status-go/t/helpers/db.go

73 lines
1.5 KiB
Go

package helpers
import (
"database/sql"
"io/ioutil"
"os"
"github.com/status-im/status-go/common/dbsetup"
)
const kdfIterationsNumberForTests = 1
// SetupTestSQLDB creates a temporary sqlite database file, initialises and then returns with a teardown func
func SetupTestSQLDB(dbInit dbsetup.DatabaseInitializer, prefix string) (*sql.DB, func() error, error) {
tmpfile, err := ioutil.TempFile("", prefix)
if err != nil {
return nil, nil, err
}
db, err := dbInit.Initialize(tmpfile.Name(), "password", kdfIterationsNumberForTests)
if err != nil {
return nil, nil, err
}
return db, func() error {
err := db.Close()
if err != nil {
return err
}
return os.Remove(tmpfile.Name())
}, nil
}
func SetupTestMemorySQLDB(dbInit dbsetup.DatabaseInitializer) (*sql.DB, error) {
db, err := dbInit.Initialize(dbsetup.InMemoryPath, "password", kdfIterationsNumberForTests)
if err != nil {
return nil, err
}
return db, nil
}
func ColumnExists(db *sql.DB, tableName string, columnName string) (bool, error) {
rows, err := db.Query("PRAGMA table_info(" + tableName + ")")
if err != nil {
return false, err
}
defer rows.Close()
var cid int
var name string
var dataType string
var notNull bool
var dFLTValue sql.NullString
var pk int
for rows.Next() {
err := rows.Scan(&cid, &name, &dataType, &notNull, &dFLTValue, &pk)
if err != nil {
return false, err
}
if name == columnName {
return true, nil
}
}
if rows.Err() != nil {
return false, rows.Err()
}
return false, nil
}