116 lines
3.9 KiB
JavaScript
116 lines
3.9 KiB
JavaScript
import $ from 'jquery';
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import setupToggleButtons from '~/toggle_buttons';
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import waitForPromises from './helpers/wait_for_promises';
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function generateMarkup(isChecked = true) {
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return `
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<button type="button" class="${isChecked ? 'is-checked' : ''} js-project-feature-toggle">
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<input type="hidden" class="js-project-feature-toggle-input" value="${isChecked}" />
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</button>
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`;
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}
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function setupFixture(isChecked, clickCallback) {
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const wrapper = document.createElement('div');
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wrapper.innerHTML = generateMarkup(isChecked);
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setupToggleButtons(wrapper, clickCallback);
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return wrapper;
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}
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describe('ToggleButtons', () => {
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describe('when input value is true', () => {
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it('should initialize as checked', () => {
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const wrapper = setupFixture(true);
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expect(
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wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked'),
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).toEqual(true);
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expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
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});
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it('should toggle to unchecked when clicked', () => {
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const wrapper = setupFixture(true);
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const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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toggleButton.click();
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return waitForPromises().then(() => {
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expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
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});
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});
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});
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describe('when input value is false', () => {
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it('should initialize as unchecked', () => {
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const wrapper = setupFixture(false);
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expect(
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wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked'),
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).toEqual(false);
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expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
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});
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it('should toggle to checked when clicked', () => {
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const wrapper = setupFixture(false);
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const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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toggleButton.click();
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return waitForPromises().then(() => {
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expect(toggleButton.classList.contains('is-checked')).toEqual(true);
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expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
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});
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});
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});
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it('should emit `trigger-change` event', () => {
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const changeSpy = jest.fn();
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const wrapper = setupFixture(false);
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const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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const input = wrapper.querySelector('.js-project-feature-toggle-input');
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$(input).on('trigger-change', changeSpy);
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toggleButton.click();
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return waitForPromises().then(() => {
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expect(changeSpy).toHaveBeenCalled();
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});
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});
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describe('clickCallback', () => {
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it('should show loading indicator while waiting', () => {
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const isChecked = true;
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const clickCallback = (newValue, toggleButton) => {
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const input = toggleButton.querySelector('.js-project-feature-toggle-input');
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expect(newValue).toEqual(false);
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// Check for the loading state
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expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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expect(toggleButton.classList.contains('is-loading')).toEqual(true);
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expect(toggleButton.disabled).toEqual(true);
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expect(input.value).toEqual('true');
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// After the callback finishes, check that the loading state is gone
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return waitForPromises().then(() => {
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expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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expect(toggleButton.classList.contains('is-loading')).toEqual(false);
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expect(toggleButton.disabled).toEqual(false);
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expect(input.value).toEqual('false');
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});
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};
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const wrapper = setupFixture(isChecked, clickCallback);
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const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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toggleButton.click();
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});
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});
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});
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