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| /*
| * 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 legal-notices/CDDLv1_0.txt
| * or http://forgerock.org/license/CDDLv1.0.html.
| * 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 legal-notices/CDDLv1_0.txt.
| * 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 2015 ForgeRock AS
| */
| package org.opends.server.replication.plugin;
|
| import static org.forgerock.opendj.ldap.ModificationType.*;
| import static org.mockito.Matchers.*;
| import static org.mockito.Mockito.*;
| import static org.opends.server.util.CollectionUtils.*;
|
| import java.util.ArrayList;
| import java.util.Arrays;
| import java.util.Collections;
| import java.util.Iterator;
| import java.util.List;
|
| import org.forgerock.opendj.ldap.ByteString;
| import org.forgerock.opendj.ldap.ModificationType;
| import org.opends.server.TestCaseUtils;
| import org.opends.server.replication.ReplicationTestCase;
| import org.opends.server.replication.common.CSN;
| import org.opends.server.replication.protocol.ModifyContext;
| import org.opends.server.replication.protocol.OperationContext;
| import org.opends.server.types.Attribute;
| import org.opends.server.types.AttributeType;
| import org.opends.server.types.Attributes;
| import org.opends.server.types.DirectoryException;
| import org.opends.server.types.Entry;
| import org.opends.server.types.Modification;
| import org.opends.server.types.operation.PreOperationModifyOperation;
| import org.testng.Assert;
| import org.testng.annotations.DataProvider;
| import org.testng.annotations.Test;
|
| /**
| * Tests the single valued attribute conflict resolution (part of modify replay).
| * <p>
| * It produces series of changes and replay them out of order by generating all possible
| * permutations. The goal is to end up in the same final state whatever the order.
| * <p>
| * The tests are built this way:
| * <ol>
| * <li>Start from an entry without (resp. with) an initial value for the targeted single valued
| * attribute</li>
| * <li>Replay a "seed" modify operation, that happened at time t1</li>
| * <li>Then replay any of all the possible operations that could come after, that happened at time
| * t2</li>
| * </ol>
| * All permutations for these sequence of operations are tested.
| * <p>
| * The test finally asserts the {@code ds-sync-hist} attribute always end in the same state whatever
| * the permutation.
| */
| @SuppressWarnings("javadoc")
| public class ModifyReplayTest extends ReplicationTestCase
| {
| private static final String ATTRIBUTE_NAME = "displayName";
| private static final String SYNCHIST = "ds-sync-hist";
|
| private Entry entry;
|
| private static class Mod
| {
| private final int time;
| private final Modification modification;
|
| private Mod(ModificationType modType, int t)
| {
| this(modType, null, t);
| }
|
| private Mod(ModificationType modType, String value, int t)
| {
| this.modification = newModification(modType, value);
| this.time = t;
| }
|
| private PreOperationModifyOperation toOperation()
| {
| final ModifyContext value = new ModifyContext(new CSN(0, time, 0), null);
|
| PreOperationModifyOperation op = mock(PreOperationModifyOperation.class);
| when(op.getModifications()).thenReturn(newArrayList(modification));
| when(op.getAttachment(eq(OperationContext.SYNCHROCONTEXT))).thenReturn(value);
| return op;
| }
|
| /** Implemented to get a nice display for each tests in Eclipse UI. */
| @Override
| public String toString()
| {
| String modType = modification.getModificationType().toString().toUpperCase();
| Iterator<ByteString> it = modification.getAttribute().iterator();
| String attrValue = it.hasNext() ? "\"" + it.next().toString() + "\" " : "";
| return modType + " " + attrValue + "t" + time;
| }
| }
|
| private static Object[][] generatePermutations(Object[][] scenarios)
| {
| List<Object[]> results = new ArrayList<Object[]>();
| for (Object[] scenario : scenarios)
| {
| generate((Object[]) scenario[0], (Attribute) scenario[1], results);
| }
|
| return results.toArray(new Object[results.size()][]);
| }
|
| private static void generate(Object[] array, Attribute dsSyncHist, List<Object[]> results)
| {
| generate(array.length, array, dsSyncHist, results);
| }
|
| private static void generate(int n, Object[] array, Attribute dsSyncHist, List<Object[]> results)
