112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
<?php
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/*
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* This file is part of the official PHP MCP SDK.
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*
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* A collaboration between Symfony and the PHP Foundation.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Mcp\Tests\Unit\Server\Session;
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use Mcp\Exception\ExceptionInterface;
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use Mcp\Exception\RuntimeException;
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use Mcp\Server\Session\FileSessionStore;
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use PHPUnit\Framework\Attributes\TestDox;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\Uid\UuidV4;
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class FileSessionStoreTest extends TestCase
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{
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private string $directory;
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protected function setUp(): void
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{
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$this->directory = sys_get_temp_dir().'/mcp-file-session-store-'.bin2hex(random_bytes(6));
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}
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protected function tearDown(): void
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{
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if (!is_dir($this->directory)) {
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return;
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}
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@chmod($this->directory, 0775);
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foreach (glob($this->directory.'/*') ?: [] as $file) {
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@unlink($file);
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}
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@rmdir($this->directory);
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}
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#[TestDox('creates the session directory when it does not exist yet')]
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public function testCreatesMissingDirectory(): void
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{
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new FileSessionStore($this->directory);
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$this->assertDirectoryExists($this->directory);
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}
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#[TestDox('round-trips a session payload through the filesystem')]
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public function testWriteThenRead(): void
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{
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$store = new FileSessionStore($this