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/*******************************************************************************
* Copyright (c) 2009, 2017 EclipseSource 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package org.eclipse.equinox.p2.tests.ui.query;
import java.util.*;
import junit.framework.TestCase;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.equinox.internal.p2.ui.ElementQueryDescriptor;
import org.eclipse.equinox.internal.p2.ui.ElementWrapper;
import org.eclipse.equinox.p2.query.*;
/**
* Tests the Query Descriptor
*/
public class QueryDescriptorTest extends TestCase {
class SimpleQueryable implements IQueryable<String> {
List<String> elements = Arrays.asList(new String[] {"a", "b", "c", "d", "e"});
@Override
public IQueryResult<String> query(IQuery<String> query, IProgressMonitor monitor) {
return query.perform(elements.iterator());
}
}
class WrappedString {
String string;
WrappedString(String string) {
this.string = string;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof WrappedString))
return false;
WrappedString other = (WrappedString) obj;
return this.string.equals(other.string);
}
@Override
public int hashCode() {
return string.hashCode();
}
}
class StringWrapper extends ElementWrapper {
@Override
protected Object wrap(Object item) {
return new WrappedString((String) item);
}
}
class SimpleMatchQuery extends MatchQuery<Object> {
@Override
@Deprecated
public boolean isMatch(Object candidate) {
if (candidate == "a" || candidate == "b")
return true;
return false;
}
}
class SimpleMatchQuery2 extends MatchQuery<Object> {
@Override
@Deprecated
public boolean isMatch(Object candidate) {
if (candidate == "b" || candidate == "c")
return true;
return false;
}
}
public void testSimpleDescriptorWithWrapper() {
ElementQueryDescriptor eqDescriptor = new ElementQueryDescriptor(new SimpleQueryable(), new SimpleMatchQuery(), new Collector<>(), new StringWrapper());
Collection<?> collection = eqDescriptor.performQuery(null);
assertEquals("1.0", 2, collection.size());
assertTrue("1.1", collection.contains(new WrappedString("a")));
assertTrue("1.1", collection.contains(new WrappedString("b")));
}
public void testSimpleDescriptorWithoutWrapper() {
ElementQueryDescriptor eqDescriptor = new ElementQueryDescriptor(new SimpleQueryable(), new SimpleMatchQuery(), new Collector<>());
Collection<?> collection = eqDescriptor.performQuery(null);
assertEquals("1.0", 2, collection.size());
assertTrue("1.1", collection.contains("a"));
assertTrue("1.1", collection.contains("b"));
}
public void testCompoundDescriptorAND() {
IQuery<Object> query = QueryUtil.createCompoundQuery(new SimpleMatchQuery(), new SimpleMatchQuery2(), true);
ElementQueryDescriptor eqDescriptor = new ElementQueryDescriptor(new SimpleQueryable(), query, new Collector<>(), new StringWrapper());
Collection<?> collection = eqDescriptor.performQuery(null);
assertEquals("1.0", 1, collection.size());
assertTrue("1.1", collection.contains(new WrappedString("b")));
}
public void testCompoundDescriptorOR() {
IQuery<Object> query = QueryUtil.createCompoundQuery(new SimpleMatchQuery(), new SimpleMatchQuery2(), false);
ElementQueryDescriptor eqDescriptor = new ElementQueryDescriptor(new SimpleQueryable(), query, new Collector<>(), new StringWrapper());
Collection<?> collection = eqDescriptor.performQuery(null);
assertEquals("1.0", 3, collection.size());
assertTrue("1.1", collection.contains(new WrappedString("a")));
assertTrue("1.1", collection.contains(new WrappedString("b")));
assertTrue("1.1", collection.contains(new WrappedString("c")));
}
}
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