87 lines
1.7 KiB
JavaScript
87 lines
1.7 KiB
JavaScript
|
var es = require('../')
|
||
|
, it = require('it-is').style('colour')
|
||
|
, d = require('ubelt')
|
||
|
|
||
|
function makeExamplePipe() {
|
||
|
|
||
|
return es.connect(
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, data * 2)
|
||
|
}),
|
||
|
es.map(function (data, callback) {
|
||
|
d.delay(callback)(null, data)
|
||
|
}),
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, data + 2)
|
||
|
}))
|
||
|
}
|
||
|
|
||
|
exports['simple pipe'] = function (test) {
|
||
|
|
||
|
var pipe = makeExamplePipe()
|
||
|
|
||
|
pipe.on('data', function (data) {
|
||
|
it(data).equal(18)
|
||
|
test.done()
|
||
|
})
|
||
|
|
||
|
pipe.write(8)
|
||
|
|
||
|
}
|
||
|
|
||
|
exports['read array then map'] = function (test) {
|
||
|
|
||
|
var readThis = d.map(3, 6, 100, d.id) //array of multiples of 3 < 100
|
||
|
, first = es.readArray(readThis)
|
||
|
, read = []
|
||
|
, pipe =
|
||
|
es.connect(
|
||
|
first,
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, {data: data})
|
||
|
}),
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, {data: data})
|
||
|
}),
|
||
|
es.writeArray(function (err, array) {
|
||
|
it(array).deepEqual(d.map(readThis, function (data) {
|
||
|
return {data: {data: data}}
|
||
|
}))
|
||
|
test.done()
|
||
|
})
|
||
|
)
|
||
|
}
|
||
|
|
||
|
exports ['connect returns a stream'] = function (test) {
|
||
|
|
||
|
var rw =
|
||
|
es.connect(
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, data * 2)
|
||
|
}),
|
||
|
es.map(function (data, callback) {
|
||
|
callback(null, data * 5)
|
||
|
})
|
||
|
)
|
||
|
|
||
|
it(rw).has({readable: true, writable: true})
|
||
|
|
||
|
var array = [190, 24, 6, 7, 40, 57, 4, 6]
|
||
|
, _array = []
|
||
|
, c =
|
||
|
es.connect(
|
||
|
es.readArray(array),
|
||
|
rw,
|
||
|
es.log('after rw:'),
|
||
|
es.writeArray(function (err, _array) {
|
||
|
it(_array).deepEqual(array.map(function (e) { return e * 10 }))
|
||
|
test.done()
|
||
|
})
|
||
|
)
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
require('./helper')(module)
|
||
|
|