FileNameExtractorImplTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.sling.commons.contentdetection.internal;

import org.apache.sling.commons.contentdetection.FileNameExtractor;
import org.junit.Assert;
import org.junit.Test;

public class FileNameExtractorImplTest {

    private String defaultEncoding = new FileNameExtractorImpl().getDefaultEncoding();
    
    FileNameExtractor fileNameExtractor = new FileNameExtractorImpl() {
        protected String getDefaultEncoding() {
            return defaultEncoding;
        }
    };

    @Test
    public void testExtract() throws Exception {
        String rawPath = "http://midches.com/images/uploads/default/demo.jpg#anchor?query=test";
        String expectedFileName = "demo.jpg";
        Assert.assertEquals(expectedFileName, fileNameExtractor.extract(rawPath));
    }

    @Test
    public void testBackslashPath() throws Exception {
        String rawPath = "C:\\Test windows%path\\demo.jpg";
        String expectedFileName = "demo.jpg";
        Assert.assertEquals(expectedFileName, fileNameExtractor.extract(rawPath));
    }

    @Test
    public void testDecodedURL(){
        String rawPath = "http://example.com/demo%20test.jpg?test=true";
        String expectedFileName = "demo test.jpg";
        Assert.assertEquals(expectedFileName, fileNameExtractor.extract(rawPath));
    }
    
    @Test
    public void testInvalidEncoding() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
        final String rawPath = "http://example.com/demo%20test.jpg?test=true";
        final String oldEncoding = defaultEncoding;
        final String badEncoding = "INVALID_ENCODING";
        try {
            defaultEncoding = badEncoding;
            try {
                fileNameExtractor.extract(rawPath);
                Assert.fail("Expected an exception with encoding " + defaultEncoding);
            } catch(RuntimeException re) {
                final String msg = re.getMessage();
                Assert.assertTrue("Expected exception message to contain " + badEncoding + " (" + msg + ")", msg.contains(badEncoding));
            }
        } finally {
            defaultEncoding = oldEncoding;
        }
    }
}