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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.afp;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import org.apache.commons.io.IOUtils;
import org.apache.fop.afp.util.AFPResourceUtil;
/**
* Tests the {@link AFPResourceUtil} class.
*/
public class AFPResourceUtilTestCase {
private static final String RESOURCE_FILENAME = "expected_resource.afp";
private static final String NAMED_RESOURCE_FILENAME = "expected_named_resource.afp";
private static final String RESOURCE_ANY_NAME = "resource_any_name.afp";
private static final String RESOURCE_NAME_MATCH = "resource_name_match.afp";
private static final String RESOURCE_NAME_MISMATCH = "resource_name_mismatch.afp";
private static final String RESOURCE_NO_END_NAME = "resource_no_end_name.afp";
private static final String PSEG_A = "XFEATHER";
private static final String PSEG_B = "S1CODEQR";
/**
* Tests copyResourceFile()
* @throws Exception -
*/
@Test
public void testCopyResourceFile() throws Exception {
compareResources(new ResourceCopier() {
public void copy(InputStream in, OutputStream out) throws IOException {
AFPResourceUtil.copyResourceFile(in, out);
}
}, RESOURCE_FILENAME, RESOURCE_FILENAME);
}
/**
* Tests copyNamedResource()
* @throws Exception -
*/
@Test
public void testCopyNamedResource() throws Exception {
compareResources(new ResourceCopier() {
public void copy(InputStream in, OutputStream out) throws IOException {
AFPResourceUtil.copyNamedResource(PSEG_A, in, out);
}
}, RESOURCE_FILENAME, NAMED_RESOURCE_FILENAME);
}
private void compareResources(ResourceCopier copyResource, String resourceA, String resourceB)
throws IOException {
ByteArrayOutputStream baos = copyResource(resourceA, copyResource);
byte[] expectedBytes = resourceAsByteArray(resourceB);
assertTrue(Arrays.equals(expectedBytes, baos.toByteArray()));
}
private ByteArrayOutputStream copyResource(String resource, ResourceCopier resourceCopier)
throws IOException {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
InputStream in = null;
try {
in = getClass().getResourceAsStream(resource);
resourceCopier.copy(in, baos);
} finally {
in.close();
}
return baos;
}
private byte[] resourceAsByteArray(String resource) throws IOException {
InputStream in = null;
byte[] expectedBytes = null;
try {
in = getClass().getResourceAsStream(resource);
expectedBytes = IOUtils.toByteArray(in);
} finally {
in.close();
}
return expectedBytes;
}
/**
* Tests the validity of a closing structured field having an FF FF name which
* allows it to match any existing matching starting field
* @throws Exception -
*/
@Test
public void testResourceAnyName() throws Exception {
testResource(RESOURCE_ANY_NAME, PSEG_B);
}
/**
* Tests a matching end structured field name
* @throws Exception -
*/
@Test
public void testResourceNameMatch() throws Exception {
testResource(RESOURCE_NAME_MATCH, PSEG_B);
}
/**
* Tests to see whether a matching structured field pair with mismatching
* names fails.
* @throws Exception -
*/
@Test(expected = Exception.class)
public void testResourceNameMismatch() throws Exception {
testResource(RESOURCE_NAME_MISMATCH, PSEG_B);
}
/**
* Tests a matching structured end field with no name
* @throws Exception -
*/
@Test
public void testResourceNoEndName() throws Exception {
testResource(RESOURCE_NO_END_NAME, PSEG_B);
}
private void testResource(String resource, final String pseg) throws Exception {
copyResource(resource, new ResourceCopier() {
public void copy(InputStream in, OutputStream out) throws IOException {
AFPResourceUtil.copyNamedResource(pseg, in, out);
}
});
}
private interface ResourceCopier {
void copy(InputStream in, OutputStream out) throws IOException;
}
}
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