Beispiel #1
0
func TestRulesetParallelGuarding(t *testing.T) {
	rules := fsm.Ruleset{}
	rules.AddTransition(fsm.T{"pending", "started"})
	rules.AddTransition(fsm.T{"started", "finished"})

	// Add two failing rules, the slow should be caught first
	rules.AddRule(fsm.T{"started", "finished"}, func(subject fsm.Stater, goal fsm.State) error {
		time.Sleep(1 * time.Second)
		t.Error("Slow rule should have been short-circuited")
		return errors.New("Slow guard")
	})

	rules.AddRule(fsm.T{"started", "finished"}, func(subject fsm.Stater, goal fsm.State) error {
		return errors.New("Always reject guard")
	})

	st.Expect(t, rules.Permitted(&Thing{State: "started"}, "finished"), errors.New("Always reject guard"))
}
Beispiel #2
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func BenchmarkRulesetParallelGuarding(b *testing.B) {
	rules := fsm.Ruleset{}
	rules.AddTransition(fsm.T{"pending", "started"})
	rules.AddTransition(fsm.T{"started", "finished"})

	// Add two failing rules, one very slow and the other terribly fast
	rules.AddRule(fsm.T{"started", "finished"}, func(subject fsm.Stater, goal fsm.State) error {
		time.Sleep(1 * time.Second)
		return errors.New("Slow guard")
	})

	rules.AddRule(fsm.T{"started", "finished"}, func(subject fsm.Stater, goal fsm.State) error {
		return errors.New("Failing guard")
	})

	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		rules.Permitted(&Thing{State: "started"}, "finished")
	}
}
Beispiel #3
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func BenchmarkRulesetRuleForbids(b *testing.B) {
	// Here, we explicity create a transition that is forbidden. This simulates an
	// otherwise valid transition that would be denied based on a user role or the like.
	// It should be slower than a standard invalid transition, since we have to
	// actually execute a function to perform the check. The first guard to
	// fail (returning false) will short circuit the execution, getting some some speed.

	rules := fsm.Ruleset{}
	rules.AddTransition(fsm.T{"pending", "started"})

	rules.AddRule(fsm.T{"started", "finished"}, func(subject fsm.Stater, goal fsm.State) error {
		return errors.New("Failing guard")
	})

	some_thing := &Thing{State: "started"}

	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		rules.Permitted(some_thing, "finished")
	}
}