func (s *undertakerSuite) TestRequiresModelConnection(c *gc.C) {
api, err := machineundertaker.NewAPI(&fakeAPICaller{hasModelTag: false}, nil)
c.Assert(err, gc.ErrorMatches, "machine undertaker client requires a model API connection")
c.Assert(api, gc.IsNil)
api, err = machineundertaker.NewAPI(&fakeAPICaller{hasModelTag: true}, nil)
c.Assert(err, jc.ErrorIsNil)
c.Assert(api, gc.NotNil)
}
func (*undertakerSuite) TestWatchMachineRemovals_Success(c *gc.C) {
caller := func(facade string, version int, id, request string, arg, result interface{}) error {
c.Assert(result, gc.FitsTypeOf, ¶ms.NotifyWatchResults{})
*result.(*params.NotifyWatchResults) = params.NotifyWatchResults{
Results: []params.NotifyWatchResult{{
NotifyWatcherId: "2",
}},
}
return nil
}
expectWatcher := &struct{ watcher.NotifyWatcher }{}
newWatcher := func(wcaller base.APICaller, result params.NotifyWatchResult) watcher.NotifyWatcher {
c.Check(wcaller, gc.NotNil) // not comparable
c.Check(result, gc.DeepEquals, params.NotifyWatchResult{
NotifyWatcherId: "2",
})
return expectWatcher
}
api, err := machineundertaker.NewAPI(testing.APICallerFunc(caller), newWatcher)
c.Check(err, jc.ErrorIsNil)
w, err := api.WatchMachineRemovals()
c.Check(err, jc.ErrorIsNil)
c.Check(w, gc.Equals, expectWatcher)
}
// Manifold returns a dependency.Manifold that runs a machine
// undertaker.
func Manifold(config ManifoldConfig) dependency.Manifold {
return dependency.Manifold{
Inputs: []string{config.APICallerName, config.EnvironName},
Start: func(context dependency.Context) (worker.Worker, error) {
var apiCaller base.APICaller
if err := context.Get(config.APICallerName, &apiCaller); err != nil {
return nil, errors.Trace(err)
}
var environ environs.Environ
if err := context.Get(config.EnvironName, &environ); err != nil {
return nil, errors.Trace(err)
}
api, err := machineundertaker.NewAPI(apiCaller, watcher.NewNotifyWatcher)
if err != nil {
return nil, errors.Trace(err)
}
w, err := config.NewWorker(api, environ)
if err != nil {
return nil, errors.Trace(err)
}
return w, nil
},
}
}
func makeAPI(c *gc.C, caller testing.APICallerFunc) *machineundertaker.API {
api, err := machineundertaker.NewAPI(caller, nil)
c.Assert(err, jc.ErrorIsNil)
return api
}