public void testSimple() throws Exception {
assertQueryEquals("term term term", null, "term term term");
assertQueryEquals("türm term term", new MockAnalyzer(random), "türm term term");
assertQueryEquals("ümlaut", new MockAnalyzer(random), "ümlaut");
assertQueryEquals("\"\"", new KeywordAnalyzer(), "");
assertQueryEquals("foo:\"\"", new KeywordAnalyzer(), "foo:");
assertQueryEquals("a AND b", null, "+a +b");
assertQueryEquals("(a AND b)", null, "+a +b");
assertQueryEquals("c OR (a AND b)", null, "c (+a +b)");
assertQueryEquals("a AND NOT b", null, "+a -b");
assertQueryEquals("a AND -b", null, "+a -b");
assertQueryEquals("a AND !b", null, "+a -b");
assertQueryEquals("a && b", null, "+a +b");
// assertQueryEquals("a && ! b", null, "+a -b");
assertQueryEquals("a OR b", null, "a b");
assertQueryEquals("a || b", null, "a b");
assertQueryEquals("a OR !b", null, "a -b");
// assertQueryEquals("a OR ! b", null, "a -b");
assertQueryEquals("a OR -b", null, "a -b");
// +,-,! should be directly adjacent to operand (i.e. not separated by whitespace) to be treated
// as an operator
Analyzer a =
new Analyzer() {
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
return new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
}
};
assertQueryEquals("a - b", a, "a - b");
assertQueryEquals("a + b", a, "a + b");
assertQueryEquals("a ! b", a, "a ! b");
assertQueryEquals("+term -term term", null, "+term -term term");
assertQueryEquals("foo:term AND field:anotherTerm", null, "+foo:term +anotherterm");
assertQueryEquals("term AND \"phrase phrase\"", null, "+term +\"phrase phrase\"");
assertQueryEquals("\"hello there\"", null, "\"hello there\"");
assertTrue(getQuery("a AND b", null) instanceof BooleanQuery);
assertTrue(getQuery("hello", null) instanceof TermQuery);
assertTrue(getQuery("\"hello there\"", null) instanceof PhraseQuery);
assertQueryEquals("germ term^2.0", null, "germ term^2.0");
assertQueryEquals("(term)^2.0", null, "term^2.0");
assertQueryEquals("(germ term)^2.0", null, "(germ term)^2.0");
assertQueryEquals("term^2.0", null, "term^2.0");
assertQueryEquals("term^2", null, "term^2.0");
assertQueryEquals("\"germ term\"^2.0", null, "\"germ term\"^2.0");
assertQueryEquals("\"term germ\"^2", null, "\"term germ\"^2.0");
assertQueryEquals("(foo OR bar) AND (baz OR boo)", null, "+(foo bar) +(baz boo)");
assertQueryEquals("((a OR b) AND NOT c) OR d", null, "(+(a b) -c) d");
assertQueryEquals(
"+(apple \"steve jobs\") -(foo bar baz)", null, "+(apple \"steve jobs\") -(foo bar baz)");
assertQueryEquals(
"+title:(dog OR cat) -author:\"bob dole\"",
null,
"+(title:dog title:cat) -author:\"bob dole\"");
QueryParser qp = new QueryParser(TEST_VERSION_CURRENT, "field", new MockAnalyzer(random));
// make sure OR is the default:
assertEquals(QueryParser.OR_OPERATOR, qp.getDefaultOperator());
qp.setDefaultOperator(QueryParser.AND_OPERATOR);
assertEquals(QueryParser.AND_OPERATOR, qp.getDefaultOperator());
qp.setDefaultOperator(QueryParser.OR_OPERATOR);
assertEquals(QueryParser.OR_OPERATOR, qp.getDefaultOperator());
}
public Query getQueryDOA(String query, Analyzer a) throws Exception {
if (a == null) a = new MockAnalyzer(random, MockTokenizer.SIMPLE, true);
QueryParser qp = new QueryParser(TEST_VERSION_CURRENT, "field", a);
qp.setDefaultOperator(QueryParser.AND_OPERATOR);
return qp.parse(query);
}
