Hulk did something

[bytom/vapor.git] / p2p / connection / connection_test.go

diff --git a/p2p/connection/connection_test.go b/p2p/connection/connection_test.go
new file mode 100644 (file)
index 0000000..a298367
--- /dev/null
+++ b/p2p/connection/connection_test.go
@@ -0,0 +1,123 @@
+package connection
+
+import (
+       "net"
+       "testing"
+       "time"
+
+       "github.com/stretchr/testify/assert"
+       "github.com/stretchr/testify/require"
+)
+
+func createMConnection(conn net.Conn) *MConnection {
+       onReceive := func(chID byte, msgBytes []byte) {
+       }
+       onError := func(r interface{}) {
+       }
+       c := createMConnectionWithCallbacks(conn, onReceive, onError)
+       return c
+}
+
+func createMConnectionWithCallbacks(conn net.Conn, onReceive func(chID byte, msgBytes []byte), onError func(r interface{})) *MConnection {
+       chDescs := []*ChannelDescriptor{&ChannelDescriptor{ID: 0x01, Priority: 1, SendQueueCapacity: 1}}
+       c := NewMConnectionWithConfig(conn, chDescs, onReceive, onError, DefaultMConnConfig())
+       return c
+}
+
+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))
+       // Note: subsequent Send/TrySend calls could pass because we are reading from
+       // the send queue in a separate goroutine.
+       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)))
+
+       assert.False(mconn.CanSend(0x05), "CanSend should return false because channel is unknown")
+       assert.False(mconn.Send(0x05, "Absorbing Man"), "Send should return false because channel is unknown")
+}
+
+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 TestMConnectionStopsAndReturnsError(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")
+       }
+}