/*
    * Copyright (c) 2006 JMockit developers
    * This file is subject to the terms of the MIT license (see LICENSE.txt).
    */
   package mockit;
   
   import static org.junit.jupiter.api.Assertions.assertEquals;
   import static org.junit.jupiter.api.Assertions.assertFalse;
   import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.Collections;
  import java.util.Map;
  
  import javax.security.auth.Subject;
  import javax.security.auth.callback.CallbackHandler;
  import javax.security.auth.login.AppConfigurationEntry;
  import javax.security.auth.login.Configuration;
  import javax.security.auth.login.LoginContext;
  import javax.security.auth.login.LoginException;
  import javax.security.auth.spi.LoginModule;
  
  import org.junit.jupiter.api.Test;
  
  public final class MockLoginContextTest {
  
      @Test
      public void mockJREMethodAndConstructorUsingAnnotatedMockClass() throws Exception {
          new MockLoginContext();
  
          new LoginContext("test", (CallbackHandler) null).login();
      }
  
      public static class MockLoginContext extends MockUp<LoginContext> {
          @Mock
          public void $init(String name, CallbackHandler callbackHandler) {
              assertEquals("test", name);
              assertNull(callbackHandler);
          }
  
          @Mock
          public void login() {
          }
  
          @Mock
          public Subject getSubject() {
              return null;
          }
      }
  
      @Test
      public void mockJREMethodAndConstructorWithMockUpClass() throws Exception {
          new MockUp<LoginContext>() {
              @Mock
              void $init(String name) {
                  assertEquals("test", name);
              }
  
              @Mock
              void login() throws LoginException {
                  throw new LoginException();
              }
          };
  
          assertThrows(LoginException.class, () -> {
              new LoginContext("test").login();
          });
      }
  
      @Test
      public void mockJREClassWithStubs() throws Exception {
          new MockLoginContextWithStubs();
  
          LoginContext context = new LoginContext("");
          context.login();
          context.logout();
      }
  
      final class MockLoginContextWithStubs extends MockUp<LoginContext> {
          @Mock
          void $init(String s) {
          }
  
          @Mock
          void logout() {
          }
  
          @Mock
          void login() {
          }
      }
  
      @Test
      public void proceedIntoRealImplementationsOfMockedMethods() throws Exception {
          // Create objects to be exercised by the code under test:
          Configuration configuration = new Configuration() {
              @Override
             public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
                 Map<String, ?> options = Collections.emptyMap();
                 return new AppConfigurationEntry[] { new AppConfigurationEntry(TestLoginModule.class.getName(),
                         AppConfigurationEntry.LoginModuleControlFlag.SUFFICIENT, options) };
             }
         };
         LoginContext loginContext = new LoginContext("test", null, null, configuration);
 
         // Set up mocks:
         ProceedingMockLoginContext mockInstance = new ProceedingMockLoginContext();
 
         // Exercise the code under test:
         assertNull(loginContext.getSubject());
         loginContext.login();
         assertNotNull(loginContext.getSubject());
         assertTrue(mockInstance.loggedIn);
 
         mockInstance.ignoreLogout = true;
         loginContext.logout();
         assertTrue(mockInstance.loggedIn);
 
         mockInstance.ignoreLogout = false;
         loginContext.logout();
         assertFalse(mockInstance.loggedIn);
     }
 
     static final class ProceedingMockLoginContext extends MockUp<LoginContext> {
         boolean ignoreLogout;
         boolean loggedIn;
 
         @Mock
         void login(Invocation inv) throws LoginException {
             LoginContext it = inv.getInvokedInstance();
 
             try {
                 inv.proceed();
                 loggedIn = true;
             } finally {
                 it.getSubject();
             }
         }
 
         @Mock
         void logout(Invocation inv) throws LoginException {
             if (!ignoreLogout) {
                 inv.proceed();
                 loggedIn = false;
             }
         }
     }
 
     public static class TestLoginModule implements LoginModule {
         @Override
         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
                 Map<String, ?> options) {
         }
 
         @Override
         public boolean login() {
             return true;
         }
 
         @Override
         public boolean commit() {
             return true;
         }
 
         @Override
         public boolean abort() {
             return false;
         }
 
         @Override
         public boolean logout() {
             return true;
         }
     }
 }