dropdownMenu.spec.jsx 6.9 KB

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  1. import React from 'react';
  2. import {mount} from 'enzyme';
  3. import DropdownMenu from 'app/components/dropdownMenu';
  4. jest.useFakeTimers();
  5. describe('DropdownMenu', function() {
  6. let wrapper;
  7. beforeEach(function() {
  8. wrapper = mount(
  9. <DropdownMenu>
  10. {({getRootProps, getActorProps, getMenuProps, isOpen}) => {
  11. return (
  12. <span {...getRootProps({})}>
  13. <button {...getActorProps({})}>Open Dropdown</button>
  14. {isOpen && (
  15. <ul {...getMenuProps({})}>
  16. <li>Dropdown Menu Item 1</li>
  17. </ul>
  18. )}
  19. </span>
  20. );
  21. }}
  22. </DropdownMenu>
  23. );
  24. });
  25. it('renders', function() {
  26. expect(wrapper).toMatchSnapshot();
  27. });
  28. it('can toggle dropdown menu with actor', function() {
  29. wrapper.find('button').simulate('click');
  30. expect(wrapper.state('isOpen')).toBe(true);
  31. expect(wrapper.find('ul')).toHaveLength(1);
  32. wrapper.find('button').simulate('click');
  33. expect(wrapper.state('isOpen')).toBe(false);
  34. expect(wrapper.find('ul')).toHaveLength(0);
  35. });
  36. it('closes dropdown when clicking on anything in menu', function() {
  37. wrapper.find('button').simulate('click');
  38. wrapper.find('li').simulate('click');
  39. expect(wrapper.state('isOpen')).toBe(false);
  40. expect(wrapper.find('ul')).toHaveLength(0);
  41. });
  42. it('closes dropdown when clicking outside of menu', function() {
  43. wrapper.find('button').simulate('click');
  44. // Simulate click on document
  45. const evt = document.createEvent('HTMLEvents');
  46. evt.initEvent('click', false, true);
  47. document.body.dispatchEvent(evt);
  48. wrapper.update();
  49. expect(wrapper.find('ul')).toHaveLength(0);
  50. });
  51. it('closes dropdown when pressing escape', function() {
  52. wrapper.find('button').simulate('click');
  53. expect(wrapper.state('isOpen')).toBe(true);
  54. wrapper.simulate('keyDown', {key: 'Escape'});
  55. wrapper.find('button').simulate('keyDown', {key: 'Escape'});
  56. expect(wrapper.state('isOpen')).toBe(false);
  57. expect(wrapper.find('ul')).toHaveLength(0);
  58. });
  59. it('ignores "Escape" key if `closeOnEscape` is false', function() {
  60. wrapper = mount(
  61. <DropdownMenu closeOnEscape={false}>
  62. {({getRootProps, getActorProps, getMenuProps, isOpen}) => {
  63. return (
  64. <span {...getRootProps({})}>
  65. <button {...getActorProps({})}>Open Dropdown</button>
  66. {isOpen && (
  67. <ul {...getMenuProps({})}>
  68. <li>Dropdown Menu Item 1</li>
  69. </ul>
  70. )}
  71. </span>
  72. );
  73. }}
  74. </DropdownMenu>
  75. );
  76. wrapper.find('button').simulate('click');
  77. expect(wrapper.state('isOpen')).toBe(true);
  78. wrapper.find('button').simulate('keyDown', {key: 'Escape'});
  79. expect(wrapper.find('ul')).toHaveLength(1);
  80. expect(wrapper.state('isOpen')).toBe(true);
  81. });
  82. it('keeps dropdown open when clicking on anything in menu with `keepMenuOpen` prop', function() {
  83. wrapper = mount(
  84. <DropdownMenu keepMenuOpen>
  85. {({getRootProps, getActorProps, getMenuProps, isOpen}) => {
  86. return (
  87. <span {...getRootProps({})}>
  88. <button {...getActorProps({})}>Open Dropdown</button>
  89. {isOpen && (
  90. <ul {...getMenuProps({})}>
