package broker

import "testing"

// Sweep 2026-10-30 (issue 774), the guard of mesh-sdk #136 in the controller's copy: where a placement names the
// node-engine's manifest, it adds no user, no process and nothing the tool runner carries; a module beside it does.
func TestTheNodeEnginesManifestComposesNoPlacedUser(t *testing.T) {
	engine := Declared{Module: EngineModule, Serves: []string{"health"}, State: []Bucket{{Name: "health"}},
		Processes: []ProcessPrincipal{{Process: "apply"}}}
	beside := Declared{Module: "power", Serves: []string{"power_draw"}}
	for name, c := range map[string]struct {
		assigned []Declared
		module   bool
	}{
		"with the runner":    {[]Declared{{Module: RuntimeModule, NoAccount: true}, engine, beside}, false},
		"without the runner": {[]Declared{engine, beside}, true},
	} {
		users, err := Users(Records{Nodes: []string{"anchor"}, Assigned: map[string][]Declared{"anchor": c.assigned}})
		if err != nil {
			t.Fatalf("%s: %v", name, err)
		}
		besideSeen := false
		for _, u := range users {
			if u.Module == EngineModule && (u.Kind == KindModule || u.Kind == KindProcess) {
				t.Errorf("%s: the node-engine's manifest composed a %v user", name, u.Kind)
			}
			besideSeen = besideSeen || u.Module == beside.Module
			for _, carried := range u.Carries {
				if carried.Module == EngineModule {
					t.Errorf("%s: the tool runner carries the node-engine's manifest", name)
				}
				besideSeen = besideSeen || carried.Module == beside.Module
			}
		}
		if !besideSeen {
			t.Errorf("%s: the module beside it is composed nowhere", name)
		}
	}
}