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JAVA-6511 - Removed Mongo DB Reactive and Mongo DB Tail cursor.

This commit is contained in:
anuragkumawat 2021-08-20 01:13:26 +05:30
parent 77a32b7f37
commit e70f7829af
23 changed files with 0 additions and 840 deletions
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9
spring-5-data-reactive/pom.xml
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@ -24,10 +24,6 @@
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-couchbase-reactive</artifactId> <artifactId>spring-boot-starter-data-couchbase-reactive</artifactId>
</dependency> </dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>
<dependency> <dependency>
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId> <artifactId>spring-boot-starter-web</artifactId>
@ -54,11 +50,6 @@
<artifactId>spring-boot-starter-test</artifactId> <artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency> <dependency>
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId> <artifactId>spring-boot-starter-webflux</artifactId>

25
spring-5-data-reactive/src/main/java/com/baeldung/reactive/Spring5ReactiveApplication.java
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@ -1,25 +0,0 @@
package com.baeldung.reactive;
import com.mongodb.reactivestreams.client.MongoClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
@SpringBootApplication
public class Spring5ReactiveApplication{
public static void main(String[] args) {
SpringApplication.run(Spring5ReactiveApplication.class, args);
}
@Autowired
MongoClient mongoClient;
@Bean
public ReactiveMongoTemplate reactiveMongoTemplate() {
return new ReactiveMongoTemplate(mongoClient, "test");
}
}

21
spring-5-data-reactive/src/main/java/com/baeldung/reactive/model/Account.java
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@ -1,21 +0,0 @@
package com.baeldung.reactive.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
@Document
@Data
@ToString
@AllArgsConstructor
@NoArgsConstructor
public class Account {
@Id
private String id;
private String owner;
private Double value;
}

15
spring-5-data-reactive/src/main/java/com/baeldung/reactive/repository/AccountCrudRepository.java
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@ -1,15 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.model.Account;
import org.springframework.data.repository.reactive.ReactiveCrudRepository;
import org.springframework.stereotype.Repository;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Repository
public interface AccountCrudRepository extends ReactiveCrudRepository<Account, String> {
public Flux<Account> findAllByValue(Double value);
public Mono<Account> findFirstByOwner(Mono<String> owner);
}

7
spring-5-data-reactive/src/main/java/com/baeldung/reactive/repository/AccountMongoRepository.java
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@ -1,7 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.model.Account;
import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
public interface AccountMongoRepository extends ReactiveMongoRepository<Account, String> {
}

15
spring-5-data-reactive/src/main/java/com/baeldung/reactive/repository/AccountRxJavaRepository.java
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@ -1,15 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.model.Account;
import io.reactivex.Observable;
import io.reactivex.Single;
import org.springframework.data.repository.reactive.RxJava2CrudRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface AccountRxJavaRepository extends RxJava2CrudRepository<Account, String>{
public Observable<Account> findAllByValue(Double value);
public Single<Account> findFirstByOwner(Single<String> owner);
}

33
spring-5-data-reactive/src/main/java/com/baeldung/reactive/template/AccountTemplateOperations.java
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@ -1,33 +0,0 @@
package com.baeldung.reactive.template;
import com.baeldung.reactive.model.Account;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
import org.springframework.data.mongodb.core.ReactiveRemoveOperation;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
public class AccountTemplateOperations {
@Autowired
ReactiveMongoTemplate template;
public Mono<Account> findById(String id) {
return template.findById(id, Account.class);
}
public Flux<Account> findAll() {
return template.findAll(Account.class);
}
public Mono<Account> save(Mono<Account> account) {
return template.save(account);
}
public ReactiveRemoveOperation.ReactiveRemove<Account> deleteAll() {
return template.remove(Account.class);
}
}

11
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/LogsCounterApplication.java
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@ -1,11 +0,0 @@
package com.baeldung.tailablecursor;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class LogsCounterApplication {
public static void main(String[] args) {
SpringApplication.run(LogsCounterApplication.class, args);
}
}

