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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.apps.io;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
public class ResourceResolverFactoryTestCase {
private static final byte[] DATA = new byte[]{(byte) 0, (byte) 1, (byte) 2};
private void writeDataTo(File f) throws IOException {
writeDataTo(new FileOutputStream(f));
}
private void writeDataTo(OutputStream os) throws IOException {
os.write(DATA);
os.close();
}
private void checkStream(InputStream inputStream) throws IOException {
byte[] actual = new byte[DATA.length];
for (int i = 0; i < DATA.length; i++) {
actual[i] = (byte) inputStream.read();
}
assertEquals(-1, inputStream.read());
assertArrayEquals(DATA, actual);
}
@Test
public void testDefaultResourceResolverGetResource() throws Exception {
ResourceResolver sut = ResourceResolverFactory.createDefaultResourceResolver();
File inputFile = File.createTempFile("prefix", "suffix");
InputStream is = null;
try {
writeDataTo(inputFile);
is = sut.getResource(inputFile.toURI());
checkStream(is);
} finally {
if (is != null) {
is.close();
}
inputFile.delete();
}
}
@Test
public void testDefaultResourceResolverGetOutput() throws Exception {
ResourceResolver sut = ResourceResolverFactory.createDefaultResourceResolver();
File outputFile = File.createTempFile("prefix", "suffix");
outputFile.deleteOnExit();
writeDataTo(sut.getOutputStream(outputFile.toURI()));
InputStream is = new FileInputStream(outputFile);
try {
checkStream(is);
} finally {
is.close();
}
}
private static class TestCreateTempAwareResourceResolverHelper implements ResourceResolver {
final TempResourceResolver tempResourceResolver = mock(TempResourceResolver.class);
final ResourceResolver defaultResourceResolver = mock(ResourceResolver.class);
final ResourceResolver sut = ResourceResolverFactory.createTempAwareResourceResolver(
tempResourceResolver, defaultResourceResolver);
public Resource getResource(URI uri) throws IOException {
return sut.getResource(uri);
}
public OutputStream getOutputStream(URI uri) throws IOException {
return sut.getOutputStream(uri);
}
}
@Test
public void testCreateTempAwareResourceResolverForTmpResource() throws Exception {
URI uri = URI.create("tmp:///id");
TestCreateTempAwareResourceResolverHelper helper = new TestCreateTempAwareResourceResolverHelper();
helper.getResource(uri);
verify(helper.tempResourceResolver, times(1)).getResource(uri.getPath());
verify(helper.defaultResourceResolver, never()).getResource(uri);
}
@Test
public void testCreateTempAwareResourceResolverForRegularResource() throws Exception {
URI uri = URI.create("file:///path/to/file");
TestCreateTempAwareResourceResolverHelper helper = new TestCreateTempAwareResourceResolverHelper();
helper.getResource(uri);
verify(helper.tempResourceResolver, never()).getResource(uri.getPath());
verify(helper.defaultResourceResolver, times(1)).getResource(uri);
}
@Test
public void testCreateTempAwareResourceResolverForTmpOuput() throws Exception {
URI uri = URI.create("tmp:///id");
TestCreateTempAwareResourceResolverHelper helper = new TestCreateTempAwareResourceResolverHelper();
helper.getOutputStream(uri);
verify(helper.tempResourceResolver, times(1)).getOutputStream(uri.getPath());
verify(helper.defaultResourceResolver, never()).getOutputStream(uri);
}
@Test
public void testCreateTempAwareResourceResolverForRegularOutput() throws Exception {
URI uri = URI.create("file:///path/to/file");
TestCreateTempAwareResourceResolverHelper helper = new TestCreateTempAwareResourceResolverHelper();
helper.getOutputStream(uri);
verify(helper.tempResourceResolver, never()).getOutputStream(uri.getPath());
verify(helper.defaultResourceResolver, times(1)).getOutputStream(uri);
}
@Test
public void testCreateSchemaAwareResourceResolverForDefaultResource() throws Exception {
URI uri = URI.create("file:///path/to/file");
TestCreateSchemaAwareResourceResolverBuilderHelper helper
= new TestCreateSchemaAwareResourceResolverBuilderHelper();
helper.getResource(uri);
verify(helper.registedResourceResolver, never()).getResource(uri);
verify(helper.defaultResourceResolver, times(1)).getResource(uri);
}
@Test
public void testCreateSchemaAwareResourceResolverForRegisteredResource() throws Exception {
URI uri = URI.create(TestCreateSchemaAwareResourceResolverBuilderHelper.SCHEMA + ":///path");
TestCreateSchemaAwareResourceResolverBuilderHelper helper
= new TestCreateSchemaAwareResourceResolverBuilderHelper();
helper.getResource(uri);
verify(helper.registedResourceResolver, times(1)).getResource(uri);
verify(helper.defaultResourceResolver, never()).getResource(uri);
}
@Test
public void testCreateSchemaAwareResourceResolverForDefaultOutput() throws Exception {
URI uri = URI.create("file:///path/to/file");
TestCreateSchemaAwareResourceResolverBuilderHelper helper
= new TestCreateSchemaAwareResourceResolverBuilderHelper();
helper.getOutputStream(uri);
verify(helper.registedResourceResolver, never()).getOutputStream(uri);
verify(helper.defaultResourceResolver, times(1)).getOutputStream(uri);
}
@Test
public void testCreateSchemaAwareResourceResolverForRegisteredOutput() throws Exception {
URI uri = URI.create(TestCreateSchemaAwareResourceResolverBuilderHelper.SCHEMA + ":///path");
TestCreateSchemaAwareResourceResolverBuilderHelper helper
= new TestCreateSchemaAwareResourceResolverBuilderHelper();
helper.getOutputStream(uri);
verify(helper.registedResourceResolver, times(1)).getOutputStream(uri);
verify(helper.defaultResourceResolver, never()).getOutputStream(uri);
}
private static class TestCreateSchemaAwareResourceResolverBuilderHelper implements ResourceResolver {
private static final String SCHEMA = "protocol";
final ResourceResolver registedResourceResolver = mock(ResourceResolver.class);
final ResourceResolver defaultResourceResolver = mock(ResourceResolver.class);
final ResourceResolver sut;
TestCreateSchemaAwareResourceResolverBuilderHelper() {
ResourceResolverFactory.SchemaAwareResourceResolverBuilder builder
= ResourceResolverFactory.createSchemaAwareResourceResolverBuilder(
defaultResourceResolver);
builder.registerResourceResolverForSchema(SCHEMA, registedResourceResolver);
sut = builder.build();
}
public Resource getResource(URI uri) throws IOException {
return sut.getResource(uri);
}
public OutputStream getOutputStream(URI uri) throws IOException {
return sut.getOutputStream(uri);
}
}
}
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