mirror of https://github.com/apache/lucene.git
LUCENE-3606: Reactivate parts of the reopen tests
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene3606@1210037 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler
parent
498cba2fac
commit
04f8f2850a
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@ -49,6 +49,99 @@ import org.apache.lucene.util._TestUtil;
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public class TestIndexReaderReopen extends LuceneTestCase {
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public void testReopen() throws Exception {
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final Directory dir1 = newDirectory();
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createIndex(random, dir1, false);
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performDefaultTests(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir1);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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return IndexReader.open(dir1);
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}
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});
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dir1.close();
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final Directory dir2 = newDirectory();
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createIndex(random, dir2, true);
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performDefaultTests(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir2);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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return IndexReader.open(dir2);
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}
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});
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dir2.close();
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}
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public void testParallelReaderReopen() throws Exception {
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final Directory dir1 = newDirectory();
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createIndex(random, dir1, true);
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final Directory dir2 = newDirectory();
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createIndex(random, dir2, true);
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performDefaultTests(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir1);
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TestIndexReaderReopen.modifyIndex(i, dir2);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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ParallelReader pr = new ParallelReader();
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pr.add(IndexReader.open(dir1));
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pr.add(IndexReader.open(dir2));
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return pr;
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}
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});
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dir1.close();
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dir2.close();
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final Directory dir3 = newDirectory();
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createIndex(random, dir3, true);
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final Directory dir4 = newDirectory();
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createIndex(random, dir4, true);
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performTestsWithExceptionInReopen(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir3);
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TestIndexReaderReopen.modifyIndex(i, dir4);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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ParallelReader pr = new ParallelReader();
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pr.add(IndexReader.open(dir3));
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pr.add(IndexReader.open(dir4));
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// Does not implement reopen, so
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// hits exception:
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pr.add(new FilterIndexReader(IndexReader.open(dir3)));
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return pr;
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}
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});
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dir3.close();
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dir4.close();
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}
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// LUCENE-1228: IndexWriter.commit() does not update the index version
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// populate an index in iterations.
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// at the end of every iteration, commit the index and reopen/recreate the reader.
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@ -70,7 +163,7 @@ public class TestIndexReaderReopen extends LuceneTestCase {
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TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(
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OpenMode.CREATE).setMergeScheduler(new SerialMergeScheduler()).setMergePolicy(newLogMergePolicy()));
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iwriter.commit();
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IndexReader reader = IndexReader.open(dir, false);
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IndexReader reader = IndexReader.open(dir);
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try {
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int M = 3;
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FieldType customType = new FieldType(TextField.TYPE_STORED);
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@ -107,7 +200,7 @@ public class TestIndexReaderReopen extends LuceneTestCase {
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} else {
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// recreate
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reader.close();
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reader = IndexReader.open(dir, false);
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reader = IndexReader.open(dir);
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}
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}
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} finally {
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@ -116,6 +209,469 @@ public class TestIndexReaderReopen extends LuceneTestCase {
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}
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}
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public void testMultiReaderReopen() throws Exception {
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final Directory dir1 = newDirectory();
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createIndex(random, dir1, true);
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final Directory dir2 = newDirectory();
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createIndex(random, dir2, true);
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performDefaultTests(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir1);
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TestIndexReaderReopen.modifyIndex(i, dir2);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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return new MultiReader(IndexReader.open(dir1),
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IndexReader.open(dir2));
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}
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});
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dir1.close();
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dir2.close();
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final Directory dir3 = newDirectory();
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createIndex(random, dir3, true);
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final Directory dir4 = newDirectory();
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createIndex(random, dir4, true);
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performTestsWithExceptionInReopen(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir3);
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TestIndexReaderReopen.modifyIndex(i, dir4);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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return new MultiReader(IndexReader.open(dir3),
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IndexReader.open(dir4),
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// Does not implement reopen, so
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// hits exception:
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new FilterIndexReader(IndexReader.open(dir3)));
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}
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});
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dir3.close();
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dir4.close();
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}
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public void testMixedReaders() throws Exception {
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final Directory dir1 = newDirectory();
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createIndex(random, dir1, true);
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final Directory dir2 = newDirectory();
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createIndex(random, dir2, true);
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final Directory dir3 = newDirectory();
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createIndex(random, dir3, false);
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final Directory dir4 = newDirectory();
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createIndex(random, dir4, true);
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final Directory dir5 = newDirectory();
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createIndex(random, dir5, false);
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performDefaultTests(new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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TestIndexReaderReopen.modifyIndex(i, dir4);
