DefaultDocumentSetTest.java example

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/*
 * eXist Open Source Native XML Database
 * Copyright (C) 2001-2017 The eXist Project
 * http://exist-db.org
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package org.exist.dom.persistent;

import org.exist.collections.Collection;
import org.junit.Test;

import java.util.Iterator;

import static junit.framework.TestCase.assertFalse;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertTrue;

/**
 * @author Adam Retter <adam@evolvedbinary.com>
 */
public class DefaultDocumentSetTest {

    @Test
    public void contains_leftRight() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc1);
        set2.add(doc6);
        set2.add(doc9);
        set2.add(doc15);
        set2.add(doc34);

        // functions under test
        assertTrue(set2.contains(set1));
        assertFalse(set1.contains(set2));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_nonOptimized_leftRight() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();

        final DocumentSet set2 = testableDocumentSet(doc1, doc6, doc9, doc15, doc34);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);

        // functions under test
        assertFalse(set1.contains(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_nonOptimized_rightLeft() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();

        final DocumentSet set2 = testableDocumentSet(doc1, doc6, doc9);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);
        set1.add(doc15);
        set1.add(doc34);

        // functions under test
        assertTrue(set1.contains(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_noMatch() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc15);
        set2.add(doc34);

        // functions under test
        assertFalse(set2.contains(set1));
        assertFalse(set1.contains(set2));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_nonOptimized_noMatch_leftRight() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        final DocumentSet set2 = testableDocumentSet(doc15, doc34);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);

        // functions under test
        assertFalse(set1.contains(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_nonOptimized_noMatch_rightLeft() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        final DocumentSet set2 = testableDocumentSet(doc1, doc6, doc9);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc15);
        set1.add(doc34);

        // functions under test
        assertFalse(set1.contains(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void contains_emptySet() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DocumentSet set1 = DocumentSet.EMPTY_DOCUMENT_SET;

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc15);
        set2.add(doc34);

        // functions under test
        assertTrue(set2.contains(set1));
        assertFalse(set1.contains(set2));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void equalDocs() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);
        set1.add(doc15);
        set1.add(doc34);

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc1);
        set2.add(doc6);
        set2.add(doc9);
        set2.add(doc15);
        set2.add(doc34);

        // functions under test
        assertTrue(set1.equalDocs(set2));
        assertTrue(set2.equalDocs(set1));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void equalDocs_noMatch() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();
        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);
        set1.add(doc15);
        set1.add(doc34);

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc1);
        set2.add(doc6);
        set2.add(doc9);

        // functions under test
        assertFalse(set1.equalDocs(set2));
        assertFalse(set2.equalDocs(set1));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void equalDocs_nonOptimized() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();

        final DocumentSet set2 = testableDocumentSet(doc1, doc6, doc9, doc15, doc34);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);
        set1.add(doc15);
        set1.add(doc34);

        // functions under test
        assertTrue(set1.equalDocs(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void equalDocs_nonOptimized_noMatch() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        final DefaultDocumentSet set1 = new DefaultDocumentSet();

        final DocumentSet set2 = testableDocumentSet(doc1, doc6, doc9, doc15, doc34);

        replay(col, set2, doc1, doc6, doc9, doc15, doc34);

        set1.add(doc1);
        set1.add(doc6);
        set1.add(doc9);

        // functions under test
        assertFalse(set1.equalDocs(set2));

        verify(col, set2, doc1, doc6, doc9, doc15, doc34);
    }

    @Test
    public void equalDocs_emptySet() {
        final Collection col = mockCollection(1);

        final DocumentImpl doc1 = mockDoc(col, 1);
        final DocumentImpl doc6 = mockDoc(col, 6);
        final DocumentImpl doc9 = mockDoc(col, 9);
        final DocumentImpl doc15 = mockDoc(col, 15);
        final DocumentImpl doc34 = mockDoc(col, 34);

        replay(col, doc1, doc6, doc9, doc15, doc34);

        final DocumentSet set1 = DocumentSet.EMPTY_DOCUMENT_SET;

        final DefaultDocumentSet set2 = new DefaultDocumentSet();
        set2.add(doc15);
        set2.add(doc34);

        // functions under test
        assertFalse(set2.equalDocs(set1));
        assertFalse(set1.equalDocs(set2));

        verify(col, doc1, doc6, doc9, doc15, doc34);
    }

    private final Collection mockCollection(final int colId) {
        final Collection col = createMock(Collection.class);
        expect(col.compareTo(col)).andReturn(0).anyTimes();
        expect(col.getId()).andReturn(colId).anyTimes();
        return col;
    }

    private final DocumentImpl mockDoc(final Collection collection, final int docId) {
        final DocumentImpl doc = createMock(DocumentImpl.class);
        expect(doc.getCollection()).andReturn(collection).anyTimes();
        expect(doc.getDocId()).andReturn(docId).anyTimes();
        return doc;
    }

    private final DocumentSet testableDocumentSet(final DocumentImpl... docs) {
        final DocumentSet documentSet = createMock(DocumentSet.class);

        expect(documentSet.getDocumentCount()).andReturn(docs.length);

        expect(documentSet.getDocumentIterator()).andReturn(new Iterator<DocumentImpl>(){
            private int idx = 0;

            @Override
            public boolean hasNext() {
                return idx < docs.length;
            }

            @Override
            public DocumentImpl next() {
                return docs[idx++];
            }
        }).anyTimes();

        return documentSet;
    }
}