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JAVA-2116: Split or move libraries-data-2 module (#9716)

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* JAVA-2116: Move Java-R Integration to libraries-6 module

* JAVA-2116: Move Guide to JMapper to libraries-data module
This commit is contained in:
kwoyke
2020-07-17 03:46:41 +02:00
committed by GitHub
parent 573fa1c3fa
commit 03c7d92e93
27 changed files with 79 additions and 75 deletions
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2
libraries-data-2/README.md
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@@ -8,10 +8,8 @@ This module contains articles about libraries for data processing in Java.
- [Introduction to Conflict-Free Replicated Data Types](https://www.baeldung.com/java-conflict-free-replicated-data-types)
- [Introduction to javax.measure](https://www.baeldung.com/javax-measure)
- [A Guide to Infinispan in Java](https://www.baeldung.com/infinispan)
- [Guide to JMapper](https://www.baeldung.com/jmapper)
- [An Introduction to SuanShu](https://www.baeldung.com/suanshu)
- [Intro to Derive4J](https://www.baeldung.com/derive4j)
- [Java-R Integration](https://www.baeldung.com/java-r-integration)
- [Univocity Parsers](https://www.baeldung.com/java-univocity-parsers)
- [Using Kafka MockConsumer](https://www.baeldung.com/kafka-mockconsumer)
- [Using Kafka MockProducer](https://www.baeldung.com/kafka-mockproducer)

55
libraries-data-2/pom.xml
View File

@@ -86,11 +86,6 @@
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>com.googlecode.jmapper-framework</groupId>
<artifactId>jmapper-core</artifactId>
<version>${jmapper.version}</version>
</dependency>
<dependency>
<groupId>com.numericalmethod</groupId>
<artifactId>suanshu</artifactId>
@@ -126,6 +121,11 @@
<artifactId>kafka-clients</artifactId>
<version>${kafka.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.awaitility</groupId>
<artifactId>awaitility</artifactId>
@@ -138,21 +138,6 @@
<version>${awaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.rosuda.REngine</groupId>
<artifactId>Rserve</artifactId>
<version>${rserve.version}</version>
</dependency>
<dependency>
<groupId>com.github.jbytecode</groupId>
<artifactId>RCaller</artifactId>
<version>${rcaller.version}</version>
</dependency>
<dependency>
<groupId>org.renjin</groupId>
<artifactId>renjin-script-engine</artifactId>
<version>${renjin.version}</version>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
@@ -175,33 +160,8 @@
<url>http://repo.numericalmethod.com/maven/</url>
<layout>default</layout>
</repository>
<!-- Needed for Renjin -->
<repository>
<id>bedatadriven</id>
<name>bedatadriven public repo</name>
<url>https://nexus.bedatadriven.com/content/groups/public/</url>
</repository>
</repositories>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<!-- Excludes FastR classes from compilations since they require GraalVM -->
<excludes>
<exclude>com/baeldung/r/FastRMean.java</exclude>
</excludes>
<testExcludes>
<exclude>com/baeldung/r/FastRMeanUnitTest.java</exclude>
</testExcludes>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<flink.version>1.5.0</flink.version>
<hll.version>1.6.0</hll.version>
@@ -210,17 +170,14 @@
<infinispan.version>9.1.5.Final</infinispan.version>
<jackson.version>2.9.8</jackson.version>
<spring.version>4.3.8.RELEASE</spring.version>
<jmapper.version>1.6.0.1</jmapper.version>
<suanshu.version>4.0.0</suanshu.version>
<derive4j.version>1.1.0</derive4j.version>
<assertj.version>3.6.2</assertj.version>
<slf4j.version>1.7.25</slf4j.version>
<awaitility.version>3.0.0</awaitility.version>
<univocity.version>2.8.4</univocity.version>
<renjin.version>RELEASE</renjin.version>
<rcaller.version>3.0</rcaller.version>
<rserve.version>1.8.1</rserve.version>
<kafka.version>2.5.0</kafka.version>
<guava.version>29.0-jre</guava.version>
</properties>
</project>

