/*******************************************************************************
 *******************************************************************************/
package at.gv.egiz.eaaf.core.impl.idp.process.spring.test;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import at.gv.egiz.eaaf.core.api.idp.process.ExpressionEvaluator;

/**
 * Tests the {@link ExpressionEvaluator} using a Spring EL based implementation capable of dereferencing Spring beans.
 * 
 * @author tknall
 * 
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/process/spring/test/SpringExpressionEvaluatorTest-context.xml")
public class SpringExpressionEvaluatorTest {

	private ExpressionContextAdapter ctx;

	@Autowired 
	private ExpressionEvaluator expressionEvaluator;

	@Before
	public void prepareTest() {
		ctx = new ExpressionContextAdapter();
	}

	@Test
	public void testEvaluateSimpleExpression() {
		assertTrue(expressionEvaluator.evaluate(ctx, "'true'"));
	}

	@Test
	public void testEvaluateExpressionWithCtx() {
		ctx.put("myProperty", false);
		assertFalse(expressionEvaluator.evaluate(ctx, "ctx['myProperty']"));
	}

//	@Test
	public void testEvaluateExpressionWithBeanReference() {
		assertTrue(expressionEvaluator.evaluate(ctx, "@simplePojo.booleanValue"));
		assertTrue(expressionEvaluator.evaluate(ctx, "'HelloWorld'.equals(@simplePojo.stringValue)"));
		assertTrue(expressionEvaluator.evaluate(ctx, "@simplePojo.integerValue == 42"));
		assertTrue(expressionEvaluator.evaluate(ctx, "@simplePojo.stringValue.length() == 10"));
	}

}