func waiter(c *gc.C, m dependency.Manifold, w worker.Worker) gate.Waiter {
var waiter gate.Waiter
err := m.Output(w, &waiter)
c.Assert(err, jc.ErrorIsNil)
c.Assert(waiter, gc.NotNil)
return waiter
}
func unlocker(c *gc.C, m dependency.Manifold, w worker.Worker) gate.Unlocker {
var unlocker gate.Unlocker
err := m.Output(w, &unlocker)
c.Assert(err, jc.ErrorIsNil)
c.Assert(unlocker, gc.NotNil)
return unlocker
}
// RunAgentAPIManifold is useful for testing manifolds based on
// AgentAPIManifold. It takes the manifold, sets up the resources
// required to successfully pass AgentAPIManifold's checks and then
// runs the manifold start func.
//
// An agent and apiCaller may be optionally provided. If they are nil,
// dummy barely-good-enough defaults will be used (these dummies are
// fine not actually used for much).
func RunAgentAPIManifold(
manifold dependency.Manifold, agent agent.Agent, apiCaller base.APICaller,
) (worker.Worker, error) {
if agent == nil {
agent = new(dummyAgent)
}
if apiCaller == nil {
apiCaller = basetesting.APICallerFunc(
func(string, int, string, string, interface{}, interface{}) error {
return nil
})
}
context := dt.StubContext(nil, map[string]interface{}{
"agent-name": agent,
"api-caller-name": apiCaller,
})
return manifold.Start(context)
}
func assertGate(c *gc.C, manifold dependency.Manifold, unlocker gate.Unlocker) {
w, err := manifold.Start(nil)
c.Assert(err, jc.ErrorIsNil)
defer worker.Stop(w)
var waiter gate.Waiter
err = manifold.Output(w, &waiter)
c.Assert(err, jc.ErrorIsNil)
select {
case <-waiter.Unlocked():
c.Fatalf("expected gate to be locked")
default:
}
unlocker.Unlock()
select {
case <-waiter.Unlocked():
default:
c.Fatalf("expected gate to be unlocked")
}
}