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TestIndexReaderReopen.modifyIndex(i, dir5);
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}
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@Override
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protected IndexReader openReader() throws IOException {
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MultiReader mr1 = new MultiReader(IndexReader.open(dir1), IndexReader.open(dir2));
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MultiReader mr2 = new MultiReader(IndexReader.open(dir3), IndexReader.open(dir4));
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return new MultiReader(mr1, mr2, IndexReader.open(dir5));
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}
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});
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dir1.close();
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dir2.close();
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dir3.close();
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dir4.close();
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dir5.close();
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}
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private void performDefaultTests(TestReopen test) throws Exception {
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IndexReader index1 = test.openReader();
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IndexReader index2 = test.openReader();
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TestIndexReader.assertIndexEquals(index1, index2);
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// verify that reopen() does not return a new reader instance
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// in case the index has no changes
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ReaderCouple couple = refreshReader(index2, false);
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assertTrue(couple.refreshedReader == index2);
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couple = refreshReader(index2, test, 0, true);
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index1.close();
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index1 = couple.newReader;
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IndexReader index2_refreshed = couple.refreshedReader;
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index2.close();
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// test if refreshed reader and newly opened reader return equal results
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TestIndexReader.assertIndexEquals(index1, index2_refreshed);
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index2_refreshed.close();
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assertReaderClosed(index2, true, true);
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assertReaderClosed(index2_refreshed, true, true);
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index2 = test.openReader();
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for (int i = 1; i < 4; i++) {
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index1.close();
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couple = refreshReader(index2, test, i, true);
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// refresh IndexReader
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index2.close();
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index2 = couple.refreshedReader;
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index1 = couple.newReader;
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TestIndexReader.assertIndexEquals(index1, index2);
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}
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index1.close();
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index2.close();
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assertReaderClosed(index1, true, true);
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assertReaderClosed(index2, true, true);
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}
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public void testReferenceCountingMultiReader() throws IOException {
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for (int mode = 0; mode <=1; mode++) {
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Directory dir1 = newDirectory();
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createIndex(random, dir1, false);
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Directory dir2 = newDirectory();
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createIndex(random, dir2, true);
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IndexReader reader1 = IndexReader.open(dir1);
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assertRefCountEquals(1, reader1);
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IndexReader initReader2 = IndexReader.open(dir2);
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IndexReader multiReader1 = new MultiReader(new IndexReader[] {reader1, initReader2}, (mode == 0));
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modifyIndex(0, dir2);
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assertRefCountEquals(1 + mode, reader1);
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IndexReader multiReader2 = IndexReader.openIfChanged(multiReader1);
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assertNotNull(multiReader2);
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// index1 hasn't changed, so multiReader2 should share reader1 now with multiReader1
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assertRefCountEquals(2 + mode, reader1);
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modifyIndex(0, dir1);
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IndexReader reader2 = IndexReader.openIfChanged(reader1);
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assertNotNull(reader2);
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assertNull(IndexReader.openIfChanged(reader2));
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assertRefCountEquals(2 + mode, reader1);
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if (mode == 1) {
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initReader2.close();
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}
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modifyIndex(1, dir1);
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IndexReader reader3 = IndexReader.openIfChanged(reader2);
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assertNotNull(reader3);
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assertRefCountEquals(2 + mode, reader1);
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assertRefCountEquals(1, reader2);
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multiReader1.close();
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assertRefCountEquals(1 + mode, reader1);
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multiReader1.close();
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assertRefCountEquals(1 + mode, reader1);
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if (mode == 1) {
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initReader2.close();
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}
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reader1.close();
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assertRefCountEquals(1, reader1);
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multiReader2.close();
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assertRefCountEquals(0, reader1);
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multiReader2.close();
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assertRefCountEquals(0, reader1);
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reader3.close();
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assertRefCountEquals(0, reader1);
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assertReaderClosed(reader1, true, false);
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reader2.close();
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assertRefCountEquals(0, reader1);
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assertReaderClosed(reader1, true, false);
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reader2.close();
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assertRefCountEquals(0, reader1);
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reader3.close();
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assertRefCountEquals(0, reader1);
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assertReaderClosed(reader1, true, true);
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dir1.close();
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dir2.close();
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}
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}
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private void performTestsWithExceptionInReopen(TestReopen test) throws Exception {
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IndexReader index1 = test.openReader();
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IndexReader index2 = test.openReader();
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TestIndexReader.assertIndexEquals(index1, index2);
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try {
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refreshReader(index1, test, 0, true);
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fail("Expected exception not thrown.");
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} catch (Exception e) {
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// expected exception
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}
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// index2 should still be usable and unaffected by the failed reopen() call
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TestIndexReader.assertIndexEquals(index1, index2);
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index1.close();
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index2.close();
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}
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public void testThreadSafety() throws Exception {
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final Directory dir = newDirectory();
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// NOTE: this also controls the number of threads!
