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import Vue from 'vue';
import { mountComponentWithSlots } from 'helpers/vue_mount_component_helper';
import dropdownButtonComponent from '~/vue_shared/components/dropdown/dropdown_button.vue';
const defaultLabel = 'Select';
const customLabel = 'Select project';
const createComponent = (props, slots = {}) => {
const Component = Vue.extend(dropdownButtonComponent);
return mountComponentWithSlots(Component, { props, slots });
};
describe('DropdownButtonComponent', () => {
let vm;
beforeEach(() => {
vm = createComponent();
});
afterEach(() => {
vm.$destroy();
});
describe('computed', () => {
describe('dropdownToggleText', () => {
it('returns default toggle text', () => {
expect(vm.toggleText).toBe(defaultLabel);
});
it('returns custom toggle text when provided via props', () => {
const vmEmptyLabels = createComponent({ toggleText: customLabel });
expect(vmEmptyLabels.toggleText).toBe(customLabel);
vmEmptyLabels.$destroy();
});
});
});
describe('template', () => {
it('renders component container element of type `button`', () => {
expect(vm.$el.nodeName).toBe('BUTTON');
});
it('renders component container element with required data attributes', () => {
expect(vm.$el.dataset.abilityName).toBe(vm.abilityName);
expect(vm.$el.dataset.fieldName).toBe(vm.fieldName);
expect(vm.$el.dataset.issueUpdate).toBe(vm.updatePath);
expect(vm.$el.dataset.labels).toBe(vm.labelsPath);
expect(vm.$el.dataset.namespacePath).toBe(vm.namespace);
expect(vm.$el.dataset.showAny).not.toBeDefined();
});
it('renders dropdown toggle text element', () => {
const dropdownToggleTextEl = vm.$el.querySelector('.dropdown-toggle-text');
expect(dropdownToggleTextEl).not.toBeNull();
expect(dropdownToggleTextEl.innerText.trim()).toBe(defaultLabel);
});
it('renders dropdown button icon', () => {
const dropdownIconEl = vm.$el.querySelector('.dropdown-toggle-icon i.fa');
expect(dropdownIconEl).not.toBeNull();
expect(dropdownIconEl.classList.contains('fa-chevron-down')).toBe(true);
});
it('renders slot, if default slot exists', () => {
vm = createComponent(
{},
{
default: ['Lorem Ipsum Dolar'],
},
);
expect(vm.$el.querySelector('.dropdown-toggle-text')).toBeNull();
expect(vm.$el).toHaveText('Lorem Ipsum Dolar');
});
});
});
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