func (s *OriginalRelationUnitSuite) assertChange(
c *C, w *state.RelationUnitsWatcher,
joined []string,
changed map[string]map[string]interface{},
departed []string,
) {
s.State.StartSync()
select {
case ch, ok := <-w.Changes():
if !ok {
c.Fatalf("channel closed; watcher error: %#v", w.Err())
}
sort.Strings(joined)
sort.Strings(ch.Joined)
c.Assert(joined, DeepEquals, ch.Joined)
c.Assert(len(changed), Equals, len(ch.Changed))
for name, m := range changed {
c.Assert(ch.Changed[name].Settings, DeepEquals, m)
}
sort.Strings(departed)
sort.Strings(ch.Departed)
c.Assert(departed, DeepEquals, ch.Departed)
case <-time.After(5 * time.Second):
c.Fatalf("expected joined %#v, changed %#v, departed %#v; got nothing", joined, changed, departed)
}
}
func (s *OriginalRelationUnitSuite) assertNoChange(c *C, w *state.RelationUnitsWatcher) {
s.State.StartSync()
select {
case ch := <-w.Changes():
c.Fatalf("got %#v, expected nothing", ch)
case <-time.After(50 * time.Millisecond):
}
}