| {
| if (n == 1)
| {
| results.add(new Object[] { Arrays.asList(Arrays.copyOf(array, array.length)), dsSyncHist, });
| return;
| }
|
| for (int i = 0; i < n - 1; i += 1)
| {
| generate(n - 1, array, dsSyncHist, results);
| if (n % 2 == 0)
| {
| swap(array, i, n - 1);
| }
| else
| {
| swap(array, 0, n - 1);
| }
| }
| generate(n - 1, array, dsSyncHist, results);
| }
|
| private static <E> void swap(E[] array, int i, int j)
| {
| E tmp = array[i];
| array[i] = array[j];
| array[j] = tmp;
| }
|
| @DataProvider
| public Object[][] add_data()
| {
| // @formatter:off
| return generatePermutations(new Object[][] {
| { mods(new Mod(ADD, "X", 1)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(ADD, "X", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(ADD, "X", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(ADD, "X", 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(ADD, "X", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(ADD, "X", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(ADD, "X", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(ADD, "X", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(ADD, "X", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), }
| });
| // @formatter:on
| }
|
| @DataProvider
| public Object[][] delete_noInitialValue_data()
| {
| // @formatter:off
| return generatePermutations(new Object[][] {
| { mods(new Mod(DELETE, "X", 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(DELETE, 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(DELETE, 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, "Y", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
| });
| // @formatter:on
| }
|
| @DataProvider
| public Object[][] delete_initialValueX_data()
| {
| // @formatter:off
| return generatePermutations(new Object[][] {
| { mods(new Mod(DELETE, "X", 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(DELETE, "X", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(DELETE, "Y", 1)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(ADD, "X", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(ADD, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(DELETE, "X", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(DELETE, "Y", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(DELETE, 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(DELETE, 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, "Y", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(DELETE, 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
| });
| // @formatter:on
| }
|
| @DataProvider
| public Object[][] replace_noInitialValue_data()
| {
| // @formatter:off
| return generatePermutations(new Object[][] {
| { mods(new Mod(REPLACE, "X", 1)), dsSyncHist(1, ":repl:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":repl:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(REPLACE, 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, "X", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
| });
| // @formatter:on
| }
|
| @DataProvider
| public Object[][] replace_initialValueX_data()
| {
| // @formatter:off
| return generatePermutations(new Object[][] {
| { mods(new Mod(REPLACE, "X", 1)), dsSyncHist(1, ":repl:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, "X", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":add:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(REPLACE, "X", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(REPLACE, "Y", 1)), dsSyncHist(1, ":repl:Y"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(DELETE, "X", 2)), dsSyncHist(1, ":repl:Y"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(DELETE, "Y", 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(REPLACE, "Y", 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
|
| { mods(new Mod(REPLACE, 1)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(ADD, "X", 2)), dsSyncHist(2, ":add:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(ADD, "Y", 2)), dsSyncHist(2, ":add:Y"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, "X", 2)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, "Y", 2)), dsSyncHist(1, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(DELETE, 2)), dsSyncHist(2, ":attrDel"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, "X", 2)), dsSyncHist(2, ":repl:X"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, "Y", 2)), dsSyncHist(2, ":repl:Y"), },
