package store

import "testing"

// A resource whose target moves leaves what the host wrote under the old target on record as a
// former one, undeclared by construction, so the next apply removes it (novox/hq issue 097, ADR 0163).
func TestARecordWhoseTargetMovedKeepsTheFormerTargetToRemove(t *testing.T) {
	s := State{}
	s.Record(Applied{ID: "gitea.server", Type: "container", Target: "mesh-gitea", Origin: OriginDeclared})
	s.Record(Applied{ID: "gitea.server", Type: "container", Target: "gitea", Origin: OriginDeclared})
	if len(s.Resources) != 2 {
		t.Fatalf("a moved target produced %d record(s): %+v", len(s.Resources), s.Resources)
	}
	orphans := s.Orphans(map[string]bool{"gitea.server": true}, OriginDeclared)
	if len(orphans) != 1 || orphans[0].Target != "mesh-gitea" || !IsFormer(orphans[0].ID) {
		t.Fatalf("the former target is not an orphan to remove: %+v", orphans)
	}
	s.Forget(orphans[0].ID)
	if len(s.Resources) != 1 || s.Resources[0].Target != "gitea" {
		t.Fatalf("forgetting the former target touched the current one: %+v", s.Resources)
	}
	// The same target again is not a move; a carried record is not the host's to remove.
	s.Record(Applied{ID: "gitea.server", Type: "container", Target: "gitea", Origin: OriginDeclared})
	s.Record(Applied{ID: "bundle", Type: "file", Target: "/a"})
	s.Record(Applied{ID: "bundle", Type: "file", Target: "/b"})
	if len(s.Resources) != 2 {
		t.Fatalf("an unmoved or carried record grew the list: %+v", s.Resources)
	}
}