| Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-transform.js
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| diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-transform.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-transform.js
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..5804c39d80975ca610a019bec1bcc396b20a3888
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| --- /dev/null
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| +++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-transform.js
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| @@ -0,0 +1,435 @@
|
| +// Copyright Joyent, Inc. and other Node contributors.
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| +//
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| +// Permission is hereby granted, free of charge, to any person obtaining a
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| +// copy of this software and associated documentation files (the
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| +// "Software"), to deal in the Software without restriction, including
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| +// without limitation the rights to use, copy, modify, merge, publish,
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| +// distribute, sublicense, and/or sell copies of the Software, and to permit
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| +// persons to whom the Software is furnished to do so, subject to the
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| +// following conditions:
|
| +//
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| +// The above copyright notice and this permission notice shall be included
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| +// in all copies or substantial portions of the Software.
|
| +//
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| +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
| +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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| +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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| +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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| +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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| +// USE OR OTHER DEALINGS IN THE SOFTWARE.
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| +
|
| +var assert = require('assert');
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| +var common = require('../common.js');
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| +var PassThrough = require('../../lib/_stream_passthrough');
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| +var Transform = require('../../lib/_stream_transform');
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| +
|
| +// tiny node-tap lookalike.
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| +var tests = [];
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| +var count = 0;
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| +
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| +function test(name, fn) {
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| + count++;
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| + tests.push([name, fn]);
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| +}
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| +
|
| +function run() {
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| + var next = tests.shift();
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| + if (!next)
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| + return console.error('ok');
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| +
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| + var name = next[0];
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| + var fn = next[1];
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| + console.log('# %s', name);
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| + fn({
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| + same: assert.deepEqual,
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| + equal: assert.equal,
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| + ok: assert,
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| + end: function () {
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| + count--;
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| + run();
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| + }
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| + });
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| +}
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| +
|
| +// ensure all tests have run
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| +process.on("exit", function () {
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| + assert.equal(count, 0);
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| +});
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| +
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| +process.nextTick(run);
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| +
|
| +/////
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| +
|
| +test('writable side consumption', function(t) {
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| + var tx = new Transform({
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| + highWaterMark: 10
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| + });
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| +
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| + var transformed = 0;
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| + tx._transform = function(chunk, encoding, cb) {
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| + transformed += chunk.length;
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| + tx.push(chunk);
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| + cb();
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| + };
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| +
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| + for (var i = 1; i <= 10; i++) {
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| + tx.write(new Buffer(i));
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| + }
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| + tx.end();
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| +
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| + t.equal(tx._readableState.length, 10);
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| + t.equal(transformed, 10);
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| + t.equal(tx._transformState.writechunk.length, 5);
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| + t.same(tx._writableState.buffer.map(function(c) {
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| + return c.chunk.length;
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| + }), [6, 7, 8, 9, 10]);
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| +
|
| + t.end();
|
| +});
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| +
|
| +test('passthrough', function(t) {
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| + var pt = new PassThrough();
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| +
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| + pt.write(new Buffer('foog'));
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| + pt.write(new Buffer('bark'));
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| + pt.write(new Buffer('bazy'));
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| + pt.write(new Buffer('kuel'));
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| + pt.end();
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| +
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| + t.equal(pt.read(5).toString(), 'foogb');
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| + t.equal(pt.read(5).toString(), 'arkba');
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| + t.equal(pt.read(5).toString(), 'zykue');
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| + t.equal(pt.read(5).toString(), 'l');
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| + t.end();
|
| +});
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| +
|
| +test('simple transform', function(t) {
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| + var pt = new Transform;
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| + pt._transform = function(c, e, cb) {
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| + var ret = new Buffer(c.length);
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| + ret.fill('x');
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| + pt.push(ret);
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| + cb();
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| + };
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| +
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| + pt.write(new Buffer('foog'));
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| + pt.write(new Buffer('bark'));
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| + pt.write(new Buffer('bazy'));
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| + pt.write(new Buffer('kuel'));
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| + pt.end();
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| +
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| + t.equal(pt.read(5).toString(), 'xxxxx');
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| + t.equal(pt.read(5).toString(), 'xxxxx');
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| + t.equal(pt.read(5).toString(), 'xxxxx');
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| + t.equal(pt.read(5).toString(), 'x');
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| + t.end();
|
| +});
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| +
|
| +test('async passthrough', function(t) {
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| + var pt = new Transform;
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| + pt._transform = function(chunk, encoding, cb) {
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| + setTimeout(function() {
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| + pt.push(chunk);
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| + cb();
|
| + }, 10);
|
| + };
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| +
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| + pt.write(new Buffer('foog'));
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| + pt.write(new Buffer('bark'));
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| + pt.write(new Buffer('bazy'));
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| + pt.write(new Buffer('kuel'));
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| + pt.end();
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| +
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| + pt.on('finish', function() {
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| + t.equal(pt.read(5).toString(), 'foogb');
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| + t.equal(pt.read(5).toString(), 'arkba');
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| + t.equal(pt.read(5).toString(), 'zykue');
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| + t.equal(pt.read(5).toString(), 'l');
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| + t.end();
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| + });
|
| +});
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| +
|
| +test('assymetric transform (expand)', function(t) {
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| + var pt = new Transform;
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| +
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| + // emit each chunk 2 times.
