DATACOUCH-350 - Polishing.

Add test to verify configuration extension. Fix reactive module name to match non-reactive module name. Add author tags. Reorder methods, add javadoc comments.

Original pull request: #153.

src/test/java/org/springframework/data/couchbase/repository/config/ReactiveCouchbaseRepositoryConfigurationExtensionUnitTests.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2017 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.couchbase.repository.config;
+
+import static org.junit.Assert.*;
+
+import java.util.Collection;
+
+import org.junit.Test;
+import org.springframework.beans.factory.support.BeanDefinitionRegistry;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.StandardEnvironment;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.core.type.StandardAnnotationMetadata;
+import org.springframework.data.couchbase.core.mapping.Document;
+import org.springframework.data.couchbase.repository.ReactiveCouchbaseRepository;
+import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
+import org.springframework.data.repository.config.RepositoryConfiguration;
+import org.springframework.data.repository.config.RepositoryConfigurationSource;
+import org.springframework.data.repository.reactive.ReactiveCrudRepository;
+import org.springframework.data.repository.reactive.RxJava2CrudRepository;
+
+/**
+ * Unit tests for {@link ReactiveCouchbaseRepositoryConfigurationExtension}.
+ *
+ * @author Mark Paluch
+ */
+public class ReactiveCouchbaseRepositoryConfigurationExtensionUnitTests {
+
+	StandardAnnotationMetadata metadata = new StandardAnnotationMetadata(Config.class, true);
+	ResourceLoader loader = new PathMatchingResourcePatternResolver();
+	Environment environment = new StandardEnvironment();
+	BeanDefinitionRegistry registry = new DefaultListableBeanFactory();
+
+	RepositoryConfigurationSource configurationSource = new AnnotationRepositoryConfigurationSource(metadata,
+			EnableReactiveCouchbaseRepositories.class, loader, environment, registry);
+
+	@Test // DATACOUCH-350
+	public void isStrictMatchIfDomainTypeIsAnnotatedWithDocument() {
+
+		ReactiveCouchbaseRepositoryConfigurationExtension extension = new ReactiveCouchbaseRepositoryConfigurationExtension();
+		assertHasRepo(SampleRepository.class, extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	@Test // DATACOUCH-350
+	public void isStrictMatchIfRepositoryExtendsStoreSpecificBase() {
+
+		ReactiveCouchbaseRepositoryConfigurationExtension extension = new ReactiveCouchbaseRepositoryConfigurationExtension();
+		assertHasRepo(StoreRepository.class, extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	@Test // DATACOUCH-350
+	public void isNotStrictMatchIfDomainTypeIsNotAnnotatedWithDocument() {
+
+		ReactiveCouchbaseRepositoryConfigurationExtension extension = new ReactiveCouchbaseRepositoryConfigurationExtension();
+		assertDoesNotHaveRepo(UnannotatedRepository.class,
+				extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	private static void assertHasRepo(Class<?> repositoryInterface,
+			Collection<RepositoryConfiguration<RepositoryConfigurationSource>> configs) {
+
+		for (RepositoryConfiguration<?> config : configs) {
+			if (config.getRepositoryInterface().equals(repositoryInterface.getName())) {
+				return;
+			}
+		}
+
+		fail("Expected to find config for repository interface ".concat(repositoryInterface.getName()).concat(" but got ")
+				.concat(configs.toString()));
+	}
+
+	private static void assertDoesNotHaveRepo(Class<?> repositoryInterface,
+			Collection<RepositoryConfiguration<RepositoryConfigurationSource>> configs) {
+
+		for (RepositoryConfiguration<?> config : configs) {
+			if (config.getRepositoryInterface().equals(repositoryInterface.getName())) {
+				fail("Expected not to find config for repository interface ".concat(repositoryInterface.getName()));
+			}
+		}
+	}
+
+	@EnableReactiveCouchbaseRepositories(considerNestedRepositories = true)
+	static class Config {
+
+	}
+
+	@Document
+	static class Sample {}
+
+	static class Store {}
+
+	interface SampleRepository extends ReactiveCrudRepository<Sample, Long> {}
+
+	interface UnannotatedRepository extends RxJava2CrudRepository<Store, Long> {}
+
+	interface StoreRepository extends ReactiveCouchbaseRepository<Store, Long> {}
+}