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// Copyright 2015 The etcd Authors
//
// 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 etcdhttp
import (
"encoding/json"
"io/ioutil"
"net/http"
"net/http/httptest"
"path"
"sort"
"testing"
"github.com/coreos/etcd/etcdserver/membership"
"github.com/coreos/etcd/pkg/testutil"
"github.com/coreos/etcd/pkg/types"
"github.com/coreos/etcd/rafthttp"
"github.com/coreos/go-semver/semver"
)
type fakeCluster struct {
id uint64
clientURLs []string
members map[uint64]*membership.Member
}
func (c *fakeCluster) ID() types.ID { return types.ID(c.id) }
func (c *fakeCluster) ClientURLs() []string { return c.clientURLs }
func (c *fakeCluster) Members() []*membership.Member {
var ms membership.MembersByID
for _, m := range c.members {
ms = append(ms, m)
}
sort.Sort(ms)
return []*membership.Member(ms)
}
func (c *fakeCluster) Member(id types.ID) *membership.Member { return c.members[uint64(id)] }
func (c *fakeCluster) IsIDRemoved(id types.ID) bool { return false }
func (c *fakeCluster) Version() *semver.Version { return nil }
// TestNewPeerHandlerOnRaftPrefix tests that NewPeerHandler returns a handler that
// handles raft-prefix requests well.
func TestNewPeerHandlerOnRaftPrefix(t *testing.T) {
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("test data"))
})
ph := newPeerHandler(&fakeCluster{}, h, nil)
srv := httptest.NewServer(ph)
defer srv.Close()
tests := []string{
rafthttp.RaftPrefix,
rafthttp.RaftPrefix + "/hello",
}
for i, tt := range tests {
resp, err := http.Get(srv.URL + tt)
if err != nil {
t.Fatalf("unexpected http.Get error: %v", err)
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("unexpected ioutil.ReadAll error: %v", err)
}
if w := "test data"; string(body) != w {
t.Errorf("#%d: body = %s, want %s", i, body, w)
}
}
}
func TestServeMembersFails(t *testing.T) {
tests := []struct {
method string
wcode int
}{
{
"POST",
http.StatusMethodNotAllowed,
},
{
"DELETE",
http.StatusMethodNotAllowed,
},
{
"BAD",
http.StatusMethodNotAllowed,
},
}
for i, tt := range tests {
rw := httptest.NewRecorder()
h := &peerMembersHandler{cluster: nil}
h.ServeHTTP(rw, &http.Request{Method: tt.method})
if rw.Code != tt.wcode {
t.Errorf("#%d: code=%d, want %d", i, rw.Code, tt.wcode)
}
}
}
func TestServeMembersGet(t *testing.T) {
memb1 := membership.Member{ID: 1, Attributes: membership.Attributes{ClientURLs: []string{"http://localhost:8080"}}}
memb2 := membership.Member{ID: 2, Attributes: membership.Attributes{ClientURLs: []string{"http://localhost:8081"}}}
cluster := &fakeCluster{
id: 1,
members: map[uint64]*membership.Member{1: &memb1, 2: &memb2},
}
h := &peerMembersHandler{cluster: cluster}
msb, err := json.Marshal([]membership.Member{memb1, memb2})
if err != nil {
t.Fatal(err)
}
wms := string(msb) + "\n"
tests := []struct {
path string
wcode int
wct string
wbody string
}{
{peerMembersPrefix, http.StatusOK, "application/json", wms},
{path.Join(peerMembersPrefix, "bad"), http.StatusBadRequest, "text/plain; charset=utf-8", "bad path\n"},
}
for i, tt := range tests {
req, err := http.NewRequest("GET", testutil.MustNewURL(t, tt.path).String(), nil)
if err != nil {
t.Fatal(err)
}
rw := httptest.NewRecorder()
h.ServeHTTP(rw, req)
if rw.Code != tt.wcode {
t.Errorf("#%d: code=%d, want %d", i, rw.Code, tt.wcode)
}
if gct := rw.Header().Get("Content-Type"); gct != tt.wct {
t.Errorf("#%d: content-type = %s, want %s", i, gct, tt.wct)
}
if rw.Body.String() != tt.wbody {
t.Errorf("#%d: body = %s, want %s", i, rw.Body.String(), tt.wbody)
}
gcid := rw.Header().Get("X-Etcd-Cluster-ID")
wcid := cluster.ID().String()
if gcid != wcid {
t.Errorf("#%d: cid = %s, want %s", i, gcid, wcid)
}
}
}
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