GemfireQueryCreatorUnitTests.java

/*
 * Copyright 2012 the original author or authors.
 *
 * 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.springframework.data.gemfire.repository.query;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.springframework.data.gemfire.util.RuntimeExceptionFactory.newIllegalStateException;

import org.junit.Before;
import org.junit.Test;
import org.springframework.data.gemfire.mapping.GemfireMappingContext;
import org.springframework.data.gemfire.mapping.GemfirePersistentEntity;
import org.springframework.data.gemfire.repository.sample.Person;
import org.springframework.data.repository.query.parser.PartTree;

/**
 * Unit tests for {@link GemfireQueryCreator}.
 *
 * @author Oliver Gierke
 * @author John Blum
 */
public class GemfireQueryCreatorUnitTests {

	GemfirePersistentEntity<Person> entity;

	@Before
	@SuppressWarnings("unchecked")
	public void setUp() {
		entity = (GemfirePersistentEntity<Person>) new GemfireMappingContext().getPersistentEntity(Person.class)
			.orElseThrow(() -> newIllegalStateException("Unable to resolve PersistentEntity for type [%s]",
				Person.class));
	}

	@Test
	public void createsQueryForSimplePropertyReferenceCorrectly() {
		PartTree partTree = new PartTree("findByLastname", Person.class);

		GemfireQueryCreator queryCreator = new GemfireQueryCreator(partTree, entity);

		QueryString query = queryCreator.createQuery();

		assertThat(query.toString(), is(equalTo("SELECT * FROM /simple x WHERE x.lastname = $1")));
	}

	@Test
	public void createsQueryForNestedPropertyReferenceCorrectly() {
		PartTree partTree = new PartTree("findPersonByAddressCity", Person.class);

		GemfireQueryCreator queryCreator = new GemfireQueryCreator(partTree, entity);

		QueryString query = queryCreator.createQuery();

		assertThat(query.toString(), is(equalTo("SELECT * FROM /simple x WHERE x.address.city = $1")));
	}
}