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| + pt._transform = function(chunk, encoding, cb) {
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| + setTimeout(function() {
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| + pt.push(chunk);
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| + setTimeout(function() {
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| + pt.push(chunk);
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| + cb();
|
| + }, 10)
|
| + }, 10);
|
| + };
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| +
|
| + pt.write(new Buffer('foog'));
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| + pt.write(new Buffer('bark'));
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| + pt.write(new Buffer('bazy'));
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| + pt.write(new Buffer('kuel'));
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| + pt.end();
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| +
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| + pt.on('finish', function() {
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| + t.equal(pt.read(5).toString(), 'foogf');
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| + t.equal(pt.read(5).toString(), 'oogba');
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| + t.equal(pt.read(5).toString(), 'rkbar');
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| + t.equal(pt.read(5).toString(), 'kbazy');
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| + t.equal(pt.read(5).toString(), 'bazyk');
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| + t.equal(pt.read(5).toString(), 'uelku');
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| + t.equal(pt.read(5).toString(), 'el');
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| + t.end();
|
| + });
|
| +});
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| +
|
| +test('assymetric transform (compress)', function(t) {
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| + var pt = new Transform;
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| +
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| + // each output is the first char of 3 consecutive chunks,
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| + // or whatever's left.
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| + pt.state = '';
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| +
|
| + pt._transform = function(chunk, encoding, cb) {
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| + if (!chunk)
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| + chunk = '';
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| + var s = chunk.toString();
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| + setTimeout(function() {
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| + this.state += s.charAt(0);
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| + if (this.state.length === 3) {
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| + pt.push(new Buffer(this.state));
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| + this.state = '';
|
| + }
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| + cb();
|
| + }.bind(this), 10);
|
| + };
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| +
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| + pt._flush = function(cb) {
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| + // just output whatever we have.
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| + pt.push(new Buffer(this.state));
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| + this.state = '';
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| + cb();
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| + };
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| +
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| + pt.write(new Buffer('aaaa'));
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| + pt.write(new Buffer('bbbb'));
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| + pt.write(new Buffer('cccc'));
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| + pt.write(new Buffer('dddd'));
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| + pt.write(new Buffer('eeee'));
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| + pt.write(new Buffer('aaaa'));
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| + pt.write(new Buffer('bbbb'));
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| + pt.write(new Buffer('cccc'));
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| + pt.write(new Buffer('dddd'));
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| + pt.write(new Buffer('eeee'));
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| + pt.write(new Buffer('aaaa'));
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| + pt.write(new Buffer('bbbb'));
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| + pt.write(new Buffer('cccc'));
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| + pt.write(new Buffer('dddd'));
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| + pt.end();
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| +
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| + // 'abcdeabcdeabcd'
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| + pt.on('finish', function() {
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| + t.equal(pt.read(5).toString(), 'abcde');
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| + t.equal(pt.read(5).toString(), 'abcde');
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| + t.equal(pt.read(5).toString(), 'abcd');
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| + t.end();
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| + });
|
| +});
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| +
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| +
|
| +test('passthrough event emission', function(t) {
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| + var pt = new PassThrough();
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| + var emits = 0;
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| + pt.on('readable', function() {
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| + var state = pt._readableState;
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| + console.error('>>> emit readable %d', emits);
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| + emits++;
|
| + });
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| +
|
| + var i = 0;
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| +
|
| + pt.write(new Buffer('foog'));
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| +
|
| + console.error('need emit 0');
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| + pt.write(new Buffer('bark'));
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| +
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| + console.error('should have emitted readable now 1 === %d', emits);
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| + t.equal(emits, 1);
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| +
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| + t.equal(pt.read(5).toString(), 'foogb');
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| + t.equal(pt.read(5) + '', 'null');
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| +
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| + console.error('need emit 1');
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| +