21
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/domain/Log.java
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@ -1,21 +0,0 @@
package com.baeldung.tailablecursor.domain;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
@Data
@Document
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class Log {
@Id
private String id;
private String service;
private LogLevel level;
private String message;
}

5
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/domain/LogLevel.java
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@ -1,5 +0,0 @@
package com.baeldung.tailablecursor.domain;
public enum LogLevel {
ERROR, WARN, INFO
}

12
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/repository/LogsRepository.java
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@ -1,12 +0,0 @@
package com.baeldung.tailablecursor.repository;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import org.springframework.data.mongodb.repository.Tailable;
import org.springframework.data.repository.reactive.ReactiveCrudRepository;
import reactor.core.publisher.Flux;
public interface LogsRepository extends ReactiveCrudRepository<Log, String> {
@Tailable
Flux<Log> findByLevel(LogLevel level);
}

62
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/service/ErrorLogsCounter.java
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@ -1,62 +0,0 @@
package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.mapping.Document;
import org.springframework.data.mongodb.core.messaging.DefaultMessageListenerContainer;
import org.springframework.data.mongodb.core.messaging.MessageListener;
import org.springframework.data.mongodb.core.messaging.MessageListenerContainer;
import org.springframework.data.mongodb.core.messaging.TailableCursorRequest;
import javax.annotation.PreDestroy;
import java.util.concurrent.atomic.AtomicInteger;
import static org.springframework.data.mongodb.core.query.Criteria.where;
import static org.springframework.data.mongodb.core.query.Query.query;
@Slf4j
public class ErrorLogsCounter implements LogsCounter {
private static final String LEVEL_FIELD_NAME = "level";
private final String collectionName;
private final MessageListenerContainer container;
private final AtomicInteger counter = new AtomicInteger();
public ErrorLogsCounter(MongoTemplate mongoTemplate,
String collectionName) {
this.collectionName = collectionName;
this.container = new DefaultMessageListenerContainer(mongoTemplate);
container.start();
TailableCursorRequest<Log> request = getTailableCursorRequest();
container.register(request, Log.class);
}
@SuppressWarnings("unchecked")
private TailableCursorRequest<Log> getTailableCursorRequest() {
MessageListener<Document, Log> listener = message -> {
log.info("ERROR log received: {}", message.getBody());
counter.incrementAndGet();
};
return TailableCursorRequest.builder()
.collection(collectionName)
.filter(query(where(LEVEL_FIELD_NAME).is(LogLevel.ERROR)))
.publishTo(listener)
.build();
}
@Override
public int count() {
return counter.get();
}
@PreDestroy
public void close() {
container.stop();
}
}

36
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/service/InfoLogsCounter.java
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@ -1,36 +0,0 @@
package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import com.baeldung.tailablecursor.repository.LogsRepository;
import lombok.extern.slf4j.Slf4j;
import reactor.core.Disposable;
import reactor.core.publisher.Flux;
import javax.annotation.PreDestroy;
import java.util.concurrent.atomic.AtomicInteger;
@Slf4j
public class InfoLogsCounter implements LogsCounter {
private final AtomicInteger counter = new AtomicInteger();
private final Disposable subscription;
public InfoLogsCounter(LogsRepository repository) {
Flux<Log> stream = repository.findByLevel(LogLevel.INFO);
this.subscription = stream.subscribe(logEntity -> {
log.info("INFO log received: " + logEntity);
counter.incrementAndGet();
});
}
@Override
public int count() {
return this.counter.get();
}
@PreDestroy
public void close() {
this.subscription.dispose();
}
}

5
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/service/LogsCounter.java
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@ -1,5 +0,0 @@
package com.baeldung.tailablecursor.service;
public interface LogsCounter {
int count();
}