56
libraries-data-2/src/main/java/com/baeldung/jmapper/User.java
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@@ -1,56 +0,0 @@
package com.baeldung.jmapper;
import java.time.LocalDate;
public class User {
private long id;
private String email;
private LocalDate birthDate;
// constructors
public User() {
super();
}
public User(long id, String email, LocalDate birthDate) {
super();
this.id = id;
this.email = email;
this.birthDate = birthDate;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public LocalDate getBirthDate() {
return birthDate;
}
public void setBirthDate(LocalDate birthDate) {
this.birthDate = birthDate;
}
@Override
public String toString() {
return "User [id=" + id + ", email=" + email + ", birthDate=" + birthDate + "]";
}
}

69
libraries-data-2/src/main/java/com/baeldung/jmapper/UserDto.java
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@@ -1,69 +0,0 @@
package com.baeldung.jmapper;
import com.googlecode.jmapper.annotations.JMap;
import com.googlecode.jmapper.annotations.JMapConversion;
import java.time.LocalDate;
import java.time.Period;
public class UserDto {
@JMap
private long id;
@JMap("email")
private String username;
@JMap("birthDate")
private int age;
@JMapConversion(from={"birthDate"}, to={"age"})
public int conversion(LocalDate birthDate){
return Period.between(birthDate, LocalDate.now()).getYears();
}
// constructors
public UserDto() {
super();
}
public UserDto(long id, String username, int age) {
super();
this.id = id;
this.username = username;
this.age = age;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", username=" + username + ", age=" + age + "]";
}
}

47
libraries-data-2/src/main/java/com/baeldung/jmapper/UserDto1.java
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@@ -1,47 +0,0 @@
package com.baeldung.jmapper;
import com.googlecode.jmapper.annotations.JGlobalMap;
@JGlobalMap
public class UserDto1 {
private long id;
private String email;
// constructors
public UserDto1() {
super();
}
public UserDto1(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", email=" + email + "]";
}
}

49
libraries-data-2/src/main/java/com/baeldung/jmapper/relational/User.java
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@@ -1,49 +0,0 @@
package com.baeldung.jmapper.relational;
import com.googlecode.jmapper.annotations.JMap;
public class User {
@JMap(classes = {UserDto1.class, UserDto2.class})
private long id;
@JMap(attributes = {"username", "email"}, classes = {UserDto1.class, UserDto2.class})
private String email;
// constructors
public User() {
super();
}
public User(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "User [id=" + id + ", email=" + email + "]";
}
}

44
libraries-data-2/src/main/java/com/baeldung/jmapper/relational/UserDto1.java
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@@ -1,44 +0,0 @@
package com.baeldung.jmapper.relational;
public class UserDto1 {
private long id;
private String username;
// constructors
public UserDto1() {
super();
}
public UserDto1(long id, String username) {
super();
this.id = id;
this.username = username;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", username=" + username + "]";
}
}

44
libraries-data-2/src/main/java/com/baeldung/jmapper/relational/UserDto2.java
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@@ -1,44 +0,0 @@
package com.baeldung.jmapper.relational;
public class UserDto2 {
private long id;
private String email;
// constructors
public UserDto2() {
super();
}
public UserDto2(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "UserDto2 [id=" + id + ", email=" + email + "]";
}
}

33
libraries-data-2/src/main/java/com/baeldung/r/FastRMean.java
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@@ -1,33 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URISyntaxException;
/**
* FastR showcase.
*
* @author Donato Rimenti
*/
public class FastRMean {
/**
* Invokes the customMean R function passing the given values as arguments.
*
* @param values the input to the mean script
* @return the result of the R script
*/
public double mean(int[] values) {
Context polyglot = Context.newBuilder()
.allowAllAccess(true)
.build();
String meanScriptContent = RUtils.getMeanScriptContent();
polyglot.eval("R", meanScriptContent);
Value rBindings = polyglot.getBindings("R");
Value rInput = rBindings.getMember("c")
.execute(values);
return rBindings.getMember("customMean")
.execute(rInput)
.asDouble();
}
}

