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import $ from 'jquery';
import autosize from 'autosize';
import GLForm from '~/gl_form';
import '~/lib/utils/text_utility';
import '~/lib/utils/common_utils';
describe('GLForm', () => {
const testContext = {};
describe('when instantiated', () => {
beforeEach(done => {
testContext.form = $('<form class="gfm-form"><textarea class="js-gfm-input"></form>');
testContext.textarea = testContext.form.find('textarea');
jest.spyOn($.prototype, 'off').mockReturnValue(testContext.textarea);
jest.spyOn($.prototype, 'on').mockReturnValue(testContext.textarea);
jest.spyOn($.prototype, 'css').mockImplementation(() => {});
testContext.glForm = new GLForm(testContext.form, false);
setImmediate(() => {
$.prototype.off.mockClear();
$.prototype.on.mockClear();
$.prototype.css.mockClear();
done();
});
});
describe('setupAutosize', () => {
beforeEach(done => {
testContext.glForm.setupAutosize();
setImmediate(() => {
done();
});
});
it('should register an autosize event handler on the textarea', () => {
expect($.prototype.off).toHaveBeenCalledWith('autosize:resized');
expect($.prototype.on).toHaveBeenCalledWith('autosize:resized', expect.any(Function));
});
it('should register a mouseup event handler on the textarea', () => {
expect($.prototype.off).toHaveBeenCalledWith('mouseup.autosize');
expect($.prototype.on).toHaveBeenCalledWith('mouseup.autosize', expect.any(Function));
});
it('should set the resize css property to vertical', () => {
jest.runOnlyPendingTimers();
expect($.prototype.css).toHaveBeenCalledWith('resize', 'vertical');
});
});
describe('setHeightData', () => {
beforeEach(() => {
jest.spyOn($.prototype, 'data').mockImplementation(() => {});
jest.spyOn($.prototype, 'outerHeight').mockReturnValue(200);
testContext.glForm.setHeightData();
});
it('should set the height data attribute', () => {
expect($.prototype.data).toHaveBeenCalledWith('height', 200);
});
it('should call outerHeight', () => {
expect($.prototype.outerHeight).toHaveBeenCalled();
});
});
describe('destroyAutosize', () => {
describe('when called', () => {
beforeEach(() => {
jest.spyOn($.prototype, 'data').mockImplementation(() => {});
jest.spyOn($.prototype, 'outerHeight').mockReturnValue(200);
window.outerHeight = () => 400;
jest.spyOn(autosize, 'destroy').mockImplementation(() => {});
testContext.glForm.destroyAutosize();
});
it('should call outerHeight', () => {
expect($.prototype.outerHeight).toHaveBeenCalled();
});
it('should get data-height attribute', () => {
expect($.prototype.data).toHaveBeenCalledWith('height');
});
it('should call autosize destroy', () => {
expect(autosize.destroy).toHaveBeenCalledWith(testContext.textarea);
});
it('should set the data-height attribute', () => {
expect($.prototype.data).toHaveBeenCalledWith('height', 200);
});
it('should set the outerHeight', () => {
expect($.prototype.outerHeight).toHaveBeenCalledWith(200);
});
it('should set the css', () => {
expect($.prototype.css).toHaveBeenCalledWith('max-height', window.outerHeight);
});
});
it('should return undefined if the data-height equals the outerHeight', () => {
jest.spyOn($.prototype, 'outerHeight').mockReturnValue(200);
jest.spyOn($.prototype, 'data').mockReturnValue(200);
jest.spyOn(autosize, 'destroy').mockImplementation(() => {});
expect(testContext.glForm.destroyAutosize()).toBeUndefined();
expect(autosize.destroy).not.toHaveBeenCalled();
});
});
});
});
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