func (*workersSuite) TestNewWorkers(c *gc.C) {
workers := worker.NewWorkers()
ids, funcs := worker.ExtractWorkers(workers)
c.Check(ids, gc.HasLen, 0)
c.Check(funcs, gc.HasLen, 0)
}
func (*workersSuite) TestAddAlreadyRegistered(c *gc.C) {
newWorker := func() (worker.Worker, error) { return nil, nil }
workers := worker.NewWorkers()
err := workers.Add("spam", newWorker)
c.Assert(err, jc.ErrorIsNil)
err = workers.Add("spam", newWorker)
c.Check(err, gc.ErrorMatches, `.*already registered.*`)
}
func (*workersSuite) TestIDsOkay(c *gc.C) {
newWorker := func() (worker.Worker, error) { return nil, nil }
workers := worker.NewWorkers()
err := workers.Add("spam", newWorker)
c.Assert(err, jc.ErrorIsNil)
err = workers.Add("eggs", newWorker)
c.Assert(err, jc.ErrorIsNil)
ids := workers.IDs()
c.Check(ids, jc.DeepEquals, []string{"spam", "eggs"})
}
func (s *workersSuite) TestStartError(c *gc.C) {
runner := workertesting.NewStubRunner(s.stub)
failure := errors.Errorf("<failed>")
s.stub.SetErrors(nil, failure)
workers := worker.NewWorkers()
expected := []string{"spam", "eggs", "ham"}
for _, id := range expected {
err := workers.Add(id, s.newWorkerFunc(id))
c.Assert(err, jc.ErrorIsNil)
}
err := workers.Start(runner)
s.stub.CheckCallNames(c, "StartWorker", "StartWorker")
c.Check(errors.Cause(err), gc.Equals, failure)
}
func (s *workersSuite) TestAddOkay(c *gc.C) {
workers := worker.NewWorkers()
expected := []string{"spam", "eggs"}
for _, id := range expected {
err := workers.Add(id, s.newWorkerFunc(id))
c.Assert(err, jc.ErrorIsNil)
}
ids, funcs := worker.ExtractWorkers(workers)
c.Check(ids, jc.DeepEquals, expected)
// We can't compare functions so we work around it.
for _, newWorker := range funcs {
newWorker()
}
sort.Strings(s.calls)
sort.Strings(expected)
c.Check(s.calls, jc.DeepEquals, expected)
}
func (s *workersSuite) TestStartOkay(c *gc.C) {
runner := workertesting.NewStubRunner(s.stub)
runner.CallWhenStarted = true
workers := worker.NewWorkers()
expected := []string{"spam", "eggs", "ham"}
for _, id := range expected {
err := workers.Add(id, s.newWorkerFunc(id))
c.Assert(err, jc.ErrorIsNil)
}
err := workers.Start(runner)
c.Assert(err, jc.ErrorIsNil)
// We would use s.stub.CheckCalls if functions could be compared...
runner.CheckCallIDs(c, "StartWorker", expected...)
sort.Strings(s.calls)
sort.Strings(expected)
c.Check(s.calls, jc.DeepEquals, expected)
}
func (*workersSuite) TestIDsEmpty(c *gc.C) {
workers := worker.NewWorkers()
ids := workers.IDs()
c.Check(ids, gc.HasLen, 0)
}