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/*
* Copyright 2004-2011 H2 Group.
* 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 java.sql.Date.valueOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.iciql.Db;
import com.iciql.test.models.Customer;
import com.iciql.test.models.Order;
import com.iciql.test.models.Product;
/**
* Tests the Db.update() function.
*
* @author dmoebius at scoop dash gmbh dot de
*/
public class UpdateTest {
private Db db;
@Before
public void setUp() throws Exception {
db = IciqlSuite.openNewDb();
db.insertAll(Product.getList());
db.insertAll(Customer.getList());
db.insertAll(Order.getList());
}
@After
public void tearDown() {
db.close();
}
@Test
public void testSimpleUpdate() {
Product p = new Product();
Product pChang = db.from(p).where(p.productName).is("Chang").selectFirst();
// update unitPrice from 19.0 to 19.5
pChang.unitPrice = 19.5;
// update unitsInStock from 17 to 16
pChang.unitsInStock = 16;
db.update(pChang);
Product p2 = new Product();
Product pChang2 = db.from(p2).where(p2.productName).is("Chang").selectFirst();
assertEquals(19.5, pChang2.unitPrice.doubleValue(), 0.001);
assertEquals(16, pChang2.unitsInStock.intValue());
// undo update
pChang.unitPrice = 19.0;
pChang.unitsInStock = 17;
db.update(pChang);
}
@Test
public void testSimpleUpdateWithCombinedPrimaryKey() {
Order o = new Order();
Order ourOrder = db.from(o).where(o.orderDate).is(valueOf("2007-01-02")).selectFirst();
ourOrder.orderDate = valueOf("2007-01-03");
db.update(ourOrder);
Order ourUpdatedOrder = db.from(o).where(o.orderDate).is(valueOf("2007-01-03")).selectFirst();
assertTrue("updated order not found", ourUpdatedOrder != null);
// undo update
ourOrder.orderDate = valueOf("2007-01-02");
db.update(ourOrder);
}
@Test
public void testSimpleMerge() {
Product p = new Product();
Product pChang = db.from(p).where(p.productName).is("Chang").selectFirst();
// update unitPrice from 19.0 to 19.5
pChang.unitPrice = 19.5;
// update unitsInStock from 17 to 16
pChang.unitsInStock = 16;
db.merge(pChang);
Product p2 = new Product();
Product pChang2 = db.from(p2).where(p2.productName).is("Chang").selectFirst();
assertEquals(19.5, pChang2.unitPrice, 0.001);
assertEquals(16, pChang2.unitsInStock.intValue());
// undo update
pChang.unitPrice = 19.0;
pChang.unitsInStock = 17;
db.merge(pChang);
}
@Test
public void testSimpleMergeWithCombinedPrimaryKey() {
Order o = new Order();
Order ourOrder = db.from(o).where(o.orderDate).is(valueOf("2007-01-02")).selectFirst();
ourOrder.orderDate = valueOf("2007-01-03");
db.merge(ourOrder);
Order ourUpdatedOrder = db.from(o).where(o.orderDate).is(valueOf("2007-01-03")).selectFirst();
assertTrue("updated order not found", ourUpdatedOrder != null);
// undo update
ourOrder.orderDate = valueOf("2007-01-02");
db.merge(ourOrder);
}
@Test
public void testSetColumns() {
Product p = new Product();
Product original = db.from(p).where(p.productId).is(1).selectFirst();
// update string and double columns
db.from(p).set(p.productName).to("updated").increment(p.unitPrice).by(3.14).increment(p.unitsInStock)
.by(2).where(p.productId).is(1).update();
// confirm the data was properly updated
Product revised = db.from(p).where(p.productId).is(1).selectFirst();
assertEquals("updated", revised.productName);
assertEquals(original.unitPrice + 3.14, revised.unitPrice, 0.001);
assertEquals(original.unitsInStock + 2, revised.unitsInStock.intValue());
// restore the data
db.from(p).set(p.productName).to(original.productName).set(p.unitPrice).to(original.unitPrice)
.increment(p.unitsInStock).by(-2).where(p.productId).is(1).update();
// confirm the data was properly restored
Product restored = db.from(p).where(p.productId).is(1).selectFirst();
assertEquals(original.productName, restored.productName);
assertEquals(original.unitPrice, restored.unitPrice);
assertEquals(original.unitsInStock, restored.unitsInStock);
double unitPriceOld = db.from(p).where(p.productId).is(1).selectFirst().unitPrice;
// double the unit price
db.from(p).increment(p.unitPrice).by(p.unitPrice).where(p.productId).is(1).update();
double unitPriceNew = db.from(p).where(p.productId).is(1).selectFirst().unitPrice;
assertEquals(unitPriceOld * 2, unitPriceNew, 0.001);
}
}
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