/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe;
  
  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 jakarta.servlet.ServletContext;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.List;
  
  import org.apache.catalina.Context;
  import org.apache.catalina.Valve;
  import org.apache.catalina.WebResource;
  import org.apache.catalina.WebResourceRoot;
  import org.apache.catalina.deploy.NamingResourcesImpl;
  import org.apache.jasper.EmbeddedServletOptions;
  import org.apache.jasper.JspCompilationContext;
  import org.apache.naming.ContextAccessController;
  import org.apache.tomcat.util.descriptor.web.ApplicationParameter;
  import org.apache.tomcat.util.descriptor.web.ContextResource;
  import org.apache.tomcat.util.descriptor.web.ContextResourceLink;
  import org.apache.tomcat.util.descriptor.web.FilterDef;
  import org.apache.tomcat.util.descriptor.web.FilterMap;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.ValueSource;
  import org.mockito.Mock;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import psiprobe.model.ApplicationResource;
  
  /**
   * The Class Tomcat11ContainerAdapterTest.
   */
  @ExtendWith(MockitoExtension.class)
  class Tomcat11ContainerAdapterTest {
  
    /** The context. */
    @Mock
    Context context;
  
    /** The embedded servlet options. */
    @Mock
    EmbeddedServletOptions options;
  
    /**
     * Creates the valve.
     */
    @Test
    void createValve() {
      final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
      Valve valve = adapter.createValve();
      assertEquals("Tomcat11AgentValve[Container is null]", valve.toString());
    }
  
    /**
     * Can bound to null.
     */
    @Test
    void canBoundToNull() {
      final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
      assertFalse(adapter.canBoundTo(null));
    }
  
    /**
     * Can bound to tomcat 11, tomee 11.0, nsjsp 11.0, vmware tc 11.0.
     *
     * @param container the container
     */
    @ParameterizedTest
    @ValueSource(strings = {"Apache Tomcat/11.0",
        // "Apache Tomcat (TomEE)/11.0",
        // "NonStop(tm) Servlets For JavaServer Pages(tm) v11.0",
        "Vmware tc..../11.0"})
    void canBoundTo(String container) {
      final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
      assertTrue(adapter.canBoundTo(container));
    }
  
   /**
    * Can not bound to other containers.
    *
    * @param container the container
    */
   @ParameterizedTest
   @ValueSource(strings = {"Vmware tc", "Other"})
   void cannotBoundToOthers(String container) {
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertFalse(adapter.canBoundTo(container));
   }
 
   /**
    * Filter mappings.
    */
   @Test
   void filterMappings() {
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     FilterMap map = new FilterMap();
     map.addServletName("psi-probe");
     map.addURLPattern("/psi-probe");
     assertEquals(2, adapter.getFilterMappings(map, "dispatcherMap", "filterClass").size());
   }
 
   /**
    * Creates the jsp compilation context.
    */
   @Test
   void createJspCompilationContext() {
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     Mockito.when(this.options.getGeneratedJspPackageName()).thenReturn("org.apache.jsp");
     JspCompilationContext jspContext = adapter.createJspCompilationContext("name", this.options,
         null, null, ClassLoader.getSystemClassLoader());
     assertEquals("org.apache.jsp.name", jspContext.getFQCN());
   }
 
   /**
    * Adds the context resource link.
    */
   @Test
   void addContextResourceLink() {
     NamingResourcesImpl namingResources = Mockito.mock(NamingResourcesImpl.class);
     Mockito.when(context.getNamingResources()).thenReturn(namingResources);
     Mockito.when(namingResources.findResourceLinks())
         .thenReturn(new ContextResourceLink[] {new ContextResourceLink()});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     final List<ApplicationResource> list = new ArrayList<ApplicationResource>();
     adapter.addContextResourceLink(context, list);
     assertFalse(list.isEmpty());
   }
 
   /**
    * Adds the context resource.
    */
   @Test
   void addContextResource() {
     NamingResourcesImpl namingResources = Mockito.mock(NamingResourcesImpl.class);
     Mockito.when(context.getNamingResources()).thenReturn(namingResources);
     Mockito.when(namingResources.findResources())
         .thenReturn(new ContextResource[] {new ContextResource()});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     final List<ApplicationResource> list = new ArrayList<ApplicationResource>();
     adapter.addContextResource(context, list);
     assertFalse(list.isEmpty());
   }
 
