122 lines
3.7 KiB
Go
122 lines
3.7 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 postgres_test
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"math/big"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/jackc/pgx/v4/pgxpool"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
|
|
"github.com/ethereum/go-ethereum/statediff/indexer/node"
|
|
)
|
|
|
|
var (
|
|
pgConfig, _ = postgres.MakeConfig(postgres.TestConfig)
|
|
ctx = context.Background()
|
|
)
|
|
|
|
func expectContainsSubstring(t *testing.T, full string, sub string) {
|
|
if !strings.Contains(full, sub) {
|
|
t.Fatalf("Expected \"%v\" to contain substring \"%v\"\n", full, sub)
|
|
}
|
|
}
|
|
|
|
func TestPostgresPGX(t *testing.T) {
|
|
t.Run("connects to the sql", func(t *testing.T) {
|
|
dbPool, err := pgxpool.ConnectConfig(context.Background(), pgConfig)
|
|
if err != nil {
|
|
t.Fatalf("failed to connect to db with connection string: %s err: %v", pgConfig.ConnString(), err)
|
|
}
|
|
if dbPool == nil {
|
|
t.Fatal("DB pool is nil")
|
|
}
|
|
dbPool.Close()
|
|
})
|
|
|
|
t.Run("serializes big.Int to db", func(t *testing.T) {
|
|
// postgres driver doesn't support go big.Int type
|
|
// various casts in golang uint64, int64, overflow for
|
|
// transaction value (in wei) even though
|
|
// postgres numeric can handle an arbitrary
|
|
// sized int, so use string representation of big.Int
|
|
// and cast on insert
|
|
|
|
dbPool, err := pgxpool.ConnectConfig(context.Background(), pgConfig)
|
|
if err != nil {
|
|
t.Fatalf("failed to connect to db with connection string: %s err: %v", pgConfig.ConnString(), err)
|
|
}
|
|
defer dbPool.Close()
|
|
|
|
bi := new(big.Int)
|
|
bi.SetString("34940183920000000000", 10)
|
|
require.Equal(t, "34940183920000000000", bi.String())
|
|
|
|
defer dbPool.Exec(ctx, `DROP TABLE IF EXISTS example`)
|
|
_, err = dbPool.Exec(ctx, "CREATE TABLE example ( id INTEGER, data NUMERIC )")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
sqlStatement := `
|
|
INSERT INTO example (id, data)
|
|
VALUES (1, cast($1 AS NUMERIC))`
|
|
_, err = dbPool.Exec(ctx, sqlStatement, bi.String())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var data string
|
|
err = dbPool.QueryRow(ctx, `SELECT cast(data AS TEXT) FROM example WHERE id = 1`).Scan(&data)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
require.Equal(t, data, bi.String())
|
|
actual := new(big.Int)
|
|
actual.SetString(data, 10)
|
|
require.Equal(t, bi, actual)
|
|
})
|
|
|
|
t.Run("throws error when can't connect to the database", func(t *testing.T) {
|
|
goodInfo := node.Info{GenesisBlock: "GENESIS", NetworkID: "1", ID: "x123", ClientName: "geth"}
|
|
_, err := postgres.NewPGXDriver(ctx, postgres.Config{}, goodInfo)
|
|
if err == nil {
|
|
t.Fatal("Expected an error")
|
|
}
|
|
|
|
expectContainsSubstring(t, err.Error(), postgres.DbConnectionFailedMsg)
|
|
})
|
|
|
|
t.Run("throws error when can't create node", func(t *testing.T) {
|
|
badHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
|
|
badInfo := node.Info{GenesisBlock: badHash, NetworkID: "1", ID: "x123", ClientName: "geth"}
|
|
|
|
_, err := postgres.NewPGXDriver(ctx, postgres.TestConfig, badInfo)
|
|
if err == nil {
|
|
t.Fatal("Expected an error")
|
|
}
|
|
|
|
expectContainsSubstring(t, err.Error(), postgres.SettingNodeFailedMsg)
|
|
})
|
|
}
|