37
libraries-data-2/src/main/java/com/baeldung/r/RCallerMean.java
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@@ -1,37 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URISyntaxException;
import com.github.rcaller.rstuff.RCaller;
import com.github.rcaller.rstuff.RCallerOptions;
import com.github.rcaller.rstuff.RCode;
/**
* RCaller showcase.
*
* @author Donato Rimenti
*/
public class RCallerMean {
/**
* Invokes the customMean R function passing the given values as arguments.
*
* @param values the input to the mean script
* @return the result of the R script
* @throws IOException if any error occurs
* @throws URISyntaxException if any error occurs
*/
public double mean(int[] values) throws IOException, URISyntaxException {
String fileContent = RUtils.getMeanScriptContent();
RCode code = RCode.create();
code.addRCode(fileContent);
code.addIntArray("input", values);
code.addRCode("result <- customMean(input)");
RCaller caller = RCaller.create(code, RCallerOptions.create());
caller.runAndReturnResult("result");
return caller.getParser()
.getAsDoubleArray("result")[0];
}
}

33
libraries-data-2/src/main/java/com/baeldung/r/RUtils.java
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@@ -1,33 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Collectors;
/**
* Utility class for loading the script.R content.
*
* @author Donato Rimenti
*/
public class RUtils {
/**
* Loads the script.R and returns its content as a string.
*
* @return the script.R content as a string
* @throws IOException if any error occurs
* @throws URISyntaxException if any error occurs
*/
static String getMeanScriptContent() throws IOException, URISyntaxException {
URI rScriptUri = RUtils.class.getClassLoader()
.getResource("script.R")
.toURI();
Path inputScript = Paths.get(rScriptUri);
return Files.lines(inputScript)
.collect(Collectors.joining());
}
}

36
libraries-data-2/src/main/java/com/baeldung/r/RenjinMean.java
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@@ -1,36 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URISyntaxException;
import javax.script.ScriptException;
import org.renjin.script.RenjinScriptEngine;
import org.renjin.sexp.DoubleArrayVector;
/**
* Renjin showcase.
*
* @author Donato Rimenti
*/
public class RenjinMean {
/**
* Invokes the customMean R function passing the given values as arguments.
*
* @param values the input to the mean script
* @return the result of the R script
* @throws IOException if any error occurs
* @throws URISyntaxException if any error occurs
* @throws ScriptException if any error occurs
*/
public double mean(int[] values) throws IOException, URISyntaxException, ScriptException {
RenjinScriptEngine engine = new RenjinScriptEngine();
String meanScriptContent = RUtils.getMeanScriptContent();
engine.put("input", values);
engine.eval(meanScriptContent);
DoubleArrayVector result = (DoubleArrayVector) engine.eval("customMean(input)");
return result.asReal();
}
}

30
libraries-data-2/src/main/java/com/baeldung/r/RserveMean.java
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@@ -1,30 +0,0 @@
package com.baeldung.r;
import org.rosuda.REngine.REXPMismatchException;
import org.rosuda.REngine.REngineException;
import org.rosuda.REngine.Rserve.RConnection;
/**
* Rserve showcase.
*
* @author Donato Rimenti
*/
public class RserveMean {
/**
* Connects to the Rserve istance listening on 127.0.0.1:6311 and invokes the
* customMean R function passing the given values as arguments.
*
* @param values the input to the mean script
* @return the result of the R script
* @throws REngineException if any error occurs
* @throws REXPMismatchException if any error occurs
*/
public double mean(int[] values) throws REngineException, REXPMismatchException {
RConnection c = new RConnection();
c.assign("input", values);
return c.eval("customMean(input)")
.asDouble();
}
}

