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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2009 Oracle. All rights reserved.
*
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using System.Xml;
using NUnit.Framework;
using BerkeleyDB;
namespace CsharpAPITest {
[TestFixture]
public class ForeignKeyTest {
private string testFixtureHome;
private string testFixtureName;
private string testName;
private string testHome;
[TestFixtureSetUp]
public void RunBeforeTests() {
testFixtureName = "ForeignKeyTest";
testFixtureHome = "./TestOut/" + testFixtureName;
}
[Test]
public void TestAbortBTree() {
testName = "TestAbortBTree";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.BTREE, ForeignKeyDeleteAction.ABORT);
}
[Test]
public void TestAbortHash() {
testName = "TestAbortHash";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.HASH, ForeignKeyDeleteAction.ABORT);
}
[Test]
public void TestAbortQueue() {
testName = "TestAbortQueue";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.QUEUE, ForeignKeyDeleteAction.ABORT);
}
[Test]
public void TestAbortRecno() {
testName = "TestAbortRecno";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.RECNO, ForeignKeyDeleteAction.ABORT);
}
[Test]
public void TestCascadeBTree() {
testName = "TestCascadeBTree";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.BTREE, ForeignKeyDeleteAction.CASCADE);
}
[Test]
public void TestCascadeHash() {
testName = "TestCascadeHash";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.HASH, ForeignKeyDeleteAction.CASCADE);
}
[Test]
public void TestCascadeQueue() {
testName = "TestCascadeQueue";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.QUEUE, ForeignKeyDeleteAction.CASCADE);
}
[Test]
public void TestCascadeRecno() {
testName = "TestCascadeRecno";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.RECNO, ForeignKeyDeleteAction.CASCADE);
}
[Test]
public void TestNullifyBTree() {
testName = "TestNullifyBTree";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.BTREE, ForeignKeyDeleteAction.NULLIFY);
}
[Test]
public void TestNullifyHash() {
testName = "TestNullifyHash";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.HASH, ForeignKeyDeleteAction.NULLIFY);
}
[Test]
public void TestNullifyQueue() {
testName = "TestNullifyQueue";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.QUEUE, ForeignKeyDeleteAction.NULLIFY);
}
[Test]
public void TestNullifyRecno() {
testName = "TestNullifyRecno";
testHome = testFixtureHome + "/" + testName;
TestForeignKeyDelete(DatabaseType.RECNO, ForeignKeyDeleteAction.NULLIFY);
}
public void TestForeignKeyDelete(DatabaseType dbtype, ForeignKeyDeleteAction action) {
string dbFileName = testHome + "/" + testName + ".db";
string fdbFileName = testHome + "/" + testName + "foreign.db";
string sdbFileName = testHome + "/" + testName + "sec.db";
Configuration.ClearDir(testHome);
Database primaryDB, fdb;
SecondaryDatabase secDB;
// Open primary database.
if (dbtype == DatabaseType.BTREE) {
BTreeDatabaseConfig btConfig = new BTreeDatabaseConfig();
btConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = BTreeDatabase.Open(dbFileName, btConfig);
fdb = BTreeDatabase.Open(fdbFileName, btConfig);
} else if (dbtype == DatabaseType.HASH) {
HashDatabaseConfig hConfig = new HashDatabaseConfig();
hConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = HashDatabase.Open(dbFileName, hConfig);
fdb = HashDatabase.Open(fdbFileName, hConfig);
} else if (dbtype == DatabaseType.QUEUE) {
QueueDatabaseConfig qConfig = new QueueDatabaseConfig();
qConfig.Creation = CreatePolicy.ALWAYS;
qConfig.Length = 4;
primaryDB = QueueDatabase.Open(dbFileName, qConfig);
fdb = QueueDatabase.Open(fdbFileName, qConfig);
} else if (dbtype == DatabaseType.RECNO) {
RecnoDatabaseConfig rConfig = new RecnoDatabaseConfig();
rConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = RecnoDatabase.Open(dbFileName, rConfig);
fdb = RecnoDatabase.Open(fdbFileName, rConfig);
} else {
throw new ArgumentException("Invalid DatabaseType");
}
// Open secondary database.
