| 1 | const prettierBytes = require('./prettierBytes')
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| 2 |
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| 3 | const testData = [
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| 4 | [2, '2 B'],
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| 5 | [9, '9 B'],
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| 6 | [25, '25 B'],
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| 7 | [235, '235 B'],
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| 8 | [2335, '2.3 KB'],
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| 9 | [23552, '23 KB'],
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| 10 | [235520, '230 KB'],
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| 11 | [2355520, '2.2 MB'],
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| 12 | [23555520, '22 MB'],
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| 13 | [235555520, '225 MB'],
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| 14 | [2355555520, '2.2 GB'],
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| 15 | [23555555520, '22 GB'],
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| 16 | [235556555520, '219 GB'],
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| 17 | [2355556655520, '2.1 TB'],
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| 18 | [23555566655520, '21 TB'],
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| 19 | [235555566665520, '214 TB'],
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| 20 | ]
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| 21 |
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| 22 | describe('prettierBytes', () => {
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| 23 | it('should convert the specified number of bytes to a human-readable string like 236 MB', () => {
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| 24 | testData.forEach(function (data) {
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| 25 | expect(prettierBytes(data[0])).toEqual(data[1])
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| 26 | })
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| 27 | })
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| 28 |
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| 29 | it('throws on non-number', () => {
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| 30 | expect(() => {
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| 31 | prettierBytes('this is a string')
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| 32 | }).toThrow()
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| 33 | })
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| 34 |
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| 35 | it('throws on NaN', () => {
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| 36 | expect(() => {
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| 37 | prettierBytes(NaN)
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| 38 | }).toThrow()
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| 39 | })
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| 40 | })
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