You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
393 lines
7.5 KiB
393 lines
7.5 KiB
'use strict'
|
|
|
|
const test = require('tape')
|
|
const split = require('./')
|
|
const callback = require('callback-stream')
|
|
const strcb = callback.bind(null, { decodeStrings: false })
|
|
const objcb = callback.bind(null, { objectMode: true })
|
|
|
|
test('split two lines on end', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello\nworld')
|
|
})
|
|
|
|
test('split two lines on two writes', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.write('hello')
|
|
input.write('\nworld')
|
|
input.end()
|
|
})
|
|
|
|
test('split four lines on three writes', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world', 'bye', 'world'])
|
|
}))
|
|
|
|
input.write('hello\nwor')
|
|
input.write('ld\nbye\nwo')
|
|
input.write('rld')
|
|
input.end()
|
|
})
|
|
|
|
test('accumulate multiple writes', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['helloworld'])
|
|
}))
|
|
|
|
input.write('hello')
|
|
input.write('world')
|
|
input.end()
|
|
})
|
|
|
|
test('split using a custom string matcher', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split('~')
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello~world')
|
|
})
|
|
|
|
test('split using a custom regexp matcher', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split(/~/)
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello~world')
|
|
})
|
|
|
|
test('support an option argument', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split({ highWaterMark: 2 })
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello\nworld')
|
|
})
|
|
|
|
test('support a mapper function', function (t) {
|
|
t.plan(2)
|
|
|
|
const a = { a: '42' }
|
|
const b = { b: '24' }
|
|
|
|
const input = split(JSON.parse)
|
|
|
|
input.pipe(objcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, [a, b])
|
|
}))
|
|
|
|
input.write(JSON.stringify(a))
|
|
input.write('\n')
|
|
input.end(JSON.stringify(b))
|
|
})
|
|
|
|
test('split lines windows-style', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello\r\nworld')
|
|
})
|
|
|
|
test('splits a buffer', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end(Buffer.from('hello\nworld'))
|
|
})
|
|
|
|
test('do not end on undefined', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split(function (line) { })
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, [])
|
|
}))
|
|
|
|
input.end(Buffer.from('hello\nworld'))
|
|
})
|
|
|
|
test('has destroy method', function (t) {
|
|
t.plan(1)
|
|
|
|
const input = split(function (line) { })
|
|
|
|
input.on('close', function () {
|
|
t.ok(true, 'close emitted')
|
|
t.end()
|
|
})
|
|
|
|
input.destroy()
|
|
})
|
|
|
|
test('support custom matcher and mapper', function (t) {
|
|
t.plan(4)
|
|
|
|
const a = { a: '42' }
|
|
const b = { b: '24' }
|
|
const input = split('~', JSON.parse)
|
|
|
|
t.equal(input.matcher, '~')
|
|
t.equal(typeof input.mapper, 'function')
|
|
|
|
input.pipe(objcb(function (err, list) {
|
|
t.notOk(err, 'no errors')
|
|
t.deepEqual(list, [a, b])
|
|
}))
|
|
|
|
input.write(JSON.stringify(a))
|
|
input.write('~')
|
|
input.end(JSON.stringify(b))
|
|
})
|
|
|
|
test('support custom matcher and options', function (t) {
|
|
t.plan(6)
|
|
|
|
const input = split('~', { highWaterMark: 1024 })
|
|
|
|
t.equal(input.matcher, '~')
|
|
t.equal(typeof input.mapper, 'function')
|
|
t.equal(input._readableState.highWaterMark, 1024)
|
|
t.equal(input._writableState.highWaterMark, 1024)
