public void Can_parse_mixed_terms()
{
var c = LuceneClauseParser.Parse("a +b (c d) -(+d x) -e");
Assert.AreEqual(new[] { "a", "(c d)" }, c.Unprefixed.ToArray());
Assert.AreEqual(new[] { "+b" }, c.PlusPrefixed.ToArray());
Assert.AreEqual(new[] { "-(+d x)", "-e" }, c.MinusPrefixed.ToArray());
}
public void Can_parse_multiple_simple_terms()
{
var c = LuceneClauseParser.Parse("a b c");
Assert.AreEqual(new[] { "a", "b", "c" }, c.Unprefixed.ToArray());
Assert.AreEqual(new string[0], c.PlusPrefixed.ToArray());
Assert.AreEqual(new string[0], c.MinusPrefixed.ToArray());
}
public void Can_parse_single_parenthesized_minus_prefixed_term()
{
var c = LuceneClauseParser.Parse("-(foo)");
Assert.AreEqual(0, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(1, c.MinusPrefixed.Count());
Assert.AreEqual("-(foo)", c.MinusPrefixed.First());
}
public void Can_parse_single_simple_plus_prefixed_term()
{
var c = LuceneClauseParser.Parse("+foo");
Assert.AreEqual(0, c.Unprefixed.Count());
Assert.AreEqual(1, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("+foo", c.PlusPrefixed.First());
}
public void Quoted_parentheses_do_not_throw_off_parenethese_balancing()
{
var c = LuceneClauseParser.Parse("a(\")\")");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("a(\")\")", c.Unprefixed.First());
}
public void Can_parse_nested_parentheses_terms()
{
var c = LuceneClauseParser.Parse("a(b(c (d)e))");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("a(b(c (d)e))", c.Unprefixed.First());
}
public void Reserved_word_shortcircuits_parse()
{
var c = LuceneClauseParser.Parse("-a AND +b");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("(-a AND +b)", c.Unprefixed.First());
}
public void Trailing_escape_shortcircuits_parse()
{
var c = LuceneClauseParser.Parse("foo\\");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("(foo\\)", c.Unprefixed.First());
}
public void Unclosed_quotes_shortcircuit_parse()
{
var c = LuceneClauseParser.Parse("foo\"bar");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("(foo\"bar)", c.Unprefixed.First());
}
public void Unmatched_parentheses_shortcircuits_parse()
{
var c = LuceneClauseParser.Parse("foo(bar");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("(foo(bar)", c.Unprefixed.First());
}
public void Plus_in_term_does_not_make_it_plus_prefixed()
{
var c = LuceneClauseParser.Parse("foo+bar");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual("foo+bar", c.Unprefixed.First());
}
public void Can_parse_parenthesized_complex_clause()
{
var clause = "(title:+foo:\"blah((\"\\x OR foo* +bar something:(some thing))";
var c = LuceneClauseParser.Parse(clause);
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(0, c.PlusPrefixed.Count());
Assert.AreEqual(0, c.MinusPrefixed.Count());
Assert.AreEqual(clause, c.Unprefixed.First());
}
public void Can_parse_terms_with_quotes()
{
var c = LuceneClauseParser.Parse("+foo:\"bar\" -a:\"b\" x:\"y\"");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(1, c.PlusPrefixed.Count());
Assert.AreEqual(1, c.MinusPrefixed.Count());
Assert.AreEqual(new[] { "x:\"y\"" }, c.Unprefixed.ToArray());
Assert.AreEqual(new[] { "+foo:\"bar\"" }, c.PlusPrefixed.ToArray());
Assert.AreEqual(new[] { "-a:\"b\"" }, c.MinusPrefixed.ToArray());
}
public void Extra_spaces_are_ignored_except_in_term()
{
var c = LuceneClauseParser.Parse(" abc +(foo bar) -\"sdfsf\" ");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(1, c.PlusPrefixed.Count());
Assert.AreEqual(1, c.MinusPrefixed.Count());
Assert.AreEqual(new[] { "abc" }, c.Unprefixed.ToArray());
Assert.AreEqual(new[] { "+(foo bar)" }, c.PlusPrefixed.ToArray());
Assert.AreEqual(new[] { "-\"sdfsf\"" }, c.MinusPrefixed.ToArray());
}
public void Can_parse_terms_with_escaped_chars()
{
var c = LuceneClauseParser.Parse("a\\b -\"d\\e\" +\\c");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(1, c.PlusPrefixed.Count());
Assert.AreEqual(1, c.MinusPrefixed.Count());
Assert.AreEqual(new[] { "a\\b" }, c.Unprefixed.ToArray());
Assert.AreEqual(new[] { "+\\c" }, c.PlusPrefixed.ToArray());
Assert.AreEqual(new[] { "-\"d\\e\"" }, c.MinusPrefixed.ToArray());
}
public void Can_parse_terms_with_parentheses()
{
var c = LuceneClauseParser.Parse("a:(b) +c:(d e) -(f g)");
Assert.AreEqual(1, c.Unprefixed.Count());
Assert.AreEqual(1, c.PlusPrefixed.Count());
Assert.AreEqual(1, c.MinusPrefixed.Count());
Assert.AreEqual(new[] { "a:(b)" }, c.Unprefixed.ToArray());
Assert.AreEqual(new[] { "+c:(d e)" }, c.PlusPrefixed.ToArray());
Assert.AreEqual(new[] { "-(f g)" }, c.MinusPrefixed.ToArray());
}
