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import { shallowMount } from '@vue/test-utils';
import LoadingButton from '~/vue_shared/components/loading_button.vue';
const LABEL = 'Hello';
describe('LoadingButton', () => {
let wrapper;
afterEach(() => {
wrapper.destroy();
});
const buildWrapper = (propsData = {}) => {
wrapper = shallowMount(LoadingButton, {
propsData,
});
};
const findButtonLabel = () => wrapper.find('.js-loading-button-label');
const findButtonIcon = () => wrapper.find('.js-loading-button-icon');
describe('loading spinner', () => {
it('shown when loading', () => {
buildWrapper({ loading: true });
expect(findButtonIcon().exists()).toBe(true);
});
});
describe('disabled state', () => {
it('disabled when loading', () => {
buildWrapper({ loading: true });
expect(wrapper.attributes('disabled')).toBe('disabled');
});
it('not disabled when normal', () => {
buildWrapper({ loading: false });
expect(wrapper.attributes('disabled')).toBe(undefined);
});
});
describe('label', () => {
it('shown when normal', () => {
buildWrapper({ loading: false, label: LABEL });
expect(findButtonLabel().text()).toBe(LABEL);
});
it('shown when loading', () => {
buildWrapper({ loading: false, label: LABEL });
expect(findButtonLabel().text()).toBe(LABEL);
});
});
describe('container class', () => {
it('should default to btn btn-align-content', () => {
buildWrapper();
expect(wrapper.classes()).toContain('btn');
expect(wrapper.classes()).toContain('btn-align-content');
});
it('should be configurable through props', () => {
const containerClass = 'test-class';
buildWrapper({
containerClass,
});
expect(wrapper.classes()).not.toContain('btn');
expect(wrapper.classes()).not.toContain('btn-align-content');
expect(wrapper.classes()).toContain(containerClass);
});
});
describe('click callback prop', () => {
it('calls given callback when normal', () => {
buildWrapper({
loading: false,
});
wrapper.trigger('click');
return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted('click')).toBeTruthy();
});
});
it('does not call given callback when disabled because of loading', () => {
buildWrapper({
loading: true,
});
wrapper.trigger('click');
return wrapper.vm.$nextTick().then(() => {
expect(wrapper.emitted('click')).toBeFalsy();
});
});
});
});
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