pgx/helper_test.go

77 lines
1.7 KiB
Go

package pgx_test
import (
"context"
"testing"
"github.com/jackc/pgconn"
"github.com/jackc/pgx/v4"
"github.com/stretchr/testify/require"
)
func mustConnectString(t testing.TB, connString string) *pgx.Conn {
conn, err := pgx.Connect(context.Background(), connString)
if err != nil {
t.Fatalf("Unable to establish connection: %v", err)
}
return conn
}
func mustParseConfig(t testing.TB, connString string) *pgx.ConnConfig {
config, err := pgx.ParseConfig(connString)
require.Nil(t, err)
return config
}
func mustConnect(t testing.TB, config *pgx.ConnConfig) *pgx.Conn {
conn, err := pgx.ConnectConfig(context.Background(), config)
if err != nil {
t.Fatalf("Unable to establish connection: %v", err)
}
return conn
}
func closeConn(t testing.TB, conn *pgx.Conn) {
err := conn.Close(context.Background())
if err != nil {
t.Fatalf("conn.Close unexpectedly failed: %v", err)
}
}
func mustExec(t testing.TB, conn *pgx.Conn, sql string, arguments ...interface{}) (commandTag pgconn.CommandTag) {
var err error
if commandTag, err = conn.Exec(context.Background(), sql, arguments...); err != nil {
t.Fatalf("Exec unexpectedly failed with %v: %v", sql, err)
}
return
}
// Do a simple query to ensure the connection is still usable
func ensureConnValid(t *testing.T, conn *pgx.Conn) {
var sum, rowCount int32
rows, err := conn.Query(context.Background(), "select generate_series(1,$1)", 10)
if err != nil {
t.Fatalf("conn.Query failed: %v", err)
}
defer rows.Close()
for rows.Next() {
var n int32
rows.Scan(&n)
sum += n
rowCount++
}
if rows.Err() != nil {
t.Fatalf("conn.Query failed: %v", err)
}
if rowCount != 10 {
t.Error("Select called onDataRow wrong number of times")
}
if sum != 55 {
t.Error("Wrong values returned")
}
}