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| + pt.write(new Buffer('bazy'));
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| + console.error('should have emitted, but not again');
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| + pt.write(new Buffer('kuel'));
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| +
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| + console.error('should have emitted readable now 2 === %d', emits);
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| + t.equal(emits, 2);
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| +
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| + t.equal(pt.read(5).toString(), 'arkba');
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| + t.equal(pt.read(5).toString(), 'zykue');
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| + t.equal(pt.read(5), null);
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| +
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| + console.error('need emit 2');
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| +
|
| + pt.end();
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| +
|
| + t.equal(emits, 3);
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| +
|
| + t.equal(pt.read(5).toString(), 'l');
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| + t.equal(pt.read(5), null);
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| +
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| + console.error('should not have emitted again');
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| + t.equal(emits, 3);
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| + t.end();
|
| +});
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| +
|
| +test('passthrough event emission reordered', function(t) {
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| + var pt = new PassThrough;
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| + var emits = 0;
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| + pt.on('readable', function() {
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| + console.error('emit readable', emits)
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| + emits++;
|
| + });
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| +
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| + pt.write(new Buffer('foog'));
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| + console.error('need emit 0');
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| + pt.write(new Buffer('bark'));
|
| + console.error('should have emitted readable now 1 === %d', emits);
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| + t.equal(emits, 1);
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| +
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| + t.equal(pt.read(5).toString(), 'foogb');
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| + t.equal(pt.read(5), null);
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| +
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| + console.error('need emit 1');
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| + pt.once('readable', function() {
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| + t.equal(pt.read(5).toString(), 'arkba');
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| +
|
| + t.equal(pt.read(5), null);
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| +
|
| + console.error('need emit 2');
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| + pt.once('readable', function() {
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| + t.equal(pt.read(5).toString(), 'zykue');
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| + t.equal(pt.read(5), null);
|
| + pt.once('readable', function() {
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| + t.equal(pt.read(5).toString(), 'l');
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| + t.equal(pt.read(5), null);
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| + t.equal(emits, 4);
|
| + t.end();
|
| + });
|
| + pt.end();
|
| + });
|
| + pt.write(new Buffer('kuel'));
|
| + });
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| +
|
| + pt.write(new Buffer('bazy'));
|
| +});
|
| +
|
| +test('passthrough facaded', function(t) {
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| + console.error('passthrough facaded');
|
| + var pt = new PassThrough;
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| + var datas = [];
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| + pt.on('data', function(chunk) {
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| + datas.push(chunk.toString());
|
| + });
|
| +
|
| + pt.on('end', function() {
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| + t.same(datas, ['foog', 'bark', 'bazy', 'kuel']);
|
| + t.end();
|
| + });
|
| +
|
| + pt.write(new Buffer('foog'));
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| + setTimeout(function() {
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| + pt.write(new Buffer('bark'));
|
| + setTimeout(function() {
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| + pt.write(new Buffer('bazy'));
|
| + setTimeout(function() {
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| + pt.write(new Buffer('kuel'));
|
| + setTimeout(function() {
|
| + pt.end();
|
| + }, 10);
|
| + }, 10);
|
| + }, 10);
|
| + }, 10);
|
| +});
|
| +
|
| +test('object transform (json parse)', function(t) {
|
| + console.error('json parse stream');
|
| + var jp = new Transform({ objectMode: true });
|
| + jp._transform = function(data, encoding, cb) {
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| + try {
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| + jp.push(JSON.parse(data));
|
| + cb();
|
| + } catch (er) {
|
| + cb(er);
|
| + }
|
| + };
|
| +
|
| + // anything except null/undefined is fine.
|
| + // those are "magic" in the stream API, because they signal EOF.
|
| + var objects = [
|
| + { foo: 'bar' },
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| + 100,
|
| + "string",
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| + { nested: { things: [ { foo: 'bar' }, 100, "string" ] } }
|
| + ];
|
| +
|
| + var ended = false;
|
| + jp.on('end', function() {
|
| + ended = true;
|
| + });
|
| +
|
| + objects.forEach(function(obj) {
|
| + jp.write(JSON.stringify(obj));
|
| + var res = jp.read();
|
| + t.same(res, obj);
|
| + });
|
| +
|
| + jp.end();
|
| +
|
| + process.nextTick(function() {
|
| + t.ok(ended);
|
| + t.end();
|
| + })
|
| +});
|
| +
|
| +test('object transform (json stringify)', function(t) {
|
| + console.error('json parse stream');
|
| + var js = new Transform({ objectMode: true });
|
| + js._transform = function(data, encoding, cb) {
|
| + try {
|
| + js.push(JSON.stringify(data));
|
| + cb();
|
| + } catch (er) {
|
| + cb(er);
|
| + }
|
| + };
|
| +
|
| + // anything except null/undefined is fine.
|
| + // those are "magic" in the stream API, because they signal EOF.
|
| + var objects = [
|
| + { foo: 'bar' },
|
| + 100,
|
| + "string",
|
| + { nested: { things: [ { foo: 'bar' }, 100, "string" ] } }
|
| + ];
|
| +
|
| + var ended = false;
|
| + js.on('end', function() {
|
| + ended = true;
|
| + });
|
| +
|
| + objects.forEach(function(obj) {
|
| + js.write(obj);
|
| + var res = js.read();
|
| + t.equal(res, JSON.stringify(obj));
|
| + });
|
| +
|
| + js.end();
|
| +
|
| + process.nextTick(function() {
|
| + t.ok(ended);
|
| + t.end();
|
| + })
|
| +});
|
|
|