColumns(sess, "drop_test", columns[i:]...); err != nil {
sess.Close()
t.Errorf("Unable to drop columns[%d:]: %s from drop_test: %v", i, columns[i:], err)
return
}
if err := sess.Commit(); err != nil {
sess.Close()
t.Errorf("unable to commit transaction: %v", err)
return
}
sess.Close()
if err := x.DropTables(new(DropTest)); err != nil {
t.Errorf("unable to drop table: %v", err)
return
}
for j := range columns[i+1:] {
if err := x.Sync(new(DropTest)); err != nil {
t.Errorf("unable to create DropTest table: %v", err)
return
}
dropcols := append([]string{columns[i]}, columns[j+i+1:]...)
sess := x.NewSession()
if err := sess.Begin(); err != nil {
sess.Close()
t.Errorf("unable to begin transaction: %v", err)
return
}
if err := DropTableColumns(sess, "drop_test", dropcols...); err != nil {
sess.Close()
t.Errorf("Unable to drop columns: %s from drop_test: %v", dropcols, err)
return
}
if err := sess.Commit(); err != nil {
sess.Close()
t.Errorf("unable to commit transaction: %v", err)
return
}
sess.Close()
if err := x.DropTables(new(DropTest)); err != nil {
t.Errorf("unable to drop table: %v", err)
return
}
}
}
}

16
models/migrations/base/hash.go Normal file
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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"crypto/sha256"
"encoding/hex"
"golang.org/x/crypto/pbkdf2"
)
func HashToken(token, salt string) string {
tempHash := pbkdf2.Key([]byte(token), []byte(salt), 10000, 50, sha256.New)
return hex.EncodeToString(tempHash)
}

12
models/migrations/base/main_test.go Normal file
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// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"testing"
)
func TestMain(m *testing.M) {
MainTest(m)
}

139
models/migrations/base/tests.go Normal file
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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"context"
"fmt"
"os"
"path/filepath"
"runtime"
"testing"
"code.gitea.io/gitea/models/unittest"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/tempdir"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/modules/testlogger"
"github.com/stretchr/testify/require"
"xorm.io/xorm"
)
// FIXME: this file shouldn't be in a normal package, it should only be compiled for tests
// PrepareTestEnv prepares the test environment and reset the database. The skip parameter should usually be 0.
// Provide models to be sync'd with the database - in particular any models you expect fixtures to be loaded from.
//
// fixtures in `models/migrations/fixtures/<TestName>` will be loaded automatically
func PrepareTestEnv(t *testing.T, skip int, syncModels ...any) (*xorm.Engine, func()) {
t.Helper()
ourSkip := 2
ourSkip += skip
deferFn := testlogger.PrintCurrentTest(t, ourSkip)
require.NoError(t, unittest.SyncDirs(filepath.Join(filepath.Dir(setting.AppPath), "tests/gitea-repositories-meta"), setting.RepoRootPath))
if err := deleteDB(); err != nil {
t.Fatalf("unable to reset database: %v", err)
return nil, deferFn
}
x, err := newXORMEngine()
require.NoError(t, err)
if x != nil {
oldDefer := deferFn
deferFn = func() {
oldDefer()
if err := x.Close(); err != nil {
t.Errorf("error during close: %v", err)
}
if err := deleteDB(); err != nil {
t.Errorf("unable to reset database: %v", err)
}
}
}
if err != nil {
return x, deferFn
}
if len(syncModels) > 0 {
if err := x.Sync(syncModels...); err != nil {
t.Errorf("error during sync: %v", err)
return x, deferFn
}
}
fixturesDir := filepath.Join(filepath.Dir(setting.AppPath), "models", "migrations", "fixtures", t.Name())
if _, err := os.Stat(fixturesDir); err == nil {
t.Logf("initializing fixtures from: %s", fixturesDir)
if err := unittest.InitFixtures(
unittest.FixturesOptions{
Dir: fixturesDir,
}, x); err != nil {
t.Errorf("error whilst initializing fixtures from %s: %v", fixturesDir, err)
return x, deferFn
}
if err := unittest.LoadFixtures(); err != nil {
t.Errorf("error whilst loading fixtures from %s: %v", fixturesDir, err)
return x, deferFn
}
} else if !os.IsNotExist(err) {
t.Errorf("unexpected error whilst checking for existence of fixtures: %v", err)
} else {
t.Logf("no fixtures found in: %s", fixturesDir)
}
return x, deferFn
}
func MainTest(m *testing.M) {
testlogger.Init()
giteaRoot := test.SetupGiteaRoot()
giteaBinary := "gitea"
if runtime.GOOS == "windows" {
giteaBinary += ".exe"
}
setting.AppPath = filepath.Join(giteaRoot, giteaBinary)
if _, err := os.Stat(setting.AppPath); err != nil {
testlogger.Fatalf("Could not find gitea binary at %s\n", setting.AppPath)
}
giteaConf := os.Getenv("GITEA_CONF")
if giteaConf == "" {
giteaConf = filepath.Join(filepath.Dir(setting.AppPath), "tests/sqlite.ini")
_, _ = fmt.Fprintf(os.Stderr, "Environment variable $GITEA_CONF not set - defaulting to %s\n", giteaConf)
}
if !filepath.IsAbs(giteaConf) {
setting.CustomConf = filepath.Join(giteaRoot, giteaConf)
} else {
setting.CustomConf = giteaConf
}
tmpDataPath, cleanup, err := tempdir.OsTempDir("gitea-test").MkdirTempRandom("data")
if err != nil {
testlogger.Fatalf("Unable to create temporary data path %v\n", err)
}
defer cleanup()
setting.CustomPath = filepath.Join(setting.AppWorkPath, "custom")
setting.AppDataPath = tmpDataPath
unittest.InitSettingsForTesting()
if err = git.InitFull(context.Background()); err != nil {
testlogger.Fatalf("Unable to InitFull: %v\n", err)
}
setting.LoadDBSetting()
setting.InitLoggersForTest()
exitStatus := m.Run()
if err := removeAllWithRetry(setting.RepoRootPath); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "os.RemoveAll: %v\n", err)
}
os.Exit(exitStatus)
}