/*
 * Copyright 2006 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.springframework.xml.validation;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;

import junit.framework.TestCase;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

public class XmlValidatorFactoryTest extends TestCase {

    public void testCreateValidator() throws Exception {
        Resource resource = new ClassPathResource("schema.xsd", AbstractValidatorFactoryTestCase.class);
        XmlValidator validator = XmlValidatorFactory.createValidator(resource, XmlValidatorFactory.SCHEMA_W3C_XML);
        assertNotNull("No validator returned", validator);
    }

    public void testNonExistentResource() throws Exception {
        Resource resource = new NonExistentResource();
        try {
            XmlValidatorFactory.createValidator(resource, XmlValidatorFactory.SCHEMA_W3C_XML);
            fail("IllegalArgumentException expected");
        }
        catch (IllegalArgumentException ex) {
            // expected
        }
    }

    public void testInvalidSchemaLanguage() throws Exception {
        Resource resource = new ClassPathResource("schema.xsd", AbstractValidatorFactoryTestCase.class);
        try {
            XmlValidatorFactory.createValidator(resource, "bla");
            fail("IllegalArgumentException expected");
        }
        catch (IllegalArgumentException ex) {
            // expected
        }
    }

    private static class NonExistentResource implements Resource {

        public Resource createRelative(String relativePath) throws IOException {
            throw new IOException();
        }

        public boolean exists() {
            return false;
        }

        public String getDescription() {
            return null;
        }

        public File getFile() throws IOException {
            throw new IOException();
        }

        public String getFilename() {
            return null;
        }

        public URL getURL() throws IOException {
            throw new IOException();
        }

        public URI getURI() throws IOException {
            throw new IOException();
        }

        public boolean isOpen() {
            return false;
        }

        public InputStream getInputStream() throws IOException {
            throw new IOException();
        }
    }
}