hedgedoc/backend/src/revisions/revisions.service.spec.ts
Yannick Bungers f362d27d3f Move session entity to sessions folder
Signed-off-by: Yannick Bungers <git@innay.de>
2023-07-06 12:07:44 +02:00

413 lines
14 KiB
TypeScript

/*
* SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { ConfigModule } from '@nestjs/config';
import { EventEmitterModule } from '@nestjs/event-emitter';
import { Test, TestingModule } from '@nestjs/testing';
import { getRepositoryToken } from '@nestjs/typeorm';
import { Mock } from 'ts-mockery';
import { Repository } from 'typeorm';
import { AuthToken } from '../auth/auth-token.entity';
import { Author } from '../authors/author.entity';
import appConfigMock from '../config/mock/app.config.mock';
import authConfigMock from '../config/mock/auth.config.mock';
import databaseConfigMock from '../config/mock/database.config.mock';
import noteConfigMock from '../config/mock/note.config.mock';
import { NotInDBError } from '../errors/errors';
import { eventModuleConfig } from '../events';
import { Group } from '../groups/group.entity';
import { Identity } from '../identity/identity.entity';
import { LoggerModule } from '../logger/logger.module';
import { Alias } from '../notes/alias.entity';
import { Note } from '../notes/note.entity';
import { NotesModule } from '../notes/notes.module';
import { Tag } from '../notes/tag.entity';
import { NoteGroupPermission } from '../permissions/note-group-permission.entity';
import { NoteUserPermission } from '../permissions/note-user-permission.entity';
import { Session } from '../sessions/session.entity';
import { User } from '../users/user.entity';
import { Edit } from './edit.entity';
import { EditService } from './edit.service';
import { Revision } from './revision.entity';
import { RevisionsService } from './revisions.service';
describe('RevisionsService', () => {
let service: RevisionsService;
let revisionRepo: Repository<Revision>;
beforeEach(async () => {
const module: TestingModule = await Test.createTestingModule({
providers: [
RevisionsService,
EditService,
{
provide: getRepositoryToken(Revision),
useClass: Repository,
},
],
imports: [
NotesModule,
LoggerModule,
ConfigModule.forRoot({
isGlobal: true,
load: [
appConfigMock,
databaseConfigMock,
authConfigMock,
noteConfigMock,
],
}),
EventEmitterModule.forRoot(eventModuleConfig),
],
})
.overrideProvider(getRepositoryToken(Edit))
.useValue({})
.overrideProvider(getRepositoryToken(User))
.useValue({})
.overrideProvider(getRepositoryToken(AuthToken))
.useValue({})
.overrideProvider(getRepositoryToken(Identity))
.useValue({})
.overrideProvider(getRepositoryToken(Note))
.useValue({})
.overrideProvider(getRepositoryToken(Revision))
.useClass(Repository)
.overrideProvider(getRepositoryToken(Tag))
.useValue({})
.overrideProvider(getRepositoryToken(NoteGroupPermission))
.useValue({})
.overrideProvider(getRepositoryToken(NoteUserPermission))
.useValue({})
.overrideProvider(getRepositoryToken(Group))
.useValue({})
.overrideProvider(getRepositoryToken(Alias))
.useValue({})
.overrideProvider(getRepositoryToken(Session))
.useValue({})
.overrideProvider(getRepositoryToken(Author))
.useValue({})
.compile();
service = module.get<RevisionsService>(RevisionsService);
revisionRepo = module.get<Repository<Revision>>(
getRepositoryToken(Revision),
);
});
it('should be defined', () => {
expect(service).toBeDefined();
});
describe('getRevision', () => {
it('returns a revision', async () => {
const note = Mock.of<Note>({});
const revision = Mock.of<Revision>({});
jest.spyOn(revisionRepo, 'findOne').mockResolvedValueOnce(revision);
expect(await service.getRevision(note, 1)).toBe(revision);
});
it('throws if the revision is not in the databse', async () => {
jest.spyOn(revisionRepo, 'findOne').mockResolvedValueOnce(null);
await expect(service.getRevision({} as Note, 1)).rejects.toThrow(
NotInDBError,
);
});
});
