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node_modules/eslint-plugin-jsx-a11y/__tests__/src/util/mayHaveAccessibleLabel-test.js
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import test from 'tape';
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';
test('mayHaveAccessibleLabel', (t) => {
t.equal(
mayHaveAccessibleLabel(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
]),
]),
]),
JSXElementMock('span', [], []),
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]),
5,
),
false,
'no label returns false',
);
t.test('label via attributes', (st) => {
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', 'A delicate label'),
], [])),
true,
'aria-label returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', ''),
], [])),
false,
'aria-label without content returns false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', ' '),
], [])),
false,
'aria-label with only spaces whitespace, should return false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-label', '\n'),
], [])),
false,
'aria-label with only newline whitespace, should return false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', 'elementId'),
], [])),
true,
'aria-labelledby returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', ''),
], [])),
false,
'aria-labelledby without content returns false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('aria-labelledby', 'elementId', true),
], [])),
true,
'aria-labelledby with an expression container, should return true',
);
st.end();
});
t.test('label via custom label attribute', (st) => {
const customLabelProp = 'cowbell';
st.equal(
mayHaveAccessibleLabel(
JSXElementMock('div', [
JSXAttributeMock(customLabelProp, 'A delicate label'),
], []),
1,
[customLabelProp],
),
true,
'aria-label returns true',
);
st.end();
});
t.test('text label', (st) => {
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
LiteralMock('A fancy label'),
])),
true,
'Literal text, returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
LiteralMock(' '),
])),
false,
'Literal spaces whitespace, returns false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
LiteralMock('\n'),
])),
false,
'Literal newline whitespace, returns false',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
])),
true,
'JSXText, returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
]),
])),
false,
'label is outside of default depth, returns false',
);
st.equal(
mayHaveAccessibleLabel(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXTextMock('A fancy label'),
]),
]),
2,
),
true,
'label is inside of custom depth, returns true',
);
st.equal(
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,
),
true,
'deep nesting, returns true',
);
st.end();
});
t.test('image content', (st) => {
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
])),
false,
'without alt, returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
JSXAttributeMock('alt', 'A sensible label'),
]),
])),
true,
'with alt, returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
JSXAttributeMock('aria-label', 'A sensible label'),
]),
])),
true,
'with aria-label, returns true',
);
st.end();
});
t.test('Intederminate situations', (st) => {
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [], [
JSXExpressionContainerMock('mysteryBox'),
])),
true,
'expression container children, returns true',
);
st.equal(
mayHaveAccessibleLabel(JSXElementMock('div', [
JSXAttributeMock('style', 'some-junk'),
JSXSpreadAttributeMock('props'),
], [])),
true,
'spread operator in attributes, returns true',
);
st.end();
});
t.end();
});