Function TestTracker_Concurrent

pkg/tools/lifecycle/state_test.go:127–146

TestTracker_Concurrent ensures the tracker is safe for concurrent use (smoke test under the race detector). It does not verify ordering.

(t *testing.T)

// TestTracker_Concurrent ensures the tracker is safe for concurrent use
// (smoke test under the race detector). It does not verify ordering.
func TestTracker_Concurrent(t *testing.T) {
	t.Parallel()

	tr := lifecycle.NewTracker()
	const n = 100
	done := make(chan struct{})
	for range n {
		go func() {
			tr.Set(lifecycle.StateStarting)
			tr.Set(lifecycle.StateReady)
			tr.Fail(lifecycle.StateRestarting, errors.New("boom"))
			tr.IncRestarts()
			_ = tr.Snapshot()
			done <- struct{}{}
		}()
	}
	for range n {
		<-done
	}
}

// TestErrors_AreDistinct ensures sentinels do not alias each other,
// guarding against accidental var x = y refactors.