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.end('hello~world')
|
|
})
|
|
|
|
test('support mapper and options', function (t) {
|
|
t.plan(6)
|
|
|
|
const a = { a: '42' }
|
|
const b = { b: '24' }
|
|
const input = split(JSON.parse, { highWaterMark: 1024 })
|
|
|
|
t.ok(input.matcher instanceof RegExp, 'matcher is RegExp')
|
|
t.equal(typeof input.mapper, 'function')
|
|
t.equal(input._readableState.highWaterMark, 1024)
|
|
t.equal(input._writableState.highWaterMark, 1024)
|
|
|
|
input.pipe(objcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, [a, b])
|
|
}))
|
|
|
|
input.write(JSON.stringify(a))
|
|
input.write('\n')
|
|
input.end(JSON.stringify(b))
|
|
})
|
|
|
|
test('split utf8 chars', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['烫烫烫', '锟斤拷'])
|
|
}))
|
|
|
|
const buf = Buffer.from('烫烫烫\r\n锟斤拷', 'utf8')
|
|
for (let i = 0; i < buf.length; ++i) {
|
|
input.write(buf.slice(i, i + 1))
|
|
}
|
|
input.end()
|
|
})
|
|
|
|
test('split utf8 chars 2by2', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['烫烫烫', '烫烫烫'])
|
|
}))
|
|
|
|
const str = '烫烫烫\r\n烫烫烫'
|
|
const buf = Buffer.from(str, 'utf8')
|
|
for (let i = 0; i < buf.length; i += 2) {
|
|
input.write(buf.slice(i, i + 2))
|
|
}
|
|
input.end()
|
|
})
|
|
|
|
test('split lines when the \n comes at the end of a chunk', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['hello', 'world'])
|
|
}))
|
|
|
|
input.write('hello\n')
|
|
input.end('world')
|
|
})
|
|
|
|
test('truncated utf-8 char', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split()
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['烫' + Buffer.from('e7', 'hex').toString()])
|
|
}))
|
|
|
|
const str = '烫烫'
|
|
const buf = Buffer.from(str, 'utf8')
|
|
|
|
input.write(buf.slice(0, 3))
|
|
input.end(buf.slice(3, 4))
|
|
})
|
|
|
|
test('maximum buffer limit', function (t) {
|
|
t.plan(1)
|
|
|
|
const input = split({ maxLength: 2 })
|
|
input.on('error', function (err) {
|
|
t.ok(err)
|
|
})
|
|
|
|
input.resume()
|
|
|
|
input.write('hey')
|
|
})
|
|
|
|
test('readable highWaterMark', function (t) {
|
|
const input = split()
|
|
t.equal(input._readableState.highWaterMark, 16)
|
|
t.end()
|
|
})
|
|
|
|
test('maxLength < chunk size', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split({ maxLength: 2 })
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['a', 'b'])
|
|
}))
|
|
|
|
input.end('a\nb')
|
|
})
|
|
|
|
test('maximum buffer limit w/skip', function (t) {
|
|
t.plan(2)
|
|
|
|
const input = split({ maxLength: 2, skipOverflow: true })
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.deepEqual(list, ['a', 'b', 'c'])
|
|
}))
|
|
|
|
input.write('a\n123')
|
|
input.write('456')
|
|
input.write('789\nb\nc')
|
|
input.end()
|
|
})
|
|
|
|
test("don't modify the options object", function (t) {
|
|
t.plan(2)
|
|
|
|
const options = {}
|
|
const input = split(options)
|
|
|
|
input.pipe(strcb(function (err, list) {
|
|
t.error(err)
|
|
t.same(options, {})
|
|
}))
|
|
|
|
input.end()
|
|
})
|
|
|
|
test('mapper throws flush', function (t) {
|
|
t.plan(1)
|
|
const error = new Error()
|
|
const input = split(function () {
|
|
throw error
|
|
})
|
|
|
|
input.on('error', (err, list) => {
|
|
t.same(err, error)
|
|
})
|
|
input.end('hello')
|
|
})
|
|
|
|
test('mapper throws on transform', function (t) {
|
|
t.plan(1)
|
|
|
|
const error = new Error()
|
|
const input = split(function (l) {
|
|
throw error
|
|
})
|
|
|
|
input.on('error', (err) => {
|
|
t.same(err, error)
|
|
})
|
|
input.write('a')
|
|
input.write('\n')
|
|
input.end('b')
|
|
})
|