ipfs-ethdb/postgres/test_helpers.go
2020-09-14 10:15:39 -05:00

68 lines
2.0 KiB
Go

// VulcanizeDB
// Copyright © 2020 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package pgipfsethdb
import (
"github.com/jmoiron/sqlx"
)
// TestDB connect to the testing database
// it assumes the database has the IPFS public.blocks table present
// DO NOT use a production db for the test db, as it will remove all contents of the public.blocks table
func TestDB() (*sqlx.DB, error) {
connectStr := "postgresql://localhost:5432/vulcanize_testing?sslmode=disable"
return sqlx.Connect("postgres", connectStr)
}
// ResetTestDB drops all rows in the test db public.blocks table
func ResetTestDB(db *sqlx.DB) error {
tx, err := db.Beginx()
if err != nil {
return err
}
defer func() {
if p := recover(); p != nil {
tx.Rollback()
panic(p)
} else if err != nil {
tx.Rollback()
} else {
err = tx.Commit()
}
}()
if _, err := tx.Exec("TRUNCATE public.blocks CASCADE"); err != nil {
return err
}
if _, err := tx.Exec("TRUNCATE eth.key_preimages CASCADE"); err != nil {
return err
}
if _, err := tx.Exec("TRUNCATE eth.ancient_headers CASCADE"); err != nil {
return err
}
if _, err := tx.Exec("TRUNCATE eth.ancient_hashes CASCADE"); err != nil {
return err
}
if _, err := tx.Exec("TRUNCATE eth.ancient_bodies CASCADE"); err != nil {
return err
}
if _, err := tx.Exec("TRUNCATE eth.ancient_receipts CASCADE"); err != nil {
return err
}
_, err = tx.Exec("TRUNCATE eth.ancient_tds CASCADE")
return err
}