183 lines
4.7 KiB
Go
183 lines
4.7 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rafthttp
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import (
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"net/http"
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"reflect"
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"testing"
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"time"
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stats "github.com/coreos/etcd/etcdserver/api/v2stats"
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"github.com/coreos/etcd/pkg/testutil"
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"github.com/coreos/etcd/pkg/types"
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"github.com/coreos/etcd/raft/raftpb"
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"github.com/xiang90/probing"
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)
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// TestTransportSend tests that transport can send messages using correct
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// underlying peer, and drop local or unknown-target messages.
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func TestTransportSend(t *testing.T) {
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peer1 := newFakePeer()
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peer2 := newFakePeer()
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tr := &Transport{
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ServerStats: stats.NewServerStats("", ""),
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peers: map[types.ID]Peer{types.ID(1): peer1, types.ID(2): peer2},
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}
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wmsgsIgnored := []raftpb.Message{
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// bad local message
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{Type: raftpb.MsgBeat},
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// bad remote message
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{Type: raftpb.MsgProp, To: 3},
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}
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wmsgsTo1 := []raftpb.Message{
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// good message
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{Type: raftpb.MsgProp, To: 1},
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{Type: raftpb.MsgApp, To: 1},
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}
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wmsgsTo2 := []raftpb.Message{
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// good message
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{Type: raftpb.MsgProp, To: 2},
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{Type: raftpb.MsgApp, To: 2},
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}
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tr.Send(wmsgsIgnored)
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tr.Send(wmsgsTo1)
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tr.Send(wmsgsTo2)
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if !reflect.DeepEqual(peer1.msgs, wmsgsTo1) {
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t.Errorf("msgs to peer 1 = %+v, want %+v", peer1.msgs, wmsgsTo1)
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}
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if !reflect.DeepEqual(peer2.msgs, wmsgsTo2) {
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t.Errorf("msgs to peer 2 = %+v, want %+v", peer2.msgs, wmsgsTo2)
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}
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}
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func TestTransportCutMend(t *testing.T) {
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peer1 := newFakePeer()
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peer2 := newFakePeer()
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tr := &Transport{
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ServerStats: stats.NewServerStats("", ""),
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peers: map[types.ID]Peer{types.ID(1): peer1, types.ID(2): peer2},
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}
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tr.CutPeer(types.ID(1))
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wmsgsTo := []raftpb.Message{
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// good message
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{Type: raftpb.MsgProp, To: 1},
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{Type: raftpb.MsgApp, To: 1},
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}
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tr.Send(wmsgsTo)
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if len(peer1.msgs) > 0 {
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t.Fatalf("msgs expected to be ignored, got %+v", peer1.msgs)
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}
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tr.MendPeer(types.ID(1))
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tr.Send(wmsgsTo)
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if !reflect.DeepEqual(peer1.msgs, wmsgsTo) {
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t.Errorf("msgs to peer 1 = %+v, want %+v", peer1.msgs, wmsgsTo)
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}
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}
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func TestTransportAdd(t *testing.T) {
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ls := stats.NewLeaderStats("")
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tr := &Transport{
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LeaderStats: ls,
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streamRt: &roundTripperRecorder{},
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peers: make(map[types.ID]Peer),
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prober: probing.NewProber(nil),
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}
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tr.AddPeer(1, []string{"http://localhost:2380"})
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if _, ok := ls.Followers["1"]; !ok {
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t.Errorf("FollowerStats[1] is nil, want exists")
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}
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s, ok := tr.peers[types.ID(1)]
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if !ok {
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tr.Stop()
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t.Fatalf("senders[1] is nil, want exists")
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}
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// duplicate AddPeer is ignored
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tr.AddPeer(1, []string{"http://localhost:2380"})
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ns := tr.peers[types.ID(1)]
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if s != ns {
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t.Errorf("sender = %v, want %v", ns, s)
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}
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tr.Stop()
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}
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func TestTransportRemove(t *testing.T) {
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tr := &Transport{
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LeaderStats: stats.NewLeaderStats(""),
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streamRt: &roundTripperRecorder{},
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peers: make(map[types.ID]Peer),
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prober: probing.NewProber(nil),
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}
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tr.AddPeer(1, []string{"http://localhost:2380"})
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tr.RemovePeer(types.ID(1))
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defer tr.Stop()
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if _, ok := tr.peers[types.ID(1)]; ok {
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t.Fatalf("senders[1] exists, want removed")
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}
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}
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func TestTransportUpdate(t *testing.T) {
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peer := newFakePeer()
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tr := &Transport{
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peers: map[types.ID]Peer{types.ID(1): peer},
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prober: probing.NewProber(nil),
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}
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u := "http://localhost:2380"
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tr.UpdatePeer(types.ID(1), []string{u})
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wurls := types.URLs(testutil.MustNewURLs(t, []string{"http://localhost:2380"}))
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if !reflect.DeepEqual(peer.peerURLs, wurls) {
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t.Errorf("urls = %+v, want %+v", peer.peerURLs, wurls)
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}
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}
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func TestTransportErrorc(t *testing.T) {
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errorc := make(chan error, 1)
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tr := &Transport{
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Raft: &fakeRaft{},
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LeaderStats: stats.NewLeaderStats(""),
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ErrorC: errorc,
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streamRt: newRespRoundTripper(http.StatusForbidden, nil),
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pipelineRt: newRespRoundTripper(http.StatusForbidden, nil),
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peers: make(map[types.ID]Peer),
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prober: probing.NewProber(nil),
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}
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tr.AddPeer(1, []string{"http://localhost:2380"})
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defer tr.Stop()
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select {
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case <-errorc:
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t.Fatalf("received unexpected from errorc")
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case <-time.After(10 * time.Millisecond):
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}
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tr.peers[1].send(raftpb.Message{})
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select {
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case <-errorc:
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case <-time.After(1 * time.Second):
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t.Fatalf("cannot receive error from errorc")
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}
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}
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