github.com/braveheart12/insolar-09-08-19@v0.8.7/network/transport/relay/relay_test.go

/*
 * The Clear BSD License
 *
 * Copyright (c) 2019 Insolar Technologies
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted (subject to the limitations in the disclaimer below) provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *  Neither the name of Insolar Technologies nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

package relay

import (
	"strconv"
	"testing"

	"github.com/insolar/insolar/network/transport/host"
	"github.com/insolar/insolar/testutils"
	"github.com/stretchr/testify/require"
)

func TestRelay_ClientsCount(t *testing.T) {
	relay := NewRelay()
	count := 20

	hosts := makeHosts(count, t)

	for i := range hosts {
		relay.AddClient(hosts[i])
	}

	require.Equal(t, count, relay.ClientsCount())
}

func TestNewProxy(t *testing.T) {
	proxy := NewProxy()
	require.NotNil(t, proxy)
}

func TestNewRelay(t *testing.T) {
	relay := NewRelay()
	require.NotNil(t, relay)
}

func makeAddresses(count int, t *testing.T) []*host.Address {
	ip := "127.0.0.1:"
	addresses := make([]*host.Address, 0)

	for i := 0; i < count; i++ {
		address, err := host.NewAddress(ip + strconv.Itoa(i+20000))
		if err != nil {
			require.Errorf(t, nil, "error: %s", err.Error())
			continue
		}
		addresses = append(addresses, address)
	}

	return addresses
}

func makeHosts(count int, t *testing.T) []*host.Host {
	result := make([]*host.Host, 0)
	addresses := makeAddresses(count, t)

	for i := 0; i < count; i++ {
		id := testutils.RandomRef()
		result = append(result, &host.Host{NodeID: id, Address: addresses[i]})
	}

	return result
}

func TestRelay_AddClient(t *testing.T) {
	relay := NewRelay()
	count := 20

	hosts := makeHosts(count, t)

	for i := range hosts {
		err := relay.AddClient(hosts[i])
		require.NoError(t, err)
		err = relay.AddClient(hosts[i]) // adding existing host
		require.EqualError(t, err, "client exists already")
	}

	require.Equal(t, count, relay.ClientsCount())
}

func TestRelay_RemoveClient(t *testing.T) {
	relay := NewRelay()
	count := 20

	hosts := makeHosts(count, t)

	for i := range hosts {
		err := relay.AddClient(hosts[i])
		if err != nil {
			require.Errorf(t, nil, "error: %s", err.Error())
		}
	}
	require.Equal(t, count, relay.ClientsCount())

	for i := range hosts {
		err := relay.RemoveClient(hosts[i])
		require.NoError(t, err)
		err = relay.RemoveClient(hosts[i])
		require.EqualError(t, err, "client not found")
	}

	require.Equal(t, 0, relay.ClientsCount())
}

func TestRelay_NeedToRelay(t *testing.T) {
	relay := NewRelay()
	count := 20
	ip := "127.0.0.2:"

	hosts := makeHosts(count, t)

	for i := range hosts {
		relay.AddClient(hosts[i])
	}

	require.Equal(t, count, relay.ClientsCount())

	for i := range hosts {
		res := relay.NeedToRelay(hosts[i].Address.String())
		require.Equal(t, true, res)
	}

	for i := 0; i < count; i++ {
		address, err := host.NewAddress(ip + strconv.Itoa(i+20000))

		if err != nil {
			require.Errorf(t, nil, "error: %s", err.Error())
			continue
		}
		res := relay.NeedToRelay(address.String())
		require.Equal(t, false, res)
	}
}

func TestRelay_Count(t *testing.T) {
	relay := NewRelay()
	count := 20

	hosts := makeHosts(count, t)

	for i := range hosts {
		relay.AddClient(hosts[i])
	}

	require.Equal(t, count, relay.ClientsCount())
}

func TestProxy_AddProxyHost(t *testing.T) {
	count := 20
	addresses := makeAddresses(count, t)
	proxy := NewProxy()

	for i := range addresses {
		proxy.AddProxyHost(addresses[i].String())
		proxy.AddProxyHost(addresses[i].String()) // adding existed host
	}

	require.Equal(t, count, proxy.ProxyHostsCount())
}

func TestProxy_RemoveProxyHost(t *testing.T) {
	count := 20
	addresses := makeAddresses(count, t)
	proxy := NewProxy()

	for i := range addresses {
		proxy.AddProxyHost(addresses[i].String())
	}

	require.Equal(t, count, proxy.ProxyHostsCount())

	for i := range addresses {
		proxy.RemoveProxyHost(addresses[i].String())
		proxy.RemoveProxyHost(addresses[i].String()) // remove removed host
	}

	require.Equal(t, 0, proxy.ProxyHostsCount())
}

func TestProxy_GetNextProxyAddress(t *testing.T) {
	count := 20
	addresses := makeAddresses(count, t)
	proxy := NewProxy()
	idx := make(map[int]string, count)

	require.Equal(t, "", proxy.GetNextProxyAddress())

	for i := range addresses {
		proxy.AddProxyHost(addresses[i].String())
		idx[i] = addresses[i].String()
	}

	require.Equal(t, count, proxy.ProxyHostsCount())
	require.Equal(t, count, len(idx))

	for i := 0; i < proxy.ProxyHostsCount(); i++ {
		require.Equal(t, idx[i], proxy.GetNextProxyAddress())
	}
	for i := 0; i < proxy.ProxyHostsCount(); i++ {
		require.Equal(t, idx[i], proxy.GetNextProxyAddress())
	}
}

func TestProxy_Count(t *testing.T) {
	count := 20
	addresses := makeAddresses(count, t)
	proxy := NewProxy()

	for i := range addresses {
		proxy.AddProxyHost(addresses[i].String())
	}

	require.Equal(t, count, proxy.ProxyHostsCount())
}

func TestCreateProxy(t *testing.T) {
	proxy := NewProxy()

	check := true

	if proxy == nil {
		check = false
	}

	require.Equal(t, true, check)
}