session_unit_test.go

//go:build all || unit
// +build all unit

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * Content before git sha 34fdeebefcbf183ed7f916f931aa0586fdaa1b40
 * Copyright (c) 2016, The Gocql authors,
 * provided under the BSD-3-Clause License.
 * See the NOTICE file distributed with this work for additional information.
 */

package gocql

import (
	"context"
	"testing"
)

func TestAsyncSessionInit(t *testing.T) {
	// Build a 3 node cluster to test host metric mapping
	var addresses = []string{
		"127.0.0.1",
		"127.0.0.2",
		"127.0.0.3",
	}
	// only build 1 of the servers so that we can test not connecting to the last
	// one
	srv := NewTestServerWithAddress(addresses[0]+":0", t, defaultProto, context.Background())
	defer srv.Stop()

	// just choose any port
	cluster := testCluster(defaultProto, srv.Address, addresses[1]+":9999", addresses[2]+":9999")
	cluster.PoolConfig.HostSelectionPolicy = SingleHostReadyPolicy(RoundRobinHostPolicy())
	db, err := cluster.CreateSession()
	if err != nil {
		t.Fatalf("NewCluster: %v", err)
	}
	defer db.Close()

	// make sure the session works
	if err := db.Query("void").Exec(); err != nil {
		t.Fatalf("unexpected error from void")
	}
}