package buckets

import (
	"encoding/json"
	"os"
	"testing"
)

// The engine's own states are named <module>_<state> by the manifest; a constant that drifts from it reads and writes a
// bucket nobody else knows (ADR 0634 §1, finding F4: the holder's name is kept in code and held to the manifest by this row).
func TestTheOwnStatesAreTheManifestsStates(t *testing.T) {
	raw, err := os.ReadFile("../../module.json")
	if err != nil {
		t.Fatal(err)
	}
	var m struct {
		Module string `json:"module"`
		State  []struct {
			Name string `json:"name"`
		} `json:"state"`
	}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	declared := map[string]bool{}
	for _, s := range m.State {
		declared[m.Module+"_"+s.Name] = true
	}
	for name, bucket := range map[string]string{"data": Data, "health": Health} {
		if !declared[bucket] {
			t.Errorf("the bucket %s for the state %s is not one the manifest of %s declares (%v)", bucket, name, m.Module, declared)
		}
	}
}