basic muxer tests

test/muxer.spec.js

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+/* eslint-env mocha */
+'use strict'
+
+const chai = require('chai')
+const dirtyChai = require('dirty-chai')
+const expect = chai.expect
+chai.use(dirtyChai)
+
+const EventEmitter = require('events')
+const pair = require('pull-pair/duplex')
+
+const Muxer = require('../src/muxer')
+
+describe('multiplex-muxer', () => {
+  let muxer
+  let multiplex
+
+  it('can be created', () => {
+    const p = pair()
+    multiplex = new EventEmitter()
+    muxer = new Muxer(p, multiplex)
+  })
+
+  it('catches newStream errors', (done) => {
+    multiplex.createStream = () => {
+      throw new Error('something nbad happened')
+    }
+    muxer.newStream((err) => {
+      expect(err).to.exist()
+      expect(err.message).to.equal('something nbad happened')
+      done()
+    })
+  })
+
+  it('can get destroyed', (done) => {
+    let destroyed = false
+    multiplex.destroy = () => {
+      destroyed = true
+      setImmediate(() => multiplex.emit('close'))
+    }
+
+    muxer.end((err) => {
+      expect(err).to.not.exist()
+      expect(destroyed).to.be.true()
+      done()
+    })
+  })
+})