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package p2p_test
import (
"net"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
cfg "github.com/tendermint/go-config"
p2p "github.com/tendermint/go-p2p"
)
func createMConnection(conn net.Conn) *p2p.MConnection {
onReceive := func(chID byte, msgBytes []byte) {
}
onError := func(r interface{}) {
}
return createMConnectionWithCallbacks(conn, onReceive, onError)
}
func createMConnectionWithCallbacks(conn net.Conn, onReceive func(chID byte, msgBytes []byte), onError func(r interface{})) *p2p.MConnection {
config := cfg.NewMapConfig(map[string]interface{}{"send_rate": 512000, "recv_rate": 512000})
chDescs := []*p2p.ChannelDescriptor{&p2p.ChannelDescriptor{ID: 0x01, Priority: 1}}
return p2p.NewMConnection(config, conn, chDescs, onReceive, onError)
}
func TestMConnectionSend(t *testing.T) {
assert, require := assert.New(t), require.New(t)
server, client := net.Pipe()
defer server.Close()
defer client.Close()
mconn := createMConnection(client)
_, err := mconn.Start()
require.Nil(err)
defer mconn.Stop()
msg := "Ant-Man"
assert.True(mconn.Send(0x01, msg))
assert.False(mconn.CanSend(0x01))
server.Read(make([]byte, len(msg)))
assert.True(mconn.CanSend(0x01))
msg = "Spider-Man"
assert.True(mconn.TrySend(0x01, msg))
server.Read(make([]byte, len(msg)))
}
func TestMConnectionReceive(t *testing.T) {
assert, require := assert.New(t), require.New(t)
server, client := net.Pipe()
defer server.Close()
defer client.Close()
receivedCh := make(chan []byte)
errorsCh := make(chan interface{})
onReceive := func(chID byte, msgBytes []byte) {
receivedCh <- msgBytes
}
onError := func(r interface{}) {
errorsCh <- r
}
mconn1 := createMConnectionWithCallbacks(client, onReceive, onError)
_, err := mconn1.Start()
require.Nil(err)
defer mconn1.Stop()
mconn2 := createMConnection(server)
_, err = mconn2.Start()
require.Nil(err)
defer mconn2.Stop()
msg := "Cyclops"
assert.True(mconn2.Send(0x01, msg))
select {
case receivedBytes := <-receivedCh:
assert.Equal([]byte(msg), receivedBytes[2:]) // first 3 bytes are internal
case err := <-errorsCh:
t.Fatalf("Expected %s, got %+v", msg, err)
case <-time.After(500 * time.Millisecond):
t.Fatalf("Did not receive %s message in 500ms", msg)
}
}
func TestMConnectionStatus(t *testing.T) {
assert, require := assert.New(t), require.New(t)
server, client := net.Pipe()
defer server.Close()
defer client.Close()
mconn := createMConnection(client)
_, err := mconn.Start()
require.Nil(err)
defer mconn.Stop()
status := mconn.Status()
assert.NotNil(status)
assert.Zero(status.Channels[0].SendQueueSize)
}
func TestMConnectionNonPersistent(t *testing.T) {
assert, require := assert.New(t), require.New(t)
server, client := net.Pipe()
defer server.Close()
defer client.Close()
receivedCh := make(chan []byte)
errorsCh := make(chan interface{})
onReceive := func(chID byte, msgBytes []byte) {
receivedCh <- msgBytes
}
onError := func(r interface{}) {
errorsCh <- r
}
mconn := createMConnectionWithCallbacks(client, onReceive, onError)
_, err := mconn.Start()
require.Nil(err)
defer mconn.Stop()
client.Close()
select {
case receivedBytes := <-receivedCh:
t.Fatalf("Expected error, got %v", receivedBytes)
case err := <-errorsCh:
assert.NotNil(err)
assert.False(mconn.IsRunning())
case <-time.After(500 * time.Millisecond):
t.Fatal("Did not receive error in 500ms")
}
}