75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
/* eslint-env mocha */
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import assert from 'assert';
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import { getOpeningElement, setParserName } from '../helper';
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import getProp from '../../src/getProp';
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describe('getProp', () => {
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beforeEach(() => {
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setParserName('babel');
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});
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it('should export a function', () => {
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const expected = 'function';
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const actual = typeof getProp;
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assert.equal(expected, actual);
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});
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it('should return undefined if no arguments are provided', () => {
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const expected = undefined;
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const actual = getProp();
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assert.equal(expected, actual);
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});
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it('should return undefined if the attribute is absent', () => {
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const code = '<div />';
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const node = getOpeningElement(code);
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const { attributes: props } = node;
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const prop = 'id';
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const expected = undefined;
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const actual = getProp(props, prop);
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assert.equal(expected, actual);
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});
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it('should return the correct attribute if the attribute exists', () => {
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const code = '<div id="foo" />';
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const node = getOpeningElement(code);
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const { attributes: props } = node;
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const prop = 'id';
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const expected = 'id';
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const actual = getProp(props, prop).name.name;
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assert.equal(expected, actual);
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});
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it('should return undefined if the attribute may exist in spread', () => {
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const code = '<div {...props} />';
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const node = getOpeningElement(code);
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const { attributes: props } = node;
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const prop = 'id';
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const expected = undefined;
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const actual = getProp(props, prop);
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assert.equal(expected, actual);
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});
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it('should return undefined if the attribute is considered absent in case-sensitive mode', () => {
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const code = '<div ID="foo" />';
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const node = getOpeningElement(code);
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const { attributes: props } = node;
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const prop = 'id';
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const options = {
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ignoreCase: false,
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};
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const expected = undefined;
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const actual = getProp(props, prop, options);
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assert.equal(expected, actual);
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});
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});
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