terraform/vendor/github.com/fsouza/go-dockerclient/event_test.go

133 lines
3.4 KiB
Go

// Copyright 2014 go-dockerclient authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package docker
import (
"bufio"
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
func TestEventListeners(t *testing.T) {
testEventListeners("TestEventListeners", t, httptest.NewServer, NewClient)
}
func TestTLSEventListeners(t *testing.T) {
testEventListeners("TestTLSEventListeners", t, func(handler http.Handler) *httptest.Server {
server := httptest.NewUnstartedServer(handler)
cert, err := tls.LoadX509KeyPair("testing/data/server.pem", "testing/data/serverkey.pem")
if err != nil {
t.Fatalf("Error loading server key pair: %s", err)
}
caCert, err := ioutil.ReadFile("testing/data/ca.pem")
if err != nil {
t.Fatalf("Error loading ca certificate: %s", err)
}
caPool := x509.NewCertPool()
if !caPool.AppendCertsFromPEM(caCert) {
t.Fatalf("Could not add ca certificate")
}
server.TLS = &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caPool,
}
server.StartTLS()
return server
}, func(url string) (*Client, error) {
return NewTLSClient(url, "testing/data/cert.pem", "testing/data/key.pem", "testing/data/ca.pem")
})
}
func testEventListeners(testName string, t *testing.T, buildServer func(http.Handler) *httptest.Server, buildClient func(string) (*Client, error)) {
response := `{"status":"create","id":"dfdf82bd3881","from":"base:latest","time":1374067924}
{"status":"start","id":"dfdf82bd3881","from":"base:latest","time":1374067924}
{"status":"stop","id":"dfdf82bd3881","from":"base:latest","time":1374067966}
{"status":"destroy","id":"dfdf82bd3881","from":"base:latest","time":1374067970}
`
server := buildServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
rsc := bufio.NewScanner(strings.NewReader(response))
for rsc.Scan() {
w.Write([]byte(rsc.Text()))
w.(http.Flusher).Flush()
time.Sleep(10 * time.Millisecond)
}
}))
defer server.Close()
client, err := buildClient(server.URL)
if err != nil {
t.Errorf("Failed to create client: %s", err)
}
client.SkipServerVersionCheck = true
listener := make(chan *APIEvents, 10)
defer func() {
time.Sleep(10 * time.Millisecond)
if err := client.RemoveEventListener(listener); err != nil {
t.Error(err)
}
}()
err = client.AddEventListener(listener)
if err != nil {
t.Errorf("Failed to add event listener: %s", err)
}
timeout := time.After(1 * time.Second)
var count int
for {
select {
case msg := <-listener:
t.Logf("Received: %v", *msg)
count++
err = checkEvent(count, msg)
if err != nil {
t.Fatalf("Check event failed: %s", err)
}
if count == 4 {
return
}
case <-timeout:
t.Fatalf("%s timed out waiting on events", testName)
}
}
}
func checkEvent(index int, event *APIEvents) error {
if event.ID != "dfdf82bd3881" {
return fmt.Errorf("event ID did not match. Expected dfdf82bd3881 got %s", event.ID)
}
if event.From != "base:latest" {
return fmt.Errorf("event from did not match. Expected base:latest got %s", event.From)
}
var status string
switch index {
case 1:
status = "create"
case 2:
status = "start"
case 3:
status = "stop"
case 4:
status = "destroy"
}
if event.Status != status {
return fmt.Errorf("event status did not match. Expected %s got %s", status, event.Status)
}
return nil
}