/*
    * Copyright 2009 the original author or authors.
    *
    * 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.
   */
  package org.openehealth.ipf.commons.xml;
  
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.openehealth.ipf.commons.core.modules.api.ValidationException;
  
  import javax.xml.transform.Source;
  import javax.xml.transform.stream.StreamSource;
  import java.lang.reflect.Field;
  import java.util.Map;
  
  public class XsdValidatorTest {
  
  	private XsdValidator validator;
  	private Map<String, ?> cache;
  	private static final String SCHEMA_RESOURCE = "/xsd/test.xsd";
  
  	@Before
  	public void setUp() throws Exception {
  		validator = new XsdValidator();
  
  		Field field = XsdValidator.class.getDeclaredField("XSD_CACHE");
  		field.setAccessible(true);
  		cache = (Map<String, ?>) field.get(null);
  	}
  
  	@Test
  	public void testValidate() throws Exception {
  		cache.clear();
  		Source testXml = new StreamSource(getClass().getResourceAsStream("/xsd/test.xml"));
  		validator.validate(testXml, SCHEMA_RESOURCE);
  		Assert.assertTrue(cache.containsKey(SCHEMA_RESOURCE));
  	}
  
  	@Test(expected = ValidationException.class)
  	public void testValidateFails() throws Exception {
  		boolean schemaExisted = cache.containsKey(SCHEMA_RESOURCE);
  		int cacheSize = cache.size();
  		Source testXml = new StreamSource(getClass().getResourceAsStream(
  				"/xsd/invalidtest.xml"));
  		validator.validate(testXml, SCHEMA_RESOURCE);
  		if (schemaExisted) {
  			Assert.assertEquals(cacheSize, cache.size());
  		} else {
  			Assert.assertEquals(cacheSize + 1, cache.size());
  		}
  	}
  
  }