Viewing file:  LexerTest.php (8.83 KB) -rw-r--r--
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<?php
namespace PhpParser;
use PhpParser\Parser\Tokens;
class LexerTest extends \PHPUnit_Framework_TestCase
{
/* To allow overwriting in parent class */
protected function getLexer(array $options = array()) {
return new Lexer($options);
}
/**
* @dataProvider provideTestError
*/
public function testError($code, $message) {
if (defined('HHVM_VERSION')) {
$this->markTestSkipped('HHVM does not throw warnings from token_get_all()');
}
$lexer = $this->getLexer();
try {
$lexer->startLexing($code);
} catch (Error $e) {
$this->assertSame($message, $e->getMessage());
return;
}
$this->fail('Expected PhpParser\Error');
}
public function provideTestError() {
return array(
array('<?php /*', 'Unterminated comment on line 1'),
array('<?php ' . "\1", 'Unexpected character "' . "\1" . '" (ASCII 1) on unknown line'),
array('<?php ' . "\0", 'Unexpected null byte on unknown line'),
);
}
/**
* @dataProvider provideTestLex
*/
public function testLex($code, $options, $tokens) {
$lexer = $this->getLexer($options);
$lexer->startLexing($code);
while ($id = $lexer->getNextToken($value, $startAttributes, $endAttributes)) {
$token = array_shift($tokens);
$this->assertSame($token[0], $id);
$this->assertSame($token[1], $value);
$this->assertEquals($token[2], $startAttributes);
$this->assertEquals($token[3], $endAttributes);
}
}
public function provideTestLex() {
return array(
// tests conversion of closing PHP tag and drop of whitespace and opening tags
array(
'<?php tokens ?>plaintext',
array(),
array(
array(
Tokens::T_STRING, 'tokens',
array('startLine' => 1), array('endLine' => 1)
),
array(
ord(';'), '?>',
array('startLine' => 1), array('endLine' => 1)
),
array(
Tokens::T_INLINE_HTML, 'plaintext',
array('startLine' => 1), array('endLine' => 1)
),
)
),
// tests line numbers
array(
'<?php' . "\n" . '$ token /** doc' . "\n" . 'comment */ $',
array(),
array(
array(
ord('$'), '$',
array('startLine' => 2), array('endLine' => 2)
),
array(
Tokens::T_STRING, 'token',
array('startLine' => 2), array('endLine' => 2)
),
array(
ord('$'), '$',
array(
'startLine' => 3,
'comments' => array(
new Comment\Doc('/** doc' . "\n" . 'comment */', 2, 14),
)
),
array('endLine' => 3)
),
)
),
// tests comment extraction
array(
'<?php /* comment */ // comment' . "\n" . '/** docComment 1 *//** docComment 2 */ token',
array(),
array(
array(
Tokens::T_STRING, 'token',
array(
'startLine' => 2,
'comments' => array(
new Comment('/* comment */', 1, 6),
new Comment('// comment' . "\n", 1, 20),
new Comment\Doc('/** docComment 1 */', 2, 31),
new Comment\Doc('/** docComment 2 */', 2, 50),
),
),
array('endLine' => 2)
),
)
),
// tests differing start and end line
array(
'<?php "foo' . "\n" . 'bar"',
array(),
array(
array(
Tokens::T_CONSTANT_ENCAPSED_STRING, '"foo' . "\n" . 'bar"',
array('startLine' => 1), array('endLine' => 2)
),
)
),
// tests exact file offsets
array(
'<?php "a";' . "\n" . '// foo' . "\n" . '"b";',
array('usedAttributes' => array('startFilePos', 'endFilePos')),
array(
array(
Tokens::T_CONSTANT_ENCAPSED_STRING, '"a"',
array('startFilePos' => 6), array('endFilePos' => 8)
),
array(
ord(';'), ';',
array('startFilePos' => 9), array('endFilePos' => 9)
),
array(
Tokens::T_CONSTANT_ENCAPSED_STRING, '"b"',
array('startFilePos' => 18), array('endFilePos' => 20)
),
array(
ord(';'), ';',
array('startFilePos' => 21), array('endFilePos' => 21)
),
)
),
// tests token offsets
array(
'<?php "a";' . "\n" . '// foo' . "\n" . '"b";',
array('usedAttributes' => array('startTokenPos', 'endTokenPos')),
array(
array(
Tokens::T_CONSTANT_ENCAPSED_STRING, '"a"',
array('startTokenPos' => 1), array('endTokenPos' => 1)
),
array(
ord(';'), ';',
array('startTokenPos' => 2), array('endTokenPos' => 2)
),
array(
Tokens::T_CONSTANT_ENCAPSED_STRING, '"b"',
array('startTokenPos' => 5), array('endTokenPos' => 5)
),
array(
ord(';'), ';',
array('startTokenPos' => 6), array('endTokenPos' => 6)
),
)
),
// tests all attributes being disabled
array(
'<?php /* foo */ $bar;',
array('usedAttributes' => array()),
array(
array(
Tokens::T_VARIABLE, '$bar',
array(), array()
),
array(
ord(';'), ';',
array(), array()
)
)
)
);
}
/**
* @dataProvider provideTestHaltCompiler
*/
public function testHandleHaltCompiler($code, $remaining) {
$lexer = $this->getLexer();
$lexer->startLexing($code);
while (Tokens::T_HALT_COMPILER !== $lexer->getNextToken());
$this->assertSame($remaining, $lexer->handleHaltCompiler());
$this->assertSame(0, $lexer->getNextToken());
}
public function provideTestHaltCompiler() {
return array(
array('<?php ... __halt_compiler();Remaining Text', 'Remaining Text'),
array('<?php ... __halt_compiler ( ) ;Remaining Text', 'Remaining Text'),
array('<?php ... __halt_compiler() ?>Remaining Text', 'Remaining Text'),
//array('<?php ... __halt_compiler();' . "\0", "\0"),
//array('<?php ... __halt_compiler /* */ ( ) ;Remaining Text', 'Remaining Text'),
);
}
/**
* @expectedException \PhpParser\Error
* @expectedExceptionMessage __HALT_COMPILER must be followed by "();"
*/
public function testHandleHaltCompilerError() {
$lexer = $this->getLexer();
$lexer->startLexing('<?php ... __halt_compiler invalid ();');
while (Tokens::T_HALT_COMPILER !== $lexer->getNextToken());
$lexer->handleHaltCompiler();
}
public function testGetTokens() {
$code = '<?php "a";' . "\n" . '// foo' . "\n" . '"b";';
$expectedTokens = array(
array(T_OPEN_TAG, '<?php ', 1),
array(T_CONSTANT_ENCAPSED_STRING, '"a"', 1),
';',
array(T_WHITESPACE, "\n", 1),
array(T_COMMENT, '// foo' . "\n", 2),
array(T_CONSTANT_ENCAPSED_STRING, '"b"', 3),
';',
);
$lexer = $this->getLexer();
$lexer->startLexing($code);
$this->assertSame($expectedTokens, $lexer->getTokens());
}
}
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