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An open library used to connect to the ecFeed service. It can be also used as a standalone testing tool. It is integrated with Junit5 and generates a stream of test cases using a selected algorithm (e.g. Cartesian, N-Wise). There are no limitations associated with the off-line version but the user cannot access the on-line computation servers and the model database.

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/*******************************************************************************
 *
 * Copyright (c) 2016 ecFeed AS.                                                
 * All rights reserved. This program and the accompanying materials              
 * are made available under the terms of the Eclipse Public License v1.0         
 * which accompanies this distribution, and is available at                      
 * http://www.eclipse.org/legal/epl-v10.html 
 *  
 *******************************************************************************/

package com.ecfeed.core.model;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ChoiceNodeHelper {

	public static ChoiceNode createSubstitutePath(ChoiceNode choice, MethodParameterNode parameter) {
		List copies = createListOfCopies(choice);
		setParentsOfChoices(copies, parameter);
		return copies.get(0);
	}

	private static List createListOfCopies(ChoiceNode choice) {
		ChoiceNode orgChoice = choice;
		List copies = new ArrayList();

		for(;;) {
			ChoiceNode copy = 
					new ChoiceNode(
							orgChoice.getFullName(), orgChoice.getModelChangeRegistrator(), orgChoice.getValueString());
			
			copies.add(copy);

			AbstractNode orgParent = orgChoice.getParent();
			if (!(orgParent instanceof ChoiceNode)) {
				break;
			}

			orgChoice = (ChoiceNode)orgParent;
		}

		return copies;
	}

	private static void setParentsOfChoices(List copies, MethodParameterNode parameter) {
		int copiesSize = copies.size();
		int lastIndex = copiesSize - 1;

		for (int index = 0; index < lastIndex; index++) {
			ChoiceNode current = copies.get(index);
			ChoiceNode next = copies.get(index + 1);

			current.setParent(next);
		}

		ChoiceNode last = copies.get(copiesSize - 1);
		last.setParent(parameter);
	}

	public static Map> convertToParamAndChoiceNames(MethodNode methodNode, List> algorithmInput) {
		
		Map> paramAndChoiceNames = new HashMap>();
		
		int parametersCount = methodNode.getParametersCount();
		
		for (int parameterIndex = 0;  parameterIndex < parametersCount;  parameterIndex++) {
			
			String parameterName = methodNode.getParameter(parameterIndex).getFullName();
			List choicesForParameter = algorithmInput.get(parameterIndex);
			
			paramAndChoiceNames.put(parameterName, getChoiceNames(choicesForParameter));
		}
		
		return paramAndChoiceNames;
	}
	
	public static List getChoiceNames(List choiceNodes) {
		
		List choiceNames = new ArrayList<>();
		
		for (ChoiceNode choiceNode : choiceNodes) {
			
			String choiceName = choiceNode.getQualifiedName();
			choiceNames.add(choiceName);
		}
		
		return choiceNames;
	}
	
}