Beispiel #1
0
// mustNext waits for w's value to be set and returns it.
func mustNext(c *gc.C, w *voyeur.Watcher) (val interface{}) {
	done := make(chan bool)
	go func() {
		c.Logf("mustNext %p", w)
		ok := w.Next()
		val = w.Value()
		c.Logf("mustNext done %p, ok %v", w, ok)
		done <- ok
	}()
	select {
	case ok := <-done:
		c.Assert(ok, jc.IsTrue)
		return
	case <-time.After(coretesting.LongWait):
		c.Fatalf("timed out waiting for value to be set")
	}
	panic("unreachable")
}
Beispiel #2
0
// mustNext waits for w's value to be set and returns it.
func mustNext(c *gc.C, w *voyeur.Watcher) (val interface{}) {
	type voyeurResult struct {
		ok  bool
		val interface{}
	}
	done := make(chan voyeurResult)
	go func() {
		c.Logf("mustNext %p", w)
		ok := w.Next()
		val = w.Value()
		c.Logf("mustNext done %p, ok: %v, val: %#v", w, ok, val)
		done <- voyeurResult{ok, val}
	}()
	select {
	case result := <-done:
		c.Assert(result.ok, jc.IsTrue)
		return result.val
	case <-time.After(coretesting.LongWait):
		c.Fatalf("timed out waiting for value to be set")
	}
	panic("unreachable")
}