   /**
    * Gets the application filter maps.
    */
   @Test
   void applicationFilterMaps() {
     Mockito.when(context.findFilterMaps()).thenReturn(new FilterMap[] {new FilterMap()});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(0, adapter.getApplicationFilterMaps(context).size());
   }
 
   /**
    * Gets the application filter maps async.
    *
    * @param dispatcher the dispatcher
    */
   @ParameterizedTest
   @ValueSource(strings = {"ASYNC", "ERROR", "FORWARD", "INCLUDE", "NONE"})
   void applicationFilterMapsTypes(String dispatcher) {
     FilterMap filterMap = new FilterMap();
     filterMap.setDispatcher(dispatcher);
     Mockito.when(context.findFilterMaps()).thenReturn(new FilterMap[] {filterMap});
 
     Mockito.when(context.findFilterDef(Mockito.any())).thenReturn(new FilterDef());
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(0, adapter.getApplicationFilterMaps(context).size());
   }
 
   /**
    * Gets the application filter maps throws on unknown dispatcher mapping.
    */
   @Test
   void applicationFilterMapsThrowsOnUnknownDispatcherMapping() {
     Context mockContext = Mockito.mock(Context.class);
     FilterMap filterMap = Mockito.mock(FilterMap.class);
 
     // Return an invalid dispatcher mapping value
     Mockito.when(filterMap.getDispatcherMapping()).thenReturn(-1);
     Mockito.when(mockContext.findFilterMaps()).thenReturn(new FilterMap[] {filterMap});
 
     Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
 
     assertThrows(NullPointerException.class, () -> adapter.getApplicationFilterMaps(mockContext));
   }
 
   /**
    * Application filters.
    */
   @Test
   void applicationFilters() {
     Mockito.when(context.findFilterDefs()).thenReturn(new FilterDef[] {new FilterDef()});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(1, adapter.getApplicationFilters(context).size());
   }
 
   /**
    * Application init params.
    */
   @Test
   void applicationInitParams() {
     Mockito.when(context.findApplicationParameters())
         .thenReturn(new ApplicationParameter[] {new ApplicationParameter()});
 
     ServletContext servletContext = Mockito.mock(ServletContext.class);
     Mockito.when(context.getServletContext()).thenReturn(servletContext);
 
     List<String> initParams = new ArrayList<>();
     initParams.add("name");
     Enumeration<String> initParameterNames = Collections.enumeration(initParams);
     Mockito.when(servletContext.getInitParameterNames()).thenReturn(initParameterNames);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(1, adapter.getApplicationInitParams(context).size());
   }
 
   /**
    * Application init params none.
    */
   @Test
   void applicationInitParamsNone() {
     Mockito.when(context.findApplicationParameters())
         .thenReturn(new ApplicationParameter[] {(ApplicationParameter) null});
 
     ServletContext servletContext = Mockito.mock(ServletContext.class);
     Mockito.when(context.getServletContext()).thenReturn(servletContext);
 
     List<String> initParams = new ArrayList<>();
     initParams.add("name");
     Enumeration<String> initParameterNames = Collections.enumeration(initParams);
     Mockito.when(servletContext.getInitParameterNames()).thenReturn(initParameterNames);
 
     Mockito.when(context.findParameter(Mockito.any())).thenReturn(null);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(1, adapter.getApplicationInitParams(context).size());
   }
 
   /**
    * Application init params not override attempt.
    */
   @Test
   void applicationInitParamsNotOverrideAttempt() {
     ApplicationParameter appParam = new ApplicationParameter();
     appParam.setName("noOverride");
     appParam.setOverride(false);
     Mockito.when(context.findApplicationParameters())
         .thenReturn(new ApplicationParameter[] {appParam});
 
     ServletContext servletContext = Mockito.mock(ServletContext.class);
     Mockito.when(context.getServletContext()).thenReturn(servletContext);
 
     List<String> initParams = new ArrayList<>();
     initParams.add("name");
     Enumeration<String> initParameterNames = Collections.enumeration(initParams);
     Mockito.when(servletContext.getInitParameterNames()).thenReturn(initParameterNames);
 
     Mockito.when(context.findParameter(Mockito.any())).thenReturn("name");
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(1, adapter.getApplicationInitParams(context).size());
   }
 
