Add benchmark to pgconn

benchmark_test.go

@@ -0,0 +1,52 @@
+package pgconn_test
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/jackc/pgx/pgconn"
+	"github.com/stretchr/testify/require"
+)
+
+func BenchmarkConnect(b *testing.B) {
+	benchmarks := []struct {
+		name string
+		env  string
+	}{
+		{"Unix socket", "PGX_TEST_UNIX_SOCKET_CONN_STRING"},
+		{"TCP", "PGX_TEST_TCP_CONN_STRING"},
+	}
+
+	for _, bm := range benchmarks {
+		b.Run(bm.name, func(b *testing.B) {
+			connString := os.Getenv(bm.env)
+			if connString == "" {
+				b.Skipf("Skipping due to missing environment variable %v", bm.env)
+			}
+
+			for i := 0; i < b.N; i++ {
+				conn, err := pgconn.Connect(context.Background(), connString)
+				require.Nil(b, err)
+
+				err = conn.Close(context.Background())
+				require.Nil(b, err)
+			}
+		})
+	}
+}
+
+func BenchmarkExecPrepared(b *testing.B) {
+	conn, err := pgconn.Connect(context.Background(), os.Getenv("PGX_TEST_DATABASE"))
+	require.Nil(b, err)
+	defer closeConn(b, conn)
+
+	err = conn.Prepare(context.Background(), "ps1", "select 'hello'::text as a, 42::int4 as b, '2019-01-01'::date", nil)
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		_, err := conn.ExecPrepared(context.Background(), "ps1", nil, nil, nil)
+		require.Nil(b, err)
+	}
+}