diff --git a/pom.xml b/pom.xml
index 5c1ea68..f94aa88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,20 @@
 			<artifactId>mssql-jdbc</artifactId>
 			<version>6.1.0.jre8</version>
 		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.mockito/mockito-all -->
+		<dependency>
+			<groupId>org.mockito</groupId>
+			<artifactId>mockito-all</artifactId>
+			<version>1.9.5</version>
+			<scope>test</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/junit/junit -->
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 	<build>
 		<plugins>
diff --git a/src/main/java/com/rshka/mcs/service/CustomerServiceImpl.java b/src/main/java/com/rshka/mcs/service/CustomerServiceImpl.java
index ef4714e..a0609dd 100644
--- a/src/main/java/com/rshka/mcs/service/CustomerServiceImpl.java
+++ b/src/main/java/com/rshka/mcs/service/CustomerServiceImpl.java
@@ -14,6 +14,14 @@ public class CustomerServiceImpl implements CustomerService {
 	@Autowired
 	private CustomerDao customerDao;
 
+	public CustomerServiceImpl() {
+		
+	}
+	
+	public CustomerServiceImpl(CustomerDao customerDao) {
+		this.customerDao = customerDao;
+	}
+	
 	public Customer getCustomer(String document) {
 
 		return customerDao.getCustomer(document);
diff --git a/src/test/java/com/rshka/mcs/services/CustomerServiceImplTest.java b/src/test/java/com/rshka/mcs/services/CustomerServiceImplTest.java
new file mode 100644
index 0000000..07d4615
--- /dev/null
+++ b/src/test/java/com/rshka/mcs/services/CustomerServiceImplTest.java
@@ -0,0 +1,67 @@
+package com.rshka.mcs.services;
+
+import static org.junit.Assert.assertNotNull;
+
+import javax.ws.rs.ext.ExceptionMapper;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Matchers;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.dao.EmptyResultDataAccessException;
+
+import com.rshka.mcs.beans.Customer;
+import com.rshka.mcs.dao.CustomerDaoImpl;
+import com.rshka.mcs.service.CustomerServiceImpl;
+import static com.rshka.mcs.utils.TestUtils.getCustomerByDocument;
+
+@RunWith(MockitoJUnitRunner.class)
+public class CustomerServiceImplTest {
+
+	@InjectMocks
+	CustomerServiceImpl customerServiceImpl;
+
+	@Mock
+	private CustomerDaoImpl customerDaoImpl;
+	
+	@Rule
+	public ExpectedException thrown = ExpectedException.none();
+
+	public CustomerServiceImplTest() {
+	}
+
+	@Test
+	public void testGetCustomerOk() {
+
+		Mockito.when(this.customerDaoImpl.getCustomer(Mockito.anyString())).thenReturn(getCustomerByDocument());
+
+		this.customerServiceImpl = new CustomerServiceImpl(customerDaoImpl);
+
+		Customer customer = this.customerServiceImpl.getCustomer(Mockito.anyString());
+
+		assertNotNull(customer);
+
+	}
+	
+	@Test
+	public void testGetCustomerNotOk() {
+
+		this.customerServiceImpl = new CustomerServiceImpl(customerDaoImpl);
+
+		Mockito.when(this.customerDaoImpl.getCustomer(Mockito.anyString())).thenThrow(new EmptyResultDataAccessException("Cannot find customer", 1));
+
+		EmptyResultDataAccessException expectedException = new EmptyResultDataAccessException("Cannot find customer", 1);
+		
+		thrown.expect(EmptyResultDataAccessException.class);
+		
+		Customer customer = this.customerServiceImpl.getCustomer(Mockito.anyString());
+
+
+	}
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/rshka/mcs/utils/TestUtils.java b/src/test/java/com/rshka/mcs/utils/TestUtils.java
new file mode 100644
index 0000000..d1a2537
--- /dev/null
+++ b/src/test/java/com/rshka/mcs/utils/TestUtils.java
@@ -0,0 +1,11 @@
+package com.rshka.mcs.utils;
+
+import com.rshka.mcs.beans.Customer;
+
+public class TestUtils {
+
+	public static Customer getCustomerByDocument() {
+		return new Customer(1, "Persona Nombre", "Avenida 1", "133 443", "12312312");
+	}
+	
+}
diff --git a/target/classes/com/rshka/mcs/service/CustomerServiceImpl.class b/target/classes/com/rshka/mcs/service/CustomerServiceImpl.class
index cb84905..bcf96c2 100644
Binary files a/target/classes/com/rshka/mcs/service/CustomerServiceImpl.class and b/target/classes/com/rshka/mcs/service/CustomerServiceImpl.class differ
diff --git a/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.properties b/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.properties
index c5fc77a..11661be 100644
--- a/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.properties
+++ b/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.properties
@@ -1,5 +1,5 @@
 #Generated by Maven Integration for Eclipse
-#Thu Jan 16 22:35:34 PYST 2020
+#Fri Jan 17 07:51:57 PYST 2020
 version=0.0.1-SNAPSHOT
 groupId=com.rshk.demo.mcs
 m2e.projectName=demo_mcs
diff --git a/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.xml b/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.xml
index 5c1ea68..f94aa88 100644
--- a/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.xml
+++ b/target/m2e-wtp/web-resources/META-INF/maven/com.rshk.demo.mcs/demo_mcs/pom.xml
@@ -55,6 +55,20 @@
 			<artifactId>mssql-jdbc</artifactId>
 			<version>6.1.0.jre8</version>
 		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.mockito/mockito-all -->
+		<dependency>
+			<groupId>org.mockito</groupId>
+			<artifactId>mockito-all</artifactId>
+			<version>1.9.5</version>
+			<scope>test</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/junit/junit -->
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 	<build>
 		<plugins>