Github user rvesse commented on a diff in the pull request:
https://github.com/apache/jena/pull/414#discussion_r190533210
--- Diff:
jena-text/src/test/java/org/apache/jena/query/text/TestTextTxn.java ---
@@ -0,0 +1,341 @@
+/**
+ * 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.jena.query.text;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assume.assumeTrue;
+
+import java.io.Reader;
+import java.io.StringReader;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List ;
+
+import org.apache.jena.atlas.iterator.Iter ;
+import org.apache.jena.atlas.lib.Creator;
+import org.apache.jena.atlas.lib.StrUtils ;
+import org.apache.jena.query.* ;
+import org.apache.jena.rdf.model.Model ;
+import org.apache.jena.sparql.core.Quad ;
+import org.apache.jena.sparql.sse.SSE ;
+import org.apache.jena.system.Txn;
+import org.apache.jena.tdb.TDBFactory ;
+import org.apache.jena.tdb2.TDB2Factory;
+import org.apache.jena.vocabulary.RDFS ;
+import org.apache.lucene.index.DirectoryReader;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.store.Directory ;
+import org.apache.lucene.store.RAMDirectory ;
+import org.junit.Test ;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+/** Text dataset tests using datasets transactionally, named
unionDefaultGraph.
+ * <p>
+ * Note that in Lucene, writes are not visible to a reader of the {@code
Directory}
+ * until committed. A special {@link IndexReader} is needed. See
+ * {@link DirectoryReader#open(IndexWriter)}. jena-text does not currentyl
do this.
--- End diff --
Typo - `currentyl`
---