41
spring-5-data-reactive/src/main/java/com/baeldung/tailablecursor/service/WarnLogsCounter.java
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@ -1,41 +0,0 @@
package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.mongodb.core.ReactiveMongoOperations;
import reactor.core.Disposable;
import reactor.core.publisher.Flux;
import javax.annotation.PreDestroy;
import java.util.concurrent.atomic.AtomicInteger;
import static org.springframework.data.mongodb.core.query.Criteria.where;
import static org.springframework.data.mongodb.core.query.Query.query;
@Slf4j
public class WarnLogsCounter implements LogsCounter {
private static final String LEVEL_FIELD_NAME = "level";
private final AtomicInteger counter = new AtomicInteger();
private final Disposable subscription;
public WarnLogsCounter(ReactiveMongoOperations template) {
Flux<Log> stream = template.tail(query(where(LEVEL_FIELD_NAME).is(LogLevel.WARN)), Log.class);
subscription = stream.subscribe(logEntity -> {
log.warn("WARN log received: " + logEntity);
counter.incrementAndGet();
});
}
@Override
public int count() {
return counter.get();
}
@PreDestroy
public void close() {
subscription.dispose();
}
}

17
spring-5-data-reactive/src/test/java/com/baeldung/SpringContextTest.java
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@ -1,17 +0,0 @@
package com.baeldung;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.reactive.Spring5ReactiveApplication;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = Spring5ReactiveApplication.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}

70
spring-5-data-reactive/src/test/java/com/baeldung/reactive/repository/AccountCrudRepositoryManualTest.java
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@ -1,70 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.Spring5ReactiveApplication;
import com.baeldung.reactive.model.Account;
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.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5ReactiveApplication.class)
public class AccountCrudRepositoryManualTest {
@Autowired
AccountCrudRepository repository;
@Test
public void givenValue_whenFindAllByValue_thenFindAccount() {
repository.save(new Account(null, "Bill", 12.3)).block();
Flux<Account> accountFlux = repository.findAllByValue(12.3);
StepVerifier.create(accountFlux)
.assertNext(account -> {
assertEquals("Bill", account.getOwner());
assertEquals(Double.valueOf(12.3) , account.getValue());
assertNotNull(account.getId());
})
.expectComplete()
.verify();
}
@Test
public void givenOwner_whenFindFirstByOwner_thenFindAccount() {
repository.save(new Account(null, "Bill", 12.3)).block();
Mono<Account> accountMono = repository.findFirstByOwner(Mono.just("Bill"));
StepVerifier.create(accountMono)
.assertNext(account -> {
assertEquals("Bill", account.getOwner());
assertEquals(Double.valueOf(12.3) , account.getValue());
assertNotNull(account.getId());
})
.expectComplete()
.verify();
}
@Test
public void givenAccount_whenSave_thenSaveAccount() {
Mono<Account> accountMono = repository.save(new Account(null, "Bill", 12.3));
StepVerifier
.create(accountMono)
.assertNext(account -> assertNotNull(account.getId()))
.expectComplete()
.verify();
}
}

67
spring-5-data-reactive/src/test/java/com/baeldung/reactive/repository/AccountMongoRepositoryManualTest.java
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@ -1,67 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.Spring5ReactiveApplication;
import com.baeldung.reactive.model.Account;
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.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.springframework.data.domain.ExampleMatcher.GenericPropertyMatchers.startsWith;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5ReactiveApplication.class)
public class AccountMongoRepositoryManualTest {
@Autowired
AccountMongoRepository repository;
@Test
public void givenExample_whenFindAllWithExample_thenFindAllMacthings() {
repository.save(new Account(null, "john", 12.3)).block();
ExampleMatcher matcher = ExampleMatcher.matching().withMatcher("owner", startsWith());
Example<Account> example = Example.of(new Account(null, "jo", null), matcher);
Flux<Account> accountFlux = repository.findAll(example);
StepVerifier
.create(accountFlux)
.assertNext(account -> assertEquals("john", account.getOwner()))
.expectComplete()
.verify();
}
@Test
public void givenAccount_whenSave_thenSave() {
Mono<Account> accountMono = repository.save(new Account(null, "john", 12.3));
StepVerifier
.create(accountMono)
.assertNext(account -> assertNotNull(account.getId()))
.expectComplete()
.verify();
}
@Test
public void givenId_whenFindById_thenFindAccount() {
Account inserted = repository.save(new Account(null, "john", 12.3)).block();
Mono<Account> accountMono = repository.findById(inserted.getId());
StepVerifier
.create(accountMono)
.assertNext(account -> {
assertEquals("john", account.getOwner());
assertEquals(Double.valueOf(12.3), account.getValue());
assertNotNull(account.getId());
})
.expectComplete()
.verify();
}
}