99
libraries-data-2/src/test/java/com/baeldung/jmapper/JMapperIntegrationTest.java
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@@ -1,99 +0,0 @@
package com.baeldung.jmapper;
import com.googlecode.jmapper.JMapper;
import com.googlecode.jmapper.api.JMapperAPI;
import org.junit.Test;
import java.time.LocalDate;
import static com.googlecode.jmapper.api.JMapperAPI.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class JMapperIntegrationTest {
@Test
public void givenUser_whenUseAnnotation_thenConverted() {
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class);
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseGlobalMapAnnotation_thenConverted() {
JMapper<UserDto1, User> userMapper = new JMapper<>(UserDto1.class, User.class);
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto1 result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
@Test
public void givenUser_whenUseAnnotationExplicitConversion_thenConverted() {
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class);
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
assertTrue(result.getAge() > 0);
}
// ======================= XML
@Test
public void givenUser_whenUseXml_thenConverted() {
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class, "user_jmapper.xml");
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseXmlGlobal_thenConverted() {
JMapper<UserDto1, User> userMapper = new JMapper<>(UserDto1.class, User.class, "user_jmapper1.xml");
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto1 result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
// ===== API
@Test
public void givenUser_whenUseApi_thenConverted() {
JMapperAPI jmapperApi = new JMapperAPI().add(mappedClass(UserDto.class).add(attribute("id").value("id")).add(attribute("username").value("email")));
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class, jmapperApi);
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto result = userMapper.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseApiGlobal_thenConverted() {
JMapperAPI jmapperApi = new JMapperAPI().add(mappedClass(UserDto.class).add(global()));
JMapper<UserDto1, User> userMapper1 = new JMapper<>(UserDto1.class, User.class, jmapperApi);
User user = new User(1L, "john@test.com", LocalDate.of(1980, 8, 20));
UserDto1 result = userMapper1.getDestination(user);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
}

75
libraries-data-2/src/test/java/com/baeldung/jmapper/JMapperRelationalIntegrationTest.java
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@@ -1,75 +0,0 @@
package com.baeldung.jmapper;
import com.baeldung.jmapper.relational.User;
import com.baeldung.jmapper.relational.UserDto1;
import com.baeldung.jmapper.relational.UserDto2;
import com.googlecode.jmapper.RelationalJMapper;
import com.googlecode.jmapper.api.JMapperAPI;
import org.junit.Test;
import static com.googlecode.jmapper.api.JMapperAPI.attribute;
import static com.googlecode.jmapper.api.JMapperAPI.mappedClass;
import static org.junit.Assert.assertEquals;
public class JMapperRelationalIntegrationTest {
@Test
public void givenUser_whenUseAnnotation_thenConverted(){
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class);
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2= relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
//======================= XML
@Test
public void givenUser_whenUseXml_thenConverted(){
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class,"user_jmapper2.xml");
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2 = relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
// ===== API
@Test
public void givenUser_whenUseApi_thenConverted(){
JMapperAPI jmapperApi = new JMapperAPI()
.add(mappedClass(User.class)
.add(attribute("id").value("id").targetClasses(UserDto1.class,UserDto2.class))
.add(attribute("email").targetAttributes("username","email").targetClasses(UserDto1.class,UserDto2.class)) )
;
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class,jmapperApi);
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2 = relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
}

29
libraries-data-2/src/test/java/com/baeldung/r/FastRMeanUnitTest.java
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@@ -1,29 +0,0 @@
package com.baeldung.r;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
/**
* Test for {@link FastRMean}.
*
* @author Donato Rimenti
*/
@Ignore
public class FastRMeanUnitTest {
/**
* Object to test.
*/
private FastRMean fastrMean = new FastRMean();
/**
* Test for {@link FastRMeanUnitTest#mean(int[])}.
*/
@Test
public void givenValues_whenMean_thenCorrect() {
int[] input = { 1, 2, 3, 4, 5 };
double result = fastrMean.mean(input);
Assert.assertEquals(3.0, result, 0.000001);
}
}

