You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: 570_test.go
    path of file: ./repos/clickhouse-go/tests/issues
    
    the code of the file until where you have to start completion: // Licensed to ClickHouse, Inc. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. ClickHouse, Inc. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may ob
    
func TestIssue570(t *testing.T) {
	env, err := GetIssuesTestEnvironment()
	require.NoError(t, err)
	useSSL, err := strconv.ParseBool(clickhouse_tests.GetEnv("CLICKHOUSE_USE_SSL", "false"))
	require.NoError(t, err)
	var tlsConfig *tls.Config
	dsn := fmt.Sprintf("clickhouse://%s:%s@%s:%d/default", env.Username, env.Password,
		env.Host, env.Port)
	port := env.Port
	if useSSL {
		tlsConfig = &tls.Config{}
		port = env.SslPort
		dsn = fmt.Sprintf("clickhouse://%s:%s@%s:%d/default?secure=true", env.Username, env.Password,
			env.Host, env.SslPort)
	}
	require.NoError(t, err)
	// using ParseDNS - defaults shouldn't be set for maxOpenConnections etc
	options, err := clickhouse.ParseDSN(dsn)
	assert.NoError(t, err)
	conn := clickhouse_std_tests.GetConnectionWithOptions(options)
	conn.SetMaxOpenConns(5)
	conn.SetMaxIdleConns(10)
	assert.NoError(t, conn.Ping())
	conn.Close()

	// check we can pass Options
	options = &clickhouse.Options{
		Addr: []string{fmt.Sprintf("%s:%d", env.Host, port)},
		Auth: clickhouse.Auth{
			Database: "default",
			Username: env.Username,
			Password: env.Password,
		},
		Compression: &clickhouse.Compression{
			Method: clickhouse.CompressionLZ4,
		},
		DialTimeout: time.Second,
		TLS:         tlsConfig,
	}
	conn = clickhouse_std_tests.GetConnectionWithOptions(options)
	assert.NoError(t, conn.Ping())

	// check we can open with a DSN
	conn, err = sql.Open("clickhouse", dsn)
	require.NoError(t, err)
	assert.NoError(t, conn.Ping())
}