package org.infinispan.query.nulls;
import org.apache.lucene.search.Query;
import org.hibernate.search.annotations.Field;
import org.hibernate.search.annotations.Indexed;
import org.hibernate.search.annotations.Store;
import org.hibernate.search.query.dsl.QueryBuilder;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.query.CacheQuery;
import org.infinispan.query.FetchOptions;
import org.infinispan.query.ProjectionConstants;
import org.infinispan.query.ResultIterator;
import org.infinispan.query.Search;
import org.infinispan.query.SearchManager;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.concurrent.Callable;
import static org.infinispan.query.FetchOptions.FetchMode.*;
import static org.infinispan.test.TestingUtil.withTx;
import static org.junit.Assert.*;
/**
* @author <a href="mailto:mluksa@redhat.com">Marko Luksa</a>
*/
@Test(groups = "functional", testName = "query.nulls.NullCollectionElementsTest")
public class NullCollectionElementsTest extends SingleCacheManagerTest {
private SearchManager searchManager;
@Override
protected EmbeddedCacheManager createCacheManager() throws Exception {
ConfigurationBuilder cfg = getDefaultStandaloneCacheConfig(true);
cfg
.indexing()
.enable()
.indexLocalOnly(true)
.addProperty("default.directory_provider", "ram")
.addProperty("lucene_version", "LUCENE_CURRENT");
return TestCacheManagerFactory.createCacheManager(cfg);
}
@Override
protected void setup() throws Exception {
super.setup();
searchManager = Search.getSearchManager(cache);
}
@BeforeMethod
public void insertData() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.put("1", new Foo("1"));
return null;
}
});
}
@Test
public void testQuerySkipsNullsInList() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.remove("1"); // cache will now be out of sync with the index
Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
List list = searchManager.getQuery(query).list();
assert list.size() == 0;
return null;
}
});
}
@Test
public void testQuerySkipsNullsInEagerIterator() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.remove("1"); // cache will now be out of sync with the index
Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
ResultIterator iterator = searchManager.getQuery(query).iterator(new FetchOptions().fetchMode(EAGER));
assertFalse(iterator.hasNext());
try {
iterator.next();
fail("Expected NoSuchElementException");
} catch (NoSuchElementException e) {
// pass
}
return null;
}
});
}
@Test // This is the same as the verification above, only verifying the default iterator() method.
public void testQuerySkipsNullsInDefaultIterator() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.remove("1"); // cache will now be out of sync with the index
Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
CacheQuery cacheQuery = searchManager.getQuery(query);
assertEquals(1, cacheQuery.getResultSize());
ResultIterator iterator = cacheQuery.iterator();
assertFalse(iterator.hasNext());
try {
iterator.next();
fail("Expected NoSuchElementException");
} catch (NoSuchElementException e) {
// pass
}
return null;
}
});
}
@Test
public void testQuerySkipsNullsInLazyIterator() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.remove("1"); // cache will now be out of sync with the index
Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
ResultIterator iterator = searchManager.getQuery(query).iterator(new FetchOptions().fetchMode(LAZY));
assertFalse(iterator.hasNext());
try {
iterator.next();
fail("Expected NoSuchElementException");
} catch (NoSuchElementException e) {
// pass
}
return null;
}
});
}
@Test
public void testQueryReturnsNullWhenProjectingCacheValue() throws Exception {
withTx(tm(), new Callable<Void>() {
@Override
public Void call() throws Exception {
cache.remove("1"); // cache will now be out of sync with the index
Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
ResultIterator iterator = searchManager.getQuery(query).projection(ProjectionConstants.VALUE, "bar").iterator(new FetchOptions().fetchMode(LAZY));
assertTrue(iterator.hasNext());
Object[] projection = (Object[]) iterator.next();
assertNull(projection[0]);
assertEquals("1", projection[1]);
return null;
}
});
}
private QueryBuilder createQueryBuilder() {
return searchManager.buildQueryBuilderForClass(Foo.class).get();
}
@Indexed(index = "FooIndex")
public class Foo {
private String bar;
public Foo(String bar) {
this.bar = bar;
}
@Field(name = "bar", store = Store.YES)
public String getBar() {
return bar;
}
}
}