java - how to mock FacesContext with JMockit, All the tests fail with NullPointerException -


all junit tests fail nullpointerexception when bean uses facescontext or creates object of class uses facescontext. please suggest way test code junit.

bean

@managedbean(name = "displayissuesbean") @sessionscoped public class displayissuesbean implements serializable {      private static final long serialversionuid = -3017739535520843880l;     private static final logger logger = logger.getlogger(addissuebean.class);     private transient addissuedto addnewissuedto = new addissuedto();     private transient idisplayissues displayissuesservice = new displayissuesservice();     private transient list<string> projectnames = displayissuesservice             .getprojectnames(getemailid());     private transient list<issuedisplaydto> issues = new arraylist<issuedisplaydto>();     private transient list<issuedisplaydto> modifiedlist = new arraylist<issuedisplaydto>();     private string projectname;     private int projectid;     int firstid;     int secondid;     private transient issuedisplaydto backup1;     private transient issuedisplaydto backup2;  public string getemailid() {         string emailid = facescontext.getcurrentinstance().getexternalcontext()                 .getremoteuser();         logger.info(emailid);         return emailid;     }  public string setissuetypewithissuetypeid(int issuetypeid) {         string issuetype = null;         if (issuetypeid == 1) {             issuetype = "bug";         } else if (issuetypeid == 2) {             issuetype = "story";         } else if (issuetypeid == 3) {             issuetype = "task";         }         return issuetype;     }

test

@test     public void testissuetypewithissuetypeid() {         displayissuesbean bean = new displayissuesbean();         assertequals("bug", bean.setissuetypewithissuetypeid(1));     }

error

java.lang.nullpointerexception     @ com.jts1.controller.displayissuesbean.getemailid(displayissuesbean.java:104)     @ com.jts1.controller.displayissuesbean.<init>(displayissuesbean.java:28)     @ com.jts1.test.displayissuestest.testissuetypewithissuetypeid(displayissuestest.java:13)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:483)     @ org.junit.runners.model.frameworkmethod$1.runreflectivecall(frameworkmethod.java:50)     @ org.junit.internal.runners.model.reflectivecallable.run(reflectivecallable.java:12)     @ org.junit.runners.model.frameworkmethod.invokeexplosively(frameworkmethod.java:47)     @ org.junit.internal.runners.statements.invokemethod.evaluate(invokemethod.java:17)     @ org.junit.runners.parentrunner.runleaf(parentrunner.java:325)     @ org.junit.runners.blockjunit4classrunner.runchild(blockjunit4classrunner.java:78)     @ org.junit.runners.blockjunit4classrunner.runchild(blockjunit4classrunner.java:57)     @ org.junit.runners.parentrunner$3.run(parentrunner.java:290)     @ org.junit.runners.parentrunner$1.schedule(parentrunner.java:71)     @ org.junit.runners.parentrunner.runchildren(parentrunner.java:288)     @ org.junit.runners.parentrunner.access$000(parentrunner.java:58)     @ org.junit.runners.parentrunner$2.evaluate(parentrunner.java:268)     @ org.junit.runners.parentrunner.run(parentrunner.java:363)     @ org.eclipse.jdt.internal.junit4.runner.junit4testreference.run(junit4testreference.java:50)     @ org.eclipse.jdt.internal.junit.runner.testexecution.run(testexecution.java:38)     @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.runtests(remotetestrunner.java:459)     @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.runtests(remotetestrunner.java:675)     @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.run(remotetestrunner.java:382)     @ org.eclipse.jdt.internal.junit.runner.remotetestrunner.main(remotetestrunner.java:192)

mock facescontext , record expectation externalcontext#getremoteuser():

@test public void testissuetypewithissuetypeid(     @mocked facescontext faces, @mocked final externalcontext extctx ) {     new expectations() {{ extctx.getremoteuser(); result = "test"; }};      displayissuesbean bean = new displayissuesbean();     assertequals("bug", bean.setissuetypewithissuetypeid(1)); }

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