mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
146 lines
3.4 KiB
Go
146 lines
3.4 KiB
Go
// Copyright 2016 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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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"strings"
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"testing"
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"time"
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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/coreos/etcd/snap"
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)
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type strReaderCloser struct{ *strings.Reader }
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func (s strReaderCloser) Close() error { return nil }
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func TestSnapshotSend(t *testing.T) {
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tests := []struct {
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m raftpb.Message
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rc io.ReadCloser
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size int64
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wsent bool
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wfiles int
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}{
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// sent and receive with no errors
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{
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m: raftpb.Message{Type: raftpb.MsgSnap, To: 1},
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rc: strReaderCloser{strings.NewReader("hello")},
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size: 5,
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wsent: true,
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wfiles: 1,
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},
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// error when reading snapshot for send
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{
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m: raftpb.Message{Type: raftpb.MsgSnap, To: 1},
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rc: &errReadCloser{fmt.Errorf("snapshot error")},
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size: 1,
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wsent: false,
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wfiles: 0,
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},
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// sends less than the given snapshot length
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{
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m: raftpb.Message{Type: raftpb.MsgSnap, To: 1},
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rc: strReaderCloser{strings.NewReader("hello")},
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size: 10000,
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wsent: false,
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wfiles: 0,
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},
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// sends less than actual snapshot length
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{
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m: raftpb.Message{Type: raftpb.MsgSnap, To: 1},
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rc: strReaderCloser{strings.NewReader("hello")},
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size: 1,
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wsent: false,
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wfiles: 0,
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},
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}
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for i, tt := range tests {
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sent, files := testSnapshotSend(t, snap.NewMessage(tt.m, tt.rc, tt.size))
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if tt.wsent != sent {
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t.Errorf("#%d: snapshot expected %v, got %v", i, tt.wsent, sent)
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}
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if tt.wfiles != len(files) {
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t.Fatalf("#%d: expected %d files, got %d files", i, tt.wfiles, len(files))
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}
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}
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}
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func testSnapshotSend(t *testing.T, sm *snap.Message) (bool, []os.FileInfo) {
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d, err := ioutil.TempDir(os.TempDir(), "snapdir")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(d)
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r := &fakeRaft{}
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tr := &Transport{pipelineRt: &http.Transport{}, ClusterID: types.ID(1), Raft: r}
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ch := make(chan struct{}, 1)
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h := &syncHandler{newSnapshotHandler(tr, r, snap.New(d), types.ID(1)), ch}
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srv := httptest.NewServer(h)
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defer srv.Close()
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picker := mustNewURLPicker(t, []string{srv.URL})
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snapsend := newSnapshotSender(tr, picker, types.ID(1), newPeerStatus(types.ID(1)))
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defer snapsend.stop()
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snapsend.send(*sm)
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sent := false
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select {
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case <-time.After(time.Second):
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t.Fatalf("timed out sending snapshot")
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case sent = <-sm.CloseNotify():
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}
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// wait for handler to finish accepting snapshot
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<-ch
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files, rerr := ioutil.ReadDir(d)
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if rerr != nil {
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t.Fatal(rerr)
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}
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return sent, files
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}
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type errReadCloser struct{ err error }
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func (s *errReadCloser) Read(p []byte) (int, error) { return 0, s.err }
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func (s *errReadCloser) Close() error { return s.err }
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type syncHandler struct {
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h http.Handler
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ch chan<- struct{}
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}
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func (sh *syncHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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sh.h.ServeHTTP(w, r)
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sh.ch <- struct{}{}
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}
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