Merge pull request libp2p#31 from diasdavid/clean/browser-tests

WIP: clean browser tests, add badgers

Author: daviddias

README.md

@@ -5,6 +5,9 @@ libp2p-swarm JavaScript implementation
 [![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://ipfs.io/) 
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
 [![Build Status](https://img.shields.io/travis/diasdavid/js-libp2p-swarm/master.svg?style=flat-square)](https://travis-ci.org/diasdavid/js-libp2p-swarm)
+![](https://img.shields.io/badge/coverage-%3F-yellow.svg?style=flat-square)
+[![Dependency Status](https://david-dm.org/ipfs/js-libp2p-swarm.svg?style=flat-square)](https://david-dm.org/ipfs/js-libp2p-swarm)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
 
 > libp2p swarm implementation in JavaScript
 

karma.conf.js

@@ -1,18 +1,20 @@
+const path = require('path')
+
 module.exports = function (config) {
-  var path = require('path')
-  var nodeForgePath = path.resolve(__dirname, 'node_modules/peer-id/deps/forge.bundle.js')
+  const nodeForgePath = path.resolve(__dirname, 'node_modules/peer-id/deps/forge.bundle.js')
 
   config.set({
     basePath: '',
     frameworks: ['mocha'],
 
     files: [
       nodeForgePath,
-      'tests/browser.js'
+      'tests/browser-nodejs/browser.js'
     ],
 
     preprocessors: {
-      'tests/*': ['webpack']
+      'tests/*': ['webpack'],
+      'tests/browser-nodejs/*': ['webpack']
     },
 
     webpack: {

package.json

@@ -1,11 +1,11 @@
 {
   "name": "libp2p-swarm",
   "version": "0.9.0",
-  "description": "libp2p swarm implementation in Node.js",
+  "description": "libp2p swarm implementation in JavaScript",
   "main": "src/index.js",
   "scripts": {
     "test:node": "mocha tests/*-test.js",
-    "test:browser": "node tests/karma.js",
+    "test:browser": "node tests/browser-nodejs/test.js",
     "test": "npm run test:node && npm run test:browser",
     "coverage": "istanbul cover --print both -- _mocha tests/*-test.js",
     "lint": "standard"

tests/browser-nodejs/browser.js

@@ -0,0 +1,123 @@
+/* eslint-env mocha */
+
+const expect = require('chai').expect
+const multiaddr = require('multiaddr')
+const Id = require('peer-id')
+const Peer = require('peer-info')
+const Swarm = require('./../../src')
+const WebSockets = require('libp2p-websockets')
+const bl = require('bl')
+
+describe('basics', () => {
+  it('throws on missing peerInfo', (done) => {
+    expect(Swarm).to.throw(Error)
+    done()
+  })
+})
+
+describe('transport - websockets', function () {
+  this.timeout(10000)
+
+  var swarm
+
+  before((done) => {
+    const b58IdSrc = 'QmYzgdesgjdvD3okTPGZT9NPmh1BuH5FfTVNKjsvaAprhb'
+    // use a pre generated Id to save time
+    const idSrc = Id.createFromB58String(b58IdSrc)
+    const peerSrc = new Peer(idSrc)
+    swarm = new Swarm(peerSrc)
+
+    done()
+  })
+
+  it('add', (done) => {
+    swarm.transport.add('ws', new WebSockets(), () => {
+      expect(Object.keys(swarm.transports).length).to.equal(1)
+      done()
+    })
+  })
+
+  it('dial', (done) => {
+    const ma = multiaddr('/ip4/127.0.0.1/tcp/9100/websockets')
+
+    const conn = swarm.transport.dial('ws', ma, (err, conn) => {
+      expect(err).to.not.exist
+    })
+
+    conn.pipe(bl((err, data) => {
+      expect(err).to.not.exist
+      expect(data.toString()).to.equal('hey')
+      done()
+    }))
+    conn.write('hey')
+    conn.end()
+  })
+})
+
+describe('high level API - 1st without stream multiplexing (on websockets)', function () {
+  this.timeout(10000)
+
+  var swarm
+  var peerDst
+
+  before((done) => {
+    const b58IdSrc = 'QmYzgdesgjdvD3okTPGZT9NPmh1BuH5FfTVNKjsvaAprhb'
+    // use a pre generated Id to save time
+    const idSrc = Id.createFromB58String(b58IdSrc)
+    const peerSrc = new Peer(idSrc)
+    swarm = new Swarm(peerSrc)
+
+    done()
+  })
+
+  after((done) => {
+    done()
+    // swarm.close(done)
+  })
+
+  it('add ws', (done) => {
+    swarm.transport.add('ws', new WebSockets())
+    expect(Object.keys(swarm.transports).length).to.equal(1)
+    done()
+  })
+
+  it('create Dst peer info', (done) => {
+    const b58IdDst = 'QmYzgdesgjdvD3okTPGZT9NPmh1BuH5FfTVNKjsvaAprhb'
+    // use a pre generated Id to save time
+    const idDst = Id.createFromB58String(b58IdDst)
+    peerDst = new Peer(idDst)
+
+    const ma = multiaddr('/ip4/127.0.0.1/tcp/9200/websockets')
+    peerDst.multiaddr.add(ma)
+    done()
+  })
+
+  it('dial on protocol', (done) => {
+    swarm.dial(peerDst, '/echo/1.0.0', (err, conn) => {
+      expect(err).to.not.exist
+      conn.pipe(bl((err, data) => {
+        expect(err).to.not.exist
+        expect(data.toString()).to.equal('hey')
+        done()
+      }))
+      conn.write('hey')
+      conn.end()
+    })
+  })
+
+  it('dial to warm a conn', (done) => {
+    swarm.dial(peerDst, (err) => {
+      expect(err).to.not.exist
+      done()
+    })
+  })
+
+  it('dial on protocol, reuse warmed conn', (done) => {
+    swarm.dial(peerDst, '/echo/1.0.0', (err, conn) => {
+      expect(err).to.not.exist
+      conn.end()
+      conn.on('data', () => {}) // let it flow.. let it flooooow
+      conn.on('end', done)
+    })
+  })
+})

