mayHaveAccessibleLabel-test.js
5.8 KB
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
/* eslint-env jest */
import mayHaveAccessibleLabel from '../../../src/util/mayHaveAccessibleLabel';
import JSXAttributeMock from '../../../__mocks__/JSXAttributeMock';
import JSXElementMock from '../../../__mocks__/JSXElementMock';
import JSXExpressionContainerMock from '../../../__mocks__/JSXExpressionContainerMock';
import JSXSpreadAttributeMock from '../../../__mocks__/JSXSpreadAttributeMock';
import JSXTextMock from '../../../__mocks__/JSXTextMock';
import LiteralMock from '../../../__mocks__/LiteralMock';
describe('mayHaveAccessibleLabel', () => {
describe('no label', () => {
it('should return false', () => {
expect(mayHaveAccessibleLabel(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
]),
]),
]),
JSXElementMock('span', [], []),
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]),
5,
)).toBe(false);
});
});
describe('label via attributes', () => {
it('aria-label, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', 'A delicate label'),
], []))).toBe(true);
});
it('aria-label without content, should return false', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', ''),
], []))).toBe(false);
});
it('aria-labelledby, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', 'elementId'),
], []))).toBe(true);
});
it('aria-labelledby without content, should return false', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', ''),
], []))).toBe(false);
});
it('aria-labelledby with an expression container, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', 'elementId', true),
], []))).toBe(true);
});
});
describe('label via custom label attribute', () => {
let customLabelProp;
beforeEach(() => {
customLabelProp = 'cowbell';
});
it('aria-label, should return true', () => {
expect(mayHaveAccessibleLabel(
JSXElementMock('div', [
JSXAttributeMock(customLabelProp, 'A delicate label'),
], []),
1,
[customLabelProp],
)).toBe(true);
});
});
describe('text label', () => {
it('Literal text, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
LiteralMock('A fancy label'),
]))).toBe(true);
});
it('JSXText, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
]))).toBe(true);
});
it('label is outside of default depth, should return false', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
]),
]))).toBe(false);
});
it('label is inside of custom depth, should return true', () => {
expect(mayHaveAccessibleLabel(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
]),
]),
2,
)).toBe(true);
});
it('deep nesting, should return true', () => {
expect(mayHaveAccessibleLabel(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], [
JSXElementMock('span', [], [
JSXTextMock('A fancy label'),
]),
]),
]),
]),
]),
JSXElementMock('span', [], []),
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]),
6,
)).toBe(true);
});
});
describe('image content', () => {
it('without alt, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]))).toBe(false);
});
it('with alt, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
JSXAttributeMock('alt', 'A sensible label'),
]),
]))).toBe(true);
});
it('with aria-label, should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
JSXAttributeMock('aria-label', 'A sensible label'),
]),
]))).toBe(true);
});
});
describe('Intederminate situations', () => {
describe('expression container children', () => {
it('should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXExpressionContainerMock('mysteryBox'),
]))).toBe(true);
});
});
describe('spread operator in attributes', () => {
it('should return true', () => {
expect(mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('style', 'some-junk'),
JSXSpreadAttributeMock('props'),
], []))).toBe(true);
});
});
});
});