@panoramax/web-viewer/tests/components/ui/Loader.test.js

Panoramax web viewer for geolocated pictures

import Loader from "../../../src/components/ui/Loader";

describe("constructor", () => {
	it("works", () => {
		const l = new Loader();
		expect(l.isVisible()).toBe(true);
	});
});

describe("dismiss", () => {
	it("works on success", () => {
		const p = { dispatchEvent: jest.fn() };
		const l = new Loader();
		l._parent = p;
		l.dismiss();

		expect(l.isVisible()).toBe(false);
		expect(p.dispatchEvent.mock.calls).toMatchSnapshot();
	});

	it("works on success + next fct", () => {
		const p = { dispatchEvent: jest.fn() };
		const n = jest.fn();
		const l = new Loader();
		l._parent = p;
		l.dismiss(null, null, n);

		expect(l.isVisible()).toBe(false);
		expect(p.dispatchEvent.mock.calls).toMatchSnapshot();
		expect(n.mock.calls).toMatchSnapshot();
	});

	it("works with error", () => {
		const p = { dispatchEvent: jest.fn(), _t: { pnx: {} } };
		const l = new Loader();
		l._parent = p;
		expect(() => l.dismiss(true, "an error")).toThrow(new Error("an error"))

		expect(l.isVisible()).toBe(true);
		expect(p.dispatchEvent.mock.calls).toMatchSnapshot();
	});

	it("works with error + next fct", () => {
		const p = { dispatchEvent: jest.fn(), _t: { pnx: {} } };
		const n = jest.fn();
		const l = new Loader();
		l.addEventListener = jest.fn();
		l._parent = p;
		expect(() => l.dismiss(true, "an error", n)).toThrow(new Error("an error"))

		expect(l.isVisible()).toBe(true);
		expect(p.dispatchEvent.mock.calls).toMatchSnapshot();
		expect(l.addEventListener.mock.calls).toMatchSnapshot();
	});
});