hasAccessibleChild-test.js
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/* eslint-env jest */
import hasAccessibleChild from '../../../src/util/hasAccessibleChild';
import JSXElementMock from '../../../__mocks__/JSXElementMock';
import JSXAttributeMock from '../../../__mocks__/JSXAttributeMock';
import JSXExpressionContainerMock from '../../../__mocks__/JSXExpressionContainerMock';
describe('hasAccessibleChild', () => {
describe('has no children and does not set dangerouslySetInnerHTML', () => {
it('returns false', () => {
expect(hasAccessibleChild(JSXElementMock('div', []))).toBe(false);
});
});
describe('has no children and sets dangerouslySetInnerHTML', () => {
it('Returns true', () => {
const prop = JSXAttributeMock('dangerouslySetInnerHTML', true);
const element = JSXElementMock('div', [prop], []);
expect(hasAccessibleChild(element)).toBe(true);
});
});
describe('has children', () => {
it('Returns true for a Literal child', () => {
const child = {
type: 'Literal',
value: 'foo',
};
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(true);
});
it('Returns true for visible child JSXElement', () => {
const child = JSXElementMock('div', []);
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(true);
});
it('Returns true for JSXText Element', () => {
const child = {
type: 'JSXText',
value: 'foo',
};
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(true);
});
it('Returns false for hidden child JSXElement', () => {
const ariaHiddenAttr = JSXAttributeMock('aria-hidden', true);
const child = JSXElementMock('div', [ariaHiddenAttr]);
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(false);
});
it('Returns true for defined JSXExpressionContainer', () => {
const expression = {
type: 'Identifier',
name: 'foo',
};
const child = JSXExpressionContainerMock(expression);
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(true);
});
it('Returns false for undefined JSXExpressionContainer', () => {
const expression = {
type: 'Identifier',
name: 'undefined',
};
const child = JSXExpressionContainerMock(expression);
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(false);
});
it('Returns false for unknown child type', () => {
const child = {
type: 'Unknown',
};
const element = JSXElementMock('div', [], [child]);
expect(hasAccessibleChild(element)).toBe(false);
});
it('Returns true with children passed as a prop', () => {
const children = JSXAttributeMock('children', true);
const element = JSXElementMock('div', [children], []);
expect(hasAccessibleChild(element)).toBe(true);
});
});
});