128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
//go:build linux
|
|
|
|
package adminconsole
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func testTerminal(t *testing.T) (*os.File, *invocationTerminal, context.Context) {
|
|
t.Helper()
|
|
fd, err := unix.Open("/dev/ptmx", unix.O_RDWR|unix.O_NOCTTY|unix.O_NONBLOCK|unix.O_CLOEXEC, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
master := os.NewFile(uintptr(fd), "test-terminal")
|
|
t.Cleanup(func() { master.Close() })
|
|
if err := unix.IoctlSetPointerInt(fd, unix.TIOCSPTLCK, 0); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
number, err := unix.IoctlGetInt(fd, unix.TIOCGPTN)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
slaveFD, err := unix.Open(fmt.Sprintf("/dev/pts/%d", number), unix.O_RDWR|unix.O_NOCTTY|unix.O_NONBLOCK|unix.O_CLOEXEC, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
slave := os.NewFile(uintptr(slaveFD), "test-terminal-input")
|
|
t.Cleanup(func() { slave.Close() })
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
t.Cleanup(cancel)
|
|
terminal := &invocationTerminal{file: slave, cancel: cancel}
|
|
return master, terminal, context.WithValue(ctx, invocationTerminalKey{}, terminal)
|
|
}
|
|
|
|
func readTerminalUntil(t *testing.T, master *os.File, suffix string) string {
|
|
t.Helper()
|
|
if err := master.SetReadDeadline(time.Now().Add(2 * time.Second)); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
var result strings.Builder
|
|
buffer := make([]byte, 1024)
|
|
for !strings.Contains(result.String(), suffix) {
|
|
n, err := master.Read(buffer)
|
|
if err != nil {
|
|
t.Fatalf("终端输出等待失败：%q %v", result.String(), err)
|
|
}
|
|
result.Write(buffer[:n])
|
|
}
|
|
return result.String()
|
|
}
|
|
|
|
func TestBoundTerminalInputAndPasswordEcho(t *testing.T) {
|
|
for _, hidden := range []bool{false, true} {
|
|
t.Run(fmt.Sprintf("hidden=%v", hidden), func(t *testing.T) {
|
|
master, terminal, ctx := testTerminal(t)
|
|
done := make(chan error, 1)
|
|
go func() {
|
|
value, err := terminal.read(ctx, "第一行\n选项", hidden)
|
|
if err == nil && value != "Test1234" {
|
|
err = fmt.Errorf("输入未完整传递")
|
|
}
|
|
done <- err
|
|
}()
|
|
readTerminalUntil(t, master, "选项： ")
|
|
if _, err := master.Write([]byte("Test1234\n")); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
output := readTerminalUntil(t, master, "\r\n")
|
|
if hidden && strings.Contains(output, "Test1234") {
|
|
t.Fatal("密码出现回显")
|
|
}
|
|
if !hidden && !strings.Contains(output, "Test1234") {
|
|
t.Fatal("可见输入未显示")
|
|
}
|
|
if err := <-done; err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestBoundTerminalCancellationRestoresTerminal(t *testing.T) {
|
|
for _, eof := range []bool{false, true} {
|
|
t.Run(fmt.Sprintf("eof=%v", eof), func(t *testing.T) {
|
|
master, terminal, parent := testTerminal(t)
|
|
before, err := unix.IoctlGetTermios(int(terminal.file.Fd()), unix.TCGETS)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ctx, cancel := context.WithCancel(parent)
|
|
defer cancel()
|
|
done := make(chan error, 1)
|
|
go func() {
|
|
_, err := terminal.read(ctx, "等待取消", true)
|
|
done <- err
|
|
}()
|
|
readTerminalUntil(t, master, "等待取消： ")
|
|
if eof {
|
|
// 无前台进程组的测试终端用 EOF 模拟用户中止，真实 Ctrl+C 由调用者退出触发取消。
|
|
_, _ = master.Write([]byte{4})
|
|
} else {
|
|
cancel()
|
|
}
|
|
select {
|
|
case err := <-done:
|
|
if !errors.Is(err, context.Canceled) {
|
|
t.Fatalf("取消结果：%v", err)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatal("取消后仍然等待输入")
|
|
}
|
|
after, err := unix.IoctlGetTermios(int(terminal.file.Fd()), unix.TCGETS)
|
|
if err != nil || *before != *after {
|
|
t.Fatal("终端设置未恢复")
|
|
}
|
|
})
|
|
}
|
|
}
|