+++ /dev/null
-package org.apache.lucene.util;
-
-/**
- * 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.
- */
-
-import org.apache.lucene.analysis.Token;
-import org.apache.lucene.analysis.tokenattributes.*;
-
-import java.util.Iterator;
-import java.util.HashMap;
-import java.util.Map;
-
-public class TestAttributeSource extends LuceneTestCase {
-
- public void testCaptureState() {
- // init a first instance
- AttributeSource src = new AttributeSource();
- CharTermAttribute termAtt = src.addAttribute(CharTermAttribute.class);
- TypeAttribute typeAtt = src.addAttribute(TypeAttribute.class);
- termAtt.append("TestTerm");
- typeAtt.setType("TestType");
- final int hashCode = src.hashCode();
-
- AttributeSource.State state = src.captureState();
-
- // modify the attributes
- termAtt.setEmpty().append("AnotherTestTerm");
- typeAtt.setType("AnotherTestType");
- assertTrue("Hash code should be different", hashCode != src.hashCode());
-
- src.restoreState(state);
- assertEquals("TestTerm", termAtt.toString());
- assertEquals("TestType", typeAtt.type());
- assertEquals("Hash code should be equal after restore", hashCode, src.hashCode());
-
- // restore into an exact configured copy
- AttributeSource copy = new AttributeSource();
- copy.addAttribute(CharTermAttribute.class);
- copy.addAttribute(TypeAttribute.class);
- copy.restoreState(state);
- assertEquals("Both AttributeSources should have same hashCode after restore", src.hashCode(), copy.hashCode());
- assertEquals("Both AttributeSources should be equal after restore", src, copy);
-
- // init a second instance (with attributes in different order and one additional attribute)
- AttributeSource src2 = new AttributeSource();
- typeAtt = src2.addAttribute(TypeAttribute.class);
- FlagsAttribute flagsAtt = src2.addAttribute(FlagsAttribute.class);
- termAtt = src2.addAttribute(CharTermAttribute.class);
- flagsAtt.setFlags(12345);
-
- src2.restoreState(state);
- assertEquals("TestTerm", termAtt.toString());
- assertEquals("TestType", typeAtt.type());
- assertEquals("FlagsAttribute should not be touched", 12345, flagsAtt.getFlags());
-
- // init a third instance missing one Attribute
- AttributeSource src3 = new AttributeSource();
- termAtt = src3.addAttribute(CharTermAttribute.class);
- try {
- src3.restoreState(state);
- fail("The third instance is missing the TypeAttribute, so restoreState() should throw IllegalArgumentException");
- } catch (IllegalArgumentException iae) {
- // pass
- }
- }
-
- public void testCloneAttributes() {
- final AttributeSource src = new AttributeSource();
- final FlagsAttribute flagsAtt = src.addAttribute(FlagsAttribute.class);
- final TypeAttribute typeAtt = src.addAttribute(TypeAttribute.class);
- flagsAtt.setFlags(1234);
- typeAtt.setType("TestType");
-
- final AttributeSource clone = src.cloneAttributes();
- final Iterator<Class<? extends Attribute>> it = clone.getAttributeClassesIterator();
- assertEquals("FlagsAttribute must be the first attribute", FlagsAttribute.class, it.next());
- assertEquals("TypeAttribute must be the second attribute", TypeAttribute.class, it.next());
- assertFalse("No more attributes", it.hasNext());
-
- final FlagsAttribute flagsAtt2 = clone.getAttribute(FlagsAttribute.class);
- final TypeAttribute typeAtt2 = clone.getAttribute(TypeAttribute.class);
- assertNotSame("FlagsAttribute of original and clone must be different instances", flagsAtt2, flagsAtt);
- assertNotSame("TypeAttribute of original and clone must be different instances", typeAtt2, typeAtt);
- assertEquals("FlagsAttribute of original and clone must be equal", flagsAtt2, flagsAtt);
- assertEquals("TypeAttribute of original and clone must be equal", typeAtt2, typeAtt);
-
- // test copy back
- flagsAtt2.setFlags(4711);
- typeAtt2.setType("OtherType");
- clone.copyTo(src);
- assertEquals("FlagsAttribute of original must now contain updated term", 4711, flagsAtt.getFlags());
- assertEquals("TypeAttribute of original must now contain updated type", "OtherType", typeAtt.type());
- // verify again:
- assertNotSame("FlagsAttribute of original and clone must be different instances", flagsAtt2, flagsAtt);
- assertNotSame("TypeAttribute of original and clone must be different instances", typeAtt2, typeAtt);
- assertEquals("FlagsAttribute of original and clone must be equal", flagsAtt2, flagsAtt);
- assertEquals("TypeAttribute of original and clone must be equal", typeAtt2, typeAtt);
- }
-
- public void testToStringAndMultiAttributeImplementations() {
- AttributeSource src = new AttributeSource();
- CharTermAttribute termAtt = src.addAttribute(CharTermAttribute.class);
- TypeAttribute typeAtt = src.addAttribute(TypeAttribute.class);
- termAtt.append("TestTerm");
- typeAtt.setType("TestType");
- assertEquals("Attributes should appear in original order", "("+termAtt.toString()+","+typeAtt.toString()+")", src.toString());
- Iterator<AttributeImpl> it = src.getAttributeImplsIterator();
- assertTrue("Iterator should have 2 attributes left", it.hasNext());
- assertSame("First AttributeImpl from iterator should be termAtt", termAtt, it.next());
