/**
* 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.solr.core;
import junit.framework.Assert;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.analysis.KeywordTokenizerFactory;
import org.apache.solr.analysis.NGramFilterFactory;
import org.apache.solr.common.SolrException;
import org.apache.solr.handler.admin.LukeRequestHandler;
import org.apache.solr.handler.component.FacetComponent;
import org.apache.solr.response.JSONResponseWriter;
import org.apache.solr.util.plugin.ResourceLoaderAware;
import org.apache.solr.util.plugin.SolrCoreAware;
import java.io.File;
import java.io.InputStream;
import java.nio.charset.CharacterCodingException;
import java.util.Arrays;
import java.util.List;
public class ResourceLoaderTest extends LuceneTestCase
{
public void testInstanceDir() throws Exception {
SolrResourceLoader loader = new SolrResourceLoader(null);
String instDir = loader.getInstanceDir();
assertTrue(instDir + " is not equal to " + "solr/", instDir.equals("solr/") == true);
loader = new SolrResourceLoader("solr");
instDir = loader.getInstanceDir();
assertTrue(instDir + " is not equal to " + "solr/", instDir.equals("solr" + File.separator) == true);
}
public void testAwareCompatibility()
{
SolrResourceLoader loader = new SolrResourceLoader( "." );
Class clazz = ResourceLoaderAware.class;
// Check ResourceLoaderAware valid objects
loader.assertAwareCompatibility( clazz, new NGramFilterFactory() );
loader.assertAwareCompatibility( clazz, new KeywordTokenizerFactory() );
// Make sure it throws an error for invalid objects
Object[] invalid = new Object[] {
// new NGramTokenFilter( null ),
"hello", new Float( 12.3f ),
new LukeRequestHandler(),
new JSONResponseWriter()
};
for( Object obj : invalid ) {
try {
loader.assertAwareCompatibility( clazz, obj );
Assert.fail( "Should be invalid class: "+obj + " FOR " + clazz );
}
catch( SolrException ex ) { } // OK
}
clazz = SolrCoreAware.class;
// Check ResourceLoaderAware valid objects
loader.assertAwareCompatibility( clazz, new LukeRequestHandler() );
loader.assertAwareCompatibility( clazz, new FacetComponent() );
loader.assertAwareCompatibility( clazz, new JSONResponseWriter() );
// Make sure it throws an error for invalid objects
invalid = new Object[] {
new NGramFilterFactory(),
"hello", new Float( 12.3f ),
new KeywordTokenizerFactory()
};
for( Object obj : invalid ) {
try {
loader.assertAwareCompatibility( clazz, obj );
Assert.fail( "Should be invalid class: "+obj + " FOR " + clazz );
}
catch( SolrException ex ) { } // OK
}
}
public void testBOMMarkers() throws Exception {
final String fileWithBom = "stopwithbom.txt";
SolrResourceLoader loader = new SolrResourceLoader(null);
// preliminary sanity check
InputStream bomStream = loader.openResource(fileWithBom);
try {
final byte[] bomExpected = new byte[] { -17, -69, -65 };
final byte[] firstBytes = new byte[3];
assertEquals("Should have been able to read 3 bytes from bomStream",
3, bomStream.read(firstBytes));
assertTrue("This test only works if " + fileWithBom +
" contains a BOM -- it appears someone removed it.",
Arrays.equals(bomExpected, firstBytes));
} finally {
try { bomStream.close(); } catch (Exception e) { /* IGNORE */ }
}
// now make sure getLines skips the BOM...
List<String> lines = loader.getLines(fileWithBom);
assertEquals(1, lines.size());
assertEquals("BOMsAreEvil", lines.get(0));
}
public void testWrongEncoding() throws Exception {
String wrongEncoding = "stopwordsWrongEncoding.txt";
SolrResourceLoader loader = new SolrResourceLoader(null);
// ensure we get our exception
try {
List<String> lines = loader.getLines(wrongEncoding);
fail();
} catch (SolrException expected) {
assertTrue(expected.getCause() instanceof CharacterCodingException);
}
}
}