/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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.
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package org.pentaho.di.core.compress.gzip;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPOutputStream;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.pentaho.di.core.compress.CompressionPluginType;
import org.pentaho.di.core.compress.CompressionProvider;
import org.pentaho.di.core.compress.CompressionProviderFactory;
import org.pentaho.di.core.plugins.PluginRegistry;
public class GZIPCompressionInputStreamTest {
public static final String PROVIDER_NAME = "GZip";
protected CompressionProviderFactory factory = null;
protected GZIPCompressionInputStream inStream = null;
protected CompressionProvider provider = null;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
PluginRegistry.addPluginType( CompressionPluginType.getInstance() );
PluginRegistry.init( true );
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
}
@Before
public void setUp() throws Exception {
factory = CompressionProviderFactory.getInstance();
provider = factory.getCompressionProviderByName( PROVIDER_NAME );
inStream = new GZIPCompressionInputStream( createGZIPInputStream(), provider ) {
};
}
@After
public void tearDown() throws Exception {
}
@Test
public void testCtor() {
assertNotNull( inStream );
}
@Test
public void getZIPCompressionProvider() {
CompressionProvider provider = inStream.getCompressionProvider();
assertEquals( provider.getName(), PROVIDER_NAME );
}
@Test
public void testNextEntry() throws IOException {
assertNull( inStream.nextEntry() );
}
@Test
public void testClose() throws IOException {
inStream = new GZIPCompressionInputStream( createGZIPInputStream(), provider ) {
};
inStream.close();
}
@Test
public void testRead() throws IOException {
inStream = new GZIPCompressionInputStream( createGZIPInputStream(), provider ) {
};
inStream.read( new byte[100], 0, inStream.available() );
}
protected InputStream createGZIPInputStream() throws IOException {
// Create an in-memory GZIP output stream for use by the input stream (to avoid exceptions)
ByteArrayOutputStream baos = new ByteArrayOutputStream();
GZIPOutputStream gos = new GZIPOutputStream( baos );
byte[] testBytes = "Test".getBytes();
gos.write( testBytes );
ByteArrayInputStream in = new ByteArrayInputStream( baos.toByteArray() );
return in;
}
}