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gitea/integrations/migration-test/migration_test.go

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Go

// 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 migrations
import (
"compress/gzip"
"database/sql"
"fmt"
"io/ioutil"
"log"
"os"
"path"
"regexp"
"sort"
"testing"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/migrations"
"code.gitea.io/gitea/modules/setting"
"github.com/go-xorm/xorm"
"github.com/stretchr/testify/assert"
)
var currentEngine *xorm.Engine
func initMigrationTest() {
giteaRoot := os.Getenv("GITEA_ROOT")
if giteaRoot == "" {
fmt.Println("Environment variable $GITEA_ROOT not set")
os.Exit(1)
}
setting.AppPath = path.Join(giteaRoot, "gitea")
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 == "" {
fmt.Println("Environment variable $GITEA_CONF not set")
os.Exit(1)
} else if !path.IsAbs(giteaConf) {
setting.CustomConf = path.Join(giteaRoot, giteaConf)
} else {
setting.CustomConf = giteaConf
}
setting.NewContext()
setting.CheckLFSVersion()
models.LoadConfigs()
}
func getDialect() string {
dialect := "sqlite"
switch {
case setting.UseSQLite3:
dialect = "sqlite"
case setting.UseMySQL:
dialect = "mysql"
case setting.UsePostgreSQL:
dialect = "pgsql"
case setting.UseMSSQL:
dialect = "mssql"
}
return dialect
}
func availableVersions() ([]string, error) {
migrationsDir, err := os.Open("integrations/migration-test")
if err != nil {
return nil, err
}
defer migrationsDir.Close()
versionRE, err := regexp.Compile("gitea-v(?P<version>.+)\\." + regexp.QuoteMeta(models.DbCfg.Type) + "\\.sql.gz")
if err != nil {
return nil, err
}
filenames, err := migrationsDir.Readdirnames(-1)
if err != nil {
return nil, err
}
versions := []string{}
for _, filename := range filenames {
if versionRE.MatchString(filename) {
substrings := versionRE.FindStringSubmatch(filename)
versions = append(versions, substrings[1])
}
}
sort.Strings(versions)
return versions, nil
}
func readSQLFromFile(version string) (string, error) {
filename := fmt.Sprintf("integrations/migration-test/gitea-v%s.%s.sql.gz", version, models.DbCfg.Type)
if _, err := os.Stat(filename); os.IsNotExist(err) {
return "", nil
}
file, err := os.Open(filename)
if err != nil {
return "", err
}
defer file.Close()
gr, err := gzip.NewReader(file)
if err != nil {
return "", err
}
defer gr.Close()
bytes, err := ioutil.ReadAll(gr)
if err != nil {
return "", err
}
return string(bytes), nil
}
func restoreOldDB(t *testing.T, version string) bool {
data, err := readSQLFromFile(version)
assert.NoError(t, err)
if len(data) == 0 {
log.Printf("No db found to restore for %s version: %s\n", models.DbCfg.Type, version)
return false
}
switch {
case setting.UseSQLite3:
os.Remove(models.DbCfg.Path)
err := os.MkdirAll(path.Dir(models.DbCfg.Path), os.ModePerm)
assert.NoError(t, err)
db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d", models.DbCfg.Path, models.DbCfg.Timeout))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.UseMySQL:
db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/",
models.DbCfg.User, models.DbCfg.Passwd, models.DbCfg.Host))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", models.DbCfg.Name))
assert.NoError(t, err)
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", models.DbCfg.Name))
assert.NoError(t, err)
db, err = sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/%s?multiStatements=true",
models.DbCfg.User, models.DbCfg.Passwd, models.DbCfg.Host, models.DbCfg.Name))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.UsePostgreSQL:
db, err := sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/?sslmode=%s",
models.DbCfg.User, models.DbCfg.Passwd, models.DbCfg.Host, models.DbCfg.SSLMode))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", models.DbCfg.Name))
assert.NoError(t, err)
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE %s", models.DbCfg.Name))
assert.NoError(t, err)
db.Close()
db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
models.DbCfg.User, models.DbCfg.Passwd, models.DbCfg.Host, models.DbCfg.Name, models.DbCfg.SSLMode))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.UseMSSQL:
host, port := models.ParseMSSQLHostPort(models.DbCfg.Host)
db, err := sql.Open("mssql", fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;",
host, port, "master", models.DbCfg.User, models.DbCfg.Passwd))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec("DROP DATABASE IF EXISTS gitea")
assert.NoError(t, err)
_, err = db.Exec("CREATE DATABASE gitea")
assert.NoError(t, err)
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
}
return true
}
func wrappedMigrate(x *xorm.Engine) error {
currentEngine = x
return migrations.Migrate(x)
}
func doMigrationTest(t *testing.T, version string) {
log.Printf("Performing migration test for %s version: %s", models.DbCfg.Type, version)
if !restoreOldDB(t, version) {
return
}
setting.NewXORMLogService(false)
err := models.SetEngine()
assert.NoError(t, err)
err = models.NewEngine(wrappedMigrate)
assert.NoError(t, err)
currentEngine.Close()
}
func TestMigrations(t *testing.T) {
initMigrationTest()
dialect := models.DbCfg.Type
versions, err := availableVersions()
assert.NoError(t, err)
if len(versions) == 0 {
log.Printf("No old database versions available to migration test for %s\n", dialect)
return
}
log.Printf("Preparing to test %d migrations for %s\n", len(versions), dialect)
for _, version := range versions {
doMigrationTest(t, version)
}
}