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package gocql

import (
	"net"
	"reflect"
	"testing"
	"time"
)

func TestNewCluster_Defaults(t *testing.T) {
	cfg := NewCluster()
	assertEqual(t, "cluster config cql version", "3.0.0", cfg.CQLVersion)
	assertEqual(t, "cluster config timeout", 600*time.Millisecond, cfg.Timeout)
	assertEqual(t, "cluster config port", 9042, cfg.Port)
	assertEqual(t, "cluster config num-conns", 2, cfg.NumConns)
	assertEqual(t, "cluster config consistency", Quorum, cfg.Consistency)
	assertEqual(t, "cluster config max prepared statements", defaultMaxPreparedStmts, cfg.MaxPreparedStmts)
	assertEqual(t, "cluster config max routing key info", 1000, cfg.MaxRoutingKeyInfo)
	assertEqual(t, "cluster config page-size", 5000, cfg.PageSize)
	assertEqual(t, "cluster config default timestamp", true, cfg.DefaultTimestamp)
	assertEqual(t, "cluster config max wait schema agreement", 60*time.Second, cfg.MaxWaitSchemaAgreement)
	assertEqual(t, "cluster config reconnect interval", 60*time.Second, cfg.ReconnectInterval)
	assertTrue(t, "cluster config conviction policy",
		reflect.DeepEqual(&SimpleConvictionPolicy{}, cfg.ConvictionPolicy))
	assertTrue(t, "cluster config reconnection policy",
		reflect.DeepEqual(&ConstantReconnectionPolicy{MaxRetries: 3, Interval: 1 * time.Second}, cfg.ReconnectionPolicy))
}

func TestNewCluster_WithHosts(t *testing.T) {
	cfg := NewCluster("addr1", "addr2")
	assertEqual(t, "cluster config hosts length", 2, len(cfg.Hosts))
	assertEqual(t, "cluster config host 0", "addr1", cfg.Hosts[0])
	assertEqual(t, "cluster config host 1", "addr2", cfg.Hosts[1])
}

func TestClusterConfig_translateAddressAndPort_NilTranslator(t *testing.T) {
	cfg := NewCluster()
	assertNil(t, "cluster config address translator", cfg.AddressTranslator)
	newAddr, newPort := cfg.translateAddressPort(net.ParseIP("10.0.0.1"), 1234)
	assertTrue(t, "same address as provided", net.ParseIP("10.0.0.1").Equal(newAddr))
	assertEqual(t, "translated host and port", 1234, newPort)
}

func TestClusterConfig_translateAddressAndPort_EmptyAddr(t *testing.T) {
	cfg := NewCluster()
	cfg.AddressTranslator = staticAddressTranslator(net.ParseIP("10.10.10.10"), 5432)
	newAddr, newPort := cfg.translateAddressPort(net.IP([]byte{}), 0)
	assertTrue(t, "translated address is still empty", len(newAddr) == 0)
	assertEqual(t, "translated port", 0, newPort)
}

func TestClusterConfig_translateAddressAndPort_Success(t *testing.T) {
	cfg := NewCluster()
	cfg.AddressTranslator = staticAddressTranslator(net.ParseIP("10.10.10.10"), 5432)
	newAddr, newPort := cfg.translateAddressPort(net.ParseIP("10.0.0.1"), 2345)
	assertTrue(t, "translated address", net.ParseIP("10.10.10.10").Equal(newAddr))
	assertEqual(t, "translated port", 5432, newPort)
}