content: /*
   * Copyright (c) 2008. All rights reserved.
   */
  package ro.isdc.wro.model.factory;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.io.ByteArrayInputStream;
  import java.io.InputStream;
  import java.util.List;
  import java.util.concurrent.Callable;
  
  import org.junit.After;
  import org.junit.AfterClass;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.xml.sax.SAXParseException;
  
  import ro.isdc.wro.WroRuntimeException;
  import ro.isdc.wro.config.Context;
  import ro.isdc.wro.config.support.ContextPropagatingCallable;
  import ro.isdc.wro.model.WroModel;
  import ro.isdc.wro.model.WroModelInspector;
  import ro.isdc.wro.model.group.Group;
  import ro.isdc.wro.model.group.RecursiveGroupDefinitionException;
  import ro.isdc.wro.model.resource.Resource;
  import ro.isdc.wro.util.WroTestUtils;
  
  
  /**
   * TestXmlModelFactory.
   * 
   * @author Alex Objelean
   * @created Created on Nov 3, 2008
   */
  public class TestXmlModelFactory {
    private static final Logger LOG = LoggerFactory.getLogger(TestXmlModelFactory.class);
    private WroModelFactory factory;
    
    @BeforeClass
    public static void onBeforeClass() {
      assertEquals(0, Context.countActive());
    }
    
    @AfterClass
    public static void onAfterClass() {
      assertEquals(0, Context.countActive());
    }
    
    @Before
    public void setUp() {
      final Context context = Context.standaloneContext();
      Context.set(context);
      context.getConfig().setCacheUpdatePeriod(0);
      context.getConfig().setModelUpdatePeriod(0);
    }
    
    @After
    public void tearDown() {
      Context.unset();
    }
    
    @Test(expected = RecursiveGroupDefinitionException.class)
    public void recursiveGroupThrowsException() {
      factory = new XmlModelFactory() {
        @Override
        protected InputStream getModelResourceAsStream() {
          return Thread.currentThread().getContextClassLoader().getResourceAsStream("recursive.xml");
        }
      };
      factory.create();
    }
    
    @Test
    public void testWithUpdatePeriodSet() {
      Context.get().getConfig().setCacheUpdatePeriod(1);
      Context.get().getConfig().setModelUpdatePeriod(1);
      testSuccessfulCreation();
    }
    
    // TODO use two concurrent calls
    @Test
    public void testTwoConcurrentCreationCalls() {
      testSuccessfulCreation();
      factory.create();
    }
    
    @Test
    public void testSuccessfulCreation() {
      factory = new XmlModelFactory() {
        @Override
        protected InputStream getModelResourceAsStream() {
          return Thread.currentThread().getContextClassLoader().getResourceAsStream("wro1.xml");
        }
      };
      // the uriLocator factory doesn't have any locators set...
      final WroModel model = factory.create();
      LOG.debug("model: " + model);
    }
    
    @Test
    public void testMinimizeAttributePresence() {
      final WroModel model = loadModelFromLocation("wro-minimizeAttribute.xml");
      final Group group = model.getGroupByName(new WroModelInspector(model).getGroupNames().get(0));
      final List<Resource> resourceList = group.getResources();
      LOG.debug("resources: " + resourceList);
      assertEquals(false, resourceList.get(0).isMinimize());
      assertEquals(true, resourceList.get(1).isMinimize());
      assertEquals(true, resourceList.get(2).isMinimize());
      LOG.debug("model: " + model);
    }
    
    @Test
    public void testValidImports() {
      final WroModel model = loadModelFromLocation("testimport/validImports.xml");
      assertEquals(2, new WroModelInspector(model).getGroupNames().size());
      LOG.debug("model: " + model);
    }
    
    @Test(expected = RecursiveGroupDefinitionException.class)
    public void testRecursiveImports() {
      loadModelFromLocation("testimport/recursive.xml");
    }
    
    @Test(expected = RecursiveGroupDefinitionException.class)
    public void testDeepRecursiveImports() {
      loadModelFromLocation("testimport/deepRecursive.xml");
    }
    
    @Test(expected = RecursiveGroupDefinitionException.class)
    public void testCircularImports() {
      loadModelFromLocation("testimport/circular1.xml");
    }
    
