public void testDiscreteMultiValueHighlighting() throws Exception {
makeIndexShortMV();
FieldQuery fq = new FieldQuery(tq("d"), true, true);
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
sfb.setDiscreteMultiValueHighlighting(true);
assertEquals("<b>d</b> e", sfb.createFragment(reader, 0, F, ffl));
make1dmfIndex("some text to highlight", "highlight other text");
fq = new FieldQuery(tq("text"), true, true);
stack = new FieldTermStack(reader, 0, F, fq);
fpl = new FieldPhraseList(stack, fq);
sflb = new SimpleFragListBuilder();
ffl = sflb.createFieldFragList(fpl, 32);
String[] result = sfb.createFragments(reader, 0, F, ffl, 3);
assertEquals(2, result.length);
assertEquals("some <b>text</b> to highlight", result[0]);
assertEquals("other <b>text</b>", result[1]);
fq = new FieldQuery(tq("highlight"), true, true);
stack = new FieldTermStack(reader, 0, F, fq);
fpl = new FieldPhraseList(stack, fq);
sflb = new SimpleFragListBuilder();
ffl = sflb.createFieldFragList(fpl, 32);
result = sfb.createFragments(reader, 0, F, ffl, 3);
assertEquals(2, result.length);
assertEquals("text to <b>highlight</b>", result[0]);
assertEquals("<b>highlight</b> other text", result[1]);
}
public void testTagsAndEncoder() throws Exception {
FieldFragList ffl = ffl(new TermQuery(new Term(F, "a")), "<h1> a </h1>");
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
String[] preTags = {"["};
String[] postTags = {"]"};
assertEquals(
"<h1> [a] </h1>",
sfb.createFragment(reader, 0, F, ffl, preTags, postTags, new SimpleHTMLEncoder()));
}
public void test2Frags() throws Exception {
FieldFragList ffl = ffl(new TermQuery(new Term(F, "a")), "a b b b b b b b b b b b a b a b");
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
String[] f = sfb.createFragments(reader, 0, F, ffl, 3);
// 3 snippets requested, but should be 2
assertEquals(2, f.length);
assertEquals("<b>a</b> b b b b b b b b b b", f[0]);
assertEquals("b b <b>a</b> b <b>a</b> b", f[1]);
}
public void test1TermIndex() throws Exception {
FieldFragList ffl = ffl(new TermQuery(new Term(F, "a")), "a");
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
assertEquals("<b>a</b>", sfb.createFragment(reader, 0, F, ffl));
// change tags
sfb = new SimpleFragmentsBuilder(new String[] {"["}, new String[] {"]"});
assertEquals("[a]", sfb.createFragment(reader, 0, F, ffl));
}
public void testUnstoredField() throws Exception {
makeUnstoredIndex();
FieldQuery fq = new FieldQuery(tq("aaa"), true, true);
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
assertNull(sfb.createFragment(reader, 0, F, ffl));
}
public void test1PhraseShortMV() throws Exception {
makeIndexShortMV();
FieldQuery fq = new FieldQuery(tq("d"), true, true);
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
assertEquals("a b c <b>d</b> e", sfb.createFragment(reader, 0, F, ffl));
}
public void test1StrMV() throws Exception {
makeIndexStrMV();
FieldQuery fq = new FieldQuery(tq("defg"), true, true);
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
sfb.setMultiValuedSeparator('/');
assertEquals("abc/<b>defg</b>/hijkl", sfb.createFragment(reader, 0, F, ffl));
}
public void test3Frags() throws Exception {
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.add(new TermQuery(new Term(F, "a")), BooleanClause.Occur.SHOULD);
booleanQuery.add(new TermQuery(new Term(F, "c")), BooleanClause.Occur.SHOULD);
FieldFragList ffl = ffl(booleanQuery, "a b b b b b b b b b b b a b a b b b b b c a a b b");
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
String[] f = sfb.createFragments(reader, 0, F, ffl, 3);
assertEquals(3, f.length);
assertEquals("<b>a</b> b b b b b b b b b b", f[0]);
assertEquals("b b <b>a</b> b <b>a</b> b b b b b c", f[1]);
assertEquals("<b>c</b> <b>a</b> <b>a</b> b b", f[2]);
}
public void test1PhraseLongMVB() throws Exception {
makeIndexLongMVB();
FieldQuery fq =
new FieldQuery(
pqF("sp", "pe", "ee", "ed"), true, true); // "speed" -(2gram)-> "sp","pe","ee","ed"
