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<?php
require_once __DIR__ . '/NewParserTest.php';
/**
* The UnitTest must be either a class that inherits from MediaWikiTestCase
* or a class that provides a public static suite() method which returns
* an PHPUnit_Framework_Test object
*
* @group Parser
* @group ParserTests
* @group Database
*/
class MediaWikiParserTest {
/**
* @defgroup filtering_constants Filtering constants
*
* Limit inclusion of parser tests files coming from MediaWiki core
* @{
*/
/** Include files shipped with MediaWiki core */
const CORE_ONLY = 1;
/** Include non core files as set in $wgParserTestFiles */
const NO_CORE = 2;
/** Include anything set via $wgParserTestFiles */
const WITH_ALL = 3; # CORE_ONLY | NO_CORE
/** @} */
/**
* Get a PHPUnit test suite of parser tests. Optionally filtered with
* $flags.
*
* @par Examples:
* Get a suite of parser tests shipped by MediaWiki core:
* @code
* MediaWikiParserTest::suite( MediaWikiParserTest::CORE_ONLY );
* @endcode
* Get a suite of various parser tests, like extensions:
* @code
* MediaWikiParserTest::suite( MediaWikiParserTest::NO_CORE );
* @endcode
* Get any test defined via $wgParserTestFiles:
* @code
* MediaWikiParserTest::suite( MediaWikiParserTest::WITH_ALL );
* @endcode
*
* @param int $flags Bitwise flag to filter out the $wgParserTestFiles that
* will be included. Default: MediaWikiParserTest::CORE_ONLY
*
* @return PHPUnit_Framework_TestSuite
*/
public static function suite( $flags = self::CORE_ONLY ) {
if ( is_string( $flags ) ) {
$flags = self::CORE_ONLY;
}
global $wgParserTestFiles, $IP;
$mwTestDir = $IP . '/tests/';
# Human friendly helpers
$wantsCore = ( $flags & self::CORE_ONLY );
$wantsRest = ( $flags & self::NO_CORE );
# Will hold the .txt parser test files we will include
$filesToTest = array();
# Filter out .txt files
foreach ( $wgParserTestFiles as $parserTestFile ) {
$isCore = ( 0 === strpos( $parserTestFile, $mwTestDir ) );
if ( $isCore && $wantsCore ) {
self::debug( "included core parser tests: $parserTestFile" );
$filesToTest[] = $parserTestFile;
} elseif ( !$isCore && $wantsRest ) {
self::debug( "included non core parser tests: $parserTestFile" );
$filesToTest[] = $parserTestFile;
} else {
self::debug( "skipped parser tests: $parserTestFile" );
}
}
self::debug( 'parser tests files: '
. implode( ' ', $filesToTest ) );
$suite = new PHPUnit_Framework_TestSuite;
$testList = array();
$counter = 0;
foreach ( $filesToTest as $fileName ) {
// Call the highest level directory the extension name.
// It may or may not actually be, but it should be close
// enough to cause there to be separate names for different
// things, which is good enough for our purposes.
$extensionName = basename( dirname( $fileName ) );
$testsName = $extensionName . '__' . basename( $fileName, '.txt' );
$escapedFileName = strtr( $fileName, array( "'" => "\\'", '\\' => '\\\\' ) );
$parserTestClassName = ucfirst( $testsName );
// Official spec for class names: http://php.net/manual/en/language.oop5.basic.php
// Prepend 'ParserTest_' to be paranoid about it not starting with a number
$parserTestClassName = 'ParserTest_' . preg_replace( '/[^a-zA-Z0-9_\x7f-\xff]/', '_', $parserTestClassName );
if ( isset( $testList[$parserTestClassName] ) ) {
// If a conflict happens, gives a very unclear fatal.
// So as a last ditch effort to prevent that eventuality, if there
// is a conflict, append a number.
$counter++;
$parserTestClassName .= $counter;
}
$testList[$parserTestClassName] = true;
$parserTestClassDefinition = <<<EOT
/**
* @group Database
* @group Parser
* @group ParserTests
* @group ParserTests_$parserTestClassName
*/
class $parserTestClassName extends NewParserTest {
protected \$file = '$escapedFileName';
}
EOT;
eval( $parserTestClassDefinition );
self::debug( "Adding test class $parserTestClassName" );
$suite->addTestSuite( $parserTestClassName );
}
return $suite;
}
/**
* Write $msg under log group 'tests-parser'
* @param string $msg Message to log
*/
protected static function debug( $msg ) {
return wfDebugLog( 'tests-parser', wfGetCaller() . ' ' . $msg );
}
}
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