docker/integration-cli/docker_api_attach_test.go

80 строки
1.4 KiB
Go

package main
import (
"bytes"
"os/exec"
"strings"
"time"
"github.com/go-check/check"
"code.google.com/p/go.net/websocket"
)
func (s *DockerSuite) TestGetContainersAttachWebsocket(c *check.C) {
runCmd := exec.Command(dockerBinary, "run", "-dit", "busybox", "cat")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
c.Fatalf(out, err)
}
rwc, err := sockConn(time.Duration(10 * time.Second))
if err != nil {
c.Fatal(err)
}
cleanedContainerID := strings.TrimSpace(out)
config, err := websocket.NewConfig(
"/containers/"+cleanedContainerID+"/attach/ws?stream=1&stdin=1&stdout=1&stderr=1",
"http://localhost",
)
if err != nil {
c.Fatal(err)
}
ws, err := websocket.NewClient(config, rwc)
if err != nil {
c.Fatal(err)
}
defer ws.Close()
expected := []byte("hello")
actual := make([]byte, len(expected))
outChan := make(chan error)
go func() {
_, err := ws.Read(actual)
outChan <- err
close(outChan)
}()
inChan := make(chan error)
go func() {
_, err := ws.Write(expected)
inChan <- err
close(inChan)
}()
select {
case err := <-inChan:
if err != nil {
c.Fatal(err)
}
case <-time.After(5 * time.Second):
c.Fatal("Timeout writing to ws")
}
select {
case err := <-outChan:
if err != nil {
c.Fatal(err)
}
case <-time.After(5 * time.Second):
c.Fatal("Timeout reading from ws")
}
if !bytes.Equal(expected, actual) {
c.Fatal("Expected output on websocket to match input")
}
}