New tests: scrollTo and autoslide

test/utils/autoslide.test.js

@@ -0,0 +1,43 @@
+import DOM from '../../src/js/utils/dom';
+import AutoSlide from '../../src/js/plugins/autoslide';
+
+jest.useFakeTimers();
+
+beforeAll(() => {
+  document.body.innerHTML = `<div id="webslides"></div><input id="focusable" />`;
+});
+
+test('AutoSlide plugin', () => {
+  const next = jest.fn();
+  const ws = document.getElementById('webslides');
+  const webslides = {
+    options: {
+      autoslide: 100
+    },
+    goNext: next,
+    el: ws
+  };
+
+  expect(next).not.toBeCalled();
+
+  const autoslide = new AutoSlide(webslides);
+  DOM.fireEvent(ws, 'ws:init');
+
+  // Wait until next execution
+  jest.runTimersToTime(101);
+
+  expect(next.mock.calls.length).toBe(1);
+
+  // Wait until next execution
+  jest.runTimersToTime(101);
+
+  expect(next.mock.calls.length).toBe(2);
+
+  // Pause on focus
+  document.getElementById('focusable').focus();
+  DOM.fireEvent(document.body, 'focus');
+  jest.runTimersToTime(101);
+
+  expect(next.mock.calls.length).toBe(2);
+
+});

test/utils/scroll-to.test.js

@@ -0,0 +1,23 @@
+jest.useFakeTimers();
+
+beforeAll(() => {
+  const brs = '<br />'.repeat(20);
+  document.body.innerHTML = `<div id="webslides">${brs}</div>`;
+});
+
+test('ScrollTo utility', () => {
+  const ws = document.getElementById('webslides');
+  // Needs to be required and not imported because const defined in top level
+  const scrollTo = require('../../src/js/utils/scroll-to');
+  const cb = jest.fn();
+
+  scrollTo.default(100, 500, cb);
+
+  expect(cb).not.toBeCalled();
+  expect(ws.scrollTop).toBe(0);
+
+  jest.runAllTimers();
+
+  expect(cb).toBeCalled();
+  expect(ws.scrollTop).toBe(100);
+});