| { mods(new Mod(REPLACE, 1), new Mod(REPLACE, 2)), dsSyncHist(2, ":attrDel"), },
| });
| // @formatter:on
| }
|
| @Test(dataProvider = "add_data", enabled = false)
| public void add_noInitialValue(List<Mod> mods, Attribute expectedDsSyncHist) throws Exception
| {
| noValue(); // also covers the initialValue("X"); case
| replay(mods, expectedDsSyncHist);
| }
|
| @Test(dataProvider = "delete_noInitialValue_data", enabled = false)
| public void delete_noInitialValue(List<Mod> mods, Attribute expectedDsSyncHist) throws Exception
| {
| noValue();
| replay(mods, expectedDsSyncHist);
| }
|
| @Test(dataProvider = "delete_initialValueX_data", enabled = false)
| public void delete_initialValueX(List<Mod> mods, Attribute expectedDsSyncHist) throws Exception
| {
| initialValue("X");
| replay(mods, expectedDsSyncHist);
| }
|
| @Test(dataProvider = "replace_noInitialValue_data", enabled = false)
| public void replace_noInitialValue(List<Mod> mods, Attribute expectedDsSyncHist) throws Exception
| {
| noValue();
| replay(mods, expectedDsSyncHist);
| }
|
| @Test(dataProvider = "replace_initialValueX_data", enabled = false)
| public void replace_initialValueX(List<Mod> mods, Attribute expectedDsSyncHist) throws Exception
| {
| initialValue("X");
| replay(mods, expectedDsSyncHist);
| }
|
| @Test(enabled = false)
| public void diffEntries_addThenDel() throws Exception
| {
| initialValue("X");
|
| replaySameTime(newArrayList(newModification(ADD, "Y"), newModification(DELETE, "X")), dsSyncHist(1, ":add:Y"));
| }
|
| @Test(enabled = false)
| public void diffEntries_delThenAdd() throws Exception
| {
| initialValue("X");
|
| replaySameTime(newArrayList(newModification(DELETE, "X"), newModification(ADD, "Y")), dsSyncHist(1, ":add:Y"));
| }
|
| private void replaySameTime(List<Modification> mods, Attribute expectedDsSyncHist) throws DirectoryException
| {
| final ModifyContext value = new ModifyContext(new CSN(0, 1, 0), null);
|
| PreOperationModifyOperation op = mock(PreOperationModifyOperation.class);
| when(op.getModifications()).thenReturn(mods);
| when(op.getAttachment(eq(OperationContext.SYNCHROCONTEXT))).thenReturn(value);
|
| EntryHistorical entryHistorical = EntryHistorical.newInstanceFromEntry(entry);
| entryHistorical.replayOperation(op, entry);
| entry.applyModification(new Modification(REPLACE, entryHistorical.encodeAndPurge()));
|
| AttributeType attrType = expectedDsSyncHist.getAttributeType();
| Attribute actual = entry.getExactAttribute(attrType, Collections.<String> emptySet());
|
| Assert.assertEquals(actual, expectedDsSyncHist, "wrong final value for ds-sync-hist attribute");
| }
|
| private void noValue() throws Exception
| {
| // @formatter:off
| entry = TestCaseUtils.makeEntry(
| "dn: uid=test.user",
| "objectClass: top",
| "objectClass: person",
| "objectClass: organizationalPerson",
| "objectClass: inetOrgPerson",
| "uid: test.user",
| "givenName: Test",
| "sn: User",
| "cn: Test User",
| "userPassword: password");
| // @formatter:on
| }
|
| private void initialValue(String attrValue) throws Exception
| {
| noValue();
| entry.applyModification(newModification(REPLACE, attrValue));
| }
|
| private void replay(List<Mod> mods, Attribute expectedDsSyncHist) throws DirectoryException
| {
| for (Mod op : mods)
| {
| EntryHistorical entryHistorical = EntryHistorical.newInstanceFromEntry(entry);
| entryHistorical.replayOperation(op.toOperation(), entry);
| entry.applyModification(new Modification(REPLACE, entryHistorical.encodeAndPurge()));
| }
|
| AttributeType attrType = expectedDsSyncHist.getAttributeType();
| Attribute actual = entry.getExactAttribute(attrType, Collections.<String> emptySet());
|
| Assert.assertEquals(actual, expectedDsSyncHist, "wrong final value for ds-sync-hist attribute");
| }
|
| private static Object[] mods(Mod... mods)
| {
| return mods;
| }
|
| private static Attribute dsSyncHist(int t, String partialDsSyncHist)
| {
| String value = ATTRIBUTE_NAME + ":000000000000000000000000000" + t + partialDsSyncHist;
| return Attributes.create(SYNCHIST, value);
| }
|
| private static Modification newModification(ModificationType modType, String value)
| {
| Attribute attr = value != null ? Attributes.create(ATTRIBUTE_NAME, value) : Attributes.empty(ATTRIBUTE_NAME);
| return new Modification(modType, attr);
| }
| }
|
|
