[6a3a178] | 1 | const t = require('tap')
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| 2 | const MPS = require('../')
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| 3 |
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| 4 | t.test('ok if size checks out', t => {
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| 5 | const mps = new MPS({ size: 4 })
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| 6 |
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| 7 | mps.write(Buffer.from('a').toString('hex'), 'hex')
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| 8 | mps.write(Buffer.from('sd'))
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| 9 | mps.end('f')
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| 10 | return mps.concat().then(data => t.equal(data.toString(), 'asdf'))
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| 11 | })
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| 12 |
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| 13 | t.test('error if size exceeded', t => {
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| 14 | const mps = new MPS({ size: 1 })
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| 15 | mps.on('error', er => {
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| 16 | t.match(er, {
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| 17 | message: 'Bad data size: expected 1 bytes, but got 4',
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| 18 | found: 4,
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| 19 | expect: 1,
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| 20 | code: 'EBADSIZE',
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| 21 | name: 'SizeError',
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| 22 | })
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| 23 | t.end()
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| 24 | })
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| 25 | mps.write('asdf')
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| 26 | })
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| 27 |
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| 28 | t.test('error if size is not met', t => {
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| 29 | const mps = new MPS({ size: 999 })
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| 30 | t.throws(() => mps.end(), {
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| 31 | message: 'Bad data size: expected 999 bytes, but got 0',
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| 32 | found: 0,
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| 33 | name: 'SizeError',
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| 34 | expect: 999,
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| 35 | code: 'EBADSIZE',
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| 36 | })
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| 37 | t.end()
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| 38 | })
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| 39 |
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| 40 | t.test('error if non-string/buffer is written', t => {
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| 41 | const mps = new MPS({size:1})
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| 42 | mps.on('error', er => {
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| 43 | t.match(er, {
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| 44 | message: 'MinipassSized streams only work with string and buffer data'
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| 45 | })
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| 46 | t.end()
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| 47 | })
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| 48 | mps.write({some:'object'})
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| 49 | })
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| 50 |
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| 51 | t.test('projectiles', t => {
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| 52 | t.throws(() => new MPS(), {
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| 53 | message: 'invalid expected size: undefined'
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| 54 | }, 'size is required')
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| 55 | t.throws(() => new MPS({size: true}), {
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| 56 | message: 'invalid expected size: true'
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| 57 | }, 'size must be number')
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| 58 | t.throws(() => new MPS({size: NaN}), {
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| 59 | message: 'invalid expected size: NaN'
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| 60 | }, 'size must not be NaN')
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| 61 | t.throws(() => new MPS({size:1.2}), {
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| 62 | message: 'invalid expected size: 1.2'
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| 63 | }, 'size must be integer')
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| 64 | t.throws(() => new MPS({size: Infinity}), {
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| 65 | message: 'invalid expected size: Infinity'
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| 66 | }, 'size must be finite')
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| 67 | t.throws(() => new MPS({size: -1}), {
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| 68 | message: 'invalid expected size: -1'
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| 69 | }, 'size must be positive')
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| 70 | t.throws(() => new MPS({objectMode: true}), {
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| 71 | message: 'MinipassSized streams only work with string and buffer data'
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| 72 | }, 'no objectMode')
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| 73 | t.throws(() => new MPS({size: Number.MAX_SAFE_INTEGER + 1000000}), {
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| 74 | message: 'invalid expected size: 9007199255740992'
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| 75 | })
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| 76 | t.end()
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| 77 | })
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| 78 |
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| 79 | t.test('exports SizeError class', t => {
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| 80 | t.isa(MPS.SizeError, 'function')
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| 81 | t.isa(MPS.SizeError.prototype, Error)
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| 82 | t.end()
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| 83 | })
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