    @Test(expected = WroRuntimeException.class)
    public void testInvalidImports() {
      loadModelFromLocation("testimport/invalidImports.xml");
    }
    
    @Test
    public void shouldCreateEmptyModelWhenValidationDisabledAndXmlIsNotValid() {
      factory = new XmlModelFactory() {
        @Override
        protected InputStream getModelResourceAsStream() {
          // get a class relative test resource
          return new ByteArrayInputStream("<xml></xml>".getBytes());
        }
      }.setValidateXml(false);
      WroTestUtils.init(factory);
      // will create an empty model
      assertEquals(new WroModel(), factory.create());
    }
    
    @Test(expected = SAXParseException.class)
    public void testWildcardImports()
        throws Throwable {
      try {
        loadModelFromLocation("testimport/wildcard.xml");
      } catch (final WroRuntimeException e) {
        throw e.getCause();
      }
    }
    
    @Test
    public void shouldBeThreadSafe()
        throws Exception {
      factory = new XmlModelFactory() {
        @Override
        protected InputStream getModelResourceAsStream() {
          // get a class relative test resource
          return TestXmlModelFactory.class.getResourceAsStream("testimport/validImports.xml");
        }
      };
      WroTestUtils.init(factory);
      final WroModel expected = factory.create();
      
      WroTestUtils.runConcurrently(new ContextPropagatingCallable<Void>(new Callable<Void>() {
        public Void call()
            throws Exception {
          assertEquals(expected, factory.create());
          return null;
        }
      }), 10);
    }
    
    @Test
    public void shouldCreateEmptyModelWhenAllGroupsAreAbstract() {
      final WroModel model = loadModelFromLocation("shouldCreateEmptyModelWhenAllGroupsAreAbstract.xml");
      assertTrue(model.getGroups().isEmpty());
    }
    
    @Test
    public void shouldCreateNonEmptyModelWhenSomeGroupsAreAbstract() {
      final WroModel model = loadModelFromLocation("shouldCreateNonEmptyModelWhenSomeGroupsAreAbstract.xml");
      assertEquals(2, model.getGroups().size());
    }
    
    @Test
    public void shouldContainOnlyNonAbstractGroups() {
      final WroModel model = loadModelFromLocation("shouldContainOnlyNonAbstractGroups.xml");
      assertEquals(1, model.getGroups().size());
      final Group group = model.getGroups().iterator().next();
      assertEquals("nonAbstract", group.getName());
      assertEquals(5, group.getResources().size());
    }
    
    @Test(expected = WroRuntimeException.class)
    public void shouldDetectInvalidGroupReference() {
      final WroModel model = loadModelFromLocation("shouldDetectInvalidGroupReference.xml");
      assertTrue(model.getGroups().isEmpty());
    }
    
    @Test
    public void shouldDetectGroupReferenceFromImportedModel() {
      final WroModel model = loadModelFromLocation("shouldDetectGroupReferenceFromImportedModel.xml");
      assertEquals(2, model.getGroups().size());
    }
    
    @Test
    public void shouldLoadEmptyModel() {
      final WroModel model = loadModelFromLocation("emptyModel.xml");
      assertEquals(0, model.getGroups().size());
    }
    
    @Test(expected = WroRuntimeException.class)
    public void cannotCreateFromXmlWithInvalidNamespace() {
      loadModelFromLocation("invalidNamespace.xml");
    }
    
    private WroModel loadModelFromLocation(final String location) {
      final WroModelFactory factory = new XmlModelFactory() {
        @Override
        protected InputStream getModelResourceAsStream() {
          // get a class relative test resource
          return TestXmlModelFactory.class.getResourceAsStream(location);
        }
      };
      WroTestUtils.init(factory);
      return factory.create();
    }
    
    @Test
    public void shouldAllowEmptyGroup() {
      final WroModel model = loadModelFromLocation("emptyGroup.xml");
      assertEquals(1, new WroModelInspector(model).getGroupNames().size());
      assertTrue(model.getGroups().iterator().next().getResources().isEmpty());
      LOG.debug("model: " + model);
    }
  }
  