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/*******************************************************************************
* Copyright (c) 2008 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.ui.query;
import org.eclipse.equinox.internal.p2.ui.model.CategoryElement;
import org.eclipse.equinox.internal.p2.ui.query.CategoryElementCollector;
import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.internal.provisional.p2.metadata.RequiredCapability;
import org.eclipse.equinox.internal.provisional.p2.query.Collector;
import org.eclipse.equinox.p2.tests.MockQueryable;
/**
* Tests for {@link CategoryElementCollector}.
*/
public class CategoryElementCollectorTest extends QueryTest {
private CategoryElementCollector createCollector(boolean showCategorized) {
IInstallableUnit category = createIU("default category");
return new CategoryElementCollector(new MockQueryable(category), null, showCategorized);
}
public void testCollectObject() {
CategoryElementCollector collector = createCollector(false);
collector.accept("AnObjectThatIsNotAnIU");
assertTrue("1.0", collector.isEmpty());
}
/**
* Tests for the {@link Collector#isEmpty()} method.
*/
public void testIsEmpty() {
//if we have an uncategorized category, the collector is not initially empty
CategoryElementCollector collector = createCollector(true);
assertTrue("1.0", !collector.isEmpty());
//now create a collector with no uncategorized category
collector = createCollector(false);
assertTrue("1.1", collector.isEmpty());
IInstallableUnit category1 = createIU("category1");
collector.accept(category1);
assertTrue("1.2", !collector.isEmpty());
}
/**
* Tests for the {@link Collector#size()} method.
*/
public void testSize() {
//if we have an uncategorized category, the collector is not initially empty
CategoryElementCollector collector = createCollector(true);
assertEquals("1.0", 1, collector.size());
//now create a collector with no uncategorized category
collector = createCollector(false);
assertEquals("1.1", 0, collector.size());
IInstallableUnit category1 = createIU("category1");
collector.accept(category1);
assertEquals("1.2", 1, collector.size());
assertEquals("1.3", category1, ((CategoryElement) collector.iterator().next()).getIU());
assertEquals("1.4", category1, ((CategoryElement) collector.toCollection().iterator().next()).getIU());
assertEquals("1.5", category1, ((CategoryElement) collector.toArray(CategoryElement.class)[0]).getIU());
//adding the same category twice shouldn't affect size
collector.accept(category1);
assertEquals("1.6", 1, collector.size());
//adding a nested category shouldn't affected size
RequiredCapability[] required = createRequiredCapabilities(IInstallableUnit.NAMESPACE_IU_ID, "category1", null);
IInstallableUnit nested = createIU("Nested", required);
collector.accept(nested);
assertEquals("1.7", 1, collector.size());
}
}
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