Files
nexarch/web/mail-postfach/lib/threadNavigation.test.ts
Claude Sonnet 5andClaude Sonnet 5 deed1b1af8
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UX-02: e-mail-detailansicht-thread-darstellung
Detailansicht fuer web/mail-postfach (UX-01-App erweitert, nicht neu
gebaut): Header (Von/Betreff/Ordner/Datum/Nachricht-ID), Nachrichtentext,
Anhangsliste mit Download (Dateiname nicht verfuegbar -- System
persistiert keinen Originalnamen, daher Anhang N + aus dem
Content-Type geratene Endung). Thread-Gruppierung ueber normalisierten
Betreff (keine In-Reply-To/References-Header im System), Navigation
zwischen Thread-Nachrichten als reiner Komponentenzustand derselben
Seite (kein Routenwechsel -- Ordner-/Suchkontext bleibt dadurch
strukturell erhalten, Akzeptanzkriterium 3).

UX-03 (eigener offener Branch, eigenes Frontend web/mail-search) wird
NICHT wiederverwendet -- getrennte Apps ohne Komponentenfreigabe, siehe
UX-02-PRUEFPROTOKOLL.md fuer die Abgrenzung und die Begruendung der
Backend-Erweiterung.

Tests: lib/threading, lib/threadNavigation, lib/attachmentNaming,
components/MessageDetail (Komponententest je Akzeptanzkriterium),
__tests__/a11y (jest-axe, Pruefung 3), e2e/ux02 gegen die echte
mailpostfach-fixture (Pruefungen 1+2, Mandantentrennung). Bestehender
e2e/ux01-Satz bleibt unveraendert gruen.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-10-16 07:18:57 +00:00

36 lines
1.2 KiB
TypeScript

import { describe, expect, it } from "vitest";
import { findNextInThread, findPreviousInThread } from "./threadNavigation";
import type { MessageListItemDTO } from "./api";
function msg(messageId: string, sentAt: number): MessageListItemDTO {
return { messageId, subject: "Thread", sender: "a@b.test", mailbox: "posteingang", sentAt };
}
const thread = [msg("1", 100), msg("2", 200), msg("3", 300)];
describe("findNextInThread", () => {
it("liefert die nächste Nachricht im Thread", () => {
expect(findNextInThread(thread, "1")).toBe("2");
expect(findNextInThread(thread, "2")).toBe("3");
});
it("liefert null an der letzten Nachricht", () => {
expect(findNextInThread(thread, "3")).toBeNull();
});
it("liefert null für eine unbekannte Nachricht", () => {
expect(findNextInThread(thread, "unbekannt")).toBeNull();
});
});
describe("findPreviousInThread", () => {
it("liefert die vorherige Nachricht im Thread", () => {
expect(findPreviousInThread(thread, "3")).toBe("2");
expect(findPreviousInThread(thread, "2")).toBe("1");
});
it("liefert null an der ersten Nachricht", () => {
expect(findPreviousInThread(thread, "1")).toBeNull();
});
});