/*
 * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a
 * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
 * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
 * compliance with the Licence. You may obtain a copy of the Licence at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence
 * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the Licence for the specific language governing permissions and limitations under
 * the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text file for details on the
 * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
 * works that you distribute must include a readable copy of the "NOTICE" text file.
*/

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"));
    
    assertTrue(expressionEvaluator.evaluate(ctx, 
        "@simplePojo.stringValue.length() == 10 and @simplePojo.booleanValue"));
    assertFalse(expressionEvaluator.evaluate(ctx, 
        "@simplePojo.stringValue.length() == 10 and !@simplePojo.booleanValue"));
    assertTrue(expressionEvaluator.evaluate(ctx, 
        "@simplePojo.stringValue.length() == 10 or !@simplePojo.booleanValue"));
  }

}