58
spring-5-data-reactive/src/test/java/com/baeldung/reactive/repository/AccountRxJavaRepositoryManualTest.java
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@ -1,58 +0,0 @@
package com.baeldung.reactive.repository;
import com.baeldung.reactive.Spring5ReactiveApplication;
import com.baeldung.reactive.model.Account;
import io.reactivex.Observable;
import io.reactivex.Single;
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.junit4.SpringRunner;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5ReactiveApplication.class)
public class AccountRxJavaRepositoryManualTest {
@Autowired
AccountRxJavaRepository repository;
@Test
public void givenValue_whenFindAllByValue_thenFindAccounts() throws InterruptedException {
repository.save(new Account(null, "bruno", 12.3)).blockingGet();
Observable<Account> accountObservable = repository.findAllByValue(12.3);
accountObservable
.test()
.await()
.assertComplete()
.assertValueAt(0, account -> {
assertEquals("bruno", account.getOwner());
assertEquals(Double.valueOf(12.3), account.getValue());
return true;
});
}
@Test
public void givenOwner_whenFindFirstByOwner_thenFindAccount() throws InterruptedException {
repository.save(new Account(null, "bruno", 12.3)).blockingGet();
Single<Account> accountSingle = repository.findFirstByOwner(Single.just("bruno"));
accountSingle
.test()
.await()
.assertComplete()
.assertValueAt(0, account -> {
assertEquals("bruno", account.getOwner());
assertEquals(Double.valueOf(12.3), account.getValue());
assertNotNull(account.getId());
return true;
});
}
}

48
spring-5-data-reactive/src/test/java/com/baeldung/reactive/template/AccountTemplateOperationsManualTest.java
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@ -1,48 +0,0 @@
package com.baeldung.reactive.template;
import com.baeldung.reactive.Spring5ReactiveApplication;
import com.baeldung.reactive.model.Account;
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.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5ReactiveApplication.class)
public class AccountTemplateOperationsManualTest {
@Autowired
AccountTemplateOperations accountTemplate;
@Test
public void givenAccount_whenSave_thenSave() {
Account account = accountTemplate.save(Mono.just(new Account(null, "Raul", 12.3))).block();
assertNotNull( account.getId() );
}
@Test
public void givenId_whenFindById_thenFindAccount() {
Mono<Account> accountMono = accountTemplate.save(Mono.just(new Account(null, "Raul", 12.3)));
Mono<Account> accountMonoResult = accountTemplate.findById(accountMono.block().getId());
assertNotNull(accountMonoResult.block().getId());
assertEquals(accountMonoResult.block().getOwner(), "Raul");
}
@Test
public void whenFindAll_thenFindAllAccounts() {
Account account1 = accountTemplate.save(Mono.just(new Account(null, "Raul", 12.3))).block();
Account account2 = accountTemplate.save(Mono.just(new Account(null, "Raul Torres", 13.3))).block();
Flux<Account> accountFlux = accountTemplate.findAll();
List<Account> accounts = accountFlux.collectList().block();
assertTrue(accounts.stream().anyMatch(x -> account1.getId().equals(x.getId()) ));
assertTrue(accounts.stream().anyMatch(x -> account2.getId().equals(x.getId()) ));
}
}

