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-rw-r--r--node_modules/stream-each/test.js143
1 files changed, 143 insertions, 0 deletions
diff --git a/node_modules/stream-each/test.js b/node_modules/stream-each/test.js
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+++ b/node_modules/stream-each/test.js
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+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)
+ }
+})