fix: start and stop connection manager with libp2p

test: add test to verify libp2p starts and stops the right things
test: add test for verifying disabled modules
fix: linting

test/create.spec.js

@@ -0,0 +1,79 @@
+/* eslint-env mocha */
+'use strict'
+
+const chai = require('chai')
+chai.use(require('dirty-chai'))
+const expect = chai.expect
+const series = require('async/series')
+const createNode = require('./utils/create-node')
+const sinon = require('sinon')
+
+describe('libp2p creation', () => {
+  it('should be able to start and stop successfully', (done) => {
+    createNode([], {
+      config: {
+        EXPERIMENTAL: {
+          dht: true,
+          pubsub: true
+        }
+      }
+    }, (err, node) => {
+      expect(err).to.not.exist()
+
+      let sw = node._switch
+      let cm = node.connectionManager
+      let dht = node._dht
+      let pub = node._floodSub
+
+      sinon.spy(sw, 'start')
+      sinon.spy(cm, 'start')
+      sinon.spy(dht, 'start')
+      sinon.spy(pub, 'start')
+      sinon.spy(sw, 'stop')
+      sinon.spy(cm, 'stop')
+      sinon.spy(dht, 'stop')
+      sinon.spy(pub, 'stop')
+      sinon.spy(node, 'emit')
+
+      series([
+        (cb) => node.start(cb),
+        (cb) => {
+          expect(sw.start.calledOnce).to.equal(true)
+          expect(cm.start.calledOnce).to.equal(true)
+          expect(dht.start.calledOnce).to.equal(true)
+          expect(pub.start.calledOnce).to.equal(true)
+          expect(node.emit.calledWith('start')).to.equal(true)
+
+          cb()
+        },
+        (cb) => node.stop(cb)
+      ], (err) => {
+        expect(err).to.not.exist()
+
+        expect(sw.stop.calledOnce).to.equal(true)
+        expect(cm.stop.calledOnce).to.equal(true)
+        expect(dht.stop.calledOnce).to.equal(true)
+        expect(pub.stop.calledOnce).to.equal(true)
+        expect(node.emit.calledWith('stop')).to.equal(true)
+
+        done()
+      })
+    })
+  })
+
+  it('should not create disabled modules', (done) => {
+    createNode([], {
+      config: {
+        EXPERIMENTAL: {
+          dht: false,
+          pubsub: false
+        }
+      }
+    }, (err, node) => {
+      expect(err).to.not.exist()
+      expect(node._dht).to.not.exist()
+      expect(node._floodSub).to.not.exist()
+      done()
+    })
+  })
+})