describe('purgeRevisions', () => {
let revisions: Revision[];
let note: Note;
beforeEach(() => {
note = Mock.of<Note>({});
revisions = [];
jest
.spyOn(revisionRepo, 'remove')
.mockImplementation(
<T extends Revision | Revision[]>(deleteEntities: T): Promise<T> => {
const newRevisions = revisions.filter((item: Revision) =>
Array.isArray(deleteEntities)
? !deleteEntities.includes(item)
: deleteEntities !== item,
);
revisions = newRevisions;
note.revisions = Promise.resolve(newRevisions);
return Promise.resolve(deleteEntities);
},
);
});
it('purges the revision history', async () => {
const revision1 = Mock.of<Revision>({ id: 1 });
const revision2 = Mock.of<Revision>({ id: 2 });
const revision3 = Mock.of<Revision>({ id: 3 });
revisions = [revision1, revision2, revision3];
note.revisions = Promise.resolve(revisions);
jest.spyOn(revisionRepo, 'find').mockResolvedValueOnce(revisions);
jest.spyOn(service, 'getLatestRevision').mockResolvedValueOnce(revision3);
// expected to return all the purged revisions
expect(await service.purgeRevisions(note)).toStrictEqual([
revision1,
revision2,
]);
// expected to have only the latest revision
expect(revisions).toStrictEqual([revision3]);
});
it('has no effect on revision history when a single revision is present', async () => {
const revision1 = Mock.of<Revision>({ id: 1 });
revisions = [revision1];
note.revisions = Promise.resolve(revisions);
jest.spyOn(revisionRepo, 'find').mockResolvedValueOnce(revisions);
jest.spyOn(service, 'getLatestRevision').mockResolvedValueOnce(revision1);
// expected to return all the purged revisions
expect(await service.purgeRevisions(note)).toHaveLength(0);
// expected to have only the latest revision
const updatedRevisions: Revision[] = [revision1];
expect(revisions).toEqual(updatedRevisions);
});
});
describe('getRevisionUserInfo', () => {
it('counts users correctly', async () => {
const user = User.create('test', 'test') as User;
const author = Author.create(123) as Author;
author.user = Promise.resolve(user);
const anonAuthor = Author.create(123) as Author;
const anonAuthor2 = Author.create(123) as Author;
const edits = [Edit.create(author, 12, 15) as Edit];
edits.push(Edit.create(author, 16, 18) as Edit);
edits.push(Edit.create(author, 29, 20) as Edit);
edits.push(Edit.create(anonAuthor, 29, 20) as Edit);
edits.push(Edit.create(anonAuthor, 29, 20) as Edit);
edits.push(Edit.create(anonAuthor2, 29, 20) as Edit);
const revision = Mock.of<Revision>({});
revision.edits = Promise.resolve(edits);
const userInfo = await service.getRevisionUserInfo(revision);
expect(userInfo.usernames.length).toEqual(1);
expect(userInfo.anonymousUserCount).toEqual(2);
});
});
describe('toRevisionMetadataDto', () => {
it('converts a revision', async () => {
const revision = Mock.of<Revision>({
id: 3246,
content: 'mockContent',
length: 1854,
createdAt: new Date('2020-05-20T09:58:00.000Z'),
title: 'mockTitle',
tags: Promise.resolve([Mock.of<Tag>({ name: 'mockTag' })]),
description: 'mockDescription',
patch: 'mockPatch',
edits: Promise.resolve([
Mock.of<Edit>({
endPos: 93,
startPos: 34,
createdAt: new Date('2020-03-04T20:12:00.000Z'),
updatedAt: new Date('2021-12-10T09:45:00.000Z'),
author: Promise.resolve(
Mock.of<Author>({
user: Promise.resolve(
Mock.of<User>({
username: 'mockusername',
}),
),
}),
),
}),
]),
});
expect(await service.toRevisionMetadataDto(revision))
.toMatchInlineSnapshot(`
{
"anonymousAuthorCount": 0,
"authorUsernames": [
"mockusername",
],
"createdAt": 2020-05-20T09:58:00.000Z,
"description": "mockDescription",
"id": 3246,
"length": 1854,
"tags": [
"mockTag",
],
"title": "mockTitle",
}
`);
});
});
describe('toRevisionDto', () => {
it('converts a revision', async () => {
const revision = Mock.of<Revision>({
id: 3246,
content: 'mockContent',
length: 1854,
createdAt: new Date('2020-05-20T09:58:00.000Z'),
title: 'mockTitle',
tags: Promise.resolve([Mock.of<Tag>({ name: 'mockTag' })]),
