XMLDB/simpletest/test/parser_test.php

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<?php
// $Id: parser_test.php 1608 2007-12-27 09:03:07Z pp11 $
require_once(dirname(__FILE__) . '/../autorun.php');
require_once(dirname(__FILE__) . '/../parser.php');
Mock::generate('SimpleHtmlSaxParser');
Mock::generate('SimpleSaxListener');
class TestOfParallelRegex extends UnitTestCase {
function testNoPatterns() {
$regex = &new ParallelRegex(false);
$this->assertFalse($regex->match("Hello", $match));
$this->assertEqual($match, "");
}
function testNoSubject() {
$regex = &new ParallelRegex(false);
$regex->addPattern(".*");
$this->assertTrue($regex->match("", $match));
$this->assertEqual($match, "");
}
function testMatchAll() {
$regex = &new ParallelRegex(false);
$regex->addPattern(".*");
$this->assertTrue($regex->match("Hello", $match));
$this->assertEqual($match, "Hello");
}
function testCaseSensitive() {
$regex = &new ParallelRegex(true);
$regex->addPattern("abc");
$this->assertTrue($regex->match("abcdef", $match));
$this->assertEqual($match, "abc");
$this->assertTrue($regex->match("AAABCabcdef", $match));
$this->assertEqual($match, "abc");
}
function testCaseInsensitive() {
$regex = &new ParallelRegex(false);
$regex->addPattern("abc");
$this->assertTrue($regex->match("abcdef", $match));
$this->assertEqual($match, "abc");
$this->assertTrue($regex->match("AAABCabcdef", $match));
$this->assertEqual($match, "ABC");
}
function testMatchMultiple() {
$regex = &new ParallelRegex(true);
$regex->addPattern("abc");
$regex->addPattern("ABC");
$this->assertTrue($regex->match("abcdef", $match));
$this->assertEqual($match, "abc");
$this->assertTrue($regex->match("AAABCabcdef", $match));
$this->assertEqual($match, "ABC");
$this->assertFalse($regex->match("Hello", $match));
}
function testPatternLabels() {
$regex = &new ParallelRegex(false);
$regex->addPattern("abc", "letter");
$regex->addPattern("123", "number");
$this->assertIdentical($regex->match("abcdef", $match), "letter");
$this->assertEqual($match, "abc");
$this->assertIdentical($regex->match("0123456789", $match), "number");
$this->assertEqual($match, "123");
}
}
class TestOfStateStack extends UnitTestCase {
function testStartState() {
$stack = &new SimpleStateStack("one");
$this->assertEqual($stack->getCurrent(), "one");
}
function testExhaustion() {
$stack = &new SimpleStateStack("one");
$this->assertFalse($stack->leave());
}
function testStateMoves() {
$stack = &new SimpleStateStack("one");
$stack->enter("two");
$this->assertEqual($stack->getCurrent(), "two");
$stack->enter("three");
$this->assertEqual($stack->getCurrent(), "three");
$this->assertTrue($stack->leave());
$this->assertEqual($stack->getCurrent(), "two");
$stack->enter("third");
$this->assertEqual($stack->getCurrent(), "third");
$this->assertTrue($stack->leave());
$this->assertTrue($stack->leave());
$this->assertEqual($stack->getCurrent(), "one");
}
}
class TestParser {
function accept() {
}
function a() {
}
function b() {
}
}
Mock::generate('TestParser');
class TestOfLexer extends UnitTestCase {
function testEmptyPage() {
$handler = &new MockTestParser();
$handler->expectNever("accept");
$handler->setReturnValue("accept", true);
$handler->expectNever("accept");
$handler->setReturnValue("accept", true);
$lexer = &new SimpleLexer($handler);
$lexer->addPattern("a+");
$this->assertTrue($lexer->parse(""));
}
function testSinglePattern() {
$handler = &new MockTestParser();
$handler->expectArgumentsAt(0, "accept", array("aaa", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "accept", array("x", LEXER_UNMATCHED));
$handler->expectArgumentsAt(2, "accept", array("a", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "accept", array("yyy", LEXER_UNMATCHED));
$handler->expectArgumentsAt(4, "accept", array("a", LEXER_MATCHED));
$handler->expectArgumentsAt(5, "accept", array("x", LEXER_UNMATCHED));
$handler->expectArgumentsAt(6, "accept", array("aaa", LEXER_MATCHED));
$handler->expectArgumentsAt(7, "accept", array("z", LEXER_UNMATCHED));
$handler->expectCallCount("accept", 8);
$handler->setReturnValue("accept", true);
$lexer = &new SimpleLexer($handler);
$lexer->addPattern("a+");
$this->assertTrue($lexer->parse("aaaxayyyaxaaaz"));
}
function testMultiplePattern() {
$handler = &new MockTestParser();
$target = array("a", "b", "a", "bb", "x", "b", "a", "xxxxxx", "a", "x");
for ($i = 0; $i < count($target); $i++) {
$handler->expectArgumentsAt($i, "accept", array($target[$i], '*'));
}
$handler->expectCallCount("accept", count($target));
$handler->setReturnValue("accept", true);
$lexer = &new SimpleLexer($handler);
$lexer->addPattern("a+");
