func getAssertActionChange(actionC coretesting.ContentAsserterC) func(ids []string) {
// This calls AssertReceive N times for N ids, but allows the
// ids to come back in any order.
return func(ids []string) {
expected := make(map[string]int)
seen := make(map[string]int)
for _, id := range ids {
expected[id] += 1
actionId := actionC.AssertReceive().(string)
seen[actionId] += 1
}
actionC.C.Assert(seen, jc.DeepEquals, expected)
// Ensure that there are no other items remaining
actionC.AssertNoReceive()
}
}
func (s *FilterSuite) TestResolvedEvents(c *gc.C) {
f, err := newFilter(s.uniter, s.unit.Tag().String())
c.Assert(err, gc.IsNil)
defer statetesting.AssertStop(c, f)
resolvedAsserter := coretesting.ContentAsserterC{
C: c,
Precond: func() { s.BackingState.StartSync() },
Chan: f.ResolvedEvents(),
}
resolvedAsserter.AssertNoReceive()
// Request an event; no interesting event is available.
f.WantResolvedEvent()
resolvedAsserter.AssertNoReceive()
// Change the unit in an irrelevant way; no events.
err = s.unit.SetStatus(params.StatusError, "blarg", nil)
c.Assert(err, gc.IsNil)
resolvedAsserter.AssertNoReceive()
// Change the unit's resolved to an interesting value; new event received.
err = s.unit.SetResolved(state.ResolvedRetryHooks)
c.Assert(err, gc.IsNil)
assertChange := func(expect params.ResolvedMode) {
rm := resolvedAsserter.AssertOneReceive().(params.ResolvedMode)
c.Assert(rm, gc.Equals, expect)
}
assertChange(params.ResolvedRetryHooks)
// Ask for the event again, and check it's resent.
f.WantResolvedEvent()
assertChange(params.ResolvedRetryHooks)
// Clear the resolved status *via the filter*; check not resent...
err = f.ClearResolved()
c.Assert(err, gc.IsNil)
resolvedAsserter.AssertNoReceive()
// ...even when requested.
f.WantResolvedEvent()
resolvedAsserter.AssertNoReceive()
// Induce several events; only latest state is reported.
err = s.unit.SetResolved(state.ResolvedRetryHooks)
c.Assert(err, gc.IsNil)
err = f.ClearResolved()
c.Assert(err, gc.IsNil)
err = s.unit.SetResolved(state.ResolvedNoHooks)
c.Assert(err, gc.IsNil)
assertChange(params.ResolvedNoHooks)
}
