266 lines
9.7 KiB
PHP
266 lines
9.7 KiB
PHP
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<?php
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namespace PhpParser;
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use PhpParser\Parser\Tokens;
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class LexerTest extends \PHPUnit_Framework_TestCase
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{
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/* To allow overwriting in parent class */
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protected function getLexer(array $options = array()) {
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return new Lexer($options);
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}
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/**
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* @dataProvider provideTestError
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*/
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public function testError($code, $messages) {
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if (defined('HHVM_VERSION')) {
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$this->markTestSkipped('HHVM does not throw warnings from token_get_all()');
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}
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$errorHandler = new ErrorHandler\Collecting();
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$lexer = $this->getLexer(['usedAttributes' => [
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'comments', 'startLine', 'endLine', 'startFilePos', 'endFilePos'
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]]);
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$lexer->startLexing($code, $errorHandler);
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$errors = $errorHandler->getErrors();
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$this->assertSame(count($messages), count($errors));
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for ($i = 0; $i < count($messages); $i++) {
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$this->assertSame($messages[$i], $errors[$i]->getMessageWithColumnInfo($code));
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}
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}
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public function provideTestError() {
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return array(
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array("<?php /*", array("Unterminated comment from 1:7 to 1:9")),
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array("<?php \1", array("Unexpected character \"\1\" (ASCII 1) from 1:7 to 1:7")),
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array("<?php \0", array("Unexpected null byte from 1:7 to 1:7")),
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// Error with potentially emulated token
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array("<?php ?? \0", array("Unexpected null byte from 1:10 to 1:10")),
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array("<?php\n\0\1 foo /* bar", array(
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"Unexpected null byte from 2:1 to 2:1",
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"Unexpected character \"\1\" (ASCII 1) from 2:2 to 2:2",
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"Unterminated comment from 2:8 to 2:14"
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)),
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);
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}
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/**
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* @dataProvider provideTestLex
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*/
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public function testLex($code, $options, $tokens) {
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$lexer = $this->getLexer($options);
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$lexer->startLexing($code);
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while ($id = $lexer->getNextToken($value, $startAttributes, $endAttributes)) {
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$token = array_shift($tokens);
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$this->assertSame($token[0], $id);
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$this->assertSame($token[1], $value);
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$this->assertEquals($token[2], $startAttributes);
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$this->assertEquals($token[3], $endAttributes);
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}
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}
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public function provideTestLex() {
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return array(
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// tests conversion of closing PHP tag and drop of whitespace and opening tags
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array(
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'<?php tokens ?>plaintext',
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array(),
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array(
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array(
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Tokens::T_STRING, 'tokens',
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array('startLine' => 1), array('endLine' => 1)
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),
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array(
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ord(';'), '?>',
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array('startLine' => 1), array('endLine' => 1)
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),
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array(
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Tokens::T_INLINE_HTML, 'plaintext',
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array('startLine' => 1, 'hasLeadingNewline' => false),
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array('endLine' => 1)
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),
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)
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),
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// tests line numbers
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array(
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'<?php' . "\n" . '$ token /** doc' . "\n" . 'comment */ $',
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array(),
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array(
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array(
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ord('$'), '$',
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array('startLine' => 2), array('endLine' => 2)
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),
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array(
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Tokens::T_STRING, 'token',
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array('startLine' => 2), array('endLine' => 2)
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),
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array(
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ord('$'), '$',
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array(
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'startLine' => 3,
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'comments' => array(
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new Comment\Doc('/** doc' . "\n" . 'comment */', 2, 14),
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)
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),
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array('endLine' => 3)
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),
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)
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),
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// tests comment extraction
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array(
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'<?php /* comment */ // comment' . "\n" . '/** docComment 1 *//** docComment 2 */ token',
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array(),
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array(
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array(
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Tokens::T_STRING, 'token',
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array(
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'startLine' => 2,
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'comments' => array(
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new Comment('/* comment */', 1, 6),
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new Comment('// comment' . "\n", 1, 20),
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new Comment\Doc('/** docComment 1 */', 2, 31),
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new Comment\Doc('/** docComment 2 */', 2, 50),
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),
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),
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array('endLine' => 2)
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),
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)
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),
