/*
* Copyright (c) 2011 Google Inc.
*
* 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.google.eclipse.protobuf.ui.contentassist;
import static java.util.Collections.emptyMap;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static com.google.common.collect.Lists.newArrayList;
import static com.google.eclipse.protobuf.ui.contentassist.IEObjectDescriptionsHaveNames.containOnly;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.resource.EObjectDescription;
import org.eclipse.xtext.resource.IEObjectDescription;
import org.junit.Before;
import org.junit.Test;
import com.google.eclipse.protobuf.protobuf.Message;
/**
* Tests for <code>{@link IEObjectDescriptionChooser#shortestQualifiedNamesIn(Collection)}</code>.
*
* @author alruiz@google.com (Alex Ruiz)
*/
public class IEObjectDescriptionChooser_shortestQualifiedNamesIn_Test {
private List<IEObjectDescription> descriptions;
private Map<String, String> userData;
private IEObjectDescriptionChooser chooser;
@Before public void setUp() {
userData = emptyMap();
chooser = new IEObjectDescriptionChooser();
descriptions = newArrayList();
describe(mock(Message.class), QualifiedName.create("com", "google", "test", "Phone"));
describe(mock(Message.class), QualifiedName.create("com", "google", "test", "EMail"));
}
/*
* Creates IEObjectDescriptions for the given EObject, one per segment in the given qualified name.
*
* Example:
* Given the qualified name "com.google.test.Phone", this method will use these qualified names to create
* IEObjectDescriptions:
* - "Phone"
* - "test.Phone"
* - "google.test.Phone"
* - "com.google.test.Phone"
*/
private void describe(EObject e, QualifiedName name) {
int count = name.getSegmentCount();
List<String> segments = newArrayList();
for (int i = count - 1; i >= 0; i--) {
segments.add(0, name.getSegment(i));
QualifiedName newName = QualifiedName.create(segments.toArray(new String[segments.size()]));
descriptions.add(new EObjectDescription(newName, e, userData));
}
}
@Test public void should_return_descriptions_with_shortest_QualifiedName() {
Collection<IEObjectDescription> chosen = chooser.shortestQualifiedNamesIn(descriptions);
assertThat(chosen, containOnly("EMail", "Phone"));
}
}