Function TestIssue5063

lib/model/model_test.go:976–1016

TestIssue5063 is about a panic in connection with modifying config in quick succession, related with auto accepted folders. It's unclear what exactly, a relevant bit seems to be here: PR-comments: https://github.com/syncthing/syncthing/pull/5069/files#r203146546 Issue: https://github.com/syncthing/s

(t *testing.T)

// PR-comments: https://github.com/syncthing/syncthing/pull/5069/files#r203146546
// Issue: https://github.com/syncthing/syncthing/pull/5509
func TestIssue5063(t *testing.T) {
	m, cancel := newState(t, defaultAutoAcceptCfg)
	defer cleanupModel(m)
	defer cancel()

	m.mut.Lock()
	for _, c := range m.connections {
		conn := c.(*fakeConnection)
		conn.CloseCalls(func(_ error) {})
		defer m.Closed(c, errStopped) // to unblock deferred m.Stop()
	}
	m.mut.Unlock()

	wg := sync.WaitGroup{}

	addAndVerify := func(id string) {
		m.ClusterConfig(device1Conn, createClusterConfig(device1, id))
		if fcfg, ok := m.cfg.Folder(id); !ok || !fcfg.SharedWith(device1) {
			t.Error("expected shared", id)
		}
	}

	reps := 10
	ids := make([]string, reps)
	for i := 0; i < reps; i++ {
		ids[i] = srand.String(8)
		wg.Go(func() { addAndVerify(ids[i]) })
	}

	finished := make(chan struct{})
	go func() {
		wg.Wait()
		close(finished)
	}()
	select {
	case <-finished:
	case <-time.After(10 * time.Second):
		pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
		t.Fatal("Timed out before all devices were added")
	}
}

func TestAutoAcceptRejected(t *testing.T) {
	// Nothing happens if AutoAcceptFolders not set