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import Vue from 'vue';
import CompareVersionsComponent from '~/diffs/components/compare_versions.vue';
import store from '~/mr_notes/stores';
import { createComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
import diffsMockData from '../mock_data/merge_request_diffs';
describe('CompareVersions', () => {
let vm;
const targetBranch = { branchName: 'tmp-wine-dev', versionIndex: -1 };
beforeEach(() => {
vm = createComponentWithStore(Vue.extend(CompareVersionsComponent), store, {
mergeRequestDiffs: diffsMockData,
mergeRequestDiff: diffsMockData[0],
targetBranch,
}).$mount();
});
describe('template', () => {
it('should render Tree List toggle button with correct attribute values', () => {
const treeListBtn = vm.$el.querySelector('.js-toggle-tree-list');
expect(treeListBtn).not.toBeNull();
expect(treeListBtn.dataset.originalTitle).toBe('Toggle file browser');
expect(treeListBtn.querySelectorAll('svg use').length).not.toBe(0);
expect(treeListBtn.querySelector('svg use').getAttribute('xlink:href')).toContain(
'#hamburger',
);
});
it('should render comparison dropdowns with correct values', () => {
const sourceDropdown = vm.$el.querySelector('.mr-version-dropdown');
const targetDropdown = vm.$el.querySelector('.mr-version-compare-dropdown');
expect(sourceDropdown).not.toBeNull();
expect(targetDropdown).not.toBeNull();
expect(sourceDropdown.querySelector('a span').innerHTML).toContain('latest version');
expect(targetDropdown.querySelector('a span').innerHTML).toContain(targetBranch.branchName);
});
it('should not render comparison dropdowns if no mergeRequestDiffs are specified', () => {
vm.mergeRequestDiffs = [];
vm.$nextTick(() => {
const sourceDropdown = vm.$el.querySelector('.mr-version-dropdown');
const targetDropdown = vm.$el.querySelector('.mr-version-compare-dropdown');
expect(sourceDropdown).toBeNull();
expect(targetDropdown).toBeNull();
});
});
it('should render whitespace toggle button with correct attributes', () => {
const whitespaceBtn = vm.$el.querySelector('.qa-toggle-whitespace');
const href = vm.toggleWhitespacePath;
expect(whitespaceBtn).not.toBeNull();
expect(whitespaceBtn.getAttribute('href')).toEqual(href);
expect(whitespaceBtn.innerHTML).toContain('Hide whitespace changes');
});
it('should render view types buttons with correct values', () => {
const inlineBtn = vm.$el.querySelector('#inline-diff-btn');
const parallelBtn = vm.$el.querySelector('#parallel-diff-btn');
expect(inlineBtn).not.toBeNull();
expect(parallelBtn).not.toBeNull();
expect(inlineBtn.dataset.viewType).toEqual('inline');
expect(parallelBtn.dataset.viewType).toEqual('parallel');
expect(inlineBtn.innerHTML).toContain('Inline');
expect(parallelBtn.innerHTML).toContain('Side-by-side');
});
});
describe('setInlineDiffViewType', () => {
it('should persist the view type in the url', () => {
const viewTypeBtn = vm.$el.querySelector('#inline-diff-btn');
viewTypeBtn.click();
expect(window.location.toString()).toContain('?view=inline');
});
});
describe('setParallelDiffViewType', () => {
it('should persist the view type in the url', () => {
const viewTypeBtn = vm.$el.querySelector('#parallel-diff-btn');
viewTypeBtn.click();
expect(window.location.toString()).toContain('?view=parallel');
});
});
describe('comparableDiffs', () => {
it('should not contain the first item in the mergeRequestDiffs property', () => {
const { comparableDiffs } = vm;
const comparableDiffsMock = diffsMockData.slice(1);
expect(comparableDiffs).toEqual(comparableDiffsMock);
});
});
describe('isWhitespaceVisible', () => {
const originalHref = window.location.href;
afterEach(() => {
window.history.replaceState({}, null, originalHref);
});
it('should return "true" when no "w" flag is present in the URL (default)', () => {
expect(vm.isWhitespaceVisible()).toBe(true);
});
it('should return "false" when the flag is set to "1" in the URL', () => {
window.history.replaceState({}, null, '?w=1');
expect(vm.isWhitespaceVisible()).toBe(false);
});
it('should return "true" when the flag is set to "0" in the URL', () => {
window.history.replaceState({}, null, '?w=0');
expect(vm.isWhitespaceVisible()).toBe(true);
});
});
});
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