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/*
* Copyright 2011 James Moger.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.iciql.test;
import static org.junit.Assert.assertEquals;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.Test;
import com.iciql.Db;
import com.iciql.DbUpgrader;
import com.iciql.Iciql.IQVersion;
import com.iciql.test.models.Product;
import com.iciql.test.models.SupportedTypes;
import com.iciql.test.models.SupportedTypes.SupportedTypes2;
/**
* Tests the database and table upgrade functions.
*
*/
public class UpgradesTest {
@Test
public void testDatabaseUpgrade() {
Db db = IciqlSuite.openNewDb();
List<Product> products = Product.getList();
// set the v1 upgrader and insert a record.
// this will trigger the upgrade.
V1DbUpgrader v1 = new V1DbUpgrader();
db.setDbUpgrader(v1);
db.insert(products.get(0));
// confirm that upgrade occurred
assertEquals(0, v1.oldVersion.get());
assertEquals(1, v1.newVersion.get());
// open a second connection to the database
// and then apply the v2 upgrade.
// For H2 its important to keep the first connection
// alive so that the database is not destroyed.
Db db2 = IciqlSuite.openCurrentDb();
// set the v2 upgrader and insert a record.
// this will trigger the upgrade.
V2DbUpgrader v2 = new V2DbUpgrader();
db2.setDbUpgrader(v2);
db2.insert(products.get(1));
// confirm that upgrade occurred
assertEquals(1, v2.oldVersion.get());
assertEquals(2, v2.newVersion.get());
db.executeUpdate("DROP TABLE iq_versions");
db.close();
db2.close();
}
@Test
public void testDatabaseInheritedUpgrade() {
Db db = IciqlSuite.openNewDb();
List<Product> products = Product.getList();
// set the v1 upgrader and insert a record.
// this will trigger the upgrade.
V1DbUpgrader v1 = new V1DbUpgrader();
db.setDbUpgrader(v1);
db.insert(products.get(0));
// confirm that upgrade occurred
assertEquals(0, v1.oldVersion.get());
assertEquals(1, v1.newVersion.get());
// open a second connection to the database
// and then apply the v2 upgrade.
// For H2 its important to keep the first connection
// alive so that the database is not destroyed.
Db db2 = IciqlSuite.openCurrentDb();
// set the v2 upgrader and insert a record.
// this will trigger the upgrade.
V2DbUpgraderImpl v2 = new V2DbUpgraderImpl();
db2.setDbUpgrader(v2);
db2.insert(products.get(1));
// confirm that upgrade occurred
assertEquals(1, v2.oldVersion.get());
assertEquals(2, v2.newVersion.get());
db.executeUpdate("DROP TABLE iq_versions");
db.close();
db2.close();
}
@Test
public void testTableUpgrade() {
Db db = IciqlSuite.openNewDb();
// insert first, this will create version record automatically
List<SupportedTypes> original = SupportedTypes.createList();
db.insertAll(original);
// reset the dbUpgrader (clears the update check cache)
V2DbUpgrader dbUpgrader = new V2DbUpgrader();
db.setDbUpgrader(dbUpgrader);
SupportedTypes2 s2 = new SupportedTypes2();
List<SupportedTypes2> types = db.from(s2).select();
assertEquals(10, types.size());
assertEquals(1, dbUpgrader.oldVersion.get());
assertEquals(2, dbUpgrader.newVersion.get());
db.executeUpdate("DROP TABLE iq_versions");
db.close();
}
/**
* A sample database upgrader class.
*/
class BaseDbUpgrader implements DbUpgrader {
final AtomicInteger oldVersion = new AtomicInteger(0);
final AtomicInteger newVersion = new AtomicInteger(0);
public boolean upgradeTable(Db db, String schema, String table, int fromVersion, int toVersion) {
// just claims success on upgrade request
oldVersion.set(fromVersion);
newVersion.set(toVersion);
return true;
}
public boolean upgradeDatabase(Db db, int fromVersion, int toVersion) {
// just claims success on upgrade request
oldVersion.set(fromVersion);
newVersion.set(toVersion);
return true;
}
}
/**
* A sample V1 database upgrader class.
*/
@IQVersion(1)
class V1DbUpgrader extends BaseDbUpgrader {
}
/**
* A sample V2 database upgrader class.
*/
@IQVersion(2)
class V2DbUpgrader extends BaseDbUpgrader {
}
/**
* A sample V2 database upgrader class which inherits its
* version from the parent class.
*/
@IQVersion()
class V2DbUpgraderImpl extends V2DbUpgrader {
}
}
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