Add the error for an empty test.

src/main/java/space/kklochko/simple_jbdd/tests/commands/decorators/ErrorDecorator.java

@@ -0,0 +1,20 @@
+package space.kklochko.simple_jbdd.tests.commands.decorators;
+
+import space.kklochko.simple_jbdd.tests.Test;
+import space.kklochko.simple_jbdd.tests.commands.AbstractTestCommand;
+
+public class ErrorDecorator<T extends Test> extends AbstractDecorator<T> {
+    public ErrorDecorator(String error_label, AbstractTestCommand<T> command, String type) {
+        super(error_label, command);
+        setType(type);
+    }
+
+    public boolean test() {
+        return false;
+    }
+
+    public boolean runMethod() {
+        return false;
+    };
+}
+

src/main/java/space/kklochko/simple_jbdd/tests/factories/TestCommandFactory.java

@@ -8,6 +8,7 @@ import space.kklochko.simple_jbdd.tests.Test;
 import space.kklochko.simple_jbdd.tests.commands.AbstractTestCommand;
 import space.kklochko.simple_jbdd.tests.commands.SimpleTestCommand;
 import space.kklochko.simple_jbdd.tests.commands.decorators.BlockDecorator;
+import space.kklochko.simple_jbdd.tests.commands.decorators.ErrorDecorator;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
@@ -20,6 +21,9 @@ public class TestCommandFactory {
 
         AbstractTestCommand<Test> aTestCommand = createTest(aClass, input);
 
+        if(test_methods.size() == 0)
+            return new ErrorDecorator("ERROR!!! No blocks!!!", aTestCommand, "Error");
+
         if(test_methods.containsKey("Then")) {
             ArrayList<Method> thens = getMethodsInReverseOrder(test_methods, "Then");
             for(Method then : thens) {