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moby--moby/integration-cli/docker_cli_events_unix_test.go

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// +build !windows
package main
import (
"bufio"
"fmt"
"io/ioutil"
"os"
"os/exec"
"testing"
"time"
"unicode"
"github.com/kr/pty"
)
// #5979
func TestEventsRedirectStdout(t *testing.T) {
since := time.Now().Unix()
dockerCmd(t, "run", "busybox", "true")
defer deleteAllContainers()
file, err := ioutil.TempFile("", "")
if err != nil {
t.Fatalf("could not create temp file: %v", err)
}
defer os.Remove(file.Name())
command := fmt.Sprintf("%s events --since=%d --until=%d > %s", dockerBinary, since, time.Now().Unix(), file.Name())
_, tty, err := pty.Open()
if err != nil {
t.Fatalf("Could not open pty: %v", err)
}
cmd := exec.Command("sh", "-c", command)
cmd.Stdin = tty
cmd.Stdout = tty
cmd.Stderr = tty
if err := cmd.Run(); err != nil {
t.Fatalf("run err for command %q: %v", command, err)
}
scanner := bufio.NewScanner(file)
for scanner.Scan() {
for _, c := range scanner.Text() {
if unicode.IsControl(c) {
t.Fatalf("found control character %v", []byte(string(c)))
}
}
}
if err := scanner.Err(); err != nil {
t.Fatalf("Scan err for command %q: %v", command, err)
}
logDone("events - redirect stdout")
}