Java 如何使用会话bean进行Mockito单元测试
我正在学习为我的JSF项目编写一个单元测试,该项目有ManangedBeans和会话bean 从Mockito测试调用EJB时遇到问题Java 如何使用会话bean进行Mockito单元测试,java,mockito,ejb-3.1,managed-bean,stateless-session-bean,Java,Mockito,Ejb 3.1,Managed Bean,Stateless Session Bean,我正在学习为我的JSF项目编写一个单元测试,该项目有ManangedBeans和会话bean 从Mockito测试调用EJB时遇到问题 package Test; import ejb.CountrySession; import java.io.Serializable; import javax.ejb.EJB; import javax.inject.Named; import javax.faces.view.ViewScoped; @Named(value = "countryMB
package Test;
import ejb.CountrySession;
import java.io.Serializable;
import javax.ejb.EJB;
import javax.inject.Named;
import javax.faces.view.ViewScoped;
@Named(value = "countryMB")
@ViewScoped
public class CountryMB implements Serializable {
@EJB
private CountrySession countSession;
//
private String countryName;
//
private StatusMsg msg;
public CountryMB() {
}
public void setMsg(StatusMsg msg) {
this.msg = msg;
}
public void setCountSession(CountrySession countSession) {
this.countSession = countSession;
}
public String getCountryName() {
return countryName;
}
public void setCountryName(String countryName) {
this.countryName = countryName;
}
public void ajaxAll() {
}
public void saveCountry() {
if (countryName != null && !countryName.trim().isEmpty()) {
boolean chk = countSession.chkCountry(countryName);
if (!chk) {
chk = countSession.addCountry(countryName);
if (chk) {
msg.addInfo("Add Country", "New Country added");
} else {
msg.addError("Add Country", "Unable to add Country");
}
} else {
msg.addWarn("Add Country", "Country already exists");
}
} else {
msg.addWarn("Add Country", "Required parameter not available");
}
}
}
现在在我的测试代码中,我有以下内容
package Test;
import ejb.CountrySession;
import entities.Country;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
public class CountryMBTest {
@Mock
private CountryMB countryMB;
@Mock
private StatusMsg sm;
@Mock
private CountrySession countSession;
@Mock
private EntityManager em;
@Mock
private Query qry;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
countryMB = new CountryMB();
countryMB.setMsg(sm);
countryMB.setCountSession(countSession);
}
@After
public void after() {
countryMB = null;
}
@Test
public void infoCountrySave() {
countryMB.setCountryName("Test");
countryMB.saveCountry();
verify(sm).addInfo("Add Country", "New Country added");
}
@Test
public void errorCountrySave() {
countryMB.setCountryName("Test");
countryMB.saveCountry();
verify(sm).addError("Add Country", "Unable to add Country");
}
@Test
public void warnCountrySave() {
countryMB.setCountryName("Test");
countryMB.saveCountry();
verify(sm).addWarn("Add Country", "Country already exists");
}
@Test
public void chkCountSave() {
List<Country> countLst = null;
Country dum = mock(Country.class);
EntityManager em = mock(EntityManager.class);
Mockito.when(em.find(Country.class, 111)).thenReturn(dum);
CountrySession cs = Mockito.mock(CountrySession.class);
Mockito.when(cs.chkCountry("Test")).thenCallRealMethod();
Mockito.when(cs.getEm()).thenReturn(em);
String name = "Test";
Assert.assertNull(cs.chkCountry(name));
}
}
对于infoCountrySave()&warnccountrysave(),它从不检查数据库中提供的值
因为我以前从未使用过任何单元测试,所以我真的不知道我所做的是否正确,而且我无法通过谷歌搜索找出任何工作代码
如果有人能引导我找到一些在线可用的资源,甚至让我知道我需要更正什么才能使上面的mockito测试工作与ejb部分一起工作,那将是非常有帮助的。Change
@Mock
with@InjectMocks
for
private CountryMB countryMB
当您得到java.lang.NullPointerException
时。当
private CountryMB countryMB