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40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
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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// Test class and variables
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const expectedChangeFn1 = function () { return 'change1'; };
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const expectedChangeFn2 = function () { return 'change2'; };
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const expectedLoadFn = function () { return 'loaded'; };
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const myTestClass = new TestClass();
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describe('Events class suite', () => {
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afterEach(() => {
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myTestClass.removeEvents();
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});
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it('addEventTest', () => {
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expect(myTestClass.getEvents()).toEqual({});
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myTestClass.addEvent('change', expectedChangeFn1);
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expect(myTestClass.getEvents()).toEqual({ change: [expectedChangeFn1] });
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myTestClass.addEvent('change', expectedChangeFn2);
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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({ change: [expectedChangeFn1, expectedChangeFn2], load: [expectedLoadFn] });
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});
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it('removeEventTest', () => {
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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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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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