fix(backend): incorrect logic for determining whether Quote or not (#13700)

* fix(backend): incorrect logic for determining whether Quote or not

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/backend/test/unit/NoteCreateService.ts

@@ -0,0 +1,144 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Test } from '@nestjs/testing';
+
+import { CoreModule } from '@/core/CoreModule.js';
+import { NoteCreateService } from '@/core/NoteCreateService.js';
+import { GlobalModule } from '@/GlobalModule.js';
+import { MiNote } from '@/models/Note.js';
+import { IPoll } from '@/models/Poll.js';
+import { MiDriveFile } from '@/models/DriveFile.js';
+
+describe('NoteCreateService', () => {
+	let noteCreateService: NoteCreateService;
+
+	beforeAll(async () => {
+		const app = await Test.createTestingModule({
+			imports: [GlobalModule, CoreModule],
+		}).compile();
+		noteCreateService = app.get<NoteCreateService>(NoteCreateService);
+	});
+
+	describe('is-renote', () => {
+		const base: MiNote = {
+			id: 'some-note-id',
+			replyId: null,
+			reply: null,
+			renoteId: null,
+			renote: null,
+			threadId: null,
+			text: null,
+			name: null,
+			cw: null,
+			userId: 'some-user-id',
+			user: null,
+			localOnly: false,
+			reactionAcceptance: null,
+			renoteCount: 0,
+			repliesCount: 0,
+			clippedCount: 0,
+			reactions: {},
+			visibility: 'public',
+			uri: null,
+			url: null,
+			fileIds: [],
+			attachedFileTypes: [],
+			visibleUserIds: [],
+			mentions: [],
+			mentionedRemoteUsers: '',
+			reactionAndUserPairCache: [],
+			emojis: [],
+			tags: [],
+			hasPoll: false,
+			channelId: null,
+			channel: null,
+			userHost: null,
+			replyUserId: null,
+			replyUserHost: null,
+			renoteUserId: null,
+			renoteUserHost: null,
+		};
+
+		const poll: IPoll = {
+			choices: ['kinoko', 'takenoko'],
+			multiple: false,
+			expiresAt: null,
+		};
+
+		const file: MiDriveFile = {
+			id: 'some-file-id',
+			userId: null,
+			user: null,
+			userHost: null,
+			md5: '',
+			name: '',
+			type: '',
+			size: 0,
+			comment: null,
+			blurhash: null,
+			properties: {},
+			storedInternal: false,
+			url: '',
+			thumbnailUrl: null,
+			webpublicUrl: null,
+			webpublicType: null,
+			accessKey: null,
+			thumbnailAccessKey: null,
+			webpublicAccessKey: null,
+			uri: null,
+			src: null,
+			folderId: null,
+			folder: null,
+			isSensitive: false,
+			maybeSensitive: false,
+			maybePorn: false,
+			isLink: false,
+			requestHeaders: null,
+			requestIp: null,
+		};
+
+		test('note without renote should not be Renote', () => {
+			const note = { renote: null };
+			expect(noteCreateService['isRenote'](note)).toBe(false);
+		});
+
+		test('note with renote should be Renote and not be Quote', () => {
+			const note = { renote: base };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(false);
+		});
+
+		test('note with renote and text should be Quote', () => {
+			const note = { renote: base, text: 'some-text' };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(true);
+		});
+
+		test('note with renote and cw should be Quote', () => {
+			const note = { renote: base, cw: 'some-cw' };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(true);
+		});
+
+		test('note with renote and reply should be Quote', () => {
+			const note = { renote: base, reply: { ...base, id: 'another-note-id' } };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(true);
+		});
+
+		test('note with renote and poll should be Quote', () => {
+			const note = { renote: base, poll };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(true);
+		});
+
+		test('note with renote and non-empty files should be Quote', () => {
+			const note = { renote: base, files: [file] };
+			expect(noteCreateService['isRenote'](note)).toBe(true);
+			expect(noteCreateService['isQuote'](note)).toBe(true);
+		});
+	});
+});