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|
// +build linux solaris
package console
import (
"bytes"
"fmt"
"io"
"os"
"os/exec"
"sync"
"testing"
)
func TestWinSize(t *testing.T) {
c, _, err := NewPty()
if err != nil {
t.Fatal(err)
}
defer c.Close()
if err := c.Resize(WinSize{
Width: 11,
Height: 10,
}); err != nil {
t.Error(err)
return
}
size, err := c.Size()
if err != nil {
t.Error(err)
return
}
if size.Width != 11 {
t.Errorf("width should be 11 but received %d", size.Width)
}
if size.Height != 10 {
t.Errorf("height should be 10 but received %d", size.Height)
}
}
func TestConsolePty(t *testing.T) {
console, slavePath, err := NewPty()
if err != nil {
t.Fatal(err)
}
defer console.Close()
slave, err := os.OpenFile(slavePath, os.O_RDWR, 0)
if err != nil {
t.Fatal(err)
}
defer slave.Close()
iteration := 10
cmd := exec.Command("sh", "-c", fmt.Sprintf("for x in `seq 1 %d`; do echo -n test; done", iteration))
cmd.Stdin = slave
cmd.Stdout = slave
cmd.Stderr = slave
var (
b bytes.Buffer
wg sync.WaitGroup
)
wg.Add(1)
go func() {
io.Copy(&b, console)
wg.Done()
}()
if err := cmd.Run(); err != nil {
t.Fatal(err)
}
slave.Close()
wg.Wait()
expectedOutput := ""
for i := 0; i < iteration; i++ {
expectedOutput += "test"
}
if out := b.String(); out != expectedOutput {
t.Errorf("unexpected output %q", out)
}
}
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