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msgs/test/adapters/stream-test.js
Maintainability
69.50
Lines of code
119
Difficulty
31.62
Estimated Errors
1.04
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By SLOC
/* * Copyright 2012-2013 the original author or authors * @license MIT, see LICENSE.txt for details * * @author Scott Andrews */ (function (buster, define) { 'use strict'; var assert, refute, fail, sinon; assert = buster.assert; refute = buster.refute; fail = buster.assertions.fail; sinon = buster.sinon; function MockStream() { this.write = sinon.spy(); } MockStream.prototype = { on: function (type, handler) { this[type] = handler; } }; define('msgs/adapters/stream-test', function (require) { var msgs, bus; msgs = require('msgs/adapters/stream'); buster.testCase('msgs/adapters/stream', { setUp: function () { bus = msgs.bus(); }, tearDown: function () { bus.destroy(); }, 'should receive data events as messages with inboundStreamAdapter': function (done) { var stream, data; stream = new MockStream(); bus.channel('messages'); bus.inboundStreamAdapter(stream, { output: 'messages' }); bus.on('messages', function (payload) { assert.same(data, payload); done(); }); data = {}; stream.data(data); }, 'should write messages to the stream with outboundStreamAdapter': function () { var stream, data; stream = new MockStream(); bus.channel('messages'); bus.outboundStreamAdapter(stream, { input: 'messages' }); data = {}; bus.send('messages', data); assert.calledWith(stream.write, data); }, 'should write messages to the stream until closed': function () { var stream, data; stream = new MockStream(); bus.channel('messages'); bus.outboundStreamAdapter(stream, { input: 'messages' }); data = ['a', 'b', 'c']; bus.send('messages', data[0]); bus.send('messages', data[1]); stream.close(); bus.send('messages', data[2]); assert.equals([data[0]], stream.write.getCall(0).args); assert.equals([data[1]], stream.write.getCall(1).args); refute(stream.write.getCall(2)); }, 'should bridge sending and receiving data': function () { var stream, data; stream = new MockStream(); bus.channel('messages'); bus.streamGateway(stream, { input: 'messages', output: 'messages' }); data = 'echo'; stream.data(data); assert.calledWith(stream.write, data); }, 'should pass stream error events': function (done) { var stream, data; stream = new MockStream(); bus.channel('messages'); bus.streamGateway(stream, { error: 'messages' }); bus.on('messages', function (payload) { assert.same(data, payload); done(); }); data = 'uh oh'; stream.error(data); } }); }); }( this.buster || require('buster'), typeof define === 'function' && define.amd ? define : function (id, factory) { var packageName = id.split(/[\/\-]/)[0], pathToRoot = id.replace(/[^\/]+/g, '..'); pathToRoot = pathToRoot.length > 2 ? pathToRoot.substr(3) : pathToRoot; factory(function (moduleId) { return require(moduleId.indexOf(packageName) === 0 ? pathToRoot + moduleId.substr(packageName.length) : moduleId); }); } // Boilerplate for AMD and Node ));