Files
kubernetes/third_party/github.com/fsouza/go-dockerclient/event_test.go
2014-06-06 16:40:48 -07:00

93 lines
2.2 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"
"fmt"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
func TestEventListeners(t *testing.T) {
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}
`
var req http.Request
server := httptest.NewServer(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)
}
req = *r
}))
defer server.Close()
client, err := NewClient(server.URL)
if err != nil {
t.Errorf("Failed to create client: %s", err)
}
listener := make(chan *APIEvents, 10)
defer func() { time.Sleep(10 * time.Millisecond); client.RemoveEventListener(listener) }()
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("Recieved: %s", *msg)
count++
err = checkEvent(count, msg)
if err != nil {
t.Fatalf("Check event failed: %s", err)
}
if count == 4 {
return
}
case <-timeout:
t.Fatal("TestAddEventListener timed out waiting on events")
}
}
}
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
}