WIP - feat: convergence (#94)

* feat: convergence

* structure examples

test/browser-bundle/websockets-only.js

@@ -0,0 +1,201 @@
+/* eslint max-nested-callbacks: ["error", 8] */
+/* eslint-env mocha */
+'use strict'
+
+const chai = require('chai')
+chai.use(require('dirty-chai'))
+const expect = chai.expect
+const PeerInfo = require('peer-info')
+const PeerId = require('peer-id')
+const pull = require('pull-stream')
+const goodbye = require('pull-goodbye')
+const serializer = require('pull-serializer')
+const Buffer = require('safe-buffer').Buffer
+
+const Node = require('./browser-bundle')
+const rawPeer = require('./peer.json')
+
+describe('libp2p-ipfs-browser (websockets only)', () => {
+  let peerB
+  let nodeA
+
+  before((done) => {
+    const ma = '/ip4/127.0.0.1/tcp/9200/ws/ipfs/' + rawPeer.id
+
+    PeerId.createFromPrivKey(rawPeer.privKey, (err, id) => {
+      if (err) {
+        return done(err)
+      }
+
+      peerB = new PeerInfo(id)
+      peerB.multiaddrs.add(ma)
+      done()
+    })
+  })
+
+  after((done) => nodeA.stop(done))
+
+  it('create libp2pNode', (done) => {
+    PeerInfo.create((err, peerInfo) => {
+      expect(err).to.not.exist()
+      peerInfo.multiaddrs.add('/ip4/0.0.0.0/tcp/0')
+
+      nodeA = new Node(peerInfo)
+      done()
+    })
+  })
+
+  it('create libp2pNode with multiplex only', (done) => {
+    PeerInfo.create((err, peerInfo) => {
+      expect(err).to.not.exist()
+
+      const b = new Node(peerInfo, null, { muxer: ['multiplex'] })
+      expect(b.modules.connection.muxer).to.eql([require('libp2p-multiplex')])
+      done()
+    })
+  })
+
+  it('start libp2pNode', (done) => {
+    nodeA.start(done)
+  })
+
+  // General connectivity tests
+
+  it('libp2p.dial using Multiaddr nodeA to nodeB', (done) => {
+    nodeA.dial(peerB.multiaddrs.toArray()[0], (err) => {
+      expect(err).to.not.exist()
+
+      setTimeout(check, 500) // Some time for Identify to finish
+
+      function check () {
+        const peers = nodeA.peerBook.getAll()
+        expect(Object.keys(peers)).to.have.length(1)
+        done()
+      }
+    })
+  })
+
+  it('libp2p.dial using Multiaddr on Protocol nodeA to nodeB', (done) => {
+    nodeA.dial(peerB.multiaddrs.toArray()[0], '/echo/1.0.0', (err, conn) => {
+      expect(err).to.not.exist()
+
+      const peers = nodeA.peerBook.getAll()
+      expect(Object.keys(peers)).to.have.length(1)
+
+      pull(
+        pull.values([Buffer.from('hey')]),
+        conn,
+        pull.collect((err, data) => {
+          expect(err).to.not.exist()
+          expect(data).to.eql([Buffer.from('hey')])
+          done()
+        })
+      )
+    })
+  })
+
+  it('libp2p.hangUp using Multiaddr nodeA to nodeB', (done) => {
+    nodeA.hangUp(peerB.multiaddrs.toArray()[0], (err) => {
+      expect(err).to.not.exist()
+
+      setTimeout(check, 500)
+
+      function check () {
+        const peers = nodeA.peerBook.getAll()
+        expect(Object.keys(peers)).to.have.length(1)
+        expect(Object.keys(nodeA.swarm.muxedConns)).to.have.length(0)
+        done()
+      }
+    })
+  })
+
+  it('libp2p.dial using PeerInfo nodeA to nodeB', (done) => {
+    nodeA.dial(peerB, (err) => {
+      expect(err).to.not.exist()
+
+      setTimeout(check, 500) // Some time for Identify to finish
+
+      function check () {
+        const peers = nodeA.peerBook.getAll()
+        expect(Object.keys(peers)).to.have.length(1)
+        done()
+      }
+    })
+  })
+
+  it('libp2p.dial using PeerInfo on Protocol nodeA to nodeB', (done) => {
+    nodeA.dial(peerB, '/echo/1.0.0', (err, conn) => {
+      expect(err).to.not.exist()
+      const peers = nodeA.peerBook.getAll()
+      expect(err).to.not.exist()
+      expect(Object.keys(peers)).to.have.length(1)
+
+      pull(
+        pull.values([Buffer.from('hey')]),
+        conn,
+        pull.collect((err, data) => {
+          expect(err).to.not.exist()
+          expect(data).to.eql([Buffer.from('hey')])
+          done()
+        })
+      )
+    })
+  })
+
+  it('libp2p.hangUp using PeerInfo nodeA to nodeB', (done) => {
+    nodeA.hangUp(peerB, (err) => {
+      expect(err).to.not.exist()
+      setTimeout(check, 500)
+
+      function check () {
+        const peers = nodeA.peerBook.getAll()
+        expect(err).to.not.exist()
+        expect(Object.keys(peers)).to.have.length(1)
+        expect(Object.keys(nodeA.swarm.muxedConns)).to.have.length(0)
+        done()
+      }
+    })
+  })
+
+  describe('stress', () => {
+    it('one big write', (done) => {
+      nodeA.dial(peerB, '/echo/1.0.0', (err, conn) => {
+        expect(err).to.not.exist()
+        const rawMessage = Buffer.alloc(100000)
+        rawMessage.fill('a')
+
+        const s = serializer(goodbye({
+          source: pull.values([rawMessage]),
+          sink: pull.collect((err, results) => {
+            expect(err).to.not.exist()
+            expect(results).to.have.length(1)
+            expect(Buffer.from(results[0])).to.have.length(rawMessage.length)
+            done()
+          })
+        }))
+        pull(s, conn, s)
+      })
+    })
+
+    it('many writes', (done) => {
+      nodeA.dial(peerB, '/echo/1.0.0', (err, conn) => {
+        expect(err).to.not.exist()
+
+        const s = serializer(goodbye({
+          source: pull(
+            pull.infinite(),
+            pull.take(1000),
+            pull.map((val) => Buffer.from(val.toString()))
+          ),
+          sink: pull.collect((err, result) => {
+            expect(err).to.not.exist()
+            expect(result).to.have.length(1000)
+            done()
+          })
+        }))
+
+        pull(s, conn, s)
+      })
+    })
+  })
+})