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.
144 lines
2.4 KiB
144 lines
2.4 KiB
var tape = require('tape')
|
|
var through = require('through2')
|
|
var ndjson = require('ndjson')
|
|
var each = require('./')
|
|
|
|
tape('each', function (t) {
|
|
var s = through.obj()
|
|
s.write('a')
|
|
s.write('b')
|
|
s.write('c')
|
|
s.end()
|
|
|
|
s.on('end', function () {
|
|
t.end()
|
|
})
|
|
|
|
var expected = ['a', 'b', 'c']
|
|
each(s, function (data, next) {
|
|
t.same(data, expected.shift())
|
|
next()
|
|
})
|
|
})
|
|
|
|
tape('each and callback', function (t) {
|
|
var s = through.obj()
|
|
s.write('a')
|
|
s.write('b')
|
|
s.write('c')
|
|
s.end()
|
|
|
|
var expected = ['a', 'b', 'c']
|
|
each(s, function (data, next) {
|
|
t.same(data, expected.shift())
|
|
next()
|
|
}, function () {
|
|
t.end()
|
|
})
|
|
})
|
|
|
|
tape('each (write after)', function (t) {
|
|
var s = through.obj()
|
|
s.on('end', function () {
|
|
t.end()
|
|
})
|
|
|
|
var expected = ['a', 'b', 'c']
|
|
each(s, function (data, next) {
|
|
t.same(data, expected.shift())
|
|
next()
|
|
})
|
|
|
|
setTimeout(function () {
|
|
s.write('a')
|
|
s.write('b')
|
|
s.write('c')
|
|
s.end()
|
|
}, 100)
|
|
})
|
|
|
|
tape('each error', function (t) {
|
|
var s = through.obj()
|
|
s.write('hello')
|
|
s.on('error', function (err) {
|
|
t.same(err.message, 'stop')
|
|
t.end()
|
|
})
|
|
|
|
each(s, function (data, next) {
|
|
next(new Error('stop'))
|
|
})
|
|
})
|
|
|
|
tape('each error and callback', function (t) {
|
|
var s = through.obj()
|
|
s.write('hello')
|
|
|
|
each(s, function (data, next) {
|
|
next(new Error('stop'))
|
|
}, function (err) {
|
|
t.same(err.message, 'stop')
|
|
t.end()
|
|
})
|
|
})
|
|
|
|
tape('each with falsey values', function (t) {
|
|
var s = through.obj()
|
|
s.write(0)
|
|
s.write(false)
|
|
s.write(undefined)
|
|
s.end()
|
|
|
|
s.on('end', function () {
|
|
t.end()
|
|
})
|
|
|
|
var expected = [0, false]
|
|
var count = 0
|
|
each(s, function (data, next) {
|
|
count++
|
|
t.same(data, expected.shift())
|
|
next()
|
|
}, function () {
|
|
t.same(count, 2)
|
|
})
|
|
})
|
|
|
|
tape('huge stack', function (t) {
|
|
var s = through.obj()
|
|
|
|
for (var i = 0; i < 5000; i++) {
|
|
s.write('foo')
|
|
}
|
|
|
|
s.end()
|
|
|
|
each(s, function (data, cb) {
|
|
if (data !== 'foo') t.fail('bad data')
|
|
cb()
|
|
}, function (err) {
|
|
t.error(err, 'no error')
|
|
t.end()
|
|
})
|
|
})
|
|
|
|
tape('cb only once', function (t) {
|
|
var p = ndjson.parse()
|
|
var once = true
|
|
var data = '{"foo":"' + Array(1000).join('x') + '"}\n'
|
|
|
|
each(p, ondata, function (err) {
|
|
t.ok(once, 'only once')
|
|
t.ok(err, 'had error')
|
|
once = false
|
|
t.end()
|
|
})
|
|
|
|
for (var i = 0; i < 1000; i++) p.write(data)
|
|
p.write('{...}\n')
|
|
|
|
function ondata (data, cb) {
|
|
process.nextTick(cb)
|
|
}
|
|
})
|