pane_eof_detach_test.go RawHistoryFolder

1package daemon
2
3import (
4	"testing"
5
6	"github.com/bnema/vev/internal/domain"
7	"github.com/stretchr/testify/require"
8)
9
10func TestLastPaneEOFRetriesSessionTeardownAfterConcurrentDetach(t *testing.T) {
11	for _, change := range []string{"detach", "transport replacement"} {
12		t.Run(change, func(t *testing.T) {
13			d, sess, ac, _ := newManualSessionWithPTYs(t, newQuietPTY())
14			tb := sess.tabs[0]
15			last := tb.focusedPane()
16			hiddenPTY := newQuietPTY()
17			defer func() { _ = hiddenPTY.Close() }()
18			installTestFloating(tb, newPane("floating", hiddenPTY, domain.Size{Cols: 20, Rows: 5}), false)
19			defer tb.closeAllPanes()
20			changed := false
21			d.afterAttachmentEffectParticipantsSnapshotted = func(string, []*attachedClient) {
22				if changed {
23					return
24				}
25				changed = true
26				if change == "detach" {
27					require.True(t, d.detachIfCurrentTransport(sess, ac, ac.transportSnapshot()))
28				} else {
29					ac.replaceTransport(&closeTrackingTransport{})
30				}
31			}
32
33			// This is the reader's actual EOF handler. The hook makes its first
34			// kill snapshot stale before the attachment gates are frozen.
35			d.reapPaneOwner(last)
36
37			require.True(t, changed)
38			d.mu.Lock()
39			remaining := d.sessions[sess.id]
40			d.mu.Unlock()
41			require.Nil(t, remaining, "EOF must not abandon an uncommitted session teardown")
42			require.Nil(t, last.ownerSnapshot())
43			select {
44			case <-hiddenPTY.done:
45			default:
46				t.Fatal("hidden floating PTY survived last-pane EOF")
47			}
48		})
49	}
50}