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137 lines
3.5 KiB
137 lines
3.5 KiB
var es = require('event-stream')
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, it = require('it-is').style('colour')
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, d = require('ubelt')
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, split = require('..')
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, join = require('path').join
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, fs = require('fs')
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, Stream = require('stream').Stream
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, Readable = require('stream').Readable
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, spec = require('stream-spec')
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, through = require('through')
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, stringStream = require('string-to-stream')
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exports ['split() works like String#split'] = function (test) {
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var readme = join(__filename)
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, expected = fs.readFileSync(readme, 'utf-8').split('\n')
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, cs = split()
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, actual = []
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, ended = false
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, x = spec(cs).through()
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var a = new Stream ()
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a.write = function (l) {
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actual.push(l.trim())
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}
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a.end = function () {
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ended = true
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expected.forEach(function (v,k) {
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//String.split will append an empty string ''
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//if the string ends in a split pattern.
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//es.split doesn't which was breaking this test.
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//clearly, appending the empty string is correct.
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//tests are passing though. which is the current job.
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if(v)
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it(actual[k]).like(v)
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})
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//give the stream time to close
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process.nextTick(function () {
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test.done()
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x.validate()
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})
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}
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a.writable = true
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fs.createReadStream(readme, {flags: 'r'}).pipe(cs)
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cs.pipe(a)
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}
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exports ['split() takes mapper function'] = function (test) {
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var readme = join(__filename)
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, expected = fs.readFileSync(readme, 'utf-8').split('\n')
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, cs = split(function (line) { return line.toUpperCase() })
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, actual = []
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, ended = false
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, x = spec(cs).through()
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var a = new Stream ()
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a.write = function (l) {
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actual.push(l.trim())
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}
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a.end = function () {
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ended = true
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expected.forEach(function (v,k) {
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//String.split will append an empty string ''
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//if the string ends in a split pattern.
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//es.split doesn't which was breaking this test.
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//clearly, appending the empty string is correct.
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//tests are passing though. which is the current job.
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if(v)
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it(actual[k]).equal(v.trim().toUpperCase())
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})
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//give the stream time to close
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process.nextTick(function () {
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test.done()
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x.validate()
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})
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}
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a.writable = true
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fs.createReadStream(readme, {flags: 'r'}).pipe(cs)
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cs.pipe(a)
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}
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exports ['split() works with empty string chunks'] = function (test) {
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var str = ' foo'
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, expected = str.split(/[\s]*/).reduce(splitBy(/[\s]*/), [])
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, cs1 = split(/[\s]*/)
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, cs2 = split(/[\s]*/)
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, actual = []
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, ended = false
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, x = spec(cs1).through()
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, y = spec(cs2).through()
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var a = new Stream ()
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a.write = function (l) {
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actual.push(l.trim())
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}
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a.end = function () {
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ended = true
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expected.forEach(function (v,k) {
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//String.split will append an empty string ''
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//if the string ends in a split pattern.
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//es.split doesn't which was breaking this test.
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//clearly, appending the empty string is correct.
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//tests are passing though. which is the current job.
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if(v)
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it(actual[k]).like(v)
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})
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//give the stream time to close
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process.nextTick(function () {
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test.done()
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x.validate()
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y.validate()
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})
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}
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a.writable = true
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cs1.pipe(cs2)
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cs2.pipe(a)
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cs1.write(str)
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cs1.end()
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}
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function splitBy (delimiter) {
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return function (arr, piece) {
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return arr.concat(piece.split(delimiter))
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}
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}
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