Improve device.getSupportedDevices() to return valid slugs

lib/device/device-data.json

@@ -0,0 +1,10 @@
+{
+	"Raspberry Pi": {
+		"slug": "raspberry-pi",
+		"names": [
+			"raspberry-pi",
+			"raspberrypi",
+			"rpi"
+		]
+	}
+}

lib/device/device-names.json

@@ -1,7 +0,0 @@
-{
-	"Raspberry Pi": [
-		"raspberry-pi",
-		"raspberrypi",
-		"rpi"
-	]
-}

lib/device/device.coffee

@@ -1,11 +1,12 @@
 _ = require('lodash')
-DEVICE_NAMES = require('./device-names.json')
+DEVICES = require('./device-data.json')
 
 exports.getDisplayName = (device) ->
-	for key, value of DEVICE_NAMES
-		if _.indexOf(value, device) isnt -1
+	for key, value of DEVICES
+		if _.indexOf(value.names, device) isnt -1
 			return key
 	return 'Unknown'
 
 exports.getSupportedDevices = ->
-	return _.keys(DEVICE_NAMES)
+	return _.map DEVICES, (device) ->
+		return device.slug

lib/device/device.spec.coffee

@@ -1,5 +1,6 @@
 expect = require('chai').expect
 device = require('./device')
+DEVICES = require('./device-data.json')
 
 describe 'Device:', ->
 
@@ -28,6 +29,14 @@ describe 'Device:', ->
 
 	describe '#getSupportedDevices()', ->
 
-		it 'should return an array', ->
+		result = null
+
+		beforeEach ->
 			result = device.getSupportedDevices()
+
+		it 'should return an array', ->
 			expect(result).to.be.an.instanceof(Array)
+
+		it 'should return all slugs', ->
+			for device in DEVICES
+				expect(result.indexOf(device.slug)).to.not.equal(-1)