| /******************************************************************************* |
| * Copyright (c) 2008, 2009 IBM Corporation and others. |
| * 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.tests.core; |
| |
| import org.eclipse.equinox.p2.query.MatchQuery; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import junit.framework.TestCase; |
| import org.eclipse.equinox.p2.query.*; |
| import org.eclipse.equinox.p2.tests.AbstractProvisioningTest; |
| |
| /** |
| * Tests for the {@link org.eclipse.equinox.internal.provisional.p2.query.Query} class. |
| */ |
| public class QueryTest extends TestCase { |
| |
| static class AnyStringQuery extends MatchQuery { |
| @Override |
| public boolean isMatch(Object candidate) { |
| return candidate instanceof String; |
| } |
| } |
| |
| /** |
| * Tests a simple perform where all items match. |
| */ |
| public void testPerformSimple() { |
| List items = Arrays.asList("red", "green", "blue"); |
| IQuery query = new AnyStringQuery(); |
| IQueryResult collector = query.perform(items.iterator()); |
| assertEquals("1.0", 3, AbstractProvisioningTest.queryResultSize(collector)); |
| AbstractProvisioningTest.assertContains("1.1", collector, "red"); |
| AbstractProvisioningTest.assertContains("1.2", collector, "green"); |
| AbstractProvisioningTest.assertContains("1.3", collector, "blue"); |
| } |
| |
| /** |
| * Tests a perform where only some items match. |
| */ |
| public void testPerformSomeMatches() { |
| List items = Arrays.asList(new Object(), "green", new Object()); |
| IQuery query = new AnyStringQuery(); |
| IQueryResult collector = query.perform(items.iterator()); |
| assertEquals("1.0", 1, AbstractProvisioningTest.queryResultSize(collector)); |
| AbstractProvisioningTest.assertContains("1.1", collector, "green"); |
| } |
| |
| public void testLimitQuery() { |
| List items = Arrays.asList("red", "green", "blue"); |
| IQuery query = new AnyStringQuery(); |
| IQuery limitQuery = QueryUtil.createLimitQuery(query, 1); |
| IQueryResult collector = limitQuery.perform(items.iterator()); |
| assertEquals("1.0", 1, AbstractProvisioningTest.queryResultSize(collector)); |
| AbstractProvisioningTest.assertContains("1.1", collector, "red"); |
| } |
| |
| public void testLimitQuery2() { |
| List items = Arrays.asList("red", "green", "blue"); |
| IQuery query = new AnyStringQuery(); |
| IQuery limitQuery = QueryUtil.createLimitQuery(query, 2); |
| IQueryResult collector = limitQuery.perform(items.iterator()); |
| assertEquals("1.0", 2, AbstractProvisioningTest.queryResultSize(collector)); |
| AbstractProvisioningTest.assertContains("1.1", collector, "red"); |
| AbstractProvisioningTest.assertContains("1.2", collector, "green"); |
| } |
| |
| public void testLimitQuery3() { |
| List items = Arrays.asList("red", "green", "blue"); |
| IQuery query = new AnyStringQuery(); |
| IQuery limitQuery = QueryUtil.createLimitQuery(query, 3); |
| IQueryResult collector = limitQuery.perform(items.iterator()); |
| assertEquals("1.0", 3, AbstractProvisioningTest.queryResultSize(collector)); |
| AbstractProvisioningTest.assertContains("1.1", collector, "red"); |
| AbstractProvisioningTest.assertContains("1.2", collector, "green"); |
| AbstractProvisioningTest.assertContains("1.3", collector, "blue"); |
| } |
| |
| public void testLimitQuery0() { |
| List items = Arrays.asList("red", "green", "blue"); |
| IQuery query = new AnyStringQuery(); |
| IQuery limitQuery = QueryUtil.createLimitQuery(query, 0); |
| IQueryResult collector = limitQuery.perform(items.iterator()); |
| assertEquals("1.0", 0, AbstractProvisioningTest.queryResultSize(collector)); |
| } |
| |
| // public void testPipedLimitQuery() { |
| // List items = Arrays.asList("pink", "red", "green", "pink"); |
| // IQuery anyString = new AnyStringQuery(); |
| // IQuery containsI = new MatchQuery() { |
| // |
| // public boolean isMatch(Object candidate) { |
| // return ((String) candidate).contains("e"); |
| // } |
| // }; |
| // IQuery pipedQuery = new PipedQuery(new IQuery[] {anyString, containsI}); |
| // IQuery limitQuery = LimitQuery.create(pipedQuery, 1); |
| // Collector collector = limitQuery.perform(items.iterator(), new Collector()); |
| // Collection result = collector.toCollection(); |
| // assertEquals("1.0", 1, result.size()); |
| // assertTrue("1.1", result.contains("red")); |
| // } |
| } |