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// tests differing start and end line
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array(
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'<?php "foo' . "\n" . 'bar"',
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array(),
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array(
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array(
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Tokens::T_CONSTANT_ENCAPSED_STRING, '"foo' . "\n" . 'bar"',
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array('startLine' => 1), array('endLine' => 2)
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),
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)
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),
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// tests exact file offsets
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array(
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'<?php "a";' . "\n" . '// foo' . "\n" . '"b";',
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array('usedAttributes' => array('startFilePos', 'endFilePos')),
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array(
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array(
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Tokens::T_CONSTANT_ENCAPSED_STRING, '"a"',
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array('startFilePos' => 6), array('endFilePos' => 8)
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),
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array(
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ord(';'), ';',
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array('startFilePos' => 9), array('endFilePos' => 9)
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),
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array(
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Tokens::T_CONSTANT_ENCAPSED_STRING, '"b"',
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array('startFilePos' => 18), array('endFilePos' => 20)
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),
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array(
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ord(';'), ';',
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array('startFilePos' => 21), array('endFilePos' => 21)
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),
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)
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),
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// tests token offsets
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array(
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'<?php "a";' . "\n" . '// foo' . "\n" . '"b";',
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array('usedAttributes' => array('startTokenPos', 'endTokenPos')),
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array(
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array(
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Tokens::T_CONSTANT_ENCAPSED_STRING, '"a"',
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array('startTokenPos' => 1), array('endTokenPos' => 1)
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),
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array(
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ord(';'), ';',
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array('startTokenPos' => 2), array('endTokenPos' => 2)
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),
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array(
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Tokens::T_CONSTANT_ENCAPSED_STRING, '"b"',
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array('startTokenPos' => 5), array('endTokenPos' => 5)
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),
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array(
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ord(';'), ';',
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array('startTokenPos' => 6), array('endTokenPos' => 6)
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),
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)
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),
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// tests all attributes being disabled
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array(
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'<?php /* foo */ $bar;',
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array('usedAttributes' => array()),
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array(
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array(
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Tokens::T_VARIABLE, '$bar',
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array(), array()
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),
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array(
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ord(';'), ';',
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array(), array()
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)
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)
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),
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// tests no tokens
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array(
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'',
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array(),
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array()
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),
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);
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}
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/**
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* @dataProvider provideTestHaltCompiler
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*/
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public function testHandleHaltCompiler($code, $remaining) {
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$lexer = $this->getLexer();
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$lexer->startLexing($code);
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while (Tokens::T_HALT_COMPILER !== $lexer->getNextToken());
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$this->assertSame($remaining, $lexer->handleHaltCompiler());
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$this->assertSame(0, $lexer->getNextToken());
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}
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public function provideTestHaltCompiler() {
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return array(
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array('<?php ... __halt_compiler();Remaining Text', 'Remaining Text'),
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array('<?php ... __halt_compiler ( ) ;Remaining Text', 'Remaining Text'),
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array('<?php ... __halt_compiler() ?>Remaining Text', 'Remaining Text'),
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//array('<?php ... __halt_compiler();' . "\0", "\0"),
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//array('<?php ... __halt_compiler /* */ ( ) ;Remaining Text', 'Remaining Text'),
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);
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}
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/**
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* @expectedException \PhpParser\Error
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* @expectedExceptionMessage __HALT_COMPILER must be followed by "();"
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*/
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public function testHandleHaltCompilerError() {
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$lexer = $this->getLexer();
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$lexer->startLexing('<?php ... __halt_compiler invalid ();');
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while (Tokens::T_HALT_COMPILER !== $lexer->getNextToken());
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$lexer->handleHaltCompiler();
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}
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public function testGetTokens() {
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$code = '<?php "a";' . "\n" . '// foo' . "\n" . '"b";';
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$expectedTokens = array(
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array(T_OPEN_TAG, '<?php ', 1),
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array(T_CONSTANT_ENCAPSED_STRING, '"a"', 1),
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';',
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array(T_WHITESPACE, "\n", 1),
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array(T_COMMENT, '// foo' . "\n", 2),
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array(T_CONSTANT_ENCAPSED_STRING, '"b"', 3),
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';',
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);
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$lexer = $this->getLexer();
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$lexer->startLexing($code);
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$this->assertSame($expectedTokens, $lexer->getTokens());
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}
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}
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