Add more firmata test coverage

platforms/firmata/firmata.go

@@ -100,6 +100,7 @@ func newBoard(sp io.ReadWriteCloser) *board {
 
 func (b *board) connect() {
 	if b.connected == false {
+		b.reset()
 		b.initBoard()
 
 		for {
@@ -240,7 +241,9 @@ func (b *board) process(data []byte) {
 			b.majorVersion, _ = buf.ReadByte()
 			b.minorVersion, _ = buf.ReadByte()
 			gobot.Publish(b.events["report_version"], b.version())
-		case analogMessageRangeStart <= messageType && analogMessageRangeEnd >= messageType:
+		case analogMessageRangeStart <= messageType &&
+			analogMessageRangeEnd >= messageType:
+
 			leastSignificantByte, _ := buf.ReadByte()
 			mostSignificantByte, _ := buf.ReadByte()
 
@@ -256,7 +259,9 @@ func (b *board) process(data []byte) {
 					byte(value & 0xff),
 				},
 			)
-		case digitalMessageRangeStart <= messageType && digitalMessageRangeEnd >= messageType:
+		case digitalMessageRangeStart <= messageType &&
+			digitalMessageRangeEnd >= messageType:
+
 			port := messageType & 0x0F
 			firstBitmask, _ := buf.ReadByte()
 			secondBitmask, _ := buf.ReadByte()
@@ -299,6 +304,7 @@ func (b *board) process(data []byte) {
 						}
 						b.pins = append(b.pins, pin{modes, output, 0, 0})
 						b.events[fmt.Sprintf("digital_read_%v", len(b.pins)-1)] = gobot.NewEvent()
+						b.events[fmt.Sprintf("pin_%v_state", len(b.pins)-1)] = gobot.NewEvent()
 						supportedModes = 0
 						n = 0
 						continue
@@ -338,7 +344,11 @@ func (b *board) process(data []byte) {
 				}
 
 				gobot.Publish(b.events[fmt.Sprintf("pin_%v_state", currentBuffer[2])],
-					[]byte{byte(pin.value & 0xff)},
+					map[string]int{
+						"pin":   int(currentBuffer[2]),
+						"mode":  int(pin.mode),
+						"value": int(pin.value),
+					},
 				)
 			case i2CReply:
 				i2cReply := map[string][]byte{

platforms/firmata/firmata_test.go

@@ -28,6 +28,24 @@ func initTestFirmata() *board {
 	return b
 }
 
+func TestReportVersion(t *testing.T) {
+	b := initTestFirmata()
+	//test if functions executes
+	b.reportVersion()
+}
+
+func TestQueryFirmware(t *testing.T) {
+	b := initTestFirmata()
+	//test if functions executes
+	b.queryFirmware()
+}
+
+func TestQueryPinState(t *testing.T) {
+	b := initTestFirmata()
+	//test if functions executes
+	b.queryPinState(byte(1))
+}
+
 func TestProcess(t *testing.T) {
 	b := initTestFirmata()
 	sem := make(chan bool)
@@ -72,14 +90,17 @@ func TestProcess(t *testing.T) {
 	})
 	b.process([]byte{0x90, 0x16, 0x00})
 	<-sem
-	//TODO we need a test here
 	//pinStateResponse
-	//gobot.Once(b.events["pin_0_state"], func(data interface{}) {
-	//	gobot.Expect(t, data, "")
-	//	sem <- true
-	//})
-	//b.process([]byte{240, 0x6E})
-	//<-sem
+	gobot.Once(b.events["pin_13_state"], func(data interface{}) {
+		gobot.Expect(t, data, map[string]int{
+			"pin":   13,
+			"mode":  1,
+			"value": 1,
+		})
+		sem <- true
+	})
+	b.process([]byte{240, 110, 13, 1, 1, 247})
+	<-sem
 	//i2cReply
 	gobot.Once(b.events["i2c_reply"], func(data interface{}) {
 		i2c_reply := map[string][]byte{