753ea937ea
* feat: Allow display username with uppercase characters * fix: ensure user can change username to uppercased version * fix: ensure that same username in a different case does not require validation
59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
const {
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isValidUsername,
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usernameTooShort,
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validationSuccess,
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usernameIsHttpStatusCode,
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invalidCharError
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} = require('./validate');
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function inRange(num, range) {
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return num >= range[0] && num <= range[1];
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}
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describe('isValidUsername', () => {
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it('rejects strings with less than 3 characters', () => {
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expect(isValidUsername('')).toStrictEqual(usernameTooShort);
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expect(isValidUsername('12')).toStrictEqual(usernameTooShort);
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expect(isValidUsername('a')).toStrictEqual(usernameTooShort);
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expect(isValidUsername('12a')).toStrictEqual(validationSuccess);
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});
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it('rejects strings which are http response status codes 100-599', () => {
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expect(isValidUsername('429')).toStrictEqual(usernameIsHttpStatusCode);
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expect(isValidUsername('789')).toStrictEqual(validationSuccess);
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});
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it('rejects non-ASCII characters', () => {
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expect(isValidUsername('👀👂👄')).toStrictEqual(invalidCharError);
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});
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it('rejects with invalidCharError even if the string is too short', () => {
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expect(isValidUsername('.')).toStrictEqual(invalidCharError);
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});
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it('accepts alphanumeric characters', () => {
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expect(
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isValidUsername('abcdefghijklmnopqrstuvwxyz0123456789')
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).toStrictEqual(validationSuccess);
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});
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it('accepts hyphens and underscores', () => {
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expect(isValidUsername('a-b')).toStrictEqual(validationSuccess);
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expect(isValidUsername('a_b')).toStrictEqual(validationSuccess);
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});
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it('rejects all other ASCII characters', () => {
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const allowedCharactersList = ['-', '_', '+'];
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const numbers = [48, 57];
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const upperCase = [65, 90];
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const lowerCase = [97, 122];
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const base = 'user';
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const finalCode = 127;
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for (let code = 0; code <= finalCode; code++) {
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let char = String.fromCharCode(code);
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let expected = invalidCharError;
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if (allowedCharactersList.includes(char)) expected = validationSuccess;
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if (inRange(code, numbers)) expected = validationSuccess;
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if (inRange(code, upperCase)) expected = validationSuccess;
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if (inRange(code, lowerCase)) expected = validationSuccess;
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expect(isValidUsername(base + char)).toStrictEqual(expected);
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}
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});
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});
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