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composer/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php

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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/*
* This file is copied from the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*/
namespace Composer\Test\Autoload;
use Composer\Autoload\ClassMapGenerator;
use Composer\Test\TestCase;
use Symfony\Component\Finder\Finder;
use Composer\Util\Filesystem;
class ClassMapGeneratorTest extends TestCase
{
/**
* @dataProvider getTestCreateMapTests
* @param string $directory
* @param array<string, string> $expected
*/
public function testCreateMap($directory, $expected): void
{
$this->assertEqualsNormalized($expected, ClassMapGenerator::createMap($directory));
}
/**
* @return array<array<string|array<string>>>
*/
public function getTestCreateMapTests(): array
{
$classmap = array(
'Foo\\Bar\\A' => realpath(__DIR__) . '/Fixtures/classmap/sameNsMultipleClasses.php',
'Foo\\Bar\\B' => realpath(__DIR__) . '/Fixtures/classmap/sameNsMultipleClasses.php',
'Alpha\\A' => realpath(__DIR__) . '/Fixtures/classmap/multipleNs.php',
'Alpha\\B' => realpath(__DIR__) . '/Fixtures/classmap/multipleNs.php',
'A' => realpath(__DIR__) . '/Fixtures/classmap/multipleNs.php',
'Be\\ta\\A' => realpath(__DIR__) . '/Fixtures/classmap/multipleNs.php',
'Be\\ta\\B' => realpath(__DIR__) . '/Fixtures/classmap/multipleNs.php',
'ClassMap\\SomeInterface' => realpath(__DIR__) . '/Fixtures/classmap/SomeInterface.php',
'ClassMap\\SomeParent' => realpath(__DIR__) . '/Fixtures/classmap/SomeParent.php',
'ClassMap\\SomeClass' => realpath(__DIR__) . '/Fixtures/classmap/SomeClass.php',
'ClassMap\\LongString' => realpath(__DIR__) . '/Fixtures/classmap/LongString.php',
'Foo\\LargeClass' => realpath(__DIR__) . '/Fixtures/classmap/LargeClass.php',
'Foo\\LargeGap' => realpath(__DIR__) . '/Fixtures/classmap/LargeGap.php',
'Foo\\MissingSpace' => realpath(__DIR__) . '/Fixtures/classmap/MissingSpace.php',
'Foo\\StripNoise' => realpath(__DIR__) . '/Fixtures/classmap/StripNoise.php',
'Foo\\First' => realpath(__DIR__) . '/Fixtures/classmap/StripNoise.php',
'Foo\\Second' => realpath(__DIR__) . '/Fixtures/classmap/StripNoise.php',
'Foo\\Third' => realpath(__DIR__) . '/Fixtures/classmap/StripNoise.php',
'Foo\\SlashedA' => realpath(__DIR__) . '/Fixtures/classmap/BackslashLineEndingString.php',
'Foo\\SlashedB' => realpath(__DIR__) . '/Fixtures/classmap/BackslashLineEndingString.php',
'Unicode\\↑\\↑' => realpath(__DIR__) . '/Fixtures/classmap/Unicode.php',
'ShortOpenTag' => realpath(__DIR__) . '/Fixtures/classmap/ShortOpenTag.php',
'Smarty_Internal_Compile_Block' => realpath(__DIR__) . '/Fixtures/classmap/InvalidUnicode.php',
'Smarty_Internal_Compile_Blockclose' => realpath(__DIR__) . '/Fixtures/classmap/InvalidUnicode.php',
'ShortOpenTagDocblock' => realpath(__DIR__) . '/Fixtures/classmap/ShortOpenTagDocblock.php',
);
$data = array(
array(__DIR__ . '/Fixtures/Namespaced', array(
'Namespaced\\Bar' => realpath(__DIR__) . '/Fixtures/Namespaced/Bar.inc',
'Namespaced\\Foo' => realpath(__DIR__) . '/Fixtures/Namespaced/Foo.php',
'Namespaced\\Baz' => realpath(__DIR__) . '/Fixtures/Namespaced/Baz.php',
)),
array(__DIR__ . '/Fixtures/beta/NamespaceCollision', array(
'NamespaceCollision\\A\\B\\Bar' => realpath(__DIR__) . '/Fixtures/beta/NamespaceCollision/A/B/Bar.php',
'NamespaceCollision\\A\\B\\Foo' => realpath(__DIR__) . '/Fixtures/beta/NamespaceCollision/A/B/Foo.php',
