128 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
import $ from 'jquery';
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import setupToggleButtons from '~/toggle_buttons';
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import getSetTimeoutPromise from './helpers/set_timeout_promise_helper';
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function generateMarkup(isChecked = true) {
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  return `
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    <button type="button" class="${isChecked ? 'is-checked' : ''} js-project-feature-toggle">
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      <input type="hidden" class="js-project-feature-toggle-input" value="${isChecked}" />
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    </button>
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  `;
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}
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function setupFixture(isChecked, clickCallback) {
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  const wrapper = document.createElement('div');
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  wrapper.innerHTML = generateMarkup(isChecked);
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  setupToggleButtons(wrapper, clickCallback);
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  return wrapper;
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}
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describe('ToggleButtons', () => {
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  describe('when input value is true', () => {
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    it('should initialize as checked', () => {
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      const wrapper = setupFixture(true);
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      expect(
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        wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked'),
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      ).toEqual(true);
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      expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
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    });
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    it('should toggle to unchecked when clicked', done => {
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      const wrapper = setupFixture(true);
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      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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      toggleButton.click();
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      getSetTimeoutPromise()
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        .then(() => {
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          expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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          expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
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        })
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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('when input value is false', () => {
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    it('should initialize as unchecked', () => {
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      const wrapper = setupFixture(false);
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      expect(
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        wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked'),
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      ).toEqual(false);
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      expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
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    });
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    it('should toggle to checked when clicked', done => {
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      const wrapper = setupFixture(false);
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      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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      toggleButton.click();
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      getSetTimeoutPromise()
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        .then(() => {
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          expect(toggleButton.classList.contains('is-checked')).toEqual(true);
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          expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
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        })
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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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  it('should emit `trigger-change` event', done => {
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    const changeSpy = jasmine.createSpy('changeEventHandler');
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    const wrapper = setupFixture(false);
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    const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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    const input = wrapper.querySelector('.js-project-feature-toggle-input');
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    $(input).on('trigger-change', changeSpy);
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    toggleButton.click();
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    getSetTimeoutPromise()
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      .then(() => {
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        expect(changeSpy).toHaveBeenCalled();
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      })
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      .then(done)
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      .catch(done.fail);
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  });
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  describe('clickCallback', () => {
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    it('should show loading indicator while waiting', done => {
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      const isChecked = true;
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      const clickCallback = (newValue, toggleButton) => {
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        const input = toggleButton.querySelector('.js-project-feature-toggle-input');
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        expect(newValue).toEqual(false);
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        // Check for the loading state
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        expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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        expect(toggleButton.classList.contains('is-loading')).toEqual(true);
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        expect(toggleButton.disabled).toEqual(true);
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        expect(input.value).toEqual('true');
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        // After the callback finishes, check that the loading state is gone
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        getSetTimeoutPromise()
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          .then(() => {
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            expect(toggleButton.classList.contains('is-checked')).toEqual(false);
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            expect(toggleButton.classList.contains('is-loading')).toEqual(false);
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            expect(toggleButton.disabled).toEqual(false);
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            expect(input.value).toEqual('false');
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          })
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          .then(done)
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          .catch(done.fail);
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      };
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      const wrapper = setupFixture(isChecked, clickCallback);
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      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
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      toggleButton.click();
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    });
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  });
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});
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