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<?php
use Wikimedia\ScopedCallback;
// @codingStandardsIgnoreLine Squiz.Classes.ValidClassName.NotCamelCaps
class Scribunto_LuaUstringLibraryTest extends Scribunto_LuaEngineTestBase {
protected static $moduleName = 'UstringLibraryTests';
private $normalizationDataProvider = null;
protected function tearDown() {
if ( $this->normalizationDataProvider ) {
$this->normalizationDataProvider->destroy();
$this->normalizationDataProvider = null;
}
parent::tearDown();
}
protected function getTestModules() {
return parent::getTestModules() + [
'UstringLibraryTests' => __DIR__ . '/UstringLibraryTests.lua',
'UstringLibraryNormalizationTests' => __DIR__ . '/UstringLibraryNormalizationTests.lua',
];
}
public function testUstringLibraryNormalizationTestsAvailable() {
if ( UstringLibraryNormalizationTestProvider::available( $err ) ) {
$this->assertTrue( true );
} else {
$this->markTestSkipped( $err );
}
}
public function provideUstringLibraryNormalizationTests() {
if ( !$this->normalizationDataProvider ) {
$this->normalizationDataProvider =
new UstringLibraryNormalizationTestProvider( $this->getEngine() );
}
return $this->normalizationDataProvider;
}
/**
* @dataProvider provideUstringLibraryNormalizationTests
*/
public function testUstringLibraryNormalizationTests( $name, $c1, $c2, $c3, $c4, $c5 ) {
$this->luaTestName = "UstringLibraryNormalization: $name";
$dataProvider = $this->provideUstringLibraryNormalizationTests();
$expected = [
$c2, $c2, $c2, $c4, $c4, // NFC
$c3, $c3, $c3, $c5, $c5, // NFD
$c4, $c4, $c4, $c4, $c4, // NFKC
$c5, $c5, $c5, $c5, $c5, // NFKD
];
foreach ( $expected as &$e ) {
$chars = array_values( unpack( 'N*', mb_convert_encoding( $e, 'UTF-32BE', 'UTF-8' ) ) );
foreach ( $chars as &$c ) {
$c = sprintf( "%x", $c );
}
$e = "$e\t" . implode( "\t", $chars );
}
$actual = $dataProvider->runNorm( $c1, $c2, $c3, $c4, $c5 );
$this->assertSame( $expected, $actual );
$this->luaTestName = null;
}
/**
* @dataProvider providePCREErrors
*/
public function testPCREErrors( $ini, $args, $error ) {
$reset = [];
foreach ( $ini as $key => $value ) {
$old = ini_set( $key, $value );
if ( $old === false ) {
$this->markTestSkipped( "Failed to set ini setting $key = $value" );
}
$reset[] = new ScopedCallback( 'ini_set', [ $key, $old ] );
}
$interpreter = $this->getEngine()->getInterpreter();
$func = $interpreter->loadString( 'return mw.ustring.gsub( ... )', 'fortest' );
try {
call_user_func_array(
[ $interpreter, 'callFunction' ],
array_merge( [ $func ], $args )
);
$this->fail( 'Expected exception not thrown' );
} catch ( Scribunto_LuaError $e ) {
$this->assertSame( $error, $e->getMessage() );
}
}
public static function providePCREErrors() {
return [
[
[ 'pcre.backtrack_limit' => 10 ],
[ 'zzzzzzzzzzzzzzzzzzzz', '^(.-)[abc]*$', '%1' ],
'Lua error: PCRE backtrack limit reached while matching pattern \'^(.-)[abc]*$\'.'
],
// @TODO: Figure out patterns that hit other PCRE limits
];
}
}
class UstringLibraryNormalizationTestProvider extends Scribunto_LuaDataProvider {
protected $file = null;
protected $current = null;
protected static $static = [
'1E0A 0323;1E0C 0307;0044 0323 0307;1E0C 0307;0044 0323 0307;',
false
];
public static function available( &$message = null ) {
if ( is_readable( __DIR__ . '/NormalizationTest.txt' ) ) {
return true;
}
$message = wordwrap( 'Download the Unicode Normalization Test Suite from ' .
'http://unicode.org/Public/6.0.0/ucd/NormalizationTest.txt and save as ' .
__DIR__ . '/NormalizationTest.txt to run normalization tests. Note that ' .
'running these tests takes quite some time.' );
return false;
}
public function __construct( $engine ) {
parent::__construct( $engine, 'UstringLibraryNormalizationTests' );
if ( self::available() ) {
$this->file = fopen( __DIR__ . '/NormalizationTest.txt', 'r' );
}
$this->rewind();
}
public function destory() {
if ( $this->file ) {
fclose( $this->file );
$this->file = null;
}
parent::destory();
}
public function rewind() {
if ( $this->file ) {
rewind( $this->file );
}
$this->key = 0;
$this->next();
}
public function valid() {
if ( $this->file ) {
$v = !feof( $this->file );
} else {
$v = $this->key < count( self::$static );
}
return $v;
}
public function current() {
return $this->current;
}
public function next() {
$this->current = [ null, null, null, null, null, null ];
while ( $this->valid() ) {
if ( $this->file ) {
$line = fgets( $this->file );
} else {
$line = self::$static[$this->key];
}
$this->key++;
if ( preg_match( '/^((?:[0-9A-F ]+;){5})/', $line, $m ) ) {
$line = rtrim( $m[1], ';' );
$ret = [ $line ];
foreach ( explode( ';', $line ) as $field ) {
$args = [ 'N*' ];
foreach ( explode( ' ', $field ) as $char ) {
$args[] = hexdec( $char );
}
$s = call_user_func_array( 'pack', $args );
$s = mb_convert_encoding( $s, 'UTF-8', 'UTF-32BE' );
$ret[] = $s;
}
$this->current = $ret;
return;
}
}
}
public function runNorm( $c1, $c2, $c3, $c4, $c5 ) {
return $this->engine->getInterpreter()->callFunction( $this->exports['run'],
$c1, $c2, $c3, $c4, $c5
);
}
}
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