fix: some typos. Adds some tests for hyperdeck class

package.json

@@ -31,7 +31,7 @@
     "test": "yarn lint && yarn unit",
     "test:integration": "yarn lint && jest --config=jest-integration.config.js",
     "watch": "jest --watch",
-    "cov": "jest --coverage; opn coverage/lcov-report/index.html",
+    "cov": "jest --coverage && opn coverage/lcov-report/index.html",
     "cov-open": "opn coverage/lcov-report/index.html",
     "send-coverage": "jest && codecov",
     "docs": "yarn docs:html && opn docs/index.html",

src/__mocks__/net.ts

@@ -0,0 +1,98 @@
+import { EventEmitter } from 'events'
+let setTimeoutOrg = setTimeout
+const sockets: Array<Socket> = []
+const onNextSocket: Array<Function> = []
+
+export class Socket extends EventEmitter {
+
+	public onWrite: (buff: Buffer, encoding: string) => void
+	public onConnect: (port: number, host: string) => void
+	public onClose: () => void
+
+	public expectedWrites: { call: string, response: string }[] = []
+
+	private _connected: boolean = false
+
+	constructor () {
+		super()
+
+		let cb = onNextSocket.shift()
+		if (cb) {
+			cb(this)
+		}
+
+		sockets.push(this)
+	}
+
+	public static mockSockets () {
+		return sockets
+	}
+	public static mockOnNextSocket (cb: (s: Socket) => void) {
+		onNextSocket.push(cb)
+	}
+	// this.emit('connect')
+	// this.emit('close')
+	// this.emit('end')
+
+	public setEncoding () {
+	}
+
+	public mockExpectedWrite(call: string, response: string) {
+		this.expectedWrites.push({ call, response })
+	}
+
+	public connect (port, host, cb) {
+		if (this.onConnect) this.onConnect(port, host)
+		setTimeoutOrg(() => {
+			if (cb)
+				cb()
+
+			this.setConnected()
+		}, 3)
+
+	}
+	public write (buff: Buffer, encoding: string = 'utf8') {
+		expect(this.expectedWrites).not.toHaveLength(0)
+
+		const w = this.expectedWrites.shift()
+		if (w) {
+			expect(buff).toEqual(w.call)
+			this.emit('data', w.response)
+		}
+
+		if (this.onWrite) {
+			this.onWrite(buff, encoding)
+		}
+	}
+	public end () {
+		this.setEnd()
+		this.setClosed()
+	}
+
+	public mockClose () {
+		this.setClosed()
+	}
+	public mockData (data: Buffer) {
+		this.emit('data', data)
+	}
+
+	private setConnected () {
+		if (this._connected !== true) {
+			this._connected = true
+		}
+		this.emit('connect')
+	}
+	private setClosed () {
+		if (this._connected !== false) {
+			this._connected = false
+		}
+		this.emit('close')
+		if (this.onClose) this.onClose()
+	}
+	private setEnd () {
+		if (this._connected !== false) {
+			this._connected = false
+		}
+		this.emit('end')
+	}
+}