package com.atlassian.plugin.predicate;
   
   import com.atlassian.plugin.ModuleDescriptor;
   import com.atlassian.plugin.PluginAccessor;
   import com.mockobjects.dynamic.C;
   import com.mockobjects.dynamic.Mock;
   import junit.framework.TestCase;
   
   /**
   * Testing {@link EnabledModulePredicate}
   */
  public class TestEnabledModulePredicate extends TestCase
  {
      private static final String MODULE_TEST_KEY = "some-module-key";
  
      private Mock mockPluginAccessor;
      private ModuleDescriptorPredicate moduleDescriptorPredicate;
      private ModuleDescriptor moduleDescriptor;
  
      protected void setUp() throws Exception
      {
          mockPluginAccessor = new Mock(PluginAccessor.class);
          moduleDescriptorPredicate = new EnabledModulePredicate((PluginAccessor) mockPluginAccessor.proxy());
  
          final Mock mockModuleDescriptor = new Mock(ModuleDescriptor.class);
          mockModuleDescriptor.matchAndReturn("getCompleteKey", MODULE_TEST_KEY);
          moduleDescriptor = (ModuleDescriptor) mockModuleDescriptor.proxy();
      }
  
      protected void tearDown() throws Exception
      {
          moduleDescriptorPredicate = null;
          mockPluginAccessor = null;
          moduleDescriptor = null;
      }
  
      public void testCannotCreateWithNullPluginAccessor()
      {
          try
          {
              new EnabledModulePredicate(null);
              fail("Constructor should have thrown illegal argument exception.");
          }
          catch (IllegalArgumentException e)
          {
              // noop
          }
      }
  
      public void testMatchesEnabledModule()
      {
          mockPluginAccessor.matchAndReturn("isPluginModuleEnabled", C.eq(MODULE_TEST_KEY), true);
          assertTrue(moduleDescriptorPredicate.matches(moduleDescriptor));
      }
  
      public void testDoesNotMatchDisabledModule()
      {
          mockPluginAccessor.matchAndReturn("isPluginModuleEnabled", C.eq(MODULE_TEST_KEY), false);
          assertFalse(moduleDescriptorPredicate.matches(moduleDescriptor));
      }
  }