session_unit_test.go

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

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")
	}
}