|
|
@@ -0,0 +1,226 @@
|
|
|
+/*
|
|
|
+ Copyright 2014 CoreOS, Inc.
|
|
|
+
|
|
|
+ Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
+ you may not use this file except in compliance with the License.
|
|
|
+ You may obtain a copy of the License at
|
|
|
+
|
|
|
+ http://www.apache.org/licenses/LICENSE-2.0
|
|
|
+
|
|
|
+ Unless required by applicable law or agreed to in writing, software
|
|
|
+ distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
+ See the License for the specific language governing permissions and
|
|
|
+ limitations under the License.
|
|
|
+*/
|
|
|
+
|
|
|
+package rafthttp
|
|
|
+
|
|
|
+import (
|
|
|
+ "errors"
|
|
|
+ "io/ioutil"
|
|
|
+ "net/http"
|
|
|
+ "sync"
|
|
|
+ "testing"
|
|
|
+
|
|
|
+ "github.com/coreos/etcd/etcdserver/stats"
|
|
|
+ "github.com/coreos/etcd/pkg/testutil"
|
|
|
+ "github.com/coreos/etcd/pkg/types"
|
|
|
+)
|
|
|
+
|
|
|
+// TestSenderSend tests that send func could post data using roundtripper
|
|
|
+// and increase success count in stats.
|
|
|
+func TestSenderSend(t *testing.T) {
|
|
|
+ tr := &roundTripperRecorder{}
|
|
|
+ fs := &stats.FollowerStats{}
|
|
|
+ s := NewSender(tr, "http://10.0.0.1", types.ID(1), fs, nil)
|
|
|
+
|
|
|
+ if err := s.Send([]byte("some data")); err != nil {
|
|
|
+ t.Fatalf("unexpect send error: %v", err)
|
|
|
+ }
|
|
|
+ s.Stop()
|
|
|
+
|
|
|
+ if tr.Request() == nil {
|
|
|
+ t.Errorf("sender fails to post the data")
|
|
|
+ }
|
|
|
+ fs.Lock()
|
|
|
+ defer fs.Unlock()
|
|
|
+ if fs.Counts.Success != 1 {
|
|
|
+ t.Errorf("success = %d, want 1", fs.Counts.Success)
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func TestSenderExceedMaximalServing(t *testing.T) {
|
|
|
+ tr := newRoundTripperBlocker()
|
|
|
+ fs := &stats.FollowerStats{}
|
|
|
+ s := NewSender(tr, "http://10.0.0.1", types.ID(1), fs, nil)
|
|
|
+
|
|
|
+ // keep the sender busy and make the buffer full
|
|
|
+ // nothing can go out as we block the sender
|
|
|
+ for i := 0; i < connPerSender+senderBufSize; i++ {
|
|
|
+ if err := s.Send([]byte("some data")); err != nil {
|
|
|
+ t.Errorf("send err = %v, want nil", err)
|
|
|
+ }
|
|
|
+ // force the sender to grab data
|
|
|
+ testutil.ForceGosched()
|
|
|
+ }
|
|
|
+
|
|
|
+ // try to send a data when we are sure the buffer is full
|
|
|
+ if err := s.Send([]byte("some data")); err == nil {
|
|
|
+ t.Errorf("unexpect send success")
|
|
|
+ }
|
|
|
+
|
|
|
+ // unblock the senders and force them to send out the data
|
|
|
+ tr.unblock()
|
|
|
+ testutil.ForceGosched()
|
|
|
+
|
|
|
+ // It could send new data after previous ones succeed
|
|
|
+ if err := s.Send([]byte("some data")); err != nil {
|
|
|
+ t.Errorf("send err = %v, want nil", err)
|
|
|
+ }
|
|
|
+ s.Stop()
|
|
|
+}
|
|
|
+
|
|
|
+// TestSenderSendFailed tests that when send func meets the post error,
|
|
|
+// it increases fail count in stats.
