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import $ from 'jquery';
import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import axios from '~/lib/utils/axios_utils';
import TaskList from '~/task_list';
describe('TaskList', () => {
let taskList;
let currentTarget;
const taskListOptions = {
selector: '.task-list',
dataType: 'issue',
fieldName: 'description',
lockVersion: 2,
};
const createTaskList = () => new TaskList(taskListOptions);
beforeEach(() => {
setHTMLFixture(`
<div class="task-list">
<div class="js-task-list-container">
<ul data-sourcepos="5:1-5:11" class="task-list" dir="auto">
<li data-sourcepos="5:1-5:11" class="task-list-item enabled">
<input type="checkbox" class="task-list-item-checkbox" checked=""> markdown task
</li>
</ul>
<ul class="task-list" dir="auto">
<li class="task-list-item enabled">
<input type="checkbox" class="task-list-item-checkbox"> hand-coded checkbox
</li>
</ul>
<textarea class="hidden js-task-list-field"></textarea>
</div>
</div>
`);
currentTarget = $('<div></div>');
taskList = createTaskList();
});
afterEach(() => {
resetHTMLFixture();
});
it('should call init when the class constructed', () => {
jest.spyOn(TaskList.prototype, 'init');
jest.spyOn(TaskList.prototype, 'disable').mockImplementation(() => {});
jest.spyOn($.prototype, 'taskList').mockImplementation(() => {});
jest.spyOn($.prototype, 'on').mockImplementation(() => {});
taskList = createTaskList();
const $taskListEl = $(taskList.taskListContainerSelector);
expect(taskList.init).toHaveBeenCalled();
expect(taskList.disable).toHaveBeenCalled();
expect($taskListEl.taskList).toHaveBeenCalledWith('enable');
expect($(document).on).toHaveBeenCalledWith(
'tasklist:changed',
taskList.taskListContainerSelector,
taskList.updateHandler,
);
});
describe('getTaskListTarget', () => {
it('should return currentTarget from event object if exists', () => {
const $target = taskList.getTaskListTarget({ currentTarget });
expect($target).toEqual(currentTarget);
});
it('should return element of the taskListContainerSelector', () => {
const $target = taskList.getTaskListTarget();
expect($target).toEqual($(taskList.taskListContainerSelector));
});
});
describe('disableTaskListItems', () => {
it('should call taskList method with disable param', () => {
taskList.disableTaskListItems();
expect(document.querySelectorAll('.task-list-item input:disabled').length).toEqual(2);
});
});
describe('enableTaskListItems', () => {
it('should enable markdown tasks and disable non-markdown tasks', () => {
taskList.disableTaskListItems();
taskList.enableTaskListItems();
expect(document.querySelectorAll('.task-list-item input:enabled').length).toEqual(1);
expect(document.querySelectorAll('.task-list-item input:disabled').length).toEqual(1);
});
});
describe('enable', () => {
it('should enable task list items and on document event', () => {
jest.spyOn($.prototype, 'on').mockImplementation(() => {});
taskList.enable();
expect(document.querySelectorAll('.task-list-item input:enabled').length).toEqual(1);
expect(document.querySelectorAll('.task-list-item input:disabled').length).toEqual(1);
expect($(document).on).toHaveBeenCalledWith(
'tasklist:changed',
taskList.taskListContainerSelector,
taskList.updateHandler,
);
});
});
describe('disable', () => {
it('should disable task list items and off document event', () => {
jest.spyOn($.prototype, 'off').mockImplementation(() => {});
taskList.disable();
expect(document.querySelectorAll('.task-list-item input:disabled').length).toEqual(2);
expect($(document).off).toHaveBeenCalledWith(
'tasklist:changed',
taskList.taskListContainerSelector,
);
});
});
describe('update', () => {
it('should disable task list items and make a patch request then enable them again', () => {
const response = { data: { lock_version: 3 } };
jest.spyOn(taskList, 'enableTaskListItems').mockImplementation(() => {});
jest.spyOn(taskList, 'disableTaskListItems').mockImplementation(() => {});
jest.spyOn(taskList, 'onUpdate').mockImplementation(() => {});
jest.spyOn(taskList, 'onSuccess').mockImplementation(() => {});
jest.spyOn(axios, 'patch').mockReturnValue(Promise.resolve(response));
const value = 'hello world';
const endpoint = '/foo';
const target = $(`<input data-update-url="${endpoint}" value="${value}" />`);
const detail = {
index: 2,
checked: true,
lineNumber: 8,
lineSource: '- [ ] check item',
};
const event = { target, detail };
const patchData = {
[taskListOptions.dataType]: {
[taskListOptions.fieldName]: value,
lock_version: taskListOptions.lockVersion,
update_task: {
index: detail.index,
checked: detail.checked,
line_number: detail.lineNumber,
line_source: detail.lineSource,
},
},
};
const update = taskList.update(event);
expect(taskList.onUpdate).toHaveBeenCalled();
return update.then(() => {
expect(taskList.disableTaskListItems).toHaveBeenCalledWith(event);
expect(axios.patch).toHaveBeenCalledWith(endpoint, patchData);
expect(taskList.enableTaskListItems).toHaveBeenCalledWith(event);
expect(taskList.onSuccess).toHaveBeenCalledWith(response.data);
expect(taskList.lockVersion).toEqual(response.data.lock_version);
});
});
});
it('should handle request error and enable task list items', () => {
const response = { data: { error: 1 } };
jest.spyOn(taskList, 'enableTaskListItems').mockImplementation(() => {});
jest.spyOn(taskList, 'onUpdate').mockImplementation(() => {});
jest.spyOn(taskList, 'onError').mockImplementation(() => {});
jest.spyOn(axios, 'patch').mockReturnValue(Promise.reject({ response })); // eslint-disable-line prefer-promise-reject-errors
const event = { detail: {} };
const update = taskList.update(event);
expect(taskList.onUpdate).toHaveBeenCalled();
return update.then(() => {
expect(taskList.enableTaskListItems).toHaveBeenCalledWith(event);
expect(taskList.onError).toHaveBeenCalledWith(response.data);
});
});
});
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