electron/spec-main/api-callbacks-registry-spec.ts
Shelley Vohr 659e79fc08
refactor: prevent consistent early exception (#24191)
* refactor: prevent consistent early exception

* Use _linkedBinding where possible

* Remove dead electronBinding
2020-06-22 20:32:45 -07:00

47 lines
1.3 KiB
TypeScript

import { expect } from 'chai';
import { CallbacksRegistry } from '../lib/renderer/remote/callbacks-registry';
import { ifdescribe } from './spec-helpers';
const features = process._linkedBinding('electron_common_features');
ifdescribe(features.isRemoteModuleEnabled())('CallbacksRegistry module', () => {
let registry: CallbacksRegistry;
beforeEach(() => {
registry = new CallbacksRegistry();
});
it('adds a callback to the registry', () => {
const cb = () => [1, 2, 3, 4, 5];
const key = registry.add(cb);
expect(key).to.exist('key');
});
it('returns a specified callback if it is in the registry', () => {
const cb = () => [1, 2, 3, 4, 5];
const key = registry.add(cb);
expect(key).to.exist('key');
const callback = registry.get(key!);
expect(callback.toString()).equal(cb.toString());
});
it('returns an empty function if the cb doesnt exist', () => {
const callback = registry.get(1);
expect(callback).to.be.a('function');
});
it('removes a callback to the registry', () => {
const cb = () => [1, 2, 3, 4, 5];
const key = registry.add(cb);
expect(key).to.exist('key');
registry.remove(key!);
const afterCB = registry.get(key!);
expect(afterCB).to.be.a('function');
expect(afterCB.toString()).to.not.equal(cb.toString());
});
});