$lexer->addPattern("b+");
$this->assertTrue($lexer->parse("ababbxbaxxxxxxax"));
}
}
class TestOfLexerModes extends UnitTestCase {
function testIsolatedPattern() {
$handler = &new MockTestParser();
$handler->expectArgumentsAt(0, "a", array("a", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array("b", LEXER_UNMATCHED));
$handler->expectArgumentsAt(2, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "a", array("bxb", LEXER_UNMATCHED));
$handler->expectArgumentsAt(4, "a", array("aaa", LEXER_MATCHED));
$handler->expectArgumentsAt(5, "a", array("x", LEXER_UNMATCHED));
$handler->expectArgumentsAt(6, "a", array("aaaa", LEXER_MATCHED));
$handler->expectArgumentsAt(7, "a", array("x", LEXER_UNMATCHED));
$handler->expectCallCount("a", 8);
$handler->setReturnValue("a", true);
$lexer = &new SimpleLexer($handler, "a");
$lexer->addPattern("a+", "a");
$lexer->addPattern("b+", "b");
$this->assertTrue($lexer->parse("abaabxbaaaxaaaax"));
}
function testModeChange() {
$handler = &new MockTestParser();
$handler->expectArgumentsAt(0, "a", array("a", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array("b", LEXER_UNMATCHED));
$handler->expectArgumentsAt(2, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "a", array("b", LEXER_UNMATCHED));
$handler->expectArgumentsAt(4, "a", array("aaa", LEXER_MATCHED));
$handler->expectArgumentsAt(0, "b", array(":", LEXER_ENTER));
$handler->expectArgumentsAt(1, "b", array("a", LEXER_UNMATCHED));
$handler->expectArgumentsAt(2, "b", array("b", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "b", array("a", LEXER_UNMATCHED));
$handler->expectArgumentsAt(4, "b", array("bb", LEXER_MATCHED));
$handler->expectArgumentsAt(5, "b", array("a", LEXER_UNMATCHED));
$handler->expectArgumentsAt(6, "b", array("bbb", LEXER_MATCHED));
$handler->expectArgumentsAt(7, "b", array("a", LEXER_UNMATCHED));
$handler->expectCallCount("a", 5);
$handler->expectCallCount("b", 8);
$handler->setReturnValue("a", true);
$handler->setReturnValue("b", true);
$lexer = &new SimpleLexer($handler, "a");
$lexer->addPattern("a+", "a");
$lexer->addEntryPattern(":", "a", "b");
$lexer->addPattern("b+", "b");
$this->assertTrue($lexer->parse("abaabaaa:ababbabbba"));
}
function testNesting() {
$handler = &new MockTestParser();
$handler->setReturnValue("a", true);
$handler->setReturnValue("b", true);
$handler->expectArgumentsAt(0, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array("b", LEXER_UNMATCHED));
$handler->expectArgumentsAt(2, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "a", array("b", LEXER_UNMATCHED));
$handler->expectArgumentsAt(0, "b", array("(", LEXER_ENTER));
$handler->expectArgumentsAt(1, "b", array("bb", LEXER_MATCHED));
$handler->expectArgumentsAt(2, "b", array("a", LEXER_UNMATCHED));
$handler->expectArgumentsAt(3, "b", array("bb", LEXER_MATCHED));
$handler->expectArgumentsAt(4, "b", array(")", LEXER_EXIT));
$handler->expectArgumentsAt(4, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(5, "a", array("b", LEXER_UNMATCHED));
$handler->expectCallCount("a", 6);
$handler->expectCallCount("b", 5);
$lexer = &new SimpleLexer($handler, "a");
$lexer->addPattern("a+", "a");
$lexer->addEntryPattern("(", "a", "b");
$lexer->addPattern("b+", "b");
$lexer->addExitPattern(")", "b");
$this->assertTrue($lexer->parse("aabaab(bbabb)aab"));
}
function testSingular() {
$handler = &new MockTestParser();
$handler->setReturnValue("a", true);
$handler->setReturnValue("b", true);
$handler->expectArgumentsAt(0, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(2, "a", array("xx", LEXER_UNMATCHED));
$handler->expectArgumentsAt(3, "a", array("xx", LEXER_UNMATCHED));
$handler->expectArgumentsAt(0, "b", array("b", LEXER_SPECIAL));
$handler->expectArgumentsAt(1, "b", array("bbb", LEXER_SPECIAL));
$handler->expectCallCount("a", 4);
$handler->expectCallCount("b", 2);
$lexer = &new SimpleLexer($handler, "a");
$lexer->addPattern("a+", "a");
$lexer->addSpecialPattern("b+", "a", "b");
$this->assertTrue($lexer->parse("aabaaxxbbbxx"));
}
function testUnwindTooFar() {
$handler = &new MockTestParser();
$handler->setReturnValue("a", true);
$handler->expectArgumentsAt(0, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array(")", LEXER_EXIT));
$handler->expectCallCount("a", 2);
$lexer = &new SimpleLexer($handler, "a");
$lexer->addPattern("a+", "a");
$lexer->addExitPattern(")", "a");
$this->assertFalse($lexer->parse("aa)aa"));
}
}
class TestOfLexerHandlers extends UnitTestCase {
function testModeMapping() {
$handler = &new MockTestParser();
$handler->setReturnValue("a", true);
$handler->expectArgumentsAt(0, "a", array("aa", LEXER_MATCHED));
