Files
30-seconds-of-code/test/byteSize/byteSize.test.js
2018-02-07 16:45:44 +02:00

31 lines
1.1 KiB
JavaScript

const test = require('tape');
// Custom implementation of Blob for the requirements of this snippet.
const Blob = class{
constructor(s) {
return {
size: Buffer.byteLength(s.toString())
};
}
};
// const byteSize = require('./byteSize.js');
// Override
const byteSize = str => new Blob([str]).size;
test('Testing byteSize', (t) => {
//For more information on all the methods supported by tape
//Please go to https://github.com/substack/tape
t.true(typeof byteSize === 'function', 'byteSize is a Function');
t.equal(byteSize('a'), 1, 'Works for a single letter');
t.equal(byteSize('Hello World'), 11, 'Works for a common string');
t.equal(byteSize('😀'), 4, 'Works for emoji');
// Blob is not part of Node apparently?
//t.equal(byteSize('Hello World'), 11, 'Works for text');
//t.equal(byteSize('😀'), 4, 'Works for emojis');
// Works only in browser
// t.equal(byteSize('Hello World'), 11, "Returns the length of a string in bytes");
//t.deepEqual(byteSize(args..), 'Expected');
//t.equal(byteSize(args..), 'Expected');
//t.false(byteSize(args..), 'Expected');
//t.throws(byteSize(args..), 'Expected');
t.end();
});