112
spring-5-data-reactive/src/test/java/com/baeldung/tailablecursor/service/ErrorLogsCounterManualTest.java
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@ -1,112 +0,0 @@
package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.model.CreateCollectionOptions;
import de.flapdoodle.embed.mongo.MongodExecutable;
import de.flapdoodle.embed.mongo.MongodProcess;
import de.flapdoodle.embed.mongo.MongodStarter;
import de.flapdoodle.embed.mongo.config.MongodConfigBuilder;
import de.flapdoodle.embed.mongo.config.Net;
import de.flapdoodle.embed.mongo.distribution.Version;
import de.flapdoodle.embed.process.runtime.Network;
import org.bson.Document;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.util.SocketUtils;
import java.io.IOException;
import java.util.stream.IntStream;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
public class ErrorLogsCounterManualTest {
private static final String SERVER = "localhost";
private static final int PORT = SocketUtils.findAvailableTcpPort(10000);
private static final String DB_NAME = "test";
private static final String COLLECTION_NAME = Log.class.getName().toLowerCase();
private static final MongodStarter starter = MongodStarter.getDefaultInstance();
private static final int MAX_DOCUMENTS_IN_COLLECTION = 3;
private ErrorLogsCounter errorLogsCounter;
private MongodExecutable mongodExecutable;
private MongodProcess mongoDaemon;
private MongoDatabase db;
@Before
public void setup() throws Exception {
MongoTemplate mongoTemplate = initMongoTemplate();
MongoCollection<Document> collection = createCappedCollection();
persistDocument(collection, -1, LogLevel.ERROR, "my-service", "Initial log");
errorLogsCounter = new ErrorLogsCounter(mongoTemplate, COLLECTION_NAME);
Thread.sleep(1000L); // wait for initialization
}
private MongoTemplate initMongoTemplate() throws IOException {
mongodExecutable = starter.prepare(new MongodConfigBuilder()
.version(Version.Main.PRODUCTION)
.net(new Net(SERVER, PORT, Network.localhostIsIPv6()))
.build());
mongoDaemon = mongodExecutable.start();
MongoClient mongoClient = new MongoClient(SERVER, PORT);
db = mongoClient.getDatabase(DB_NAME);
return new MongoTemplate(mongoClient, DB_NAME);
}
private MongoCollection<Document> createCappedCollection() {
db.createCollection(COLLECTION_NAME, new CreateCollectionOptions()
.capped(true)
.sizeInBytes(100000)
.maxDocuments(MAX_DOCUMENTS_IN_COLLECTION));
return db.getCollection(COLLECTION_NAME);
}
private void persistDocument(MongoCollection<Document> collection,
int i, LogLevel level, String service, String message) {
Document logMessage = new Document();
logMessage.append("_id", i);
logMessage.append("level", level.toString());
logMessage.append("service", service);
logMessage.append("message", message);
collection.insertOne(logMessage);
}
@After
public void tearDown() {
errorLogsCounter.close();
mongoDaemon.stop();
mongodExecutable.stop();
}
@Test
public void whenErrorLogsArePersisted_thenTheyAreReceivedByLogsCounter() throws Exception {
MongoCollection<Document> collection = db.getCollection(COLLECTION_NAME);
IntStream.range(1, 10)
.forEach(i -> persistDocument(collection,
i,
i > 5 ? LogLevel.ERROR : LogLevel.INFO,
"service" + i,
"Message from service " + i)
);
Thread.sleep(1000L); // wait to receive all messages from the reactive mongodb driver
assertThat(collection.countDocuments(), is((long) MAX_DOCUMENTS_IN_COLLECTION));
assertThat(errorLogsCounter.count(), is(5));
}
}

