test: add test to verify libp2p starts and stops the right things

README.md

@@ -165,6 +165,9 @@ class Node extends libp2p {
             active: false
           }
         },
+        dht: {
+          kBucketSize: 20
+        },
         // Enable/Disable Experimental features
         EXPERIMENTAL: {               // Experimental features ("behind a flag")
           pubsub: false,

package.json

@@ -33,7 +33,8 @@
   },
   "homepage": "https://github.com/libp2p/js-libp2p",
   "browser": {
-    "joi": "joi-browser"
+    "joi": "joi-browser",
+    "./test/utils/bundle-nodejs": "./test/utils/bundle-browser"
   },
   "dependencies": {
     "async": "^2.6.1",

test/create.spec.js

@@ -0,0 +1,63 @@
+/* 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.be.true
+          expect(cm.start.calledOnce).to.be.true
+          expect(dht.start.calledOnce).to.be.true
+          expect(pub.start.calledOnce).to.be.true
+          expect(node.emit.calledWith('start')).to.be.true
+
+          cb()
+        },
+        (cb) => node.stop(cb)
+      ], (err) => {
+        expect(err).to.not.exist()
+
+        expect(sw.stop.calledOnce).to.be.true
+        expect(cm.stop.calledOnce).to.be.true
+        expect(dht.stop.calledOnce).to.be.true
+        expect(pub.stop.calledOnce).to.be.true
+        expect(node.emit.calledWith('stop')).to.be.true
+
+        done()
+      })
+    })
+  })
+})

test/utils/bundle-browser.js

@@ -78,6 +78,9 @@ class Node extends libp2p {
             active: false
           }
         },
+        dht: {
+          kBucketSize: 20
+        },
         EXPERIMENTAL: {
           dht: false,
           pubsub: false