tests/browser-nodejs/test.js

@@ -0,0 +1,65 @@
+const Server = require('karma').Server
+const path = require('path')
+
+const Peer = require('peer-info')
+const Id = require('peer-id')
+const WebSockets = require('libp2p-websockets')
+const Swarm = require('./../../src')
+const multiaddr = require('multiaddr')
+
+var swarmA
+var swarmB
+
+function createListeners (done) {
+  function createListenerA (cb) {
+    const b58IdA = 'QmWg2L4Fucx1x4KXJTfKHGixBJvveubzcd7DdhB2Mqwfh1'
+    const peerA = new Peer(Id.createFromB58String(b58IdA))
+    const maA = multiaddr('/ip4/127.0.0.1/tcp/9100/websockets')
+
+    peerA.multiaddr.add(maA)
+    swarmA = new Swarm(peerA)
+    swarmA.transport.add('ws', new WebSockets())
+    swarmA.transport.listen('ws', {}, echo, cb)
+  }
+
+  function createListenerB (cb) {
+    const b58IdB = 'QmRy1iU6BHmG5Hd8rnPhPL98cy1W1przUSTAMcGDq9yAAV'
+    const maB = multiaddr('/ip4/127.0.0.1/tcp/9200/websockets')
+    const peerB = new Peer(Id.createFromB58String(b58IdB))
+    peerB.multiaddr.add(maB)
+    swarmB = new Swarm(peerB)
+
+    swarmB.transport.add('ws', new WebSockets())
+    swarmB.transport.listen('ws', {}, null, cb)
+
+    swarmB.handle('/echo/1.0.0', echo)
+  }
+
+  var count = 0
+  const ready = () => ++count === 2 ? done() : null
+
+  createListenerA(ready)
+  createListenerB(ready)
+
+  function echo (conn) {
+    conn.pipe(conn)
+  }
+}
+
+function stop (done) {
+  var count = 0
+  const ready = () => ++count === 2 ? done() : null
+
+  swarmA.transport.close('ws', ready)
+  swarmB.transport.close('ws', ready)
+}
+
+function run (done) {
+  const karma = new Server({
+    configFile: path.join(__dirname, '../../karma.conf.js')
+  }, done)
+
+  karma.start()
+}
+
+createListeners(() => run(() => stop(() => null)))