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import crypto from 'crypto';
import { TextEncoder, TextDecoder } from 'util';
import { createCodeVerifier, createCodeChallenge } from '~/jira_connect/subscriptions/pkce';
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;
describe('pkce', () => {
beforeAll(() => {
Object.defineProperty(global.self, 'crypto', {
value: {
getRandomValues: (arr) => crypto.randomBytes(arr.length),
subtle: {
digest: jest.fn().mockResolvedValue(new ArrayBuffer(1)),
},
},
});
});
describe('createCodeVerifier', () => {
it('calls `window.crypto.getRandomValues`', () => {
window.crypto.getRandomValues = jest.fn();
createCodeVerifier();
expect(window.crypto.getRandomValues).toHaveBeenCalled();
});
it(`returns a string with 128 characters`, () => {
const codeVerifier = createCodeVerifier();
expect(codeVerifier).toHaveLength(128);
});
});
describe('createCodeChallenge', () => {
it('calls `window.crypto.subtle.digest` with correct arguments', async () => {
await createCodeChallenge('1234');
expect(window.crypto.subtle.digest).toHaveBeenCalledWith('SHA-256', expect.anything());
});
it('returns base64 URL-encoded string', async () => {
const codeChallenge = await createCodeChallenge('1234');
expect(codeChallenge).toBe('AA');
});
});
});
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