)),
array(__DIR__ . '/Fixtures/Pearlike', array(
'Pearlike_Foo' => realpath(__DIR__) . '/Fixtures/Pearlike/Foo.php',
'Pearlike_Bar' => realpath(__DIR__) . '/Fixtures/Pearlike/Bar.php',
'Pearlike_Baz' => realpath(__DIR__) . '/Fixtures/Pearlike/Baz.php',
)),
array(__DIR__ . '/Fixtures/classmap', $classmap),
array(__DIR__ . '/Fixtures/template', array()),
);
$data[] = array(__DIR__ . '/Fixtures/php5.4', array(
'TFoo' => __DIR__ . '/Fixtures/php5.4/traits.php',
'CFoo' => __DIR__ . '/Fixtures/php5.4/traits.php',
'Foo\\TBar' => __DIR__ . '/Fixtures/php5.4/traits.php',
'Foo\\IBar' => __DIR__ . '/Fixtures/php5.4/traits.php',
'Foo\\TFooBar' => __DIR__ . '/Fixtures/php5.4/traits.php',
'Foo\\CBar' => __DIR__ . '/Fixtures/php5.4/traits.php',
));
$data[] = array(__DIR__ . '/Fixtures/php7.0', array(
'Dummy\Test\AnonClassHolder' => __DIR__ . '/Fixtures/php7.0/anonclass.php',
));
if (PHP_VERSION_ID >= 80100) {
$data[] = array(__DIR__ . '/Fixtures/php8.1', array(
'RolesBasicEnum' => __DIR__ . '/Fixtures/php8.1/enum_basic.php',
'RolesBackedEnum' => __DIR__ . '/Fixtures/php8.1/enum_backed.php',
'RolesClassLikeEnum' => __DIR__ . '/Fixtures/php8.1/enum_class_semantics.php',
'Foo\Bar\RolesClassLikeNamespacedEnum' => __DIR__ . '/Fixtures/php8.1/enum_namespaced.php',
));
}
if (defined('HHVM_VERSION') && version_compare(HHVM_VERSION, '3.3', '>=')) {
$data[] = array(__DIR__ . '/Fixtures/hhvm3.3', array(
'FooEnum' => __DIR__ . '/Fixtures/hhvm3.3/HackEnum.php',
'Foo\BarEnum' => __DIR__ . '/Fixtures/hhvm3.3/NamespacedHackEnum.php',
'GenericsClass' => __DIR__ . '/Fixtures/hhvm3.3/Generics.php',
));
}
return $data;
}
public function testCreateMapFinderSupport(): void
{
$this->checkIfFinderIsAvailable();
$finder = new Finder();
$finder->files()->in(__DIR__ . '/Fixtures/beta/NamespaceCollision');
$this->assertEqualsNormalized(array(
'NamespaceCollision\\A\\B\\Bar' => realpath(__DIR__) . '/Fixtures/beta/NamespaceCollision/A/B/Bar.php',
'NamespaceCollision\\A\\B\\Foo' => realpath(__DIR__) . '/Fixtures/beta/NamespaceCollision/A/B/Foo.php',
), ClassMapGenerator::createMap($finder));
}
public function testFindClassesThrowsWhenFileDoesNotExist(): void
{
$r = new \ReflectionClass('Composer\\Autoload\\ClassMapGenerator');
$find = $r->getMethod('findClasses');
$find->setAccessible(true);
self::expectException('RuntimeException');
self::expectExceptionMessage('does not exist');
$find->invoke(null, __DIR__ . '/no-file');
}
public function testAmbiguousReference(): void
{
$this->checkIfFinderIsAvailable();
$tempDir = $this->getUniqueTmpDirectory();
$this->ensureDirectoryExistsAndClear($tempDir . '/other');
$finder = new Finder();
$finder->files()->in($tempDir);
$io = $this->getMockBuilder('Composer\IO\ConsoleIO')
->disableOriginalConstructor()
->getMock();
file_put_contents($tempDir . '/A.php', "<?php\nclass A {}");
file_put_contents($tempDir . '/other/A.php', "<?php\nclass A {}");
$a = realpath($tempDir . '/A.php');
$b = realpath($tempDir . '/other/A.php');
$msg = '';
$io->expects($this->once())
->method('writeError')
->will($this->returnCallback(function ($text) use (&$msg): void {
$msg = $text;
}));
$messages = array(
'<warning>Warning: Ambiguous class resolution, "A" was found in both "' . $a . '" and "' . $b . '", the first will be used.</warning>',
'<warning>Warning: Ambiguous class resolution, "A" was found in both "' . $b . '" and "' . $a . '", the first will be used.</warning>',
);
ClassMapGenerator::createMap($finder, null, $io);
