Java tutorial
/* * Copyright 2016 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 example; import static org.hamcrest.CoreMatchers.is; import static org.hamcrest.CoreMatchers.not; import static org.hamcrest.Matchers.*; import static org.junit.Assert.*; import static org.springframework.data.domain.ExampleMatcher.*; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.data.domain.Example; import org.springframework.data.domain.ExampleMatcher.*; import org.springframework.data.mongodb.core.MongoOperations; import org.springframework.test.context.junit4.SpringRunner; /** * Integration test showing the usage of MongoDB Query-by-Example support through Spring Data repositories for a case * where two domain types are stored in one collection. * * @author Mark Paluch * @author Oliver Gierke * @soundtrack Paul van Dyk - VONYC Sessions Episode 496 with guest Armin van Buuren */ @RunWith(SpringRunner.class) @SpringBootTest public class ContactRepositoryIntegrationTests { @Autowired UserRepository userRepository; @Autowired ContactRepository contactRepository; @Autowired MongoOperations mongoOperations; Person skyler, walter, flynn; Relative marie, hank; @Before public void setUp() { contactRepository.deleteAll(); this.skyler = contactRepository.save(new Person("Skyler", "White", 45)); this.walter = contactRepository.save(new Person("Walter", "White", 50)); this.flynn = contactRepository.save(new Person("Walter Jr. (Flynn)", "White", 17)); this.marie = contactRepository.save(new Relative("Marie", "Schrader", 38)); this.hank = contactRepository.save(new Relative("Hank", "Schrader", 43)); } @Test public void countByConcreteSubtypeExample() { Example<Person> example = Example.of(new Person(null, null, null)); assertThat(userRepository.count(example), is(3L)); } @Test public void findAllPersonsBySimpleExample() { Example<Person> example = Example.of(new Person(".*", null, null), // matching().withStringMatcher(StringMatcher.REGEX)); assertThat(userRepository.findAll(example), containsInAnyOrder(skyler, walter, flynn)); assertThat(userRepository.findAll(example), not(containsInAnyOrder(hank, marie))); } @Test public void findAllRelativesBySimpleExample() { Example<Relative> example = Example.of(new Relative(".*", null, null), // matching().withStringMatcher(StringMatcher.REGEX)); assertThat(contactRepository.findAll(example), containsInAnyOrder(hank, marie)); assertThat(contactRepository.findAll(example), not(containsInAnyOrder(skyler, walter, flynn))); } }