fix(repository): Move backend code into subdirectory

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

backend/src/realtime/realtime-note/realtime-note-store.spec.ts

@@ -0,0 +1,70 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { Mock } from 'ts-mockery';
+
+import { Note } from '../../notes/note.entity';
+import * as realtimeNoteModule from './realtime-note';
+import { RealtimeNote } from './realtime-note';
+import { RealtimeNoteStore } from './realtime-note-store';
+import { mockRealtimeNote } from './test-utils/mock-realtime-note';
+import { WebsocketAwareness } from './websocket-awareness';
+import { WebsocketDoc } from './websocket-doc';
+
+describe('RealtimeNoteStore', () => {
+  let realtimeNoteStore: RealtimeNoteStore;
+  let mockedNote: Note;
+  let mockedRealtimeNote: RealtimeNote;
+  let realtimeNoteConstructorSpy: jest.SpyInstance;
+  const mockedContent = 'mockedContent';
+  const mockedNoteId = 4711;
+
+  beforeEach(async () => {
+    jest.resetAllMocks();
+    jest.resetModules();
+
+    realtimeNoteStore = new RealtimeNoteStore();
+
+    mockedNote = Mock.of<Note>({ id: mockedNoteId });
+    mockedRealtimeNote = mockRealtimeNote(
+      mockedNote,
+      Mock.of<WebsocketDoc>(),
+      Mock.of<WebsocketAwareness>(),
+    );
+    realtimeNoteConstructorSpy = jest
+      .spyOn(realtimeNoteModule, 'RealtimeNote')
+      .mockReturnValue(mockedRealtimeNote);
+  });
+
+  it("can create a new realtime note if it doesn't exist yet", () => {
+    expect(realtimeNoteStore.create(mockedNote, mockedContent)).toBe(
+      mockedRealtimeNote,
+    );
+    expect(realtimeNoteConstructorSpy).toHaveBeenCalledWith(
+      mockedNote,
+      mockedContent,
+    );
+    expect(realtimeNoteStore.find(mockedNoteId)).toBe(mockedRealtimeNote);
+    expect(realtimeNoteStore.getAllRealtimeNotes()).toStrictEqual([
+      mockedRealtimeNote,
+    ]);
+  });
+
+  it('throws if a realtime note has already been created for the given note', () => {
+    expect(realtimeNoteStore.create(mockedNote, mockedContent)).toBe(
+      mockedRealtimeNote,
+    );
+    expect(() => realtimeNoteStore.create(mockedNote, mockedContent)).toThrow();
+  });
+
+  it('deletes a note if it gets destroyed', () => {
+    expect(realtimeNoteStore.create(mockedNote, mockedContent)).toBe(
+      mockedRealtimeNote,
+    );
+    mockedRealtimeNote.emit('destroy');
+    expect(realtimeNoteStore.find(mockedNoteId)).toBe(undefined);
+    expect(realtimeNoteStore.getAllRealtimeNotes()).toStrictEqual([]);
+  });
+});