* first action! (#1)

node_modules/from2/test.js

@@ -0,0 +1,123 @@
+var test = require('tape')
+var path = require('path')
+var from = require('./')
+var fs   = require('fs')
+
+var tmp = path.resolve(
+  __dirname, 'tmp.txt'
+)
+
+function fromString(string) {
+  return from(function(size, next) {
+    if (string.length <= 0) return next(null, null)
+    var chunk = string.slice(0, size)
+    string = string.slice(size)
+    next(null, chunk)
+  })
+}
+
+test('from2', function(t) {
+  var contents = fs.readFileSync(__filename, 'utf8')
+  var stream = fromString(contents)
+
+  stream
+    .pipe(fs.createWriteStream(tmp))
+    .on('close', function() {
+      t.equal(fs.readFileSync(tmp, 'utf8'), contents)
+      fs.unlinkSync(tmp)
+      t.end()
+    })
+})
+
+test('old mode', function(t) {
+  var contents = fs.readFileSync(__filename, 'utf8')
+  var stream = fromString(contents)
+  var buffer = ''
+
+  stream.on('data', function(data) {
+    buffer += data
+  }).on('end', function() {
+    t.equal(buffer, contents)
+    t.end()
+  })
+})
+
+test('destroy', function(t) {
+  var stream = from(function(size, next) {
+    process.nextTick(function() {
+      next(null, 'no')
+    })
+  })
+
+  stream.on('data', function(data) {
+    t.ok(false)
+  }).on('close', function() {
+    t.ok(true)
+    t.end()
+  })
+
+  stream.destroy()
+})
+
+test('arrays', function (t) {
+  var input = ['a', 'b', 'c']
+  var stream = from(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter.toString())
+  })
+  stream.on('end', function () {
+    t.deepEqual(input, output)
+    t.end()
+  })
+})
+
+test('obj arrays', function (t) {
+  var input = [{foo:'a'}, {foo:'b'}, {foo:'c'}]
+  var stream = from.obj(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter)
+  })
+  stream.on('end', function () {
+    t.deepEqual(input, output)
+    t.end()
+  })
+})
+
+
+test('arrays can emit errors', function (t) {
+  var input = ['a', 'b', new Error('ooops'), 'c']
+  var stream = from(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter.toString())
+  })
+  stream.on('error', function(e){
+    t.deepEqual(['a', 'b'], output)
+    t.equal('ooops', e.message)
+    t.end()
+  })  
+  stream.on('end', function () {
+    t.fail('the stream should have errored')
+  })
+})
+
+test('obj arrays can emit errors', function (t) {
+  var input = [{foo:'a'}, {foo:'b'}, new Error('ooops'), {foo:'c'}]
+  var stream = from.obj(input)
+  var output = []
+  stream.on('data', function (letter) {
+    output.push(letter)
+  })
+  stream.on('error', function(e){
+    t.deepEqual([{foo:'a'}, {foo:'b'}], output)
+    t.equal('ooops', e.message)
+    t.end()
+  })
+  stream.on('end', function () {
+    t.fail('the stream should have errored')
+  })
+})
+
+