test: split test in parallel/sequential

Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
PR-URL: https://github.com/iojs/io.js/pull/172
Fix: iojs/io.js#139

1 files changed, 138 insertions, 0 deletions

diff --git a/test/parallel/test-stream2-push.js b/test/parallel/test-stream2-push.js
new file mode 100644
index 0000000000..b63edc3084
--- /dev/null
+++ b/test/parallel/test-stream2-push.js
@@ -0,0 +1,138 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common.js');
+var stream = require('stream');
+var Readable = stream.Readable;
+var Writable = stream.Writable;
+var assert = require('assert');
+
+var util = require('util');
+var EE = require('events').EventEmitter;
+
+
+// a mock thing a bit like the net.Socket/tcp_wrap.handle interaction
+
+var stream = new Readable({
+  highWaterMark: 16,
+  encoding: 'utf8'
+});
+
+var source = new EE;
+
+stream._read = function() {
+  console.error('stream._read');
+  readStart();
+};
+
+var ended = false;
+stream.on('end', function() {
+  ended = true;
+});
+
+source.on('data', function(chunk) {
+  var ret = stream.push(chunk);
+  console.error('data', stream._readableState.length);
+  if (!ret)
+    readStop();
+});
+
+source.on('end', function() {
+  stream.push(null);
+});
+
+var reading = false;
+
+function readStart() {
+  console.error('readStart');
+  reading = true;
+}
+
+function readStop() {
+  console.error('readStop');
+  reading = false;
+  process.nextTick(function() {
+    var r = stream.read();
+    if (r !== null)
+      writer.write(r);
+  });
+}
+
+var writer = new Writable({
+  decodeStrings: false
+});
+
+var written = [];
+
+var expectWritten =
+  [ 'asdfgasdfgasdfgasdfg',
+    'asdfgasdfgasdfgasdfg',
+    'asdfgasdfgasdfgasdfg',
+    'asdfgasdfgasdfgasdfg',
+    'asdfgasdfgasdfgasdfg',
+    'asdfgasdfgasdfgasdfg' ];
+
+writer._write = function(chunk, encoding, cb) {
+  console.error('WRITE %s', chunk);
+  written.push(chunk);
+  process.nextTick(cb);
+};
+
+writer.on('finish', finish);
+
+
+// now emit some chunks.
+
+var chunk = "asdfg";
+
+var set = 0;
+readStart();
+data();
+function data() {
+  assert(reading);
+  source.emit('data', chunk);
+  assert(reading);
+  source.emit('data', chunk);
+  assert(reading);
+  source.emit('data', chunk);
+  assert(reading);
+  source.emit('data', chunk);
+  assert(!reading);
+  if (set++ < 5)
+    setTimeout(data, 10);
+  else
+    end();
+}
+
+function finish() {
+  console.error('finish');
+  assert.deepEqual(written, expectWritten);
+  console.log('ok');
+}
+
+function end() {
+  source.emit('end');
+  assert(!reading);
+  writer.end(stream.read());
+  setTimeout(function() {
+    assert(ended);
+  });
+}