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Clean up Channel test (#8627)

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Clean up Channel test
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Norbert de Langen 2019-10-29 22:07:37 +01:00 committed by GitHub
commit 78b32a4c5d
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1 changed files with 13 additions and 1 deletions
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14
lib/channels/src/index.test.ts
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@ -51,11 +51,23 @@ describe('Channel', () => {
it('should do the same as addListener', () => {
const eventName = 'event1';
channel.addListener(eventName, jest.fn());
channel.on(eventName, jest.fn());
expect(channel.listeners(eventName).length).toBe(1);
});
});
describe('method:off', () => {
it('should remove listeners', () => {
const eventName = 'event1';
const fn = jest.fn();
channel.on(eventName, fn);
expect(channel.listeners(eventName).length).toBe(1);
channel.off(eventName, fn);
expect(channel.listeners(eventName).length).toBe(0);
});
});
describe('method:emit', () => {
it('should execute the callback fn of a listener', () => {
const eventName = 'event1';