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import Vue from 'vue';
import mountComponent from 'helpers/vue_mount_component_helper';
import dropdownButtonComponent from '~/vue_shared/components/sidebar/labels_select/dropdown_button.vue';
import {
mockConfig,
mockLabels,
} from '../../../../../javascripts/vue_shared/components/sidebar/labels_select/mock_data';
const componentConfig = Object.assign({}, mockConfig, {
fieldName: 'label_id[]',
labels: mockLabels,
showExtraOptions: false,
});
const createComponent = (config = componentConfig) => {
const Component = Vue.extend(dropdownButtonComponent);
return mountComponent(Component, config);
};
describe('DropdownButtonComponent', () => {
let vm;
beforeEach(() => {
vm = createComponent();
});
afterEach(() => {
vm.$destroy();
});
describe('computed', () => {
describe('dropdownToggleText', () => {
it('returns text as `Label` when `labels` prop is empty array', () => {
const mockEmptyLabels = Object.assign({}, componentConfig, { labels: [] });
const vmEmptyLabels = createComponent(mockEmptyLabels);
expect(vmEmptyLabels.dropdownToggleText).toBe('Label');
vmEmptyLabels.$destroy();
});
it('returns first label name with remaining label count when `labels` prop has more than one item', () => {
const mockMoreLabels = Object.assign({}, componentConfig, {
labels: mockLabels.concat(mockLabels),
});
const vmMoreLabels = createComponent(mockMoreLabels);
expect(vmMoreLabels.dropdownToggleText).toBe(
`Foo Label +${mockMoreLabels.labels.length - 1} more`,
);
vmMoreLabels.$destroy();
});
it('returns first label name when `labels` prop has only one item present', () => {
const singleLabel = Object.assign({}, componentConfig, {
labels: [mockLabels[0]],
});
const vmSingleLabel = createComponent(singleLabel);
expect(vmSingleLabel.dropdownToggleText).toBe(mockLabels[0].title);
vmSingleLabel.$destroy();
});
});
});
describe('template', () => {
it('renders component container element of type `button`', () => {
expect(vm.$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.$el.querySelector('.dropdown-toggle-text');
expect(dropdownToggleTextEl).not.toBeNull();
expect(dropdownToggleTextEl.innerText.trim()).toBe('Foo Label +1 more');
});
it('renders dropdown button icon', () => {
const dropdownIconEl = vm.$el.querySelector('i.fa');
expect(dropdownIconEl).not.toBeNull();
expect(dropdownIconEl.classList.contains('fa-chevron-down')).toBe(true);
});
});
});
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