package catalogue

import (
	"slices"
	"testing"
)

// Every provider may say what becomes of a consumer the mesh stopped asking for (novox/hq ADR 0230),
// whatever its manifest lists — as it may say a consumer it keeps failing (ADR 0224) — and a module
// that receives nothing may not.
func TestEveryProviderMaySayWhatItRetires(t *testing.T) {
	provider := Manifest{Module: "pg", Receives: map[string]string{"postgres-database": "/x/mesh.json"},
		Emits: []string{"database.provisioned"}}
	for _, e := range []string{ProvisionerFailing, ProvisionerRecovered, ProvisionerRetirement, "database.provisioned"} {
		if !slices.Contains(provider.EmitsAll(), e) {
			t.Errorf("a provider may not emit %s: %v", e, provider.EmitsAll())
		}
	}
	if slices.Contains(Manifest{Module: "app", Emits: []string{"x"}}.EmitsAll(), ProvisionerRetirement) {
		t.Error("a module that provides nothing may say what it retires")
	}
}