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62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
import Events from '../../../src/components/Events';
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describe('Events class suite', () => {
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class TestClass extends Events {
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getEvents() {
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return this.$events;
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}
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removeEvents() {
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this.$events = {};
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}
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}
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const expectedChangeFn1 = () => 'change1';
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const expectedChangeFn2 = () => 'change2';
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const expectedLoadFn = () => 'loaded';
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const myTestClass = new TestClass();
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describe('addEventTest', () => {
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afterAll(() => {
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myTestClass.removeEvents();
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});
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test('Added event Change', () => {
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expect(myTestClass.getEvents()).toEqual({});
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myTestClass.addEvent('change', expectedChangeFn1);
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});
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test('Added event Change', () => {
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expect(myTestClass.getEvents()).toEqual({ change: [expectedChangeFn1] });
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myTestClass.addEvent('change', expectedChangeFn2);
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});
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test('Added event Load', () => {
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expect(myTestClass.getEvents()).toEqual({ change: [expectedChangeFn1, expectedChangeFn2] });
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myTestClass.addEvent('load', expectedLoadFn);
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expect(myTestClass.getEvents()).toEqual({
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change: [expectedChangeFn1, expectedChangeFn2],
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load: [expectedLoadFn],
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});
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});
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});
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describe('removeEventTest', () => {
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afterAll(() => {
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myTestClass.removeEvents();
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});
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test('Added 2 event change', () => {
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expect(myTestClass.getEvents()).toEqual({});
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myTestClass.addEvent('change', expectedChangeFn1);
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myTestClass.addEvent('change', expectedChangeFn2);
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});
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test('Remove 1 event change', () => {
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expect(myTestClass.getEvents()).toEqual({ change: [expectedChangeFn1, expectedChangeFn2] });
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myTestClass.removeEvent('change', expectedChangeFn1);
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expect(myTestClass.getEvents()).toEqual({ change: [expectedChangeFn2] });
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});
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});
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});
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