diff options
Diffstat (limited to 'predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java')
| -rw-r--r-- | predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java b/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java new file mode 100644 index 00000000000..ee161c20feb --- /dev/null +++ b/predicate-search-core/src/test/java/com/yahoo/document/predicate/PredicateParserTest.java @@ -0,0 +1,155 @@ +// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.document.predicate; + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + +/** + * @author <a href="mailto:magnarn@yahoo-inc.com">Magnar Nedland</a> + */ + +public class PredicateParserTest { + + @Test + public void requireThatParseErrorThrowsException() { + try { + Predicate.fromString("a in b"); + fail("Expected an exception"); + } catch (IllegalArgumentException e) { + assertEquals("line 1:5 no viable alternative at input 'b'", e.getMessage()); + } + } + + @Test + public void requireThatLexerErrorThrowsException() { + try { + Predicate.fromString("a-b in [b]"); + fail("Expected an exception"); + } catch (IllegalArgumentException e) { + assertEquals("line 1:2 no viable alternative at character 'b'", e.getMessage()); + } + } + + @Test + public void requireThatSingleValueLeafNodesParse() { + assertParsesTo("a in [b]", "a in [b]"); + assertParsesTo("0 in [1]", "0 in [1]"); + assertParsesTo("in in [in]", "in in [in]"); + assertParsesTo("and in [or]", "and in [or]"); + assertParsesTo("not in [not]", "not in [not]"); + assertParsesTo("'-234' in ['+200']", "'-234' in ['+200']"); + assertParsesTo("string in ['!@#$%^&*()[]']", "'string' in ['!@#$%^&*()[]']"); + assertParsesTo("a in [b]", "a in [b]"); + assertParsesTo("string in ['foo\\\\_\"\\t\\n\\f\\rbar']", + "string in ['foo\\\\_\\x22\\t\\n\\f\\rbar']"); + assertParsesTo("'\\xC3\\xB8' in [b]", "'ø' in [b]"); + assertParsesTo("'\\xEF\\xBF\\xBD' in [b]", "'\\xf8' in [b]"); + assertParsesTo("'\\xEF\\xBF\\xBD' in [b]", "'\\xef\\xbf\\xbd' in ['b']"); + assertParsesTo("'\\xE4\\xB8\\x9C\\xE8\\xA5\\xBF' in ['\\xE8\\x87\\xAA\\xE8\\xA1\\x8C\\xE8\\xBD\\xA6']", + "'东西' in ['自行车']"); + assertParsesTo("true in [false]", "true in [false]"); + } + + @Test + public void requireThatMultiValueLeafNodesParse() { + assertParsesTo("a in [b]", "a in [b]"); + assertParsesTo("0 in [1]", "0 in [1]"); + assertParsesTo("in in [and, in]", "in in [in, and]"); + assertParsesTo("a in [b, c, d, e, f]", "'a' in ['b', 'c', 'd', 'e', 'f']"); + } + + @Test + public void requireThatBothSingleAndDoubleQuotesWork() { + assertParsesTo("a in [b]", "'a' in ['b']"); + assertParsesTo("a in [b]", "\"a\" in [\"b\"]"); + assertParsesTo("'a\\x27' in [b]", "'a\\'' in ['b']"); + assertParsesTo("'a\"' in [b]", "\"a\\\"\" in [\"b\"]"); + } + + @Test + public void requireThatRangeLeafNodesParse() { + assertParsesTo("a in [0..100]", "a in [0..100]"); + assertParsesTo("0 in [..100]", "0 in [..100]"); + assertParsesTo("0 in [0..]", "0 in [0..]"); + assertParsesTo("0 in [..]", "0 in [..]"); + assertParsesTo("a in [-100..100]", "a in [-100..+100]"); + assertParsesTo("a in [-9223372036854775808..9223372036854775807]", + "a in [-9223372036854775808..+9223372036854775807]"); + } + + @Test + public void requireThatRangePartitionsAreIgnored() { + assertParsesTo("a in [0..100]", "a in [0..100 (a=0-99,a=100+[..0])]"); + assertParsesTo("a in [-100..0]", "a in [-100..0 (a=-0-99,a=-100+[..0])]"); + assertParsesTo("a in [-9223372036854775808..0]", "a in [-9223372036854775808..0 (a=-0-9223372036854775808)]"); + assertParsesTo("a in [2..8]", "a in [2..8 (a=0+[2..8])]"); + assertParsesTo("a in [0..8]", "a in [0..8 (a=0+[..8])]"); + assertParsesTo("a in [2..9]", "a in [2..9 (a=0+[2..])]"); + } + + @Test + public void requireThatNotInSetWorks() { + assertParsesTo("a not in [b]", "a not in [b]"); + } + + @Test + public void requireThatConjunctionWorks() { + assertParsesTo("a in [b] and c in [d]", "a in [b] and c in [d]"); + assertParsesTo("a in [b] and c in [d] and e in [f]", "a in [b] and c in [d] and e in [f]"); + } + + @Test + public void requireThatDisjunctionWorks() { + assertParsesTo("a in [b] or c in [d]", "a in [b] or c in [d]"); + assertParsesTo("a in [b] or c in [d] or e in [f]", "a in [b] or c in [d] or e in [f]"); + } + + @Test + public void requireThatParenthesesWorks() { + assertParsesTo("a in [b] or c in [d]", + "(a in [b]) or (c in [d])"); + assertParsesTo("a in [b] or c in [d] or e in [f]", + "(((a in [b]) or c in [d]) or e in [f])"); + assertParsesTo("(a in [b] and c in [d]) or e in [f]", + "a in [b] and c in [d] or e in [f]"); + assertParsesTo("a in [b] and (c in [d] or e in [f])", + "a in [b] and (c in [d] or e in [f])"); + assertParsesTo("a in [b] and (c in [d] or e in [f]) and g in [h]", + "a in [b] and (c in [d] or e in [f]) and g in [h]"); + } + + @Test + public void requireThatNotOutsideParenthesesWorks() { + assertParsesTo("a not in [b]", "not (a in [b])"); + } + + @Test + public void requireThatConjunctionsCanGetMoreThanTwoChildren() { + Predicate p = Predicate.fromString("a in [b] and c in [d] and e in [f] and g in [h]"); + assertTrue(p instanceof Conjunction); + assertEquals(4, ((Conjunction)p).getOperands().size()); + } + + @Test + public void requireThatDisjunctionsCanGetMoreThanTwoChildren() { + Predicate p = Predicate.fromString("a in [b] or c in [d] or e in [f] or g in [h]"); + assertTrue(p instanceof Disjunction); + assertEquals(4, ((Disjunction)p).getOperands().size()); + } + + @Test + public void requireThatBooleanCanBeParsed() { + assertParsesTo("true", "true"); + assertParsesTo("false", "false"); + assertParsesTo("true or false", "true or false"); + assertParsesTo("false and true", "false and true"); + } + + private static void assertParsesTo(String expected, String predicate_str) { + assertEquals(expected, // TODO: Predicate.fromString(expected) + Predicate.fromString(predicate_str).toString()); + } +} |