37
libraries-data-2/src/test/java/com/baeldung/r/RCallerMeanIntegrationTest.java
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@@ -1,37 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URISyntaxException;
import javax.script.ScriptException;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
/**
* Test for {@link RCallerMean}.
*
* @author Donato Rimenti
*/
@Ignore
public class RCallerMeanIntegrationTest {
/**
* Object to test.
*/
private RCallerMean rcallerMean = new RCallerMean();
/**
* Test for {@link RCallerMeanIntegrationTest#mean(int[])}.
*
* @throws ScriptException if an error occurs
* @throws URISyntaxException if an error occurs
*/
@Test
public void givenValues_whenMean_thenCorrect() throws IOException, URISyntaxException {
int[] input = { 1, 2, 3, 4, 5 };
double result = rcallerMean.mean(input);
Assert.assertEquals(3.0, result, 0.000001);
}
}

37
libraries-data-2/src/test/java/com/baeldung/r/RenjinMeanUnitTest.java
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@@ -1,37 +0,0 @@
package com.baeldung.r;
import java.io.IOException;
import java.net.URISyntaxException;
import javax.script.ScriptException;
import org.junit.Test;
import org.junit.Assert;
/**
* Test for {@link RenjinMean}.
*
* @author Donato Rimenti
*/
public class RenjinMeanUnitTest {
/**
* Object to test.
*/
private RenjinMean renjinMean = new RenjinMean();
/**
* Test for {@link RenjinMeanUnitTest#mean(int[])}.
*
* @throws ScriptException if an error occurs
* @throws URISyntaxException if an error occurs
* @throws IOException if an error occurs
*/
@Test
public void givenValues_whenMean_thenCorrect() throws IOException, URISyntaxException, ScriptException {
int[] input = { 1, 2, 3, 4, 5 };
double result = renjinMean.mean(input);
Assert.assertEquals(3.0, result, 0.000001);
}
}

34
libraries-data-2/src/test/java/com/baeldung/r/RserveMeanIntegrationTest.java
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@@ -1,34 +0,0 @@
package com.baeldung.r;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.rosuda.REngine.REXPMismatchException;
import org.rosuda.REngine.REngineException;
/**
* Test for {@link RserveMean}.
*
* @author Donato Rimenti
*/
@Ignore
public class RserveMeanIntegrationTest {
/**
* Object to test.
*/
private RserveMean rserveMean = new RserveMean();
/**
* Test for {@link RserveMeanIntegrationTest#mean(int[])}.
*
* @throws REXPMismatchException if an error occurs
* @throws REngineException if an error occurs
*/
@Test
public void givenValues_whenMean_thenCorrect() throws REngineException, REXPMismatchException {
int[] input = { 1, 2, 3, 4, 5 };
double result = rserveMean.mean(input);
Assert.assertEquals(3.0, result, 0.000001);
}
}

3
libraries-data-2/src/test/resources/script.R
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@@ -1,3 +0,0 @@
customMean <- function(vector) {
mean(vector)
}

10
libraries-data-2/src/test/resources/user_jmapper.xml
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@@ -1,10 +0,0 @@
<jmapper>
<class name="com.baeldung.jmapper.UserDto">
<attribute name="id">
<value name="id"/>
</attribute>
<attribute name="username">
<value name="email"/>
</attribute>
</class>
</jmapper>

5
libraries-data-2/src/test/resources/user_jmapper1.xml
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@@ -1,5 +0,0 @@
<jmapper>
<class name="com.baeldung.jmapper.UserDto1">
<global/>
</class>
</jmapper>

21
libraries-data-2/src/test/resources/user_jmapper2.xml
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@@ -1,21 +0,0 @@
<jmapper>
<class name="com.baeldung.jmapper.relational.User">
<attribute name="id">
<value name="id"/>
<classes>
<class name="com.baeldung.jmapper.relational.UserDto1"/>
<class name="com.baeldung.jmapper.relational.UserDto2"/>
</classes>
</attribute>
<attribute name="email">
<attributes>
<attribute name="username"/>
<attribute name="email"/>
</attributes>
<classes>
<class name="com.baeldung.jmapper.relational.UserDto1"/>
<class name="com.baeldung.jmapper.relational.UserDto2"/>
</classes>
</attribute>
</class>
</jmapper>