75
spring-5-data-reactive/src/test/java/com/baeldung/tailablecursor/service/InfoLogsCounterManualTest.java
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@ -1,75 +0,0 @@
package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.LogsCounterApplication;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import com.baeldung.tailablecursor.repository.LogsRepository;
import lombok.extern.slf4j.Slf4j;
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.mongodb.core.CollectionOptions;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = LogsCounterApplication.class)
@Slf4j
public class InfoLogsCounterManualTest {
@Autowired
private LogsRepository repository;
@Autowired
private ReactiveMongoTemplate template;
@Before
public void setUp() {
createCappedCollectionUsingReactiveMongoTemplate(template);
persistDocument(Log.builder()
.level(LogLevel.INFO)
.service("Service 2")
.message("Initial INFO message")
.build());
}
private void createCappedCollectionUsingReactiveMongoTemplate(ReactiveMongoTemplate reactiveMongoTemplate) {
reactiveMongoTemplate.dropCollection(Log.class).block();
reactiveMongoTemplate.createCollection(Log.class, CollectionOptions.empty()
.maxDocuments(5)
.size(1024 * 1024L)
.capped()).block();
}
private void persistDocument(Log log) {
repository.save(log).block();
}
@Test
public void wheInfoLogsArePersisted_thenTheyAreReceivedByLogsCounter() throws Exception {
InfoLogsCounter infoLogsCounter = new InfoLogsCounter(repository);
Thread.sleep(1000L); // wait for initialization
Flux.range(0,10)
.map(i -> Log.builder()
.level(i > 5 ? LogLevel.WARN : LogLevel.INFO)
.service("some-service")
.message("some log message")
.build())
.map(entity -> repository.save(entity).subscribe())
.blockLast();
Thread.sleep(1000L); // wait to receive all messages from the reactive mongodb driver
assertThat(infoLogsCounter.count(), is(7));
infoLogsCounter.close();
}
}

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spring-5-data-reactive/src/test/java/com/baeldung/tailablecursor/service/WarnLogsCounterManualTest.java
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package com.baeldung.tailablecursor.service;
import com.baeldung.tailablecursor.LogsCounterApplication;
import com.baeldung.tailablecursor.domain.Log;
import com.baeldung.tailablecursor.domain.LogLevel;
import com.baeldung.tailablecursor.repository.LogsRepository;
import lombok.extern.slf4j.Slf4j;
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.mongodb.core.CollectionOptions;
import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = LogsCounterApplication.class)
@Slf4j
public class WarnLogsCounterManualTest {
@Autowired
private LogsRepository repository;
@Autowired
private ReactiveMongoTemplate template;
@Before
public void setUp() {
createCappedCollectionUsingReactiveMongoTemplate(template);
persistDocument(Log.builder()
.level(LogLevel.WARN)
.service("Service 1")
.message("Initial Warn message")
.build());
}
private void createCappedCollectionUsingReactiveMongoTemplate(ReactiveMongoTemplate reactiveMongoTemplate) {
reactiveMongoTemplate.dropCollection(Log.class).block();
reactiveMongoTemplate.createCollection(Log.class, CollectionOptions.empty()
.maxDocuments(5)
.size(1024 * 1024L)
.capped()).block();
}
private void persistDocument(Log log) {
repository.save(log).block();
}
@Test
public void whenWarnLogsArePersisted_thenTheyAreReceivedByLogsCounter() throws Exception {
WarnLogsCounter warnLogsCounter = new WarnLogsCounter(template);
Thread.sleep(1000L); // wait for initialization
Flux.range(0,10)
.map(i -> Log.builder()
.level(i > 5 ? LogLevel.WARN : LogLevel.INFO)
.service("some-service")
.message("some log message")
.build())
.map(entity -> repository.save(entity).subscribe())
.blockLast();
Thread.sleep(1000L); // wait to receive all messages from the reactive mongodb driver
assertThat(warnLogsCounter.count(), is(5));
warnLogsCounter.close();
}
}