multiple listeners, more tests, understand multiaddr on the listen function

tests/libp2p-tcp-test.js

@@ -0,0 +1,57 @@
+/* eslint-env mocha */
+
+const expect = require('chai').expect
+const TCPlibp2p = require('../src')
+const net = require('net')
+const multiaddr = require('multiaddr')
+
+describe('libp2p-tcp', function () {
+  this.timeout(10000)
+  var tcp
+
+  it('create', (done) => {
+    tcp = new TCPlibp2p()
+    expect(tcp).to.exist
+    done()
+  })
+
+  it('listen', (done) => {
+    const mh = multiaddr('/ip4/127.0.0.1/tcp/9090')
+    tcp.createListener(mh, (socket) => {
+      expect(socket).to.exist
+      socket.end()
+      tcp.close(() => {
+        done()
+      })
+    }, () => {
+      const socket = net.connect({ host: '127.0.0.1', port: 9090 })
+      socket.end()
+    })
+  })
+
+  it('dial', (done) => {
+    const server = net.createServer((socket) => {
+      expect(socket).to.exist
+      socket.end()
+      server.close(done)
+    })
+
+    server.listen(9090, () => {
+      const mh = multiaddr('/ip4/127.0.0.1/tcp/9090')
+      const socket = tcp.dial(mh)
+      socket.end()
+    })
+  })
+
+  it('listen on several', (done) => {
+    const mh1 = multiaddr('/ip4/127.0.0.1/tcp/9090')
+    const mh2 = multiaddr('/ip4/127.0.0.1/tcp/9091')
+    const tcp = new TCPlibp2p()
+
+    tcp.createListener([mh1, mh2], (socket) => {}, () => {
+      tcp.close(done)
+    })
+  })
+
+  it.skip('listen on IPv6', (done) => {})
+})