stolarczykt

Class<?> clazz = Image.class;
Object imageInstance = clazz.newInstance();
 
Field descriptionField = imageInstance
	.getClass().getDeclaredField("description");
 
descriptionField.setAccessible(true);
descriptionField
	.set(imageInstance, "Pen Pineapple Apple Pen");

stolarczykt

public void save(boolean validationRequired) {
	if (validationRequired) {
		validate();
		store();
	} else {
		store();
	}
}

stolarczykt

//Stamp coupling
public EmployeeAddress findAddressFor(EmployeeData employeeData) {
 
	EmployeeAddress address = repository
		.findByEmployeeId(employeeData.getId())
	//method body
	return address;
}
 
//Data coupling

stolarczykt

public class CoincidentalCohesion {
 
	public void log(Exception e) {
    	//method body
    }
 
	public void sendMessage(Recepient recepient) {
    	//method body
    }
 

stolarczykt

public class MathUtils {
  
    public static double sin(double a) {
      //method's body
      return sin;
    }

    public static double cos(double a) {
      //method's body
      return sin;

stolarczykt

public class DocsInitializer {
 
	public void createBaseDirectoryStructure() {
    	//creating required directory structure
    }
 
	public void cacheDefaults() {
    	//caching required defaults
    }
 

stolarczykt

public class DocsRepository {
  
  public Doc findById(DocId id) {
    //method's body
    return doc;
  }
  
  public Doc save(Doc document) {
    //method's body
    return doc;

stolarczykt

public class PolishTaxPolicy implements TaxPolicy {
 
  public Money calculateTax(Money amount) {
    //method body
    return tax;
  }
}

stolarczykt

test 'change advertisement content' do
 advertisement_id = SecureRandom.random_number
 author_id = SecureRandom.random_number
 new_content = "Random content: #{SecureRandom.hex}"
 command_bus.(PublishAdvertisement.new(advertisement_id, author_id))

 assert_events(
     "Advertisement$#{advertisement_id}",
     ContentHasChanged.new(data: {content: new_content})
 ) do

stolarczykt

def assert_events(stream_name, *expected_events)
 scope = Rails.configuration.event_store.read.stream(stream_name)
 before = scope.last
 yield
 actual_events = before.nil? ? scope.to_a : scope.from(before.event_id).to_a
 to_compare = ->(ev) { { type: ev.event_type, data: ev.data } }
 assert_equal expected_events.map(&to_compare),
              actual_events.map(&to_compare)
end