$handler->expectArgumentsAt(1, "a", array("(", LEXER_ENTER));
$handler->expectArgumentsAt(2, "a", array("bb", LEXER_MATCHED));
$handler->expectArgumentsAt(3, "a", array("a", LEXER_UNMATCHED));
$handler->expectArgumentsAt(4, "a", array("bb", LEXER_MATCHED));
$handler->expectArgumentsAt(5, "a", array(")", LEXER_EXIT));
$handler->expectArgumentsAt(6, "a", array("b", LEXER_UNMATCHED));
$handler->expectCallCount("a", 7);
$lexer = &new SimpleLexer($handler, "mode_a");
$lexer->addPattern("a+", "mode_a");
$lexer->addEntryPattern("(", "mode_a", "mode_b");
$lexer->addPattern("b+", "mode_b");
$lexer->addExitPattern(")", "mode_b");
$lexer->mapHandler("mode_a", "a");
$lexer->mapHandler("mode_b", "a");
$this->assertTrue($lexer->parse("aa(bbabb)b"));
}
}
class TestOfSimpleHtmlLexer extends UnitTestCase {
function &createParser() {
$parser = &new MockSimpleHtmlSaxParser();
$parser->setReturnValue('acceptStartToken', true);
$parser->setReturnValue('acceptEndToken', true);
$parser->setReturnValue('acceptAttributeToken', true);
$parser->setReturnValue('acceptEntityToken', true);
$parser->setReturnValue('acceptTextToken', true);
$parser->setReturnValue('ignore', true);
return $parser;
}
function testNoContent() {
$parser = &$this->createParser();
$parser->expectNever('acceptStartToken');
$parser->expectNever('acceptEndToken');
$parser->expectNever('acceptAttributeToken');
$parser->expectNever('acceptEntityToken');
$parser->expectNever('acceptTextToken');
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse(''));
}
function testUninteresting() {
$parser = &$this->createParser();
$parser->expectOnce('acceptTextToken', array('<html></html>', '*'));
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse('<html></html>'));
}
function testSkipCss() {
$parser = &$this->createParser();
$parser->expectNever('acceptTextToken');
$parser->expectAtLeastOnce('ignore');
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse("<style>Lot's of styles</style>"));
}
function testSkipJavaScript() {
$parser = &$this->createParser();
$parser->expectNever('acceptTextToken');
$parser->expectAtLeastOnce('ignore');
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse("<SCRIPT>Javascript code {';:^%^%<25>$'@\"*(}</SCRIPT>"));
}
function testSkipHtmlComments() {
$parser = &$this->createParser();
$parser->expectNever('acceptTextToken');
$parser->expectAtLeastOnce('ignore');
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse("<!-- <title>title</title><style>styles</style> -->"));
}
function testTagWithNoAttributes() {
$parser = &$this->createParser();
$parser->expectAt(0, 'acceptStartToken', array('<title', '*'));
$parser->expectAt(1, 'acceptStartToken', array('>', '*'));
$parser->expectCallCount('acceptStartToken', 2);
$parser->expectOnce('acceptTextToken', array('Hello', '*'));
$parser->expectOnce('acceptEndToken', array('</title>', '*'));
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse('<title>Hello</title>'));
}
function testTagWithAttributes() {
$parser = &$this->createParser();
$parser->expectOnce('acceptTextToken', array('label', '*'));
$parser->expectAt(0, 'acceptStartToken', array('<a', '*'));
$parser->expectAt(1, 'acceptStartToken', array('href', '*'));
$parser->expectAt(2, 'acceptStartToken', array('>', '*'));
$parser->expectCallCount('acceptStartToken', 3);
$parser->expectAt(0, 'acceptAttributeToken', array('= "', '*'));
$parser->expectAt(1, 'acceptAttributeToken', array('here.html', '*'));
$parser->expectAt(2, 'acceptAttributeToken', array('"', '*'));
$parser->expectCallCount('acceptAttributeToken', 3);
$parser->expectOnce('acceptEndToken', array('</a>', '*'));
$lexer = &new SimpleHtmlLexer($parser);
$this->assertTrue($lexer->parse('<a href = "here.html">label</a>'));
}
}
class TestOfHtmlSaxParser extends UnitTestCase {
function &createListener() {
$listener = &new MockSimpleSaxListener();
$listener->setReturnValue('startElement', true);
$listener->setReturnValue('addContent', true);
$listener->setReturnValue('endElement', true);
return $listener;
}
function testFramesetTag() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('frameset', array()));
$listener->expectOnce('addContent', array('Frames'));
$listener->expectOnce('endElement', array('frameset'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<frameset>Frames</frameset>'));
}
function testTagWithUnquotedAttributes() {
$listener = &$this->createListener();
$listener->expectOnce(
'startElement',
array('input', array('name' => 'a.b.c', 'value' => 'd')));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<input name=a.b.c value = d>'));
}
