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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License. You
 * may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.management.internal.cli;

import java.io.IOException;
import java.util.Set;
import java.util.concurrent.Callable;

import junit.framework.TestCase;

import com.gemstone.gemfire.management.internal.cli.domain.AbstractImpl;
import com.gemstone.gemfire.management.internal.cli.domain.Impl1;
import com.gemstone.gemfire.management.internal.cli.domain.Impl12;
import com.gemstone.gemfire.management.internal.cli.domain.Interface1;
import com.gemstone.gemfire.management.internal.cli.domain.Interface2;
import com.gemstone.gemfire.management.internal.cli.util.ClasspathScanLoadHelper;

/**
 * @author tushark
 */
public class ClasspathScanLoadHelperJUnitTest  extends TestCase{
  
  private static final String PACKAGE_NAME = "com.gemstone.gemfire.management.internal.cli.domain";
  private static final String WRONG_PACKAGE_NAME = "com.gemstone.gemfire.management.internal.cli.domain1";
  private static final Class INTERFACE1 = Interface1.class;
  private static final Class NO_IMPL_INTERFACE = Callable.class;
  private static final Class INTERFACE2 = Interface2.class;
  private static final Class IMPL1 = Impl1.class;
  private static final Class IMPL2 = Impl12.class;
  private static final Class ABSTRACT_IMPL = AbstractImpl.class;
  

  public void testloadAndGet(){

    try {
      Set> classLoaded = ClasspathScanLoadHelper.loadAndGet(PACKAGE_NAME, INTERFACE1, true);
      assertEquals(2, classLoaded.size());
      assertTrue(classLoaded.contains(IMPL1));
      assertTrue(classLoaded.contains(IMPL2));
      //impl1 and impl12
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(PACKAGE_NAME, INTERFACE1, false);
      assertEquals(4, classLoaded.size());
      assertTrue(classLoaded.contains(IMPL1));
      assertTrue(classLoaded.contains(IMPL2));
      assertTrue(classLoaded.contains(ABSTRACT_IMPL));
      assertTrue(classLoaded.contains(INTERFACE1));
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(PACKAGE_NAME, INTERFACE2, false);
      assertEquals(2, classLoaded.size());      
      assertTrue(classLoaded.contains(IMPL2));      
      assertTrue(classLoaded.contains(INTERFACE2));
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(PACKAGE_NAME, INTERFACE2, true);      
      assertEquals(1, classLoaded.size());      
      assertTrue(classLoaded.contains(IMPL2));
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(WRONG_PACKAGE_NAME, INTERFACE2, true);
      assertEquals(0, classLoaded.size());      
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(PACKAGE_NAME, NO_IMPL_INTERFACE, true);
      assertEquals(0, classLoaded.size());
      
      classLoaded = ClasspathScanLoadHelper.loadAndGet(WRONG_PACKAGE_NAME, NO_IMPL_INTERFACE, true);
      assertEquals(0, classLoaded.size());
      
      
    } catch (ClassNotFoundException e) {
      fail("Error loading class" + e);
    } catch (IOException e) {
      fail("Error loading class" + e);
    }   
  }
}