Adding basic test coverage to opencv

.gitignore

@@ -2,3 +2,4 @@
 *.test
 *.swp
 profile.cov
+count.out

platforms/opencv/camera_driver_test.go

@@ -6,7 +6,7 @@ import (
 )
 
 func initTestCameraDriver() *CameraDriver {
-	return NewCameraDriver("bot", 0)
+	return NewCameraDriver("bot", "")
 }
 
 func TestCameraDriverStart(t *testing.T) {
@@ -15,14 +15,24 @@ func TestCameraDriverStart(t *testing.T) {
 	gobot.Assert(t, d.Start(), true)
 }
 
+func TestCameraDriverStartPanic(t *testing.T) {
+  recovered := false
+  defer func() {
+    if r := recover(); r != nil {
+      recovered = true
+    }
+  }()
+
+  NewCameraDriver("bot", false).Start()
+	gobot.Expect(t, recovered, true)
+}
+
 func TestCameraDriverHalt(t *testing.T) {
-	t.SkipNow()
 	d := initTestCameraDriver()
 	gobot.Assert(t, d.Halt(), true)
 }
 
 func TestCameraDriverInit(t *testing.T) {
-	t.SkipNow()
 	d := initTestCameraDriver()
 	gobot.Assert(t, d.Init(), true)
 }

platforms/opencv/window_driver_test.go

@@ -1,8 +1,11 @@
 package opencv
 
 import (
+	cv "github.com/hybridgroup/go-opencv/opencv"
 	"github.com/hybridgroup/gobot"
 	"testing"
+  "path"
+  "runtime"
 )
 
 func initTestWindowDriver() *WindowDriver {
@@ -16,13 +19,21 @@ func TestWindowDriverStart(t *testing.T) {
 }
 
 func TestWindowDriverHalt(t *testing.T) {
-	t.SkipNow()
 	d := initTestWindowDriver()
 	gobot.Assert(t, d.Halt(), true)
 }
 
 func TestWindowDriverInit(t *testing.T) {
-	t.SkipNow()
 	d := initTestWindowDriver()
 	gobot.Assert(t, d.Init(), true)
 }
+
+func TestWindowDriverShowImage(t *testing.T) {
+  t.SkipNow()
+	d := initTestWindowDriver()
+  _, currentfile, _, _ := runtime.Caller(0)
+  image := cv.LoadImage(path.Join(path.Dir(currentfile), "test.png"))
+
+  d.Start()
+  d.ShowImage(image)
+}