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recents.spec.ts
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recents.spec.ts
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/*
* Copyright (c) Jupyter Development Team.
* Distributed under the terms of the Modified BSD License.
*/
import { PromiseDelegate } from '@lumino/coreutils';
import { StateDB } from '@jupyterlab/statedb';
import { ServiceManagerMock } from '@jupyterlab/services/lib/testutils';
import { ServiceManager } from '@jupyterlab/services';
import { RecentsManager } from '../src';
import { PageConfig } from '@jupyterlab/coreutils';
describe('@jupyterlab/docmanager', () => {
let manager: TestRecentsManager;
let services: ServiceManager.IManager;
class TestRecentsManager extends RecentsManager {
public updateRootDir() {
return super.updateRootDir();
}
}
beforeAll(() => {
services = new ServiceManagerMock();
});
beforeEach(() => {
const stateDB = new StateDB();
manager = new TestRecentsManager({
stateDB,
contents: services.contents
});
});
afterEach(() => {
manager.dispose();
});
const setRootDir = (dir: string) => {
PageConfig.setOption('serverRoot', dir);
manager.updateRootDir();
};
describe('RecentsManager', () => {
describe('#constructor()', () => {
it('should create a new recents manager', () => {
expect(manager).toBeInstanceOf(RecentsManager);
});
it('should emit `changed` signal after loading', async () => {
const stateDB = new StateDB();
const done = new PromiseDelegate<boolean>();
manager = new TestRecentsManager({
stateDB,
contents: services.contents
});
manager.changed.connect(() => {
done.resolve(true);
});
expect(await done.promise).toBe(true);
});
});
describe('#isDisposed', () => {
it('should test whether the manager is disposed', () => {
expect(manager.isDisposed).toBe(false);
manager.dispose();
expect(manager.isDisposed).toBe(true);
});
});
describe('#addRecent()', () => {
it('should add a document to recently opened list', () => {
expect(manager.recentlyOpened.length).toBe(0);
manager.addRecent(
{ path: 'test.py', contentType: 'text/x-python' },
'opened'
);
expect(manager.recentlyOpened.length).toBe(1);
expect(manager.recentlyClosed.length).toBe(0);
expect(manager.recentlyOpened[0].path).toBe('test.py');
manager.addRecent({ path: 'test', contentType: 'directory' }, 'opened');
expect(manager.recentlyOpened.length).toBe(2);
});
it('should add a document to recently closed list', () => {
expect(manager.recentlyClosed.length).toBe(0);
manager.addRecent(
{ path: 'test.py', contentType: 'text/x-python' },
'closed'
);
expect(manager.recentlyClosed.length).toBe(1);
expect(manager.recentlyOpened.length).toBe(0);
expect(manager.recentlyClosed[0].path).toBe('test.py');
manager.addRecent({ path: 'test', contentType: 'directory' }, 'closed');
expect(manager.recentlyClosed.length).toBe(2);
});
it('should auto-populate root dir', () => {
manager.addRecent({ path: 'test', contentType: 'directory' }, 'opened');
expect(manager.recentlyOpened[0].root).toBe(
PageConfig.getOption('serverRoot')
);
});
});
describe('#removeRecent()', () => {
it('should remove a document by path from correct list', () => {
const document = { path: 'test.py', contentType: 'text/x-python' };
manager.addRecent(document, 'opened');
manager.addRecent(document, 'closed');
expect(manager.recentlyOpened.length).toBe(1);
expect(manager.recentlyClosed.length).toBe(1);
manager.removeRecent(manager.recentlyOpened[0], 'closed');
expect(manager.recentlyOpened.length).toBe(1);
expect(manager.recentlyClosed.length).toBe(0);
});
});
describe('#recentlyOpened()', () => {
it('should filter out items from other root directories', () => {
setRootDir('root_a');
manager.addRecent({ path: 'a', contentType: 'directory' }, 'opened');
setRootDir('root_b');
manager.addRecent({ path: 'b', contentType: 'directory' }, 'opened');
// Check for `root_b` (most recent)
expect(manager.recentlyOpened.length).toBe(1);
expect(manager.recentlyOpened[0].root).toBe('root_b');
// Switch back to `root_a`
setRootDir('root_a');
expect(manager.recentlyOpened.length).toBe(1);
expect(manager.recentlyOpened[0].root).toBe('root_a');
});
});
describe('#recentlyClosed()', () => {
it('should filter out items from other root directories', () => {
setRootDir('root_a');
manager.updateRootDir();
manager.addRecent({ path: 'a', contentType: 'directory' }, 'closed');
setRootDir('root_b');
manager.addRecent({ path: 'b', contentType: 'directory' }, 'closed');
// Check for `root_b` (most recent)
expect(manager.recentlyClosed.length).toBe(1);
expect(manager.recentlyClosed[0].root).toBe('root_b');
// Switch back to `root_a`
setRootDir('root_a');
expect(manager.recentlyClosed.length).toBe(1);
expect(manager.recentlyClosed[0].root).toBe('root_a');
});
});
describe('#maximalRecentsLength', () => {
it('should limit the number of items', () => {
manager.maximalRecentsLength = 3;
for (let i = 0; i < 10; i++) {
const item = { path: `item${i}`, contentType: 'text/x-python' };
manager.addRecent(item, 'opened');
manager.addRecent(item, 'closed');
}
expect(manager.recentlyClosed.length).toBe(3);
expect(manager.recentlyOpened.length).toBe(3);
manager.maximalRecentsLength = 2;
expect(manager.recentlyClosed.length).toBe(2);
expect(manager.recentlyOpened.length).toBe(2);
});
it('should report current limit', () => {
manager.maximalRecentsLength = 5;
expect(manager.maximalRecentsLength).toBe(5);
});
it('should default to a non-negative number', () => {
expect(manager.maximalRecentsLength).toBeGreaterThanOrEqual(0);
});
});
describe('#changed()', () => {
it('should emit when new item is added', async () => {
const done = new PromiseDelegate<boolean>();
manager.changed.connect(() => {
done.resolve(true);
});
const item = { path: `test.py`, contentType: 'text/x-python' };
manager.addRecent(item, 'opened');
expect(await done.promise).toBe(true);
});
it('should emit when an item is removed', async () => {
const done = new PromiseDelegate<boolean>();
const item = { path: `test.py`, contentType: 'text/x-python' };
manager.addRecent(item, 'opened');
manager.changed.connect(() => {
done.resolve(true);
});
manager.removeRecent(manager.recentlyOpened[0], 'opened');
expect(await done.promise).toBe(true);
});
});
});
});