/*
    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
    * the spring framework, http://el4j.sf.net
    * Copyright (C) 2006 by ELCA Informatique SA, Av. de la Harpe 22-24,
    * 1000 Lausanne, Switzerland, http://www.elca.ch
    *
    * EL4J is published under the GNU Lesser General Public License (LGPL)
    * Version 2.1. See http://www.gnu.org/licenses/
    *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU Lesser General Public License for more details.
   *
   * For alternative licensing, please contact info@elca.ch
   */
  package ch.elca.el4j.tests.remoting;
  
  import java.lang.reflect.InvocationTargetException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.remoting.RemoteAccessException;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import ch.elca.el4j.tests.core.AbstractTest;
  import ch.elca.el4j.tests.remoting.service.Calculator;
  import ch.elca.el4j.tests.remoting.service.CalculatorException;
  import ch.elca.el4j.tests.remoting.service.CalculatorOperation;
  
  /**
   * This class is a test for the calculator.
   *
   * @svnLink $Revision: 4122 $;$Date: 2010-08-19 13:27:36 +0200 (Do, 19. Aug 2010) $;$Author: swrelca $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/tests/remoting/functional-tests/src/test/java/ch/elca/el4j/tests/remoting/AbstractCalculatorTest.java $
   *
   * @author Waraich Rashid (RWA)
   */
  
  public abstract class AbstractCalculatorTest extends AbstractTest {
  	/**
  	 * Private logger.
  	 */
  	private static Logger s_logger = LoggerFactory.getLogger(
  		AbstractCalculatorTest.class);
  
  	/**
  	 * Instance of the calculator proxy.
  	 */
  	private Calculator m_calc;
  	
  	/**
  	 * @return    the calculator object
  	 */
  	public Calculator getCalc() {
  		if (m_calc == null) {
  			m_calc = (Calculator) getApplicationContext().getBean("calculator");
  		}
  		return m_calc;
  	}
  	
  	/**
  	 * This test tests the area calculation method.
  	 */
  	@Test
  	public void testAreaCalculation() {
  		final double a = 2.3;
  		final double b = 5.7;
  		final double delta = 0.00000001;
  		double result = getCalc().getArea(a, b);
  		assertEquals("The area is not correctly calculated.", result, a * b, delta);
  	}
  	
  	
  	/**
  	 * This test tests the exception handling.
  	 * @throws Exception
  	 */
  	@Test
  	public void testExceptionBehaviour() throws Throwable {
  		try {
  			getCalc().throwMeAnException();
  			fail("No exception was thrown.");
  		} catch (CalculatorException e) {
  			s_logger.debug("Expected exception caught.", e);
  		}
  	}
  	
  	/**
  	 * Tests if the protocol is able to handle enumerations.
  	 */
  	@Test
  	public void testAbilityToHandleEnumerations() {
  		// Checkstyle: MagicNumber off
  		double result = getCalc().calculate(1.2, 2.5, CalculatorOperation.ADDITION);
  		assertEquals(3.7, result, 0.1);
  		result = getCalc().calculate(1.2, 2.5, CalculatorOperation.SUBTRACTION);
 		assertEquals(-1.3, result, 0.1);
 		//Checkstyle: MagicNumber on
 	}
 
 }