merged from gramsrv upstream

internal/app/dialogs/list_snapshot_cache_test.go

@@ -0,0 +1,43 @@
+package dialogs
+
+import (
+	"testing"
+
+	"telesrv/internal/domain"
+)
+
+func TestDialogOwnerSnapshotStructuralHashCoversMaterializedOwnerFacts(t *testing.T) {
+	base := domain.Dialog{
+		Peer:                      domain.Peer{Type: domain.PeerTypeChannel, ID: 10},
+		TopMessage:                20,
+		TopMessageDate:            30,
+		Pts:                       40,
+		HistoryClearAnchorID:      50,
+		HistoryClearAnchorDate:    60,
+		TopMessageUnreadProjected: true,
+		DefaultSendAs:             &domain.Peer{Type: domain.PeerTypeChannel, ID: 70},
+	}
+	wantDifferent := []domain.Dialog{
+		func() domain.Dialog { out := cloneDialog(base); out.Pts++; return out }(),
+		func() domain.Dialog { out := cloneDialog(base); out.HistoryClearAnchorID++; return out }(),
+		func() domain.Dialog { out := cloneDialog(base); out.TopMessageUnreadProjected = false; return out }(),
+		func() domain.Dialog { out := cloneDialog(base); out.DefaultSendAs.ID++; return out }(),
+	}
+	baseHash := dialogOwnerSnapshotStructuralHash([]domain.Dialog{base}, 0)
+	for index, changed := range wantDifferent {
+		if got := dialogOwnerSnapshotStructuralHash([]domain.Dialog{changed}, 0); got == baseHash {
+			t.Fatalf("materialized owner fact case %d did not change structural hash", index)
+		}
+	}
+}
+
+func TestDialogListSnapshotHashCoversMaterializedDraft(t *testing.T) {
+	peer := domain.Peer{Type: domain.PeerTypeUser, ID: 10}
+	without := newDialogListSnapshot(domain.DialogList{Dialogs: []domain.Dialog{{Peer: peer}}})
+	with := newDialogListSnapshot(domain.DialogList{Dialogs: []domain.Dialog{{
+		Peer: peer, Draft: &domain.DialogDraft{Peer: peer, Date: 20, Message: "draft"},
+	}}})
+	if without.hash == with.hash {
+		t.Fatalf("draft did not change snapshot hash: %d", without.hash)
+	}
+}