if (dbtype == DatabaseType.BTREE) {
SecondaryBTreeDatabaseConfig secbtConfig =
new SecondaryBTreeDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secbtConfig.Creation = CreatePolicy.ALWAYS;
secbtConfig.Duplicates = DuplicatesPolicy.SORTED;
if (action == ForeignKeyDeleteAction.NULLIFY)
secbtConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secbtConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryBTreeDatabase.Open(sdbFileName, secbtConfig);
} else if (dbtype == DatabaseType.HASH) {
SecondaryHashDatabaseConfig sechConfig =
new SecondaryHashDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
sechConfig.Creation = CreatePolicy.ALWAYS;
sechConfig.Duplicates = DuplicatesPolicy.SORTED;
if (action == ForeignKeyDeleteAction.NULLIFY)
sechConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
sechConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryHashDatabase.Open(sdbFileName, sechConfig);
} else if (dbtype == DatabaseType.QUEUE) {
SecondaryQueueDatabaseConfig secqConfig =
new SecondaryQueueDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secqConfig.Creation = CreatePolicy.ALWAYS;
secqConfig.Length = 4;
if (action == ForeignKeyDeleteAction.NULLIFY)
secqConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secqConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryQueueDatabase.Open(sdbFileName, secqConfig);
} else if (dbtype == DatabaseType.RECNO) {
SecondaryRecnoDatabaseConfig secrConfig =
new SecondaryRecnoDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secrConfig.Creation = CreatePolicy.ALWAYS;
if (action == ForeignKeyDeleteAction.NULLIFY)
secrConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secrConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryRecnoDatabase.Open(sdbFileName, secrConfig);
} else {
throw new ArgumentException("Invalid DatabaseType");
}
/* Use integer keys for Queue/Recno support. */
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(100)),
new DatabaseEntry(BitConverter.GetBytes(1001)));
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(200)),
new DatabaseEntry(BitConverter.GetBytes(2002)));
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(300)),
new DatabaseEntry(BitConverter.GetBytes(3003)));
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(1)),
new DatabaseEntry(BitConverter.GetBytes(100)));
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(2)),
new DatabaseEntry(BitConverter.GetBytes(200)));
if (dbtype == DatabaseType.BTREE || dbtype == DatabaseType.HASH)
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(3)),
new DatabaseEntry(BitConverter.GetBytes(100)));
try {
fdb.Delete(new DatabaseEntry(BitConverter.GetBytes(100)));
} catch (ForeignConflictException) {
Assert.AreEqual(action, ForeignKeyDeleteAction.ABORT);
}
if (action == ForeignKeyDeleteAction.ABORT) {
Assert.IsTrue(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
Assert.IsTrue(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
Assert.IsTrue(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} else if (action == ForeignKeyDeleteAction.CASCADE) {
try {
Assert.IsFalse(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
try {
Assert.IsFalse(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
try {
Assert.IsFalse(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
} else if (action == ForeignKeyDeleteAction.NULLIFY) {
try {
Assert.IsFalse(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
Assert.IsTrue(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
try {
Assert.IsFalse(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
}
// Close secondary database.
secDB.Close();
// Close primary database.
primaryDB.Close();
// Close foreign database
fdb.Close();
}
public DatabaseEntry SecondaryKeyGen(
DatabaseEntry key, DatabaseEntry data) {
DatabaseEntry dbtGen;
int skey = BitConverter.ToInt32(data.Data, 0);
// don't index secondary key of 0
if (skey == 0)
return null;
dbtGen = new DatabaseEntry(data.Data);
return dbtGen;
}
public DatabaseEntry Nullify(DatabaseEntry key, DatabaseEntry data, DatabaseEntry fkey) {
DatabaseEntry ret = new DatabaseEntry(BitConverter.GetBytes(0));
return ret;
}
}
}
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