| /* |
| * Copyright (c) 2008, Rickard Öberg. All Rights Reserved. |
| * Copyright (c) 2009, Niclas Hedhman. All Rights Reserved. |
| * |
| * 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 org.apache.zest.runtime.query; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.apache.zest.api.composite.TransientBuilder; |
| import org.apache.zest.api.composite.TransientComposite; |
| import org.apache.zest.api.property.Property; |
| import org.apache.zest.api.query.Query; |
| import org.apache.zest.api.query.QueryBuilder; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.test.AbstractQi4jTest; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.apache.zest.api.query.QueryExpressions.and; |
| import static org.apache.zest.api.query.QueryExpressions.ge; |
| import static org.apache.zest.api.query.QueryExpressions.lt; |
| import static org.apache.zest.api.query.QueryExpressions.orderBy; |
| import static org.apache.zest.api.query.QueryExpressions.templateFor; |
| |
| /** |
| * JAVADOC |
| */ |
| public class QueryBuilderFactoryImplTest |
| extends AbstractQi4jTest |
| { |
| private List<TestComposite> composites; |
| |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.transients( TestComposite.class ); |
| } |
| |
| @Before |
| public void setUp() |
| throws Exception |
| { |
| super.setUp(); |
| composites = new ArrayList<TestComposite>(); |
| composites.add( newInstance( "A", 6 ) ); |
| composites.add( newInstance( "B", 2 ) ); |
| composites.add( newInstance( "C", 3 ) ); |
| composites.add( newInstance( "C", 4 ) ); |
| composites.add( newInstance( "E", 5 ) ); |
| composites.add( newInstance( "A", 1 ) ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenFindEntityExpectFirstEntityReturned() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| assertEquals( "A", query.find().a().get() ); |
| assertEquals( 6, query.count() ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenOrderByFirstPropertyExpectOrderedResult() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| TestComposite template = templateFor( TestComposite.class ); |
| query.orderBy( orderBy( template.a() ) ); |
| verifyOrder( query, "612345" ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenOrderBySecondPropertyExpectOrderedResult() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| TestComposite template = templateFor( TestComposite.class ); |
| query.orderBy( orderBy( template.b() ) ); |
| verifyOrder( query, "123456" ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenOrderByTwoPropertiesExpectOrderedResult() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| TestComposite template = templateFor( TestComposite.class ); |
| query.orderBy( orderBy( template.a() ), orderBy( template.b() ) ); |
| verifyOrder( query, "162345" ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenMaxedResultExpectLimitedResult() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| query.maxResults( 5 ); |
| verifyOrder( query, "62345" ); |
| } |
| |
| @Test |
| public void givenPlainQueryWhenFirstResultIsBeyondFirstElementExpectLimitedResult() |
| { |
| Query<TestComposite> query = module.newQueryBuilder( TestComposite.class ).newQuery( composites ); |
| query.firstResult( 2 ); |
| verifyOrder( query, "3451" ); |
| } |
| |
| @Test |
| public void givenWhereQueryWhenWhereClauseLimitsToRangeExpectLimitedResult() |
| { |
| final QueryBuilder<TestComposite> qb = module.newQueryBuilder( TestComposite.class ); |
| TestComposite template = templateFor( TestComposite.class ); |
| Query<TestComposite> query = qb.where( |
| and( |
| ge( template.b(), 3 ), |
| lt( template.b(), 5 ) |
| ) |
| ).newQuery( composites ); |
| verifyOrder( query, "34" ); |
| } |
| |
| private void verifyOrder( Query<TestComposite> query, String expected ) |
| { |
| String actual = ""; |
| for( TestComposite testComposite : query ) |
| { |
| actual = actual + testComposite.b().get(); |
| } |
| |
| assertThat( "Query is correct", actual, equalTo( expected ) ); |
| assertThat( "Count is correct", query.count(), equalTo( (long) expected.length() ) ); |
| } |
| |
| private TestComposite newInstance( String a, int b ) |
| { |
| TransientBuilder<TestComposite> builder = |
| module.newTransientBuilder( TestComposite.class ); |
| TestComposite instance = builder.prototype(); |
| instance.a().set( a ); |
| instance.b().set( b ); |
| return builder.newInstance(); |
| } |
| |
| public interface TestComposite |
| extends TransientComposite |
| { |
| Property<String> a(); |
| |
| Property<Integer> b(); |
| } |
| } |