plugeth-statediff/indexer/test_helpers/test_helpers.go

83 lines
1.9 KiB
Go

// VulcanizeDB
// Copyright © 2019 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 test_helpers
import (
"bufio"
"context"
"fmt"
"os"
"testing"
"github.com/cerc-io/plugeth-statediff/indexer/database/sql"
"github.com/cerc-io/plugeth-statediff/indexer/shared/schema"
)
// DedupFile removes duplicates from the given file
func DedupFile(filePath string) error {
f, err := os.OpenFile(filePath, os.O_CREATE|os.O_RDONLY, os.ModePerm)
if err != nil {
return err
}
stmts := make(map[string]struct{}, 0)
sc := bufio.NewScanner(f)
for sc.Scan() {
s := sc.Text()
stmts[s] = struct{}{}
}
f.Close()
f, err = os.Create(filePath)
if err != nil {
return err
}
defer f.Close()
for stmt := range stmts {
f.Write([]byte(stmt + "\n"))
}
return nil
}
// TearDownDB is used to tear down the watcher dbs after tests
func TearDownDB(t *testing.T, db sql.Database) {
err := ClearDB(db)
if err != nil {
t.Fatal(err)
}
}
func ClearDB(db sql.Database) error {
ctx := context.Background()
tx, err := db.Begin(ctx)
if err != nil {
return err
}
for _, tbl := range schema.AllTables {
stm := fmt.Sprintf("TRUNCATE %s", tbl.Name)
if _, err = tx.Exec(ctx, stm); err != nil {
return fmt.Errorf("error executing `%s`: %w", stm, err)
}
}
return tx.Commit(ctx)
}