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getCurrentScriptSource.test.js
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getCurrentScriptSource.test.js
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'use strict';
const {
default: getCurrentScriptSource,
} = require('../../../client-src/default/utils/getCurrentScriptSource');
describe('getCurrentScriptSource', () => {
afterEach(() => {
Object.defineProperty(document, 'currentScript', {
value: null,
writable: true,
});
Object.defineProperty(document, 'scripts', {
value: [],
writable: true,
});
});
test("should fail when script source doesn't exist", () => {
try {
getCurrentScriptSource();
} catch (e) {
expect(e).toMatchSnapshot();
}
});
test('should return src if document.currentScript exists', () => {
const elm = document.createElement('script');
elm.setAttribute('src', 'foo');
Object.defineProperty(document, 'currentScript', {
value: elm,
});
expect(getCurrentScriptSource()).toEqual('foo');
});
test('should return src', () => {
const elms = ['foo', 'bar'].map((src) => {
const elm = document.createElement('script');
elm.setAttribute('src', src);
return elm;
});
Object.defineProperty(document, 'scripts', {
value: elms,
});
expect(getCurrentScriptSource()).toEqual('bar');
});
});