mdsalutil/mdsalutil-api/src/test/java/org/opendaylight/genius/mdsalutil/interfaces/testutils/TestIMdsalApiManager.java

   1 /*
   2  * Copyright (c) 2016 Red Hat, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.genius.mdsalutil.interfaces.testutils;
   9
  10 import static org.junit.Assert.assertTrue;
  11 import static org.opendaylight.yangtools.testutils.mockito.MoreAnswers.realOrException;
  12
  13 import com.google.common.collect.Iterables;
  14 import com.google.common.collect.Lists;
  15 import java.util.ArrayList;
  16 import java.util.Collections;
  17 import java.util.List;
  18 import org.mockito.Mockito;
  19 import org.opendaylight.genius.mdsalutil.FlowEntity;
  20 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  21 import org.opendaylight.mdsal.binding.testutils.AssertDataObjects;
  22
  23 /**
  24  * Fake IMdsalApiManager useful for tests.
  25  *
  26  * <p>Read e.g.
  27  * http://googletesting.blogspot.ch/2013/07/testing-on-toilet-know-your-test-doubles.html
  28  * and http://martinfowler.com/articles/mocksArentStubs.html for more background.
  29  *
  30  * <p>This class is abstract just to save reading lines and typing keystrokes to
  31  * manually implement a bunch of methods we're not yet interested in.  Create instances
  32  * of it using it's static {@link #newInstance()} method.
  33  *
  34  * @author Michael Vorburger
  35  */
  36 public abstract class TestIMdsalApiManager implements IMdsalApiManager {
  37
  38     private List<FlowEntity> flows;
  39
  40     public static TestIMdsalApiManager newInstance() {
  41         return Mockito.mock(TestIMdsalApiManager.class, realOrException());
  42     }
  43
  44     private synchronized List<FlowEntity> initializeFlows() {
  45         return Collections.synchronizedList(new ArrayList<>());
  46     }
  47
  48     public List<FlowEntity> getFlows() {
  49         if (flows == null) {
  50             flows = initializeFlows();
  51         }
  52         return flows;
  53     }
  54
  55     public void assertFlows(Iterable<FlowEntity> expectedFlows) {
  56         List<FlowEntity> flows = this.getFlows();
  57         if (!Iterables.isEmpty(expectedFlows)) {
  58             assertTrue("No Flows created (bean wiring may be broken?)", !flows.isEmpty());
  59         }
  60         // TODO Support Iterable <-> List directly within XtendBeanGenerator
  61         List<FlowEntity> expectedFlowsAsNewArrayList = Lists.newArrayList(expectedFlows);
  62         AssertDataObjects.assertEqualBeans(expectedFlowsAsNewArrayList, flows);
  63     }
  64
  65     @Override
  66     public void installFlow(FlowEntity flowEntity) {
  67         getFlows().add(flowEntity);
  68     }
  69
  70 }