  91. <li>Dropdown Menu Item 1</li>
  92. </ul>
  93. )}
  94. </span>
  95. );
  96. }}
  97. </DropdownMenu>
  98. );
  99. wrapper.find('button').simulate('click');
  100. wrapper.find('li').simulate('click');
  101. expect(wrapper.state('isOpen')).toBe(true);
  102. expect(wrapper.find('ul')).toHaveLength(1);
  103. });
  104. it('render prop getters all extend props and call original onClick handlers', function() {
  105. let rootClick = jest.fn();
  106. let actorClick = jest.fn();
  107. let menuClick = jest.fn();
  108. let addSpy = jest.spyOn(document, 'addEventListener');
  109. let removeSpy = jest.spyOn(document, 'removeEventListener');
  110. wrapper = mount(
  111. <DropdownMenu keepMenuOpen>
  112. {({getRootProps, getActorProps, getMenuProps, isOpen}) => {
  113. return (
  114. <span
  115. {...getRootProps({
  116. className: 'root',
  117. onClick: rootClick,
  118. })}
  119. >
  120. <button
  121. {...getActorProps({
  122. className: 'actor',
  123. onClick: actorClick,
  124. })}
  125. >
  126. Open Dropdown
  127. </button>
  128. {isOpen && (
  129. <ul
  130. {...getMenuProps({
  131. className: 'menu',
  132. onClick: menuClick,
  133. })}
  134. >
  135. <li>Dropdown Menu Item 1</li>
  136. </ul>
  137. )}
  138. </span>
  139. );
  140. }}
  141. </DropdownMenu>
  142. );
  143. expect(wrapper.find('ul')).toHaveLength(0);
  144. wrapper.find('span').simulate('click');
  145. expect(rootClick).toHaveBeenCalled();
  146. wrapper.find('button').simulate('click');
  147. expect(actorClick).toHaveBeenCalled();
  148. wrapper.find('li').simulate('click');
  149. expect(menuClick).toHaveBeenCalled();
  150. // breaks in jest22
  151. // expect(wrapper).toMatchSnapshot();
  152. expect(wrapper.find('ul')).toHaveLength(1);
  153. expect(document.addEventListener).toHaveBeenCalled();
  154. wrapper.unmount();
  155. expect(document.removeEventListener).toHaveBeenCalled();
  156. addSpy.mockRestore();
  157. removeSpy.mockRestore();
  158. });
  159. it('always rendered menus should attach document event listeners only when opened', function() {
  160. let addSpy = jest.spyOn(document, 'addEventListener');
  161. let removeSpy = jest.spyOn(document, 'removeEventListener');
  162. wrapper = mount(
  163. <DropdownMenu alwaysRenderMenu>
  164. {({getRootProps, getActorProps, getMenuProps, isOpen}) => {
  165. return (
  166. <span
  167. {...getRootProps({
  168. className: 'root',
  169. })}
  170. >
  171. <button
  172. {...getActorProps({
  173. className: 'actor',
  174. })}
  175. >
  176. Open Dropdown
  177. </button>
  178. <ul
  179. {...getMenuProps({
  180. className: 'menu',
  181. })}
  182. >
  183. <li>Dropdown Menu Item 1</li>
  184. </ul>
  185. </span>
  186. );
  187. }}
  188. </DropdownMenu>
  189. );
  190. // Make sure this is only called when menu is open
  191. expect(document.addEventListener).not.toHaveBeenCalled();
  192. wrapper.find('button').simulate('click');
  193. expect(wrapper.state('isOpen')).toBe(true);
  194. expect(document.addEventListener).toHaveBeenCalled();
  195. expect(document.removeEventListener).not.toHaveBeenCalled();
  196. wrapper.find('button').simulate('click');
  197. expect(wrapper.state('isOpen')).toBe(false);
  198. expect(document.removeEventListener).toHaveBeenCalled();
  199. addSpy.mockRestore();
  200. removeSpy.mockRestore();
  201. });
  202. });