function testTagInsideContent() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('a', array()));
$listener->expectAt(0, 'addContent', array('<html>'));
$listener->expectAt(1, 'addContent', array('</html>'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<html><a></a></html>'));
}
function testTagWithInternalContent() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('a', array()));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('a'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<a>label</a>'));
}
function testLinkAddress() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('a', array('href' => 'here.html')));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('a'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse("<a href = 'here.html'>label</a>"));
}
function testEncodedAttribute() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('a', array('href' => 'here&there.html')));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('a'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse("<a href = 'here&amp;there.html'>label</a>"));
}
function testTagWithId() {
$listener = &$this->createListener();
$listener->expectOnce('startElement', array('a', array('id' => '0')));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('a'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<a id="0">label</a>'));
}
function testTagWithEmptyAttributes() {
$listener = &$this->createListener();
$listener->expectOnce(
'startElement',
array('option', array('value' => '', 'selected' => '')));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('option'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<option value="" selected>label</option>'));
}
function testComplexTagWithLotsOfCaseVariations() {
$listener = &$this->createListener();
$listener->expectOnce(
'startElement',
array('a', array('href' => 'here.html', 'style' => "'cool'")));
$listener->expectOnce('addContent', array('label'));
$listener->expectOnce('endElement', array('a'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<A HREF = \'here.html\' Style="\'cool\'">label</A>'));
}
function testXhtmlSelfClosingTag() {
$listener = &$this->createListener();
$listener->expectOnce(
'startElement',
array('input', array('type' => 'submit', 'name' => 'N', 'value' => 'V')));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse('<input type="submit" name="N" value="V" />'));
}
function testNestedFrameInFrameset() {
$listener = &$this->createListener();
$listener->expectAt(0, 'startElement', array('frameset', array()));
$listener->expectAt(1, 'startElement', array('frame', array('src' => 'frame.html')));
$listener->expectCallCount('startElement', 2);
$listener->expectOnce('addContent', array('<noframes>Hello</noframes>'));
$listener->expectOnce('endElement', array('frameset'));
$parser = &new SimpleHtmlSaxParser($listener);
$this->assertTrue($parser->parse(
'<frameset><frame src="frame.html"><noframes>Hello</noframes></frameset>'));
}
}
class TestOfTextExtraction extends UnitTestCase {
function testImageSuppressionWhileKeepingParagraphsAndAltText() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<img src="foo.png" /><p>some text</p><img src="bar.png" alt="bar" />'),
'some text bar');
}
function testSpaceNormalisation() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise("\nOne\tTwo \nThree\t"),
'One Two Three');
}
function testMultilinesCommentSuppression() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<!--\n Hello \n-->'),
'');
}
function testCommentSuppression() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<!--Hello-->'),
'');
}
function testJavascriptSuppression() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<script attribute="test">\nHello\n</script>'),
'');
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<script attribute="test">Hello</script>'),
'');
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<script>Hello</script>'),
'');
}
function testTagSuppression() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<b>Hello</b>'),
'Hello');
}
function testAdjoiningTagSuppression() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<b>Hello</b><em>Goodbye</em>'),
'HelloGoodbye');
}
function testExtractImageAltTextWithDifferentQuotes() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<img alt="One"><img alt=\'Two\'><img alt=Three>'),
'One Two Three');
}
function testExtractImageAltTextMultipleTimes() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('<img alt="One"><img alt="Two"><img alt="Three">'),
'One Two Three');
}
function testHtmlEntityTranslation() {
$this->assertEqual(
SimpleHtmlSaxParser::normalise('&lt;&gt;&quot;&amp;&#039;'),
'<>"&\'');
}
}
?>