description: 'mockDescription',
patch: 'mockPatch',
edits: Promise.resolve([
Mock.of<Edit>({
endPos: 93,
startPos: 34,
createdAt: new Date('2020-03-04T22:32:00.000Z'),
updatedAt: new Date('2021-02-10T12:23:00.000Z'),
author: Promise.resolve(
Mock.of<Author>({
user: Promise.resolve(
Mock.of<User>({
username: 'mockusername',
}),
),
}),
),
}),
]),
});
expect(await service.toRevisionDto(revision)).toMatchInlineSnapshot(`
{
"anonymousAuthorCount": 0,
"authorUsernames": [
"mockusername",
],
"content": "mockContent",
"createdAt": 2020-05-20T09:58:00.000Z,
"description": "mockDescription",
"edits": [
{
"createdAt": 2020-03-04T22:32:00.000Z,
"endPos": 93,
"startPos": 34,
"updatedAt": 2021-02-10T12:23:00.000Z,
"username": "mockusername",
},
],
"id": 3246,
"length": 1854,
"patch": "mockPatch",
"tags": [
"mockTag",
],
"title": "mockTitle",
}
`);
});
});
describe('createRevision', () => {
it('creates a new revision', async () => {
const note = Mock.of<Note>({ publicId: 'test-note', id: 1 });
const oldContent = 'old content\n';
const newContent =
'---\ntitle: new title\ndescription: new description\ntags: [ "tag1" ]\n---\nnew content\n';
const oldRevision = Mock.of<Revision>({ content: oldContent, id: 1 });
jest.spyOn(revisionRepo, 'findOne').mockResolvedValueOnce(oldRevision);
jest
.spyOn(revisionRepo, 'save')
.mockImplementation((revision) =>
Promise.resolve(revision as Revision),
);
const createdRevision = await service.createRevision(note, newContent);
expect(createdRevision).not.toBeUndefined();
expect(createdRevision?.content).toBe(newContent);
await expect(createdRevision?.tags).resolves.toMatchInlineSnapshot(`
[
Tag {
"name": "tag1",
},
]
`);
expect(createdRevision?.title).toBe('new title');
expect(createdRevision?.description).toBe('new description');
await expect(createdRevision?.note).resolves.toBe(note);
expect(createdRevision?.patch).toMatchInlineSnapshot(`
"Index: test-note
===================================================================
--- test-note
+++ test-note
@@ -1,1 +1,6 @@
-old content
+---
+title: new title
+description: new description
+tags: [ "tag1" ]
+---
+new content
"
`);
});
it("won't create a revision if content is unchanged", async () => {
const note = Mock.of<Note>({ id: 1 });
const oldContent = 'old content\n';
const oldRevision = Mock.of<Revision>({ content: oldContent, id: 1 });
jest.spyOn(revisionRepo, 'findOne').mockResolvedValueOnce(oldRevision);
const saveSpy = jest.spyOn(revisionRepo, 'save').mockImplementation();
const createdRevision = await service.createRevision(note, oldContent);
expect(createdRevision).toBeUndefined();
expect(saveSpy).not.toHaveBeenCalled();
});
});
describe('createAndSaveRevision', () => {
it('creates and saves a new revision', async () => {
const newRevision = Mock.of<Revision>();
const createRevisionSpy = jest
.spyOn(service, 'createRevision')
.mockResolvedValue(newRevision);
const repoSaveSpy = jest
.spyOn(revisionRepo, 'save')
.mockResolvedValue(newRevision);
const note = Mock.of<Note>({});
const newContent = 'MockContent';
const yjsState = [0, 1, 2, 3, 4, 5];
await service.createAndSaveRevision(note, newContent, yjsState);
expect(createRevisionSpy).toHaveBeenCalledWith(
note,
newContent,
yjsState,
);
expect(repoSaveSpy).toHaveBeenCalledWith(newRevision);
});
it("doesn't save if no revision has been created", async () => {
const createRevisionSpy = jest
.spyOn(service, 'createRevision')
.mockResolvedValue(undefined);
const repoSaveSpy = jest
.spyOn(revisionRepo, 'save')
.mockRejectedValue(new Error("shouldn't have been called"));
const note = Mock.of<Note>({});
const newContent = 'MockContent';
const yjsState = [0, 1, 2, 3, 4, 5];
await service.createAndSaveRevision(note, newContent, yjsState);
expect(createRevisionSpy).toHaveBeenCalledWith(
note,
newContent,
yjsState,
);
expect(repoSaveSpy).not.toHaveBeenCalled();
});
});
});