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moby--moby/integration/container_test.go

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package docker
import (
"io"
"io/ioutil"
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"testing"
"time"
"github.com/docker/docker/runconfig"
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)
func TestRestartStdin(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if err := stdout.Close(); err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
// Restart and try again
stdin, err = container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err = container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(stdin, "hello world #2"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.WaitStop(-1 * time.Second)
output, err = ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if err := stdout.Close(); err != nil {
t.Fatal(err)
}
if string(output) != "hello world #2" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world #2", string(output))
}
}
func TestStdin(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
defer stdin.Close()
defer stdout.Close()
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
}
func TestTty(t *testing.T) {
daemon := mkDaemon(t)
defer nuke(daemon)
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"cat"},
OpenStdin: true,
},
"",
)
if err != nil {
t.Fatal(err)
}
defer daemon.Destroy(container)
stdin, err := container.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := container.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := container.Start(); err != nil {
t.Fatal(err)
}
defer stdin.Close()
defer stdout.Close()
if _, err := io.WriteString(stdin, "hello world"); err != nil {
t.Fatal(err)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
container.WaitStop(-1 * time.Second)
output, err := ioutil.ReadAll(stdout)
if err != nil {
t.Fatal(err)
}
if string(output) != "hello world" {
t.Fatalf("Unexpected output. Expected %s, received: %s", "hello world", string(output))
}
}
func BenchmarkRunSequential(b *testing.B) {
daemon := mkDaemon(b)
defer nuke(daemon)
for i := 0; i < b.N; i++ {
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"echo", "-n", "foo"},
},
"",
)
if err != nil {
b.Fatal(err)
}
defer daemon.Destroy(container)
output, err := container.Output()
if err != nil {
b.Fatal(err)
}
if string(output) != "foo" {
b.Fatalf("Unexpected output: %s", output)
}
if err := daemon.Destroy(container); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkRunParallel(b *testing.B) {
daemon := mkDaemon(b)
defer nuke(daemon)
var tasks []chan error
for i := 0; i < b.N; i++ {
complete := make(chan error)
tasks = append(tasks, complete)
go func(i int, complete chan error) {
container, _, err := daemon.Create(&runconfig.Config{
Image: GetTestImage(daemon).ID,
Cmd: []string{"echo", "-n", "foo"},
},
"",
)
if err != nil {
complete <- err
return
}
defer daemon.Destroy(container)
if err := container.Start(); err != nil {
complete <- err
return
}
if _, err := container.WaitStop(15 * time.Second); err != nil {
complete <- err
return
}
// if string(output) != "foo" {
// complete <- fmt.Errorf("Unexecpted output: %v", string(output))
// }
if err := daemon.Destroy(container); err != nil {
complete <- err
return
}
complete <- nil
}(i, complete)
}
var errors []error
for _, task := range tasks {
err := <-task
if err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
b.Fatal(errors)
}
}