|
|
|
+func TestSenderSendFailed(t *testing.T) {
|
|
|
+ fs := &stats.FollowerStats{}
|
|
|
+ s := NewSender(newRespRoundTripper(0, errors.New("blah")), "http://10.0.0.1", types.ID(1), fs, nil)
|
|
|
+
|
|
|
+ if err := s.Send([]byte("some data")); err != nil {
|
|
|
+ t.Fatalf("unexpect Send error: %v", err)
|
|
|
+ }
|
|
|
+ s.Stop()
|
|
|
+
|
|
|
+ fs.Lock()
|
|
|
+ defer fs.Unlock()
|
|
|
+ if fs.Counts.Fail != 1 {
|
|
|
+ t.Errorf("fail = %d, want 1", fs.Counts.Fail)
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func TestSenderPost(t *testing.T) {
|
|
|
+ tr := &roundTripperRecorder{}
|
|
|
+ s := NewSender(tr, "http://10.0.0.1", types.ID(1), nil, nil)
|
|
|
+ if err := s.post([]byte("some data")); err != nil {
|
|
|
+ t.Fatalf("unexpect post error: %v", err)
|
|
|
+ }
|
|
|
+ s.Stop()
|
|
|
+
|
|
|
+ if g := tr.Request().Method; g != "POST" {
|
|
|
+ t.Errorf("method = %s, want %s", g, "POST")
|
|
|
+ }
|
|
|
+ if g := tr.Request().URL.String(); g != "http://10.0.0.1" {
|
|
|
+ t.Errorf("url = %s, want %s", g, "http://10.0.0.1")
|
|
|
+ }
|
|
|
+ if g := tr.Request().Header.Get("Content-Type"); g != "application/protobuf" {
|
|
|
+ t.Errorf("content type = %s, want %s", g, "application/protobuf")
|
|
|
+ }
|
|
|
+ if g := tr.Request().Header.Get("X-Etcd-Cluster-ID"); g != "1" {
|
|
|
+ t.Errorf("cluster id = %s, want %s", g, "1")
|
|
|
+ }
|
|
|
+ b, err := ioutil.ReadAll(tr.Request().Body)
|
|
|
+ if err != nil {
|
|
|
+ t.Fatalf("unexpected ReadAll error: %v", err)
|
|
|
+ }
|
|
|
+ if string(b) != "some data" {
|
|
|
+ t.Errorf("body = %s, want %s", b, "some data")
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func TestSenderPostBad(t *testing.T) {
|
|
|
+ tests := []struct {
|
|
|
+ u string
|
|
|
+ code int
|
|
|
+ err error
|
|
|
+ }{
|
|
|
+ // bad url
|
|
|
+ {":bad url", http.StatusNoContent, nil},
|
|
|
+ // RoundTrip returns error
|
|
|
+ {"http://10.0.0.1", 0, errors.New("blah")},
|
|
|
+ // unexpected response status code
|
|
|
+ {"http://10.0.0.1", http.StatusOK, nil},
|
|
|
+ {"http://10.0.0.1", http.StatusCreated, nil},
|
|
|
+ }
|
|
|
+ for i, tt := range tests {
|
|
|
+ shouldstop := make(chan struct{})
|
|
|
+ s := NewSender(newRespRoundTripper(tt.code, tt.err), tt.u, types.ID(1), nil, shouldstop)
|
|
|
+ err := s.post([]byte("some data"))
|
|
|
+ s.Stop()
|
|
|
+
|
|
|
+ if err == nil {
|
|
|
+ t.Errorf("#%d: err = nil, want not nil", i)
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+func TestSenderPostShouldStop(t *testing.T) {
|
|
|
+ tests := []struct {
|
|
|
+ u string
|
|
|
+ code int
|
|
|
+ err error
|
|
|
+ }{
|
|
|
+ {"http://10.0.0.1", http.StatusForbidden, nil},
|
|
|
+ {"http://10.0.0.1", http.StatusPreconditionFailed, nil},
|
|
|
+ }
|
|
|
+ for i, tt := range tests {
|
|
|
+ shouldstop := make(chan struct{}, 1)
|
|
|
+ s := NewSender(newRespRoundTripper(tt.code, tt.err), tt.u, types.ID(1), nil, shouldstop)
|
|
|
+ s.post([]byte("some data"))
|
|
|
+ s.Stop()
|
|
|
+ select {
|
|
|
+ case <-shouldstop:
|
|
|
+ default:
|
|
|
+ t.Fatalf("#%d: cannot receive shouldstop notification", i)
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+type roundTripperBlocker struct {
|
|
|
+ c chan struct{}
|
|
|
+}
|
|
|
+
|
|
|
+func newRoundTripperBlocker() *roundTripperBlocker {
|
|
|
+ return &roundTripperBlocker{c: make(chan struct{})}
|
|
|
+}
|
|
|
+func (t *roundTripperBlocker) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
|
+ <-t.c
|
|
|
+ return &http.Response{StatusCode: http.StatusNoContent, Body: &nopReadCloser{}}, nil
|
|
|
+}
|
|
|
+func (t *roundTripperBlocker) unblock() {
|
|
|
+ close(t.c)
|
|
|
+}
|
|
|
+
|
|
|
+type respRoundTripper struct {
|
|
|
+ code int
|
|
|
+ err error
|
|
|
+}
|
|
|
+
|
|
|
+func newRespRoundTripper(code int, err error) *respRoundTripper {
|
|
|
+ return &respRoundTripper{code: code, err: err}
|
|
|
+}
|
|
|
+func (t *respRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
|
+ return &http.Response{StatusCode: t.code, Body: &nopReadCloser{}}, t.err
|
|
|
+}
|
|
|
+
|
|
|
+type roundTripperRecorder struct {
|
|
|
+ req *http.Request
|
|
|
+ sync.Mutex
|
|
|
+}
|
|
|
+
|
|
|
+func (t *roundTripperRecorder) RoundTrip(req *http.Request) (*http.Response, error) {
|
|
|
+ t.Lock()
|
|
|
+ defer t.Unlock()
|
|
|
+ t.req = req
|
|
|
+ return &http.Response{StatusCode: http.StatusNoContent, Body: &nopReadCloser{}}, nil
|
|
|
+}
|
|
|
+func (t *roundTripperRecorder) Request() *http.Request {
|
|
|
+ t.Lock()
|
|
|
+ defer t.Unlock()
|
|
|
+ return t.req
|
|
|
+}
|
|
|
+
|
|
|
+type nopReadCloser struct{}
|
|
|
+
|
|
|
+func (n *nopReadCloser) Read(p []byte) (int, error) { return 0, nil }
|
|
|
+func (n *nopReadCloser) Close() error { return nil }
|
Yicheng Qin