117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
//+build linux
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package term // import "github.com/docker/docker/pkg/term"
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/google/go-cmp/cmp"
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"gotest.tools/assert"
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)
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// RequiresRoot skips tests that require root, unless the test.root flag has
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// been set
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func RequiresRoot(t *testing.T) {
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if os.Getuid() != 0 {
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t.Skip("skipping test that requires root")
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return
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}
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}
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func newTtyForTest(t *testing.T) (*os.File, error) {
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RequiresRoot(t)
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return os.OpenFile("/dev/tty", os.O_RDWR, os.ModeDevice)
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}
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func newTempFile() (*os.File, error) {
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return ioutil.TempFile(os.TempDir(), "temp")
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}
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func TestGetWinsize(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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winSize, err := GetWinsize(tty.Fd())
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assert.NilError(t, err)
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assert.Assert(t, winSize != nil)
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newSize := Winsize{Width: 200, Height: 200, x: winSize.x, y: winSize.y}
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err = SetWinsize(tty.Fd(), &newSize)
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assert.NilError(t, err)
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winSize, err = GetWinsize(tty.Fd())
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assert.NilError(t, err)
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assert.DeepEqual(t, *winSize, newSize, cmpWinsize)
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}
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var cmpWinsize = cmp.AllowUnexported(Winsize{})
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func TestSetWinsize(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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winSize, err := GetWinsize(tty.Fd())
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assert.NilError(t, err)
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assert.Assert(t, winSize != nil)
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newSize := Winsize{Width: 200, Height: 200, x: winSize.x, y: winSize.y}
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err = SetWinsize(tty.Fd(), &newSize)
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assert.NilError(t, err)
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winSize, err = GetWinsize(tty.Fd())
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assert.NilError(t, err)
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assert.DeepEqual(t, *winSize, newSize, cmpWinsize)
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}
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func TestGetFdInfo(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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inFd, isTerminal := GetFdInfo(tty)
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assert.Equal(t, inFd, tty.Fd())
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assert.Equal(t, isTerminal, true)
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tmpFile, err := newTempFile()
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assert.NilError(t, err)
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defer tmpFile.Close()
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inFd, isTerminal = GetFdInfo(tmpFile)
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assert.Equal(t, inFd, tmpFile.Fd())
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assert.Equal(t, isTerminal, false)
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}
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func TestIsTerminal(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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isTerminal := IsTerminal(tty.Fd())
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assert.Equal(t, isTerminal, true)
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tmpFile, err := newTempFile()
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assert.NilError(t, err)
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defer tmpFile.Close()
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isTerminal = IsTerminal(tmpFile.Fd())
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assert.Equal(t, isTerminal, false)
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}
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func TestSaveState(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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state, err := SaveState(tty.Fd())
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assert.NilError(t, err)
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assert.Assert(t, state != nil)
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tty, err = newTtyForTest(t)
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assert.NilError(t, err)
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defer tty.Close()
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err = RestoreTerminal(tty.Fd(), state)
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assert.NilError(t, err)
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}
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func TestDisableEcho(t *testing.T) {
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tty, err := newTtyForTest(t)
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defer tty.Close()
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assert.NilError(t, err)
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state, err := SetRawTerminal(tty.Fd())
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defer RestoreTerminal(tty.Fd(), state)
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assert.NilError(t, err)
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assert.Assert(t, state != nil)
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err = DisableEcho(tty.Fd(), state)
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assert.NilError(t, err)
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}
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