Add Integration Tests testing the Inline Caching support using a RDBMS (HSQLDB Database).

spring-geode/src/test/java/org/springframework/geode/cache/inline/database/InlineCachingWithDatabaseIntegrationTests.java

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+/*
+ * Copyright 2019 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
+ *
+ *     https://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.geode.cache.inline.database;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.function.Predicate;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.apache.geode.cache.GemFireCache;
+import org.apache.geode.cache.client.ClientRegionShortcut;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration;
+import org.springframework.boot.autoconfigure.data.cassandra.CassandraDataAutoConfiguration;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.DependsOn;
+import org.springframework.data.gemfire.GemfireTemplate;
+import org.springframework.data.gemfire.config.annotation.ClientCacheApplication;
+import org.springframework.data.gemfire.config.annotation.EnableEntityDefinedRegions;
+import org.springframework.data.gemfire.tests.integration.IntegrationTestsSupport;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.geode.cache.InlineCachingRegionConfigurer;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import example.app.crm.model.Customer;
+import example.app.crm.repo.CustomerRepository;
+
+/**
+ * Spring Boot Integration Tests testing the Inline Caching support using a RDBMS (HSQLDB Database).
+ *
+ * @author John Blum
+ * @see org.junit.Test
+ * @see org.apache.geode.cache.GemFireCache
+ * @see org.springframework.boot.autoconfigure.SpringBootApplication
+ * @see org.springframework.boot.autoconfigure.domain.EntityScan
+ * @see org.springframework.boot.test.context.SpringBootTest
+ * @see org.springframework.context.annotation.Bean
+ * @see org.springframework.data.gemfire.GemfireTemplate
+ * @see org.springframework.data.gemfire.config.annotation.ClientCacheApplication
+ * @see org.springframework.data.gemfire.config.annotation.EnableEntityDefinedRegions
+ * @see org.springframework.data.gemfire.tests.integration.IntegrationTestsSupport
+ * @see org.springframework.data.jpa.repository.config.EnableJpaRepositories
+ * @see org.springframework.geode.cache.InlineCachingRegionConfigurer
+ * @see org.springframework.test.context.junit4.SpringRunner
+ * @since 1.1.0
+ */
+@SpringBootTest
+@RunWith(SpringRunner.class)
+@ActiveProfiles("inline-caching-database")
+@SuppressWarnings("unused")
+public class InlineCachingWithDatabaseIntegrationTests extends IntegrationTestsSupport {
+
+	private static final String GEMFIRE_LOG_LEVEL = "off";
+
+	@Autowired
+	private CustomerRepository customerRepository;
+
+	@Autowired
+	private GemfireTemplate customersTemplate;
+
+	@Before
+	public void setup() {
+
+		assertThat(this.customerRepository).isNotNull();
+		assertThat(this.customerRepository.count()).isEqualTo(1);
+		assertThat(this.customerRepository.existsById(16L)).isTrue();
+
+		Customer pieDoe = this.customerRepository.findByName("Pie Doe");
+
+		assertThat(pieDoe).isNotNull();
+		assertThat(pieDoe.getId()).isEqualTo(16L);
+		assertThat(pieDoe.getName()).isEqualTo("Pie Doe");
+	}
+
+	@Test
+	public void cacheLoadsFromDatabase() {
+
+		assertThat(this.customersTemplate.containsKey(16L)).isFalse();
+
+		Customer pieDoe = this.customersTemplate.get(16L);
+
+		assertThat(pieDoe).isNotNull();
+		assertThat(pieDoe.getId()).isEqualTo(16L);
+		assertThat(pieDoe.getName()).isEqualTo("Pie Doe");
+
+		assertThat(this.customersTemplate.containsKey(16L)).isTrue();
+	}
+
+	@Test
+	public void cacheWritesToDatabase() {
+
+		Customer jonDoe = Customer.newCustomer(2L, "Jon Doe");
+
+		assertThat(this.customerRepository.existsById(jonDoe.getId())).isFalse();
+		assertThat(this.customerRepository.findByName(jonDoe.getName())).isNull();
+		assertThat(this.customersTemplate.containsKey(jonDoe.getId())).isFalse();
+
+		this.customersTemplate.put(jonDoe.getId(), jonDoe);
+
+		assertThat(this.customersTemplate.containsKey(jonDoe.getId())).isTrue();
+		assertThat(this.customerRepository.existsById(jonDoe.getId())).isTrue();
+
+		Customer jonDoeLoaded = this.customerRepository.findByName(jonDoe.getName());
+
+		assertThat(jonDoeLoaded).isNotNull();
+		assertThat(jonDoeLoaded).isEqualTo(jonDoe);
+	}
+
+	@SpringBootApplication(exclude = { CassandraAutoConfiguration.class, CassandraDataAutoConfiguration.class })
+	@ClientCacheApplication(logLevel = GEMFIRE_LOG_LEVEL)
+	@EntityScan(basePackageClasses = Customer.class)
+	@EnableEntityDefinedRegions(basePackageClasses = Customer.class, clientRegionShortcut = ClientRegionShortcut.LOCAL)
+	@EnableJpaRepositories(basePackageClasses = CustomerRepository.class)
+	static class TestGeodeClientConfiguration {
+
+		@Bean
+		@DependsOn("Customers")
+		GemfireTemplate customersTemplate(GemFireCache gemfireCache) {
+			return new GemfireTemplate(gemfireCache.getRegion("/Customers"));
+		}
+
+		@Bean
+		InlineCachingRegionConfigurer<Customer, Long> inlineCachingForCustomersRegionConfigurer(
+				CustomerRepository customerRepository) {
+
+			return new InlineCachingRegionConfigurer<>(customerRepository, Predicate.isEqual("Customers"));
+		}
+	}
+}