- assertTrue("Iterator should have 1 attributes left", it.hasNext());
- assertSame("Second AttributeImpl from iterator should be typeAtt", typeAtt, it.next());
- assertFalse("Iterator should have 0 attributes left", it.hasNext());
-
- src = new AttributeSource();
- src.addAttributeImpl(new Token());
- // this should not add a new attribute as Token implements CharTermAttribute, too
- termAtt = src.addAttribute(CharTermAttribute.class);
- assertTrue("CharTermAttribute should be implemented by Token", termAtt instanceof Token);
- // get the Token attribute and check, that it is the only one
- it = src.getAttributeImplsIterator();
- Token tok = (Token) it.next();
- assertFalse("There should be only one attribute implementation instance", it.hasNext());
-
- termAtt.setEmpty().append("TestTerm");
- assertEquals("Token should only printed once", "("+tok.toString()+")", src.toString());
- }
-
- public void testDefaultAttributeFactory() throws Exception {
- AttributeSource src = new AttributeSource();
-
- assertTrue("CharTermAttribute is not implemented by CharTermAttributeImpl",
- src.addAttribute(CharTermAttribute.class) instanceof CharTermAttributeImpl);
- assertTrue("OffsetAttribute is not implemented by OffsetAttributeImpl",
- src.addAttribute(OffsetAttribute.class) instanceof OffsetAttributeImpl);
- assertTrue("FlagsAttribute is not implemented by FlagsAttributeImpl",
- src.addAttribute(FlagsAttribute.class) instanceof FlagsAttributeImpl);
- assertTrue("PayloadAttribute is not implemented by PayloadAttributeImpl",
- src.addAttribute(PayloadAttribute.class) instanceof PayloadAttributeImpl);
- assertTrue("PositionIncrementAttribute is not implemented by PositionIncrementAttributeImpl",
- src.addAttribute(PositionIncrementAttribute.class) instanceof PositionIncrementAttributeImpl);
- assertTrue("TypeAttribute is not implemented by TypeAttributeImpl",
- src.addAttribute(TypeAttribute.class) instanceof TypeAttributeImpl);
- }
-
- @SuppressWarnings("unchecked")
- public void testInvalidArguments() throws Exception {
- try {
- AttributeSource src = new AttributeSource();
- src.addAttribute(Token.class);
- fail("Should throw IllegalArgumentException");
- } catch (IllegalArgumentException iae) {}
-
- try {
- AttributeSource src = new AttributeSource(Token.TOKEN_ATTRIBUTE_FACTORY);
- src.addAttribute(Token.class);
- fail("Should throw IllegalArgumentException");
- } catch (IllegalArgumentException iae) {}
-
- try {
- AttributeSource src = new AttributeSource();
- // break this by unsafe cast
- src.addAttribute((Class) Iterator.class);
- fail("Should throw IllegalArgumentException");
- } catch (IllegalArgumentException iae) {}
- }
-
- public void testLUCENE_3042() throws Exception {
- final AttributeSource src1 = new AttributeSource();
- src1.addAttribute(CharTermAttribute.class).append("foo");
- int hash1 = src1.hashCode(); // this triggers a cached state
- final AttributeSource src2 = new AttributeSource(src1);
- src2.addAttribute(TypeAttribute.class).setType("bar");
- assertTrue("The hashCode is identical, so the captured state was preserved.", hash1 != src1.hashCode());
- assertEquals(src2.hashCode(), src1.hashCode());
- }
-
- // this class is included in external class check, so no assertion errors occur
- @Deprecated
- static class TestAttributeImpl extends AttributeImpl implements FlagsAttribute {
-
- private int flags = 0;
-
- public int getFlags() { return flags; }
- public void setFlags(int flags) { this.flags = flags; }
-
- @Override
- public void clear() { flags = 0; }
-
- @Override
- public void copyTo(AttributeImpl target) {
- FlagsAttribute t = (FlagsAttribute) target;
- t.setFlags(flags);
- }
-
- @Override
- public String toString() {
- return "foo=bar,moo=mae";
- }
-
- }
-
- // this class is excluded in external class check, so assertion on calling reflectWith should occur
- @Deprecated
- static class TestAttributeImpl2 extends TestAttributeImpl {}
-
- @Deprecated
- public void testReflectionOfToString() throws Exception {
- final AttributeSource src = new AttributeSource();
- final AttributeImpl att = new TestAttributeImpl();
- src.addAttributeImpl(att);
-
- assertSame("FlagsAttribute is not implemented by same instance of TestAttributeImpl",
- att, src.addAttribute(FlagsAttribute.class));
-
- final Map<String,Object> map = new HashMap<String,Object>();
- final AttributeReflector reflector = new AttributeReflector() {
- public void reflect(Class<? extends Attribute> attClass, String key, Object value) {
- assertSame(FlagsAttribute.class, attClass);
- map.put(key, value);
- }
- };
- att.reflectWith(reflector);
- assertEquals(2, map.size());
- assertEquals("bar", map.get("foo"));
- assertEquals("mae", map.get("moo"));
-
- map.clear();
- src.reflectWith(reflector);
- assertEquals(2, map.size());
- assertEquals("bar", map.get("foo"));
- assertEquals("mae", map.get("moo"));
-
- map.clear();
- try {
- new TestAttributeImpl2().reflectWith(reflector);
- fail("TestAttributeImpl2 should fail assertion on toString() parsing");
- } catch (AssertionError e) {
- // pass
- }
- }
-
-}
fnp / pylucene.git / blobdiff