kubernetes/pkg/storage/etcd/util/etcd_util_test.go
David Oppenheimer 8ac484793d Comment out calls to httptest.Server.Close() to work around
https://github.com/golang/go/issues/12262 . See #19254 for
more details. This change should be reverted when we upgrade
to Go 1.6.
2016-01-11 23:02:11 -08:00

123 lines
3.0 KiB
Go

/*
Copyright 2014 The Kubernetes Authors All rights reserved.
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 util
import (
"fmt"
"math/rand"
"net"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"time"
etcd "github.com/coreos/etcd/client"
"github.com/stretchr/testify/assert"
)
const validEtcdVersion = "etcd 2.0.9"
func TestIsEtcdNotFound(t *testing.T) {
try := func(err error, isNotFound bool) {
if IsEtcdNotFound(err) != isNotFound {
t.Errorf("Expected %#v to return %v, but it did not", err, isNotFound)
}
}
try(&etcd.Error{Code: 101}, false)
try(nil, false)
try(fmt.Errorf("some other kind of error"), false)
}
func TestGetEtcdVersion_ValidVersion(t *testing.T) {
testServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, validEtcdVersion)
}))
// TODO: Uncomment when fix #19254
// defer testServer.Close()
var version string
var err error
if version, err = GetEtcdVersion(testServer.URL); err != nil {
t.Errorf("Unexpected error: %v", err)
}
assert.Equal(t, validEtcdVersion, version, "Unexpected version")
assert.Nil(t, err)
}
func TestGetEtcdVersion_ErrorStatus(t *testing.T) {
testServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusServiceUnavailable)
}))
// TODO: Uncomment when fix #19254
// defer testServer.Close()
_, err := GetEtcdVersion(testServer.URL)
assert.NotNil(t, err)
}
func TestGetEtcdVersion_NotListening(t *testing.T) {
portIsOpen := func(port int) bool {
conn, err := net.DialTimeout("tcp", "127.0.0.1:"+strconv.Itoa(port), 1*time.Second)
if err == nil {
conn.Close()
return true
}
return false
}
port := rand.Intn((1 << 16) - 1)
for tried := 0; portIsOpen(port); tried++ {
if tried >= 10 {
t.Fatal("Couldn't find a closed TCP port to continue testing")
}
port++
}
_, err := GetEtcdVersion("http://127.0.0.1:" + strconv.Itoa(port))
assert.NotNil(t, err)
}
func TestEtcdHealthCheck(t *testing.T) {
tests := []struct {
data string
expectErr bool
}{
{
data: "{\"health\": \"true\"}",
expectErr: false,
},
{
data: "{\"health\": \"false\"}",
expectErr: true,
},
{
data: "invalid json",
expectErr: true,
},
}
for _, test := range tests {
err := EtcdHealthCheck([]byte(test.data))
if err != nil && !test.expectErr {
t.Errorf("unexpected error: %v", err)
}
if err == nil && test.expectErr {
t.Error("unexpected non-error")
}
}
}