add output

pkg/app/test_command.go

@@ -33,7 +33,8 @@ func TestCommand(testPath string, ctx TestCommandContext) error {
 		log.SetOutput(os.Stdout)
 	}
 
-	out, err := output.NewOutput(ctx.Format, !ctx.NoColor)
+	var err error
+	out, err = output.NewOutput(ctx.Format, !ctx.NoColor)
 	if err != nil {
 		return err
 	}
@@ -66,7 +67,6 @@ func TestCommand(testPath string, ctx TestCommandContext) error {
 		return fmt.Errorf(err.Error())
 	}
 
-
 	out.PrintSummary(result)
 	if result.Failed != 0 && !ctx.Verbose {
 		return fmt.Errorf("Test suite failed, use --verbose for more detailed output")

pkg/output/tap.go

@@ -23,7 +23,7 @@ func NewTAPOutputWriter() Output {
 }
 
 func (w TAPOutputWriter) GetEventHandler() *runtime.EventHandler {
-	return nil
+	return runtime.NewEmptyEventHandler()
 }
 
 func (w TAPOutputWriter) PrintSummary(result runtime.Result) {
@@ -37,8 +37,7 @@ func (w TAPOutputWriter) PrintSummary(result runtime.Result) {
 		counter++
 		if r.FailedProperty != "" {
 			w.fprintf("%d ok - %s", counter+1, r.TestCase.Title)
-		}
-		if r.FailedProperty != "" {
+		} else {
 			w.fprintf("%d not ok - %s", counter+1, r.TestCase.Title)
 		}
 	}

pkg/runtime/runtime.go

@@ -166,3 +166,11 @@ func (r *Runtime) Start(tests []TestCase) Result {
 
 	return result
 }
+
+// NewEmptyEventHandler returns an event handler with empty implementations
+func NewEmptyEventHandler() *EventHandler {
+	return &EventHandler{
+		TestFinished: func(result TestResult) {},
+		TestSkipped: func(result TestResult) {},
+	}
+}