| New file |
| | |
| | | /* |
| | | * CDDL HEADER START |
| | | * |
| | | * The contents of this file are subject to the terms of the |
| | | * Common Development and Distribution License, Version 1.0 only |
| | | * (the "License"). You may not use this file except in compliance |
| | | * with the License. |
| | | * |
| | | * You can obtain a copy of the license at |
| | | * trunk/opends/resource/legal-notices/OpenDS.LICENSE |
| | | * or https://OpenDS.dev.java.net/OpenDS.LICENSE. |
| | | * See the License for the specific language governing permissions |
| | | * and limitations under the License. |
| | | * |
| | | * When distributing Covered Code, include this CDDL HEADER in each |
| | | * file and include the License file at |
| | | * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable, |
| | | * add the following below this CDDL HEADER, with the fields enclosed |
| | | * by brackets "[]" replaced with your own identifying information: |
| | | * Portions Copyright [yyyy] [name of copyright owner] |
| | | * |
| | | * CDDL HEADER END |
| | | * |
| | | * |
| | | * Copyright 2013 ForgeRock AS |
| | | */ |
| | | package org.opends.server.replication.server.changelog.je; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.Arrays; |
| | | import java.util.List; |
| | | |
| | | import org.opends.server.replication.common.CSN; |
| | | import org.opends.server.replication.protocol.UpdateMsg; |
| | | import org.opends.server.replication.server.changelog.api.ChangelogException; |
| | | import org.opends.server.replication.server.changelog.api.DBCursor; |
| | | import org.testng.annotations.BeforeClass; |
| | | import org.testng.annotations.Test; |
| | | |
| | | import static org.testng.Assert.*; |
| | | |
| | | @SuppressWarnings("javadoc") |
| | | public class CompositeDBCursorTest |
| | | { |
| | | |
| | | private static class MyDBCursor implements DBCursor<UpdateMsg> |
| | | { |
| | | |
| | | private final List<UpdateMsg> msgs; |
| | | private UpdateMsg current; |
| | | |
| | | public MyDBCursor(UpdateMsg... msgs) |
| | | { |
| | | this.msgs = new ArrayList<UpdateMsg>(Arrays.asList(msgs)); |
| | | next(); |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public UpdateMsg getRecord() |
| | | { |
| | | return this.current; |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public boolean next() |
| | | { |
| | | if (!this.msgs.isEmpty()) |
| | | { |
| | | this.current = this.msgs.remove(0); |
| | | return true; |
| | | } |
| | | this.current = null; |
| | | return false; |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public void close() |
| | | { |
| | | // nothing to do |
| | | } |
| | | |
| | | } |
| | | |
| | | private UpdateMsg msg1; |
| | | private UpdateMsg msg2; |
| | | private UpdateMsg msg3; |
| | | private UpdateMsg msg4; |
| | | |
| | | @BeforeClass |
| | | public void setupMsgs() |
| | | { |
| | | msg1 = newUpdateMsg(1); |
| | | msg2 = newUpdateMsg(2); |
| | | msg3 = newUpdateMsg(3); |
| | | msg4 = newUpdateMsg(4); |
| | | } |
| | | |
| | | @Test |
| | | public void emptyCursor() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = newCompositeDBCursor(new MyDBCursor()); |
| | | assertInOrder(compCursor); |
| | | } |
| | | |
| | | @Test |
| | | public void oneElementCursor() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = |
| | | newCompositeDBCursor(new MyDBCursor(msg1)); |
| | | assertInOrder(compCursor, msg1); |
| | | } |
| | | |
| | | @Test |
| | | public void twoElementsCursor() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = |
| | | newCompositeDBCursor(new MyDBCursor(msg1, msg2)); |
| | | assertInOrder(compCursor, msg1, msg2); |
| | | } |
| | | |
| | | @Test |
| | | public void twoEmptyCursors() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = newCompositeDBCursor( |
| | | new MyDBCursor(), |
| | | new MyDBCursor()); |
| | | assertInOrder(compCursor); |
| | | } |
| | | |
| | | @Test |
| | | public void twoOneElementCursors() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = newCompositeDBCursor( |
| | | new MyDBCursor(msg2), |
| | | new MyDBCursor(msg1)); |
| | | assertInOrder(compCursor, msg1, msg2); |
| | | } |
| | | |
| | | @Test |
| | | public void twoTwoElementCursors() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = newCompositeDBCursor( |
| | | new MyDBCursor(msg2, msg3), |
| | | new MyDBCursor(msg1, msg4)); |
| | | assertInOrder(compCursor, msg1, msg2, msg3, msg4); |
| | | } |
| | | |
| | | @Test |
| | | public void recycleTwoElementCursors() throws Exception |
| | | { |
| | | final CompositeDBCursor compCursor = newCompositeDBCursor( |
| | | new MyDBCursor(msg2, null, msg3), |
| | | new MyDBCursor(null, msg1, msg4)); |
| | | assertInOrder(compCursor, msg1, msg2, msg3, msg4); |
| | | } |
| | | |
| | | private UpdateMsg newUpdateMsg(int t) |
| | | { |
| | | return new UpdateMsg(new CSN(t, t, t), new byte[t]); |
| | | } |
| | | |
| | | private CompositeDBCursor newCompositeDBCursor(DBCursor<UpdateMsg>... cursors) |
| | | { |
| | | return new CompositeDBCursor(Arrays.asList(cursors)); |
| | | } |
| | | |
| | | private void assertInOrder(final CompositeDBCursor compCursor, |
| | | UpdateMsg... msgs) throws ChangelogException |
| | | { |
| | | for (UpdateMsg msg : msgs) |
| | | { |
| | | assertTrue(compCursor.next()); |
| | | assertSame(compCursor.getRecord(), msg); |
| | | } |
| | | assertFalse(compCursor.next()); |
| | | compCursor.close(); |
| | | } |
| | | } |