Add Hibernate 4 sample

Add a sample showing how Hibernate 4 can be used if necessary.

See gh-2763

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/SampleDataJpaApplicationTests.java

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+/*
+ * Copyright 2012-2016 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 sample.hibernate4;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.ObjectName;
+
+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.test.context.ActiveProfiles;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Integration test to run the application.
+ *
+ * @author Oliver Gierke
+ * @author Dave Syer
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+// Enable JMX so we can test the MBeans (you can't do this in a properties file)
+@TestPropertySource(properties = { "spring.jmx.enabled:true",
+		"spring.datasource.jmx-enabled:true" })
+@ActiveProfiles("scratch")
+// Separate profile for web tests to avoid clashing databases
+public class SampleDataJpaApplicationTests {
+
+	@Autowired
+	private WebApplicationContext context;
+
+	private MockMvc mvc;
+
+	@Before
+	public void setUp() {
+		this.mvc = MockMvcBuilders.webAppContextSetup(this.context).build();
+	}
+
+	@Test
+	public void testHome() throws Exception {
+
+		this.mvc.perform(get("/")).andExpect(status().isOk())
+				.andExpect(content().string("Bath"));
+	}
+
+	@Test
+	public void testJmx() throws Exception {
+		assertThat(ManagementFactory.getPlatformMBeanServer()
+				.queryMBeans(new ObjectName("jpa.sample:type=ConnectionPool,*"), null))
+						.hasSize(1);
+	}
+
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/service/CityRepositoryIntegrationTests.java

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+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import sample.hibernate4.domain.City;
+import sample.hibernate4.service.CityRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link CityRepository}.
+ *
+ * @author Oliver Gierke
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CityRepositoryIntegrationTests {
+
+	@Autowired
+	CityRepository repository;
+
+	@Test
+	public void findsFirstPageOfCities() {
+
+		Page<City> cities = this.repository.findAll(new PageRequest(0, 10));
+		assertThat(cities.getTotalElements()).isGreaterThan(20L);
+	}
+}

spring-boot-samples/spring-boot-sample-hibernate4/src/test/java/sample/hibernate4/service/HotelRepositoryIntegrationTests.java

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+/*
+ * Copyright 2012-2016 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 sample.hibernate4.service;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import sample.hibernate4.domain.City;
+import sample.hibernate4.domain.Hotel;
+import sample.hibernate4.domain.HotelSummary;
+import sample.hibernate4.domain.Rating;
+import sample.hibernate4.domain.RatingCount;
+import sample.hibernate4.service.CityRepository;
+import sample.hibernate4.service.HotelRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort.Direction;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for {@link HotelRepository}.
+ *
+ * @author Oliver Gierke
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class HotelRepositoryIntegrationTests {
+
+	@Autowired
+	CityRepository cityRepository;
+	@Autowired
+	HotelRepository repository;
+
+	@Test
+	public void executesQueryMethodsCorrectly() {
+		City city = this.cityRepository
+				.findAll(new PageRequest(0, 1, Direction.ASC, "name")).getContent()
+				.get(0);
+		assertThat(city.getName()).isEqualTo("Atlanta");
+
+		Page<HotelSummary> hotels = this.repository.findByCity(city,
+				new PageRequest(0, 10, Direction.ASC, "name"));
+		Hotel hotel = this.repository.findByCityAndName(city,
+				hotels.getContent().get(0).getName());
+		assertThat(hotel.getName()).isEqualTo("Doubletree");
+
+		List<RatingCount> counts = this.repository.findRatingCounts(hotel);
+		assertThat(counts).hasSize(1);
+		assertThat(counts.get(0).getRating()).isEqualTo(Rating.AVERAGE);
+		assertThat(counts.get(0).getCount()).isGreaterThan(1L);
+	}
+}