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/*
* Copyright 2012 Frédéric Gaillard.
*
* 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.sql.SQLException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.iciql.Db;
import com.iciql.IciqlException;
import com.iciql.test.models.CategoryAnnotationOnly;
import com.iciql.test.models.ProductAnnotationOnlyWithForeignKey;
/**
* Tests of transactions.
*/
public class TransactionTest {
/**
* This object represents a database (actually a connection to the
* database).
*/
private Db db;
@Before
public void setUp() {
db = IciqlSuite.openNewDb();
// tables creation
db.from(new CategoryAnnotationOnly());
db.from(new ProductAnnotationOnlyWithForeignKey());
startTransactionMode();
}
@After
public void tearDown() {
endTransactionMode();
db.dropTable(ProductAnnotationOnlyWithForeignKey.class);
db.dropTable(CategoryAnnotationOnly.class);
db.close();
}
@Test
public void testTransaction() {
// insert in 2 tables inside a transaction
// insertAll don't use save point in this transaction
db.insertAll(CategoryAnnotationOnly.getList());
db.insertAll(ProductAnnotationOnlyWithForeignKey.getList());
// don't commit changes
try {
db.getConnection().rollback();
} catch (SQLException e) {
throw new IciqlException(e, "Can't rollback");
}
ProductAnnotationOnlyWithForeignKey p = new ProductAnnotationOnlyWithForeignKey();
long count1 = db.from(p).selectCount();
CategoryAnnotationOnly c = new CategoryAnnotationOnly();
long count2 = db.from(c).selectCount();
// verify changes aren't committed
assertEquals(count1, 0L);
assertEquals(count2, 0L);
}
/**
* Helper to set transaction mode
*/
private void startTransactionMode() {
db.setSkipCreate(true);
db.setAutoSavePoint(false);
try {
db.getConnection().setAutoCommit(false);
} catch (SQLException e) {
throw new IciqlException(e, "Could not change auto-commit mode");
}
}
/**
* Helper to return to initial mode
*/
private void endTransactionMode() {
try {
db.getConnection().setAutoCommit(true);
} catch (SQLException e) {
throw new IciqlException(e, "Could not change auto-commit mode");
}
// returns to initial states
db.setSkipCreate(false);
db.setAutoSavePoint(true);
}
}
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