/*
* Copyright 2011, Mysema Ltd
*
* 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.mysema.query.jdo.serialization;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import com.mysema.query.jdo.JDOQLSerializer;
import com.mysema.query.jdo.JDOQLTemplates;
import com.mysema.query.jdo.test.domain.Book;
import com.mysema.query.jdo.test.domain.Product;
import com.mysema.query.jdo.test.domain.QBook;
import com.mysema.query.jdo.test.domain.QProduct;
import com.mysema.query.jdo.test.domain.QStore;
import com.mysema.query.types.Expression;
public class ExprSerializationTest {
private QBook book = QBook.book;
private QProduct product = QProduct.product;
private QStore store = QStore.store;
@Test
public void InstanceOf() {
assertEquals(
"product instanceof com.mysema.query.jdo.test.domain.Book",
serialize(product.instanceOf(Book.class)));
}
@Test
public void Eq() {
assertEquals("this.name == product.name", serialize(book.name.eq(product.name)));
assertEquals("this == product", serialize(book.eq(product)));
}
@Test
public void Aggregation() {
assertEquals("sum(product.price)", serialize(product.price.sum()));
assertEquals("min(product.price)", serialize(product.price.min()));
assertEquals("max(product.price)", serialize(product.price.max()));
assertEquals("avg(product.price)", serialize(product.price.avg()));
assertEquals("count(product.price)", serialize(product.price.count()));
}
@Test
public void BooleanTests() {
// boolean
assertEquals("product.name == a1 && product.price <= a2",
serialize(product.name.eq("Sony Discman").and(product.price.loe(300.00))));
assertEquals("product.name == a1 || product.price <= a2",
serialize(product.name.eq("Sony Discman").or(product.price.loe(300.00))));
assertEquals("!(product.name == a1)", serialize(product.name.eq(
"Sony MP3 player").not()));
}
@Test
public void CollectionTests() {
Product product = new Product();
// collection
assertEquals("store.products.contains(a1)",
serialize(store.products.contains(product)));
// assertEquals("store.products.get(0) == a1",
// serialize(store.products.get(0).eq(product)));
assertEquals("store.products.isEmpty()",
serialize(store.products.isEmpty()));
assertEquals("!store.products.isEmpty()",
serialize(store.products.isNotEmpty()));
assertEquals("store.products.size() == a1",
serialize(store.products.size().eq(1)));
}
@Test
public void MapTests() {
assertEquals("store.productsByName.containsKey(a1)",
serialize(store.productsByName.containsKey("")));
assertEquals("store.productsByName.containsValue(a1)",
serialize(store.productsByName.containsValue(new Product())));
assertEquals("store.productsByName.isEmpty()",
serialize(store.productsByName.isEmpty()));
assertEquals("!store.productsByName.isEmpty()",
serialize(store.productsByName.isNotEmpty()));
}
@Test
public void NumericTests() {
// numeric
assertEquals("product.price == a1", serialize(product.price.eq(200.00)));
assertEquals("product.price != a1", serialize(product.price.ne(100.00)));
assertEquals("product.price > a1", serialize(product.price.gt(100.00)));
assertEquals("product.price < a1", serialize(product.price.lt(300.00)));
assertEquals("product.price >= a1", serialize(product.price.goe(100.00)));
assertEquals("product.price <= a1", serialize(product.price.loe(300.00)));
// TODO +
// TODO -
// TODO *
// TODO /
// TODO %
// TODO Math.abs
// TODO Math.sqrt
}
@Test
public void StringTests() {
// string
assertEquals("product.name.startsWith(a1)", serialize(product.name.startsWith("Sony Discman")));
assertEquals("product.name.endsWith(a1)", serialize(product.name.endsWith("Discman")));
assertEquals("product.name.toLowerCase() == a1", serialize(product.name.lower().eq("sony discman")));
assertEquals("product.name.toUpperCase() == a1", serialize(product.name.upper().eq("SONY DISCMAN")));
assertEquals("product.name.indexOf(a1) == a2", serialize(product.name.indexOf("S").eq(0)));
// TODO indexOf
// TODO matches
assertEquals("product.name.substring(a1,a2) == a3", serialize(product.name.substring(0, 4).eq("Sony")));
assertEquals("product.name.substring(a1) == a2", serialize(product.name.substring(5).eq("Discman")));
assertEquals("product.name == \"\"", serialize(product.name.isEmpty()));
assertEquals("!(product.name == \"\")", serialize(product.name.isNotEmpty()));
}
private String serialize(Expression<?> expr) {
return new JDOQLSerializer(JDOQLTemplates.DEFAULT, book).handle(expr).toString();
}
}