   /**
    * Application init params not override attempt.
    */
   @Test
   void applicationInitParamsOverrideAttempt() {
     ApplicationParameter appParam = new ApplicationParameter();
     appParam.setName("override");
     appParam.setOverride(false);
     Mockito.when(context.findApplicationParameters())
         .thenReturn(new ApplicationParameter[] {appParam});
 
     ServletContext servletContext = Mockito.mock(ServletContext.class);
     Mockito.when(context.getServletContext()).thenReturn(servletContext);
 
     List<String> initParams = new ArrayList<>();
     initParams.add("override");
     Enumeration<String> initParameterNames = Collections.enumeration(initParams);
     Mockito.when(servletContext.getInitParameterNames()).thenReturn(initParameterNames);
 
     Mockito.when(context.findParameter(Mockito.any())).thenReturn("override");
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertEquals(1, adapter.getApplicationInitParams(context).size());
   }
 
   /**
    * Resource exists.
    */
   @Test
   void resourceExists() {
     WebResourceRoot webResourceRoot = Mockito.mock(WebResourceRoot.class);
     Mockito.when(context.getResources()).thenReturn(webResourceRoot);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertFalse(adapter.resourceExists("name", context));
   }
 
   /**
    * Resource exists when true.
    */
   @Test
   void resourceExistsWhenTrue() {
     WebResourceRoot webResourceRoot = Mockito.mock(WebResourceRoot.class);
     Mockito.when(context.getResources()).thenReturn(webResourceRoot);
 
     WebResource webResource = Mockito.mock(WebResource.class);
     Mockito.when(webResourceRoot.getResource("name")).thenReturn(webResource);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertTrue(adapter.resourceExists("name", context));
   }
 
   /**
    * Resource stream.
    *
    * @throws IOException Signals that an I/O exception has occurred.
    */
   @Test
   void resourceStream() throws IOException {
     WebResourceRoot webResourceRoot = Mockito.mock(WebResourceRoot.class);
     Mockito.when(context.getResources()).thenReturn(webResourceRoot);
 
     WebResource webResource = Mockito.mock(WebResource.class);
     Mockito.when(webResourceRoot.getResource("name")).thenReturn(webResource);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertNull(adapter.getResourceStream("name", context));
   }
 
   /**
    * Resource attributes.
    */
   @Test
   void resourceAttributes() {
     WebResourceRoot webResourceRoot = Mockito.mock(WebResourceRoot.class);
     Mockito.when(context.getResources()).thenReturn(webResourceRoot);
 
     WebResource webResource = Mockito.mock(WebResource.class);
     Mockito.when(webResourceRoot.getResource("name")).thenReturn(webResource);
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertNotNull(adapter.getResourceAttributes("name", context));
   }
 
   /**
    * Gets the naming token.
    */
   @Test
   void namingToken() {
     Mockito.when(context.getNamingToken()).thenReturn(new Object());
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertNotNull(adapter.getNamingToken(context));
   }
 
   /**
    * Gets the naming token with security token check false.
    */
   @Test
   void namingTokenWithSecurityTokenCheckFalse() {
     Mockito.when(context.getNamingToken()).thenReturn(new Object());
 
     try (MockedStatic<ContextAccessController> mocked =
         Mockito.mockStatic(ContextAccessController.class)) {
       mocked.when(() -> ContextAccessController.checkSecurityToken(Mockito.any(), Mockito.any()))
           .thenReturn(false);
 
       final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
       assertNotNull(adapter.getNamingToken(context));
     }
   }
 
   /**
    * Application filters when none.
    */
   @Test
   void applicationFiltersWhenNone() {
     Mockito.when(context.findFilterDefs()).thenReturn(new FilterDef[] {(FilterDef) null});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertTrue(adapter.getApplicationFilters(context).isEmpty());
   }
 
   /**
    * Application filter maps when none.
    */
   @Test
   void applicationFilterMapsWhenNone() {
     Mockito.when(context.findFilterMaps()).thenReturn(new FilterMap[] {(FilterMap) null});
 
     final Tomcat11ContainerAdapter adapter = new Tomcat11ContainerAdapter();
     assertTrue(adapter.getApplicationFilterMaps(context).isEmpty());
   }
 
 }