public void testFarsiRangeCollating() throws Exception {
Directory ramDir = newDirectory();
IndexWriter iw =
new IndexWriter(
ramDir,
newIndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)));
Document doc = new Document();
doc.add(newField("content", "\u0633\u0627\u0628", Field.Store.YES, Field.Index.NOT_ANALYZED));
iw.addDocument(doc);
iw.close();
IndexSearcher is = new IndexSearcher(ramDir, true);
AqpQueryParser qp = getParser();
qp.setAnalyzer(new WhitespaceAnalyzer(TEST_VERSION_CURRENT));
// Neither Java 1.4.2 nor 1.5.0 has Farsi Locale collation available in
// RuleBasedCollator. However, the Arabic Locale seems to order the
// Farsi
// characters properly.
Collator c = Collator.getInstance(new Locale("ar"));
qp.setRangeCollator(c);
// Unicode order would include U+0633 in [ U+062F - U+0698 ], but Farsi
// orders the U+0698 character before the U+0633 character, so the
// single
// index Term below should NOT be returned by a ConstantScoreRangeQuery
// with a Farsi Collator (or an Arabic one for the case when Farsi is
// not
// supported).
// Test ConstantScoreRangeQuery
qp.setMultiTermRewriteMethod(MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE);
ScoreDoc[] result =
is.search(qp.parse("[ \u062F TO \u0698 ]", "content"), null, 1000).scoreDocs;
assertEquals("The index Term should not be included.", 0, result.length);
result = is.search(qp.parse("[ \u0633 TO \u0638 ]", "content"), null, 1000).scoreDocs;
assertEquals("The index Term should be included.", 1, result.length);
// Test RangeQuery
qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
result = is.search(qp.parse("[ \u062F TO \u0698 ]", "content"), null, 1000).scoreDocs;
assertEquals("The index Term should not be included.", 0, result.length);
result = is.search(qp.parse("[ \u0633 TO \u0638 ]", "content"), null, 1000).scoreDocs;
assertEquals("The index Term should be included.", 1, result.length);
is.close();
ramDir.close();
}
public void testRange() throws Exception {
assertQueryEquals("[ a TO z]", null, "[a TO z]");
assertEquals(
MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT,
((TermRangeQuery) getQuery("[ a TO z]", null)).getRewriteMethod());
AqpQueryParser qp = getParser();
qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
assertEquals(
MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE,
((TermRangeQuery) qp.parse("[ a TO z]", "field")).getRewriteMethod());
assertQueryEquals("[ a TO z ]", null, "[a TO z]");
assertQueryEquals("{ a TO z}", null, "{a TO z}");
assertQueryEquals("{ a TO z }", null, "{a TO z}");
assertQueryEquals("{ a TO z }^2.0", null, "{a TO z}^2.0");
assertQueryEquals("[ a TO z] OR bar", null, "[a TO z] bar");
assertQueryEquals("[ a TO z] AND bar", null, "+[a TO z] +bar");
assertQueryEquals("( bar blar { a TO z}) ", null, "bar blar {a TO z}");
// the original expected value was: gack (bar blar {a TO z})
assertQueryEquals("gack ( bar blar { a TO z}) ", null, "gack bar blar {a TO z}");
}
