Increase ardrone test coverage

platforms/ardrone/ardrone_adaptor.go

@@ -25,34 +25,35 @@ type drone interface {
 type ArdroneAdaptor struct {
 	name    string
 	drone   drone
-	connect func(*ArdroneAdaptor) (err error)
+	config  client.Config
+	connect func(*ArdroneAdaptor) (drone, error)
 }
 
 // NewArdroneAdaptor creates a new ardrone and connects with default configuration
 func NewArdroneAdaptor(name string, v ...string) *ArdroneAdaptor {
-	return &ArdroneAdaptor{
+	a := &ArdroneAdaptor{
 		name: name,
-		connect: func(a *ArdroneAdaptor) (err error) {
-			config := client.DefaultConfig()
-			if len(v) > 0 {
-				config.Ip = v[0]
-			}
-			d, err := client.Connect(config)
-			if err != nil {
-				return
-			}
-			a.drone = d
-			return
+		connect: func(a *ArdroneAdaptor) (drone, error) {
+			return client.Connect(a.config)
 		},
 	}
+
+	a.config = client.DefaultConfig()
+	if len(v) > 0 {
+		a.config.Ip = v[0]
+	}
+
+	return a
 }
 
 func (a *ArdroneAdaptor) Name() string { return a.name }
 
 // Connect returns true when connection to ardrone is established correclty
 func (a *ArdroneAdaptor) Connect() (errs []error) {
-	if err := a.connect(a); err != nil {
+	if d, err := a.connect(a); err != nil {
 		return []error{err}
+	} else {
+		a.drone = d
 	}
 	return
 }

platforms/ardrone/ardrone_adaptor_test.go

@@ -1,6 +1,7 @@
 package ardrone
 
 import (
+	"errors"
 	"testing"
 
 	"github.com/hybridgroup/gobot"
@@ -8,19 +9,32 @@ import (
 
 func initTestArdroneAdaptor() *ArdroneAdaptor {
 	a := NewArdroneAdaptor("drone")
-	a.connect = func(a *ArdroneAdaptor) error {
-		a.drone = &testDrone{}
-		return nil
+	a.connect = func(a *ArdroneAdaptor) (drone, error) {
+		return &testDrone{}, nil
 	}
 	return a
 }
 
-func TestConnect(t *testing.T) {
-	a := initTestArdroneAdaptor()
-	gobot.Assert(t, len(a.Connect()), 0)
+func TestArdroneAdaptor(t *testing.T) {
+	a := NewArdroneAdaptor("drone")
+	gobot.Assert(t, a.Name(), "drone")
+	gobot.Assert(t, a.config.Ip, "192.168.1.1")
+
+	a = NewArdroneAdaptor("drone", "192.168.100.100")
+	gobot.Assert(t, a.config.Ip, "192.168.100.100")
 }
 
-func TestFinalize(t *testing.T) {
+func TestArdroneAdaptorConnect(t *testing.T) {
+	a := initTestArdroneAdaptor()
+	gobot.Assert(t, len(a.Connect()), 0)
+
+	a.connect = func(a *ArdroneAdaptor) (drone, error) {
+		return nil, errors.New("connection error")
+	}
+	gobot.Assert(t, a.Connect()[0], errors.New("connection error"))
+}
+
+func TestArdroneAdaptorFinalize(t *testing.T) {
 	a := initTestArdroneAdaptor()
 	gobot.Assert(t, len(a.Finalize()), 0)
 }

platforms/ardrone/ardrone_driver_test.go

@@ -8,9 +8,8 @@ import (
 
 func initTestArdroneDriver() *ArdroneDriver {
 	a := NewArdroneAdaptor("drone")
-	a.connect = func(a *ArdroneAdaptor) (err error) {
-		a.drone = &testDrone{}
-		return
+	a.connect = func(a *ArdroneAdaptor) (drone, error) {
+		return &testDrone{}, nil
 	}
 	d := NewArdroneDriver(a, "drone")
 	a.Connect()
@@ -19,7 +18,8 @@ func initTestArdroneDriver() *ArdroneDriver {
 
 func TestArdroneDriverStart(t *testing.T) {
 	d := initTestArdroneDriver()
-	gobot.Assert(t, len(d.Start()), 0)
+	gobot.Assert(t, d.Name(), "drone")
+	gobot.Assert(t, d.Connection().Name(), "drone")
 }
 
 func TestArdroneDriverHalt(t *testing.T) {