155 lines
4.2 KiB
JavaScript
155 lines
4.2 KiB
JavaScript
import { createWrapper } from '@vue/test-utils';
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import { GlToggle } from '@gitlab/ui';
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import { initToggle } from '~/toggles';
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// Selectors
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const TOGGLE_WRAPPER_CLASS = '.gl-toggle-wrapper';
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const TOGGLE_LABEL_CLASS = '.gl-toggle-label';
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const CHECKED_CLASS = '.is-checked';
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const DISABLED_CLASS = '.is-disabled';
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const LOADING_CLASS = '.toggle-loading';
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const HELP_TEXT_SELECTOR = '[data-testid="toggle-help"]';
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// Toggle settings
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const toggleClassName = 'js-custom-toggle-class';
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const toggleLabel = 'Toggle label';
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describe('toggles/index.js', () => {
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let instance;
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let toggleWrapper;
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const createRootEl = (dataAttrs) => {
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const dataset = {
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label: toggleLabel,
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...dataAttrs,
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};
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const el = document.createElement('span');
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el.classList.add(toggleClassName);
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Object.entries(dataset).forEach(([key, value]) => {
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el.dataset[key] = value;
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});
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document.body.appendChild(el);
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return el;
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};
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const initToggleWithOptions = (options = {}) => {
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const el = createRootEl(options);
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instance = initToggle(el);
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toggleWrapper = document.querySelector(TOGGLE_WRAPPER_CLASS);
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};
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afterEach(() => {
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document.body.innerHTML = '';
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instance = null;
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toggleWrapper = null;
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});
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describe('initToggle', () => {
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describe('default state', () => {
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beforeEach(() => {
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initToggleWithOptions();
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});
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it('attaches a GlToggle to the element', async () => {
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expect(toggleWrapper).not.toBe(null);
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expect(toggleWrapper.querySelector(TOGGLE_LABEL_CLASS).textContent).toBe(toggleLabel);
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});
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it('passes CSS classes down to GlToggle', () => {
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expect(toggleWrapper.className).toContain(toggleClassName);
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});
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it('is not checked', () => {
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expect(toggleWrapper.querySelector(CHECKED_CLASS)).toBe(null);
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});
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it('is enabled', () => {
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expect(toggleWrapper.querySelector(DISABLED_CLASS)).toBe(null);
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});
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it('is not loading', () => {
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expect(toggleWrapper.querySelector(LOADING_CLASS)).toBe(null);
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});
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it('emits "change" event when value changes', () => {
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const wrapper = createWrapper(instance);
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const event = 'change';
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const listener = jest.fn();
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instance.$on(event, listener);
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expect(listener).toHaveBeenCalledTimes(0);
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wrapper.findComponent(GlToggle).vm.$emit(event, true);
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expect(listener).toHaveBeenCalledTimes(1);
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expect(listener).toHaveBeenLastCalledWith(true);
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wrapper.findComponent(GlToggle).vm.$emit(event, false);
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expect(listener).toHaveBeenCalledTimes(2);
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expect(listener).toHaveBeenLastCalledWith(false);
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});
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});
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describe('with custom options', () => {
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const name = 'toggle-name';
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const help = 'Help text';
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const foo = 'bar';
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const id = 'an-id';
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beforeEach(() => {
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initToggleWithOptions({
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name,
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id,
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isChecked: true,
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disabled: true,
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isLoading: true,
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help,
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labelPosition: 'hidden',
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foo,
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});
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toggleWrapper = document.querySelector(TOGGLE_WRAPPER_CLASS);
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});
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it('sets the custom name', () => {
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const input = toggleWrapper.querySelector('input[type="hidden"]');
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expect(input.name).toBe(name);
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});
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it('is checked', () => {
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expect(toggleWrapper.querySelector(CHECKED_CLASS)).not.toBe(null);
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});
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it('is disabled', () => {
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expect(toggleWrapper.querySelector(DISABLED_CLASS)).not.toBe(null);
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});
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it('is loading', () => {
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expect(toggleWrapper.querySelector(LOADING_CLASS)).not.toBe(null);
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});
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it('sets the custom help text', () => {
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expect(toggleWrapper.querySelector(HELP_TEXT_SELECTOR).textContent).toBe(help);
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});
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it('hides the label', () => {
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expect(
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toggleWrapper.querySelector(TOGGLE_LABEL_CLASS).classList.contains('gl-sr-only'),
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).toBe(true);
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});
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it('passes custom dataset to the wrapper', () => {
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expect(toggleWrapper.dataset.foo).toBe('bar');
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});
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it('passes an id to the wrapper', () => {
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expect(toggleWrapper.id).toBe(id);
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});
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});
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});
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});
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