public void testChangeGaps() throws Exception { // LUCENE-5324: check that it is possible to change the wrapper's gaps final int positionGap = random().nextInt(1000); final int offsetGap = random().nextInt(1000); final Analyzer delegate = new MockAnalyzer(random()); final Analyzer a = new DelegatingAnalyzerWrapper(delegate.getReuseStrategy()) { @Override protected Analyzer getWrappedAnalyzer(String fieldName) { return delegate; } @Override public int getPositionIncrementGap(String fieldName) { return positionGap; } @Override public int getOffsetGap(String fieldName) { return offsetGap; } }; final RandomIndexWriter writer = new RandomIndexWriter(random(), newDirectory(), a); final Document doc = new Document(); final FieldType ft = new FieldType(); ft.setIndexOptions(IndexOptions.DOCS); ft.setTokenized(true); ft.setStoreTermVectors(true); ft.setStoreTermVectorPositions(true); ft.setStoreTermVectorOffsets(true); doc.add(new Field("f", "a", ft)); doc.add(new Field("f", "a", ft)); writer.addDocument(doc); final LeafReader reader = getOnlySegmentReader(writer.getReader()); final Fields fields = reader.getTermVectors(0); final Terms terms = fields.terms("f"); final TermsEnum te = terms.iterator(); assertEquals(new BytesRef("a"), te.next()); final PostingsEnum dpe = te.postings(null, PostingsEnum.ALL); assertEquals(0, dpe.nextDoc()); assertEquals(2, dpe.freq()); assertEquals(0, dpe.nextPosition()); assertEquals(0, dpe.startOffset()); final int endOffset = dpe.endOffset(); assertEquals(1 + positionGap, dpe.nextPosition()); assertEquals(1 + endOffset + offsetGap, dpe.endOffset()); assertEquals(null, te.next()); reader.close(); writer.close(); writer.w.getDirectory().close(); }
public void testWrapReader() throws Exception { // LUCENE-5153: test that wrapping an analyzer's reader is allowed final Random random = random(); final Analyzer delegate = new MockAnalyzer(random); Analyzer a = new AnalyzerWrapper(delegate.getReuseStrategy()) { @Override protected Reader wrapReader(String fieldName, Reader reader) { return new MockCharFilter(reader, 7); } @Override protected Analyzer getWrappedAnalyzer(String fieldName) { return delegate; } }; checkOneTerm(a, "abc", "aabc"); }