$this->assertContains($msg, $messages, $msg . ' not found in expected messages (' . var_export($messages, true) . ')');
$fs = new Filesystem();
$fs->removeDirectory($tempDir);
}
/**
* If one file has a class or interface defined more than once,
* an ambiguous reference warning should not be produced
*/
public function testUnambiguousReference(): void
{
$tempDir = $this->getUniqueTmpDirectory();
file_put_contents($tempDir . '/A.php', "<?php\nclass A {}");
file_put_contents(
$tempDir . '/B.php',
"<?php
if (true) {
interface B {}
} else {
interface B extends Iterator {}
}
"
);
foreach (array('test', 'fixture', 'example') as $keyword) {
if (!is_dir($tempDir . '/' . $keyword)) {
mkdir($tempDir . '/' . $keyword, 0777, true);
}
file_put_contents($tempDir . '/' . $keyword . '/A.php', "<?php\nclass A {}");
}
$io = $this->getMockBuilder('Composer\IO\ConsoleIO')
->disableOriginalConstructor()
->getMock();
$io->expects($this->never())
->method('write');
ClassMapGenerator::createMap($tempDir, null, $io);
$fs = new Filesystem();
$fs->removeDirectory($tempDir);
}
public function testCreateMapThrowsWhenDirectoryDoesNotExist(): void
{
self::expectException('RuntimeException');
self::expectExceptionMessage('Could not scan for classes inside');
ClassMapGenerator::createMap(__DIR__ . '/no-file.no-foler');
}
public function testDump(): void
{
$tempDir = self::getUniqueTmpDirectory();
$resultFile = $tempDir . '/result.txt';
$fileInDirectory = $tempDir . DIRECTORY_SEPARATOR . 'TestClass.php';
file_put_contents($fileInDirectory, "<?php class TestClass {} ?>");
ClassMapGenerator::dump(array($tempDir), $resultFile);
$fileInDirectory = str_replace('\\', '\\\\', $fileInDirectory);
$this->assertStringEqualsFile($resultFile, "<?php return array (\n 'TestClass' => '$fileInDirectory',\n);");
$fs = new Filesystem();
$fs->removeDirectory($tempDir);
}
public function testCreateMapDoesNotHitRegexBacktraceLimit(): void
{
$expected = array(
'Foo\\StripNoise' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/StripNoise.php',
'Foo\\VeryLongHeredoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongHeredoc.php',
'Foo\\ClassAfterLongHereDoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongHeredoc.php',
'Foo\\VeryLongPHP73Heredoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongPHP73Heredoc.php',
'Foo\\VeryLongPHP73Nowdoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongPHP73Nowdoc.php',
'Foo\\ClassAfterLongNowDoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongPHP73Nowdoc.php',
'Foo\\VeryLongNowdoc' => realpath(__DIR__) . '/Fixtures/pcrebacktracelimit/VeryLongNowdoc.php',
);
ini_set('pcre.backtrack_limit', '30000');
$result = ClassMapGenerator::createMap(__DIR__ . '/Fixtures/pcrebacktracelimit');
ini_restore('pcre.backtrack_limit');
$this->assertEqualsNormalized($expected, $result);
}
/**
* @param array<class-string> $expected
* @param array<class-string> $actual
* @param string $message
* @return void
*/
protected function assertEqualsNormalized($expected, $actual, $message = ''): void
{
foreach ($expected as $ns => $path) {
$expected[$ns] = strtr($path, '\\', '/');
}
foreach ($actual as $ns => $path) {
$actual[$ns] = strtr($path, '\\', '/');
}
$this->assertEquals($expected, $actual, $message);
}
/** @return void */
private function checkIfFinderIsAvailable(): void
{
if (!class_exists('Symfony\\Component\\Finder\\Finder')) {
$this->markTestSkipped('Finder component is not available');
}
}
}
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