114 lines
3.5 KiB
JavaScript
114 lines
3.5 KiB
JavaScript
import _ from 'underscore';
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import DirtySubmitForm from '~/dirty_submit/dirty_submit_form';
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import { getInputValue, setInputValue, createForm } from './helper';
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function expectToToggleDisableOnDirtyUpdate(submit, input) {
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const originalValue = getInputValue(input);
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expect(submit.disabled).toBe(true);
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return setInputValue(input, `${originalValue} changes`)
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.then(() => expect(submit.disabled).toBe(false))
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.then(() => setInputValue(input, originalValue))
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.then(() => expect(submit.disabled).toBe(true));
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}
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describe('DirtySubmitForm', () => {
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const originalThrottleDuration = DirtySubmitForm.THROTTLE_DURATION;
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describe('submit button tests', () => {
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beforeEach(() => {
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DirtySubmitForm.THROTTLE_DURATION = 0;
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});
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afterEach(() => {
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DirtySubmitForm.THROTTLE_DURATION = originalThrottleDuration;
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});
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it('disables submit until there are changes', done => {
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const { form, input, submit } = createForm();
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new DirtySubmitForm(form); // eslint-disable-line no-new
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return expectToToggleDisableOnDirtyUpdate(submit, input)
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.then(done)
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.catch(done.fail);
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});
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it('disables submit until there are changes when initializing with a falsy value', done => {
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const { form, input, submit } = createForm();
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input.value = '';
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new DirtySubmitForm(form); // eslint-disable-line no-new
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return expectToToggleDisableOnDirtyUpdate(submit, input)
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.then(done)
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.catch(done.fail);
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});
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it('disables submit until there are changes for radio inputs', done => {
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const { form, input, submit } = createForm('radio');
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new DirtySubmitForm(form); // eslint-disable-line no-new
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return expectToToggleDisableOnDirtyUpdate(submit, input)
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.then(done)
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.catch(done.fail);
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});
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it('disables submit until there are changes for checkbox inputs', done => {
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const { form, input, submit } = createForm('checkbox');
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new DirtySubmitForm(form); // eslint-disable-line no-new
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return expectToToggleDisableOnDirtyUpdate(submit, input)
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.then(done)
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.catch(done.fail);
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});
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});
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describe('throttling tests', () => {
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beforeEach(() => {
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jasmine.clock().install();
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DirtySubmitForm.THROTTLE_DURATION = 100;
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});
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afterEach(() => {
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jasmine.clock().uninstall();
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DirtySubmitForm.THROTTLE_DURATION = originalThrottleDuration;
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});
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it('throttles updates when rapid changes are made to a single form element', () => {
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const { form, input } = createForm();
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const updateDirtyInputSpy = spyOn(new DirtySubmitForm(form), 'updateDirtyInput');
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_.range(10).forEach(i => {
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setInputValue(input, `change ${i}`, false);
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});
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jasmine.clock().tick(101);
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expect(updateDirtyInputSpy).toHaveBeenCalledTimes(2);
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});
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it('does not throttle updates when rapid changes are made to different form elements', () => {
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const form = document.createElement('form');
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const range = _.range(10);
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range.forEach(i => {
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form.innerHTML += `<input type="text" name="input-${i}" class="js-input-${i}"/>`;
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});
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const updateDirtyInputSpy = spyOn(new DirtySubmitForm(form), 'updateDirtyInput');
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range.forEach(i => {
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const input = form.querySelector(`.js-input-${i}`);
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setInputValue(input, `change`, false);
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});
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jasmine.clock().tick(101);
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expect(updateDirtyInputSpy).toHaveBeenCalledTimes(range.length);
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});
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});
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});
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