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mirror of https://github.com/go-gitea/gitea.git synced 2024-12-05 02:59:13 +01:00
gitea/models/migrations/migrations_test.go
Lunny Xiao 63c0dc89ef
Rename db Engines related functions (#17481)
* Rename db Engines related functions

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2021-10-30 22:32:11 +08:00

347 lines
9.5 KiB
Go

// Copyright 2021 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 migrations
import (
"database/sql"
"fmt"
"os"
"path"
"path/filepath"
"runtime"
"testing"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
"github.com/unknwon/com"
"xorm.io/xorm"
"xorm.io/xorm/names"
)
func TestMain(m *testing.M) {
giteaRoot := base.SetupGiteaRoot()
if giteaRoot == "" {
fmt.Println("Environment variable $GITEA_ROOT not set")
os.Exit(1)
}
giteaBinary := "gitea"
if runtime.GOOS == "windows" {
giteaBinary += ".exe"
}
setting.AppPath = path.Join(giteaRoot, giteaBinary)
if _, err := os.Stat(setting.AppPath); err != nil {
fmt.Printf("Could not find gitea binary at %s\n", setting.AppPath)
os.Exit(1)
}
giteaConf := os.Getenv("GITEA_CONF")
if giteaConf == "" {
giteaConf = path.Join(filepath.Dir(setting.AppPath), "integrations/sqlite.ini")
fmt.Printf("Environment variable $GITEA_CONF not set - defaulting to %s\n", giteaConf)
}
if !path.IsAbs(giteaConf) {
setting.CustomConf = path.Join(giteaRoot, giteaConf)
} else {
setting.CustomConf = giteaConf
}
setting.SetCustomPathAndConf("", "", "")
setting.NewContext()
git.CheckLFSVersion()
setting.InitDBConfig()
setting.NewLogServices(true)
exitStatus := m.Run()
if err := removeAllWithRetry(setting.RepoRootPath); err != nil {
fmt.Fprintf(os.Stderr, "os.RemoveAll: %v\n", err)
}
if err := removeAllWithRetry(setting.AppDataPath); err != nil {
fmt.Fprintf(os.Stderr, "os.RemoveAll: %v\n", err)
}
os.Exit(exitStatus)
}
func removeAllWithRetry(dir string) error {
var err error
for i := 0; i < 20; i++ {
err = os.RemoveAll(dir)
if err == nil {
break
}
time.Sleep(100 * time.Millisecond)
}
return err
}
// newEngine sets the xorm.Engine
func newEngine() (*xorm.Engine, error) {
x, err := db.NewEngine()
if err != nil {
return x, fmt.Errorf("Failed to connect to database: %v", err)
}
x.SetMapper(names.GonicMapper{})
// WARNING: for serv command, MUST remove the output to os.stdout,
// so use log file to instead print to stdout.
x.SetLogger(db.NewXORMLogger(setting.Database.LogSQL))
x.ShowSQL(setting.Database.LogSQL)
x.SetMaxOpenConns(setting.Database.MaxOpenConns)
x.SetMaxIdleConns(setting.Database.MaxIdleConns)
x.SetConnMaxLifetime(setting.Database.ConnMaxLifetime)
return x, nil
}
func deleteDB() error {
switch {
case setting.Database.UseSQLite3:
if err := util.Remove(setting.Database.Path); err != nil {
return err
}
return os.MkdirAll(path.Dir(setting.Database.Path), os.ModePerm)
case setting.Database.UseMySQL:
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(fmt.Sprintf("DROP DATABASE IF EXISTS %s", setting.Database.Name)); err != nil {
return err
}
if _, err = db.Exec(fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", setting.Database.Name)); err != nil {
return err
}
return nil
case setting.Database.UsePostgreSQL:
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(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
}
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(fmt.Sprintf("CREATE SCHEMA %s", 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.UseMSSQL:
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
}
// 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 ...interface{}) (*xorm.Engine, func()) {
t.Helper()
ourSkip := 2
ourSkip += skip
deferFn := PrintCurrentTest(t, ourSkip)
assert.NoError(t, os.RemoveAll(setting.RepoRootPath))
assert.NoError(t, com.CopyDir(path.Join(filepath.Dir(setting.AppPath), "integrations/gitea-repositories-meta"),
setting.RepoRootPath))
if err := deleteDB(); err != nil {
t.Errorf("unable to reset database: %v", err)
return nil, deferFn
}
x, err := newEngine()
assert.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.Sync2(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 := db.InitFixtures(
db.FixturesOptions{
Dir: fixturesDir,
}, x); err != nil {
t.Errorf("error whilst initializing fixtures from %s: %v", fixturesDir, err)
return x, deferFn
}
if err := db.LoadFixtures(x); 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 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",
}
for i := range columns {
x.SetMapper(names.GonicMapper{})
if err := x.Sync2(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:] {
x.SetMapper(names.GonicMapper{})
if err := x.Sync2(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
}
}
}
}