FilesExpand file tree

 master

/

tab-group.test.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

241 lines (186 loc) · 7.09 KB

 master

/

tab-group.test.js

Copy path

Top

File metadata and controls

• Code
• Blame

241 lines (186 loc) · 7.09 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

import React from 'react';

import {mount} from 'enzyme';

import TabGroup from '../lib/tab-group';

import {TabbableInput} from '../lib/views/tabbable';

describe('TabGroup', function() {

let atomEnv, root;

beforeEach(function() {

atomEnv = global.buildAtomEnvironment();

root = document.createElement('div');

document.body.appendChild(root);

});

afterEach(function() {

root.remove();

atomEnv.destroy();

});

describe('with tabbable elements', function() {

let group, zero, one, two, currentFocus, skip;

beforeEach(function() {

group = new TabGroup();

mount(

<div>

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="zero" />

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="one" />

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="two" />

</div>,

{attachTo: root},

);

zero = root.querySelector('#zero');

one = root.querySelector('#one');

two = root.querySelector('#two');

skip = new Set();

sinon.stub(zero, 'focus').callsFake(() => {

if (!skip.has(zero)) {

currentFocus = zero;

}

});

sinon.stub(one, 'focus').callsFake(() => {

if (!skip.has(one)) {

currentFocus = one;

}

});

sinon.stub(two, 'focus').callsFake(() => {

if (!skip.has(two)) {

currentFocus = two;

}

});

sinon.stub(group, 'getCurrentFocus').callsFake(() => currentFocus);

});

it('appends elements into a doubly-linked circular list', function() {

let current = zero;

current = group.after(current);

assert.strictEqual(current.id, 'one');

current = group.after(current);

assert.strictEqual(current.id, 'two');

current = group.after(current);

assert.strictEqual(current.id, 'zero');

current = group.before(current);

assert.strictEqual(current.id, 'two');

current = group.before(current);

assert.strictEqual(current.id, 'one');

current = group.before(current);

assert.strictEqual(current.id, 'zero');

current = group.before(current);

assert.strictEqual(current.id, 'two');

});

it('brings focus to a successor element, wrapping around at the end', function() {

group.focusAfter(zero);

assert.strictEqual(one.focus.callCount, 1);

group.focusAfter(one);

assert.strictEqual(two.focus.callCount, 1);

group.focusAfter(two);

assert.strictEqual(zero.focus.callCount, 1);

});

it('skips elements that do not receive focus when moving forward', function() {

skip.add(one);

group.focusAfter(zero);

assert.strictEqual(two.focus.callCount, 1);

});

it('is a no-op with unregistered elements', function() {

const unregistered = document.createElement('div');

group.focusAfter(unregistered);

group.focusBefore(unregistered);

assert.isFalse(zero.focus.called);

assert.isFalse(one.focus.called);

assert.isFalse(two.focus.called);

});

it('brings focus to a predecessor element, wrapping around at the beginning', function() {

group.focusBefore(zero);

assert.strictEqual(two.focus.callCount, 1);

group.focusBefore(two);

assert.strictEqual(one.focus.callCount, 1);

group.focusBefore(one);

assert.strictEqual(zero.focus.callCount, 1);

});

it('skips elements that do not receive focus when moving backwards', function() {

skip.add(one);

group.focusBefore(two);

assert.strictEqual(zero.focus.callCount, 1);

});

describe('removing elements', function() {

it('is a no-op for elements that are not present', function() {

const unregistered = document.createElement('div');

group.removeElement(unregistered);

});

it('removes the first element', function() {

group.removeElement(zero);

// No-op

group.focusAfter(zero);

assert.isFalse(zero.focus.called);

assert.isFalse(one.focus.called);

assert.isFalse(two.focus.called);

group.focusAfter(one);

assert.strictEqual(two.focus.callCount, 1);

group.focusAfter(two);

assert.strictEqual(one.focus.callCount, 1);

group.focusBefore(two);

assert.strictEqual(one.focus.callCount, 2);

group.focusBefore(one);

assert.strictEqual(two.focus.callCount, 2);

});

it('removes an interior element', function() {

group.removeElement(one);

group.focusAfter(zero);

assert.strictEqual(two.focus.callCount, 1);

group.focusAfter(two);

assert.strictEqual(zero.focus.callCount, 1);

group.focusBefore(two);

assert.strictEqual(zero.focus.callCount, 2);

group.focusBefore(zero);

assert.strictEqual(two.focus.callCount, 2);

});

it('removes the final element', function() {

group.removeElement(two);

group.focusAfter(zero);

assert.strictEqual(one.focus.callCount, 1);

group.focusAfter(one);

assert.strictEqual(zero.focus.callCount, 1);

group.focusBefore(zero);

assert.strictEqual(one.focus.callCount, 2);

group.focusBefore(one);

assert.strictEqual(zero.focus.callCount, 2);

});

});

});

describe('autofocus', function() {

it('brings focus to the first rendered element with autofocus', function() {

const group = new TabGroup();

mount(

<div>

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="zero" />

{false && <TabbableInput tabGroup={group} commands={atomEnv.commands} autofocus type="text" id="missing" />}

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="one" />

<TabbableInput tabGroup={group} commands={atomEnv.commands} autofocus type="text" id="two" />

<TabbableInput tabGroup={group} commands={atomEnv.commands} autofocus type="text" id="three" />

</div>,

{attachTo: root},

);

const elements = ['zero', 'one', 'two', 'three'].map(id => document.getElementById(id));

for (const element of elements) {

sinon.stub(element, 'focus');

}

group.autofocus();

assert.isFalse(elements[0].focus.called);

assert.isFalse(elements[1].focus.called);

assert.isTrue(elements[2].focus.called);

assert.isFalse(elements[3].focus.called);

});

it('is a no-op if no elements are autofocusable', function() {

const group = new TabGroup();

mount(

<div>

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="zero" />

<TabbableInput tabGroup={group} commands={atomEnv.commands} type="text" id="one" />

</div>,

{attachTo: root},

);

const elements = ['zero', 'one'].map(id => document.getElementById(id));

for (const element of elements) {

sinon.stub(element, 'focus');

}

group.autofocus();

assert.isFalse(elements[0].focus.called);

assert.isFalse(elements[1].focus.called);

});

});

});