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final int n = _TestUtil.nextInt(random, 20, 40);
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IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
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TEST_VERSION_CURRENT, new MockAnalyzer(random)));
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for (int i = 0; i < n; i++) {
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writer.addDocument(createDocument(i, 3));
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}
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writer.forceMerge(1);
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writer.close();
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final TestReopen test = new TestReopen() {
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@Override
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protected void modifyIndex(int i) throws IOException {
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IndexWriter modifier = new IndexWriter(dir, new IndexWriterConfig(
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TEST_VERSION_CURRENT, new MockAnalyzer(random)));
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modifier.addDocument(createDocument(n + i, 6));
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modifier.close();
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}
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@Override
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protected IndexReader openReader() throws IOException {
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return IndexReader.open(dir);
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}
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};
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final List<ReaderCouple> readers = Collections.synchronizedList(new ArrayList<ReaderCouple>());
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IndexReader firstReader = IndexReader.open(dir);
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IndexReader reader = firstReader;
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final Random rnd = random;
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ReaderThread[] threads = new ReaderThread[n];
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final Set<IndexReader> readersToClose = Collections.synchronizedSet(new HashSet<IndexReader>());
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for (int i = 0; i < n; i++) {
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if (i % 2 == 0) {
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IndexReader refreshed = IndexReader.openIfChanged(reader);
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if (refreshed != null) {
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readersToClose.add(reader);
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reader = refreshed;
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}
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}
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final IndexReader r = reader;
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final int index = i;
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ReaderThreadTask task;
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if (i < 4 || (i >=10 && i < 14) || i > 18) {
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task = new ReaderThreadTask() {
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@Override
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public void run() throws Exception {
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while (!stopped) {
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if (index % 2 == 0) {
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// refresh reader synchronized
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ReaderCouple c = (refreshReader(r, test, index, true));
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readersToClose.add(c.newReader);
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readersToClose.add(c.refreshedReader);
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readers.add(c);
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// prevent too many readers
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break;
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} else {
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// not synchronized
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IndexReader refreshed = IndexReader.openIfChanged(r);
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if (refreshed == null) {
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refreshed = r;
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}
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IndexSearcher searcher = newSearcher(refreshed);
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ScoreDoc[] hits = searcher.search(
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new TermQuery(new Term("field1", "a" + rnd.nextInt(refreshed.maxDoc()))),
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null, 1000).scoreDocs;
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if (hits.length > 0) {
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searcher.doc(hits[0].doc);
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}
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searcher.close();
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if (refreshed != r) {
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refreshed.close();
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}
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}
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synchronized(this) {
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wait(_TestUtil.nextInt(random, 1, 100));
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}
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}
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}
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};
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} else {
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task = new ReaderThreadTask() {
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@Override
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public void run() throws Exception {
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while (!stopped) {
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int numReaders = readers.size();
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if (numReaders > 0) {
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ReaderCouple c = readers.get(rnd.nextInt(numReaders));
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TestIndexReader.assertIndexEquals(c.newReader, c.refreshedReader);
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}
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synchronized(this) {
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wait(_TestUtil.nextInt(random, 1, 100));
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}
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}
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}
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};
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}
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threads[i] = new ReaderThread(task);
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threads[i].start();
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}
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synchronized(this) {
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wait(1000);
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}
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for (int i = 0; i < n; i++) {
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if (threads[i] != null) {
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threads[i].stopThread();
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}
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}
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for (int i = 0; i < n; i++) {
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if (threads[i] != null) {
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threads[i].join();
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if (threads[i].error != null) {
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String msg = "Error occurred in thread " + threads[i].getName() + ":\n" + threads[i].error.getMessage();
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fail(msg);
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}
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}
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}
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for (final IndexReader readerToClose : readersToClose) {
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readerToClose.close();
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}
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firstReader.close();
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reader.close();
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for (final IndexReader readerToClose : readersToClose) {
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assertReaderClosed(readerToClose, true, true);
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}
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assertReaderClosed(reader, true, true);
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assertReaderClosed(firstReader, true, true);
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dir.close();
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}
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private static class ReaderCouple {
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ReaderCouple(IndexReader r1, IndexReader r2) {
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newReader = r1;
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refreshedReader = r2;
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}
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IndexReader newReader;
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IndexReader refreshedReader;
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}
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private abstract static class ReaderThreadTask {
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protected volatile boolean stopped;
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public void stop() {
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this.stopped = true;
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}
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public abstract void run() throws Exception;
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}
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private static class ReaderThread extends Thread {
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private ReaderThreadTask task;
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private Throwable error;
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ReaderThread(ReaderThreadTask task) {
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this.task = task;
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}
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public void stopThread() {
|
||||
this.task.stop();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
try {
|
||||
this.task.run();
|
||||
} catch (Throwable r) {
|
||||
r.printStackTrace(System.out);
|
||||
this.error = r;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private Object createReaderMutex = new Object();
|
||||
|
||||
private ReaderCouple refreshReader(IndexReader reader, boolean hasChanges) throws IOException {
|
||||
return refreshReader(reader, null, -1, hasChanges);
|
||||
}
|
||||
|
||||
ReaderCouple refreshReader(IndexReader reader, TestReopen test, int modify, boolean hasChanges) throws IOException {
|
||||
synchronized (createReaderMutex) {
|
||||
IndexReader r = null;
|
||||
if (test != null) {
|
||||
test.modifyIndex(modify);
|
||||
r = test.openReader();
|
||||
}
|
||||
|
||||
IndexReader refreshed = null;
|
||||
try {
|
||||
refreshed = IndexReader.openIfChanged(reader);
|
||||
if (refreshed == null) {
|
||||
refreshed = reader;
|
||||
}
|
||||
} finally {
|
||||
if (refreshed == null && r != null) {
|
||||
// Hit exception -- close opened reader
|
||||
r.close();
|
||||
}
|
||||
}
|
||||
|
||||
if (hasChanges) {
|
||||
if (refreshed == reader) {
|
||||
fail("No new IndexReader instance created during refresh.");
|
||||
}
|
||||
} else {
|
||||
if (refreshed != reader) {
|
||||
fail("New IndexReader instance created during refresh even though index had no changes.");
|
||||
}
|
||||
}
|
||||
|
||||
return new ReaderCouple(r, refreshed);
|
||||
}
|
||||
}
|
||||
|
||||
public static void createIndex(Random random, Directory dir, boolean multiSegment) throws IOException {
|
||||
IndexWriter.unlock(dir);
|
||||
IndexWriter w = new IndexWriter(dir, LuceneTestCase.newIndexWriterConfig(random,
|
||||
|
|
@ -135,7 +691,7 @@ public class TestIndexReaderReopen extends LuceneTestCase {
|
|||
|
||||
w.close();
|
||||
|
||||
IndexReader r = IndexReader.open(dir, false);
|
||||
IndexReader r = IndexReader.open(dir);
|
||||
if (multiSegment) {
|
||||
assertTrue(r.getSequentialSubReaders().length > 1);
|
||||
} else {
|
||||
|
|
@ -165,6 +721,42 @@ public class TestIndexReaderReopen extends LuceneTestCase {
|
|||
return doc;
|
||||
}
|
||||
|
||||
static void modifyIndex(int i, Directory dir) throws IOException {
|
||||
switch (i) {
|
||||
case 0: {
|
||||
if (VERBOSE) {
|
||||
System.out.println("TEST: modify index");
|
||||
}
|
||||
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
|
||||
w.deleteDocuments(new Term("field2", "a11"));
|
||||
w.deleteDocuments(new Term("field2", "b30"));
|
||||
w.close();
|
||||
break;
|
||||
}
|
||||
case 1: {
|
||||
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
|
||||
w.forceMerge(1);
|
||||
w.close();
|
||||
break;
|
||||
}
|
||||
case 2: {
|
||||
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
|
||||
w.addDocument(createDocument(101, 4));
|
||||
w.forceMerge(1);
|
||||
w.addDocument(createDocument(102, 4));
|
||||
w.addDocument(createDocument(103, 4));
|
||||
w.close();
|
||||
break;
|
||||
}
|
||||
case 3: {
|
||||
IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
|
||||
w.addDocument(createDocument(101, 4));
|
||||
w.close();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void assertReaderClosed(IndexReader reader, boolean checkSubReaders, boolean checkNormsClosed) {
|
||||
assertEquals(0, reader.getRefCount());
|
||||
|
||||
|
|
@ -216,28 +808,7 @@ public class TestIndexReaderReopen extends LuceneTestCase {
|
|||
|
||||
private abstract static class TestReopen {
|
||||
protected abstract IndexReader openReader() throws IOException;
|
||||
}
|
||||
|
||||
public void testCloseOrig() throws Throwable {
|
||||
Directory dir = newDirectory();
|
||||
createIndex(random, dir, false);
|
||||
IndexReader r1 = IndexReader.open(dir, false);
|
||||
IndexReader r2 = IndexReader.open(dir, false);
|
||||
r2.deleteDocument(0);
|
||||
r2.close();
|
||||
|
||||
IndexReader r3 = IndexReader.openIfChanged(r1);
|
||||
assertNotNull(r3);
|
||||
assertTrue(r1 != r3);
|
||||
r1.close();
|
||||
try {
|
||||
r1.document(2);
|
||||
fail("did not hit exception");
|
||||
} catch (AlreadyClosedException ace) {
|
||||
// expected
|
||||
}
|
||||
r3.close();
|
||||
dir.close();
|
||||
protected abstract void modifyIndex(int i) throws IOException;
|
||||
}
|
||||
|
||||
private static class KeepAllCommits implements IndexDeletionPolicy {
|
||||
|
|
@ -272,7 +843,7 @@ public class TestIndexReaderReopen extends LuceneTestCase {
|
|||
}
|
||||
writer.close();
|
||||
|
||||
IndexReader r = IndexReader.open(dir, false);
|
||||
IndexReader r = IndexReader.open(dir);
|
||||
assertEquals(0, r.numDocs());
|
||||
|
||||
Collection<IndexCommit> commits = IndexReader.listCommits(dir);
|
||||
|
|
@ -308,54 +879,4 @@ public class TestIndexReaderReopen extends LuceneTestCase {
|
|||
r.close();
|
||||
dir.close();
|
||||
}
|
||||
|
||||
// LUCENE-1579: Make sure all SegmentReaders are new when
|
||||
// reopen switches readOnly
|
||||
public void testReopenChangeReadonly() throws Exception {
|
||||
Directory dir = newDirectory();
|
||||
IndexWriter writer = new IndexWriter(
|
||||
dir,
|
||||
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
|
||||
setMaxBufferedDocs(-1).
|
||||
setMergePolicy(newLogMergePolicy(10))
|
||||
);
|
||||
Document doc = new Document();
|
||||
doc.add(newField("number", "17", StringField.TYPE_UNSTORED));
|
||||
writer.addDocument(doc);
|
||||
writer.commit();
|
||||
|
||||
// Open reader1
|
||||
IndexReader r = IndexReader.open(dir, false);
|
||||
assertTrue(r instanceof DirectoryReader);
|
||||
IndexReader r1 = getOnlySegmentReader(r);
|
||||
final int[] ints = FieldCache.DEFAULT.getInts(r1, "number", false);
|
||||
assertEquals(1, ints.length);
|
||||
assertEquals(17, ints[0]);
|
||||
|
||||
// Reopen to readonly w/ no chnages
|
||||
IndexReader r3 = IndexReader.openIfChanged(r, true);
|
||||
assertNotNull(r3);
|
||||
assertTrue(((DirectoryReader) r3).readOnly);
|
||||
r3.close();
|
||||
|
||||
// Add new segment
|
||||
writer.addDocument(doc);
|
||||
writer.commit();
|
||||
|
||||
// Reopen reader1 --> reader2
|
||||
IndexReader r2 = IndexReader.openIfChanged(r, true);
|
||||
assertNotNull(r2);
|
||||
r.close();
|
||||
assertTrue(((DirectoryReader) r2).readOnly);
|
||||
IndexReader[] subs = r2.getSequentialSubReaders();
|
||||
final int[] ints2 = FieldCache.DEFAULT.getInts(subs[0], "number", false);
|
||||
r2.close();
|
||||
|
||||
assertTrue(((SegmentReader) subs[0]).readOnly);
|
||||
assertTrue(((SegmentReader) subs[1]).readOnly);
|
||||
assertTrue(ints == ints2);
|
||||
|
||||
writer.close();
|
||||
dir.close();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue