Improve tests

internal/deck/status.go

@@ -10,10 +10,8 @@ func (p Status) String() string {
 	switch p {
 	case Stopped:
 		return "stopped"
-	case Playing:
-		return "playing"
 	default:
-		return "invalid"
+		return "playing"
 	}
 }
 

internal/deck/status_test.go

 package deck
+
+import "testing"
+
+func TestStatus_String(t *testing.T) {
+	var v Status = Playing
+	if ans := v.String(); ans != "playing" {
+		t.Fatalf("Playing.String() failed. expected %v, got %v", "playing", ans)
+	}
+	v = Stopped
+	if ans := v.String(); ans != "stopped" {
+		t.Fatalf("Playing.String() failed. expected %v, got %v", "stopped", ans)
+	}
+}
\ No newline at end of file

internal/version_test.go

-package internal

main_test.go

 package main
+
+import (
+	"os"
+	"testing"
+)
+
+func Test_main(t *testing.T) {
+	// Just call main help start which should work
+	os.Args = []string{"playlist", "help" , "start"}
+	main()
+}
\ No newline at end of file