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
assertEquals("processing <b>speed</b>, the", sfb.createFragment(reader, 0, F, ffl));
}
public void test1PhraseLongMV() throws Exception {
makeIndexLongMV();
FieldQuery fq = new FieldQuery(pqF("search", "engines"), true, true);
FieldTermStack stack = new FieldTermStack(reader, 0, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder();
FieldFragList ffl = sflb.createFieldFragList(fpl, 100);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
assertEquals(
"The most <b>search engines</b> use only one of these methods. Even the <b>search engines</b> that says they can use the",
sfb.createFragment(reader, 0, F, ffl));
}
public void testRandomDiscreteMultiValueHighlighting() throws Exception {
String[] randomValues = new String[3 + random().nextInt(10 * RANDOM_MULTIPLIER)];
for (int i = 0; i < randomValues.length; i++) {
String randomValue;
do {
randomValue = _TestUtil.randomSimpleString(random());
} while ("".equals(randomValue));
randomValues[i] = randomValue;
}
Directory dir = newDirectory();
RandomIndexWriter writer =
new RandomIndexWriter(
random(),
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()))
.setMergePolicy(newLogMergePolicy()));
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.setStoreTermVectors(true);
customType.setStoreTermVectorOffsets(true);
customType.setStoreTermVectorPositions(true);
int numDocs = randomValues.length * 5;
int numFields = 2 + random().nextInt(5);
int numTerms = 2 + random().nextInt(3);
List<Doc> docs = new ArrayList<Doc>(numDocs);
List<Document> documents = new ArrayList<Document>(numDocs);
Map<String, Set<Integer>> valueToDocId = new HashMap<String, Set<Integer>>();
for (int i = 0; i < numDocs; i++) {
Document document = new Document();
String[][] fields = new String[numFields][numTerms];
for (int j = 0; j < numFields; j++) {
String[] fieldValues = new String[numTerms];
fieldValues[0] = getRandomValue(randomValues, valueToDocId, i);
StringBuilder builder = new StringBuilder(fieldValues[0]);
for (int k = 1; k < numTerms; k++) {
fieldValues[k] = getRandomValue(randomValues, valueToDocId, i);
builder.append(' ').append(fieldValues[k]);
}
document.add(new Field(F, builder.toString(), customType));
fields[j] = fieldValues;
}
docs.add(new Doc(fields));
documents.add(document);
}
writer.addDocuments(documents);
writer.close();
IndexReader reader = DirectoryReader.open(dir);
try {
int highlightIters = 1 + random().nextInt(120 * RANDOM_MULTIPLIER);
for (int highlightIter = 0; highlightIter < highlightIters; highlightIter++) {
String queryTerm = randomValues[random().nextInt(randomValues.length)];
int randomHit = valueToDocId.get(queryTerm).iterator().next();
List<StringBuilder> builders = new ArrayList<StringBuilder>();
for (String[] fieldValues : docs.get(randomHit).fieldValues) {
StringBuilder builder = new StringBuilder();
boolean hit = false;
for (int i = 0; i < fieldValues.length; i++) {
if (queryTerm.equals(fieldValues[i])) {
builder.append("<b>").append(queryTerm).append("</b>");
hit = true;
} else {
builder.append(fieldValues[i]);
}
if (i != fieldValues.length - 1) {
builder.append(' ');
}
}
if (hit) {
builders.add(builder);
}
}
FieldQuery fq = new FieldQuery(tq(queryTerm), true, true);
FieldTermStack stack = new FieldTermStack(reader, randomHit, F, fq);
FieldPhraseList fpl = new FieldPhraseList(stack, fq);
SimpleFragListBuilder sflb = new SimpleFragListBuilder(100);
FieldFragList ffl = sflb.createFieldFragList(fpl, 300);
SimpleFragmentsBuilder sfb = new SimpleFragmentsBuilder();
sfb.setDiscreteMultiValueHighlighting(true);
String[] actualFragments = sfb.createFragments(reader, randomHit, F, ffl, numFields);
assertEquals(builders.size(), actualFragments.length);
for (int i = 0; i < actualFragments.length; i++) {
assertEquals(builders.get(i).toString(), actualFragments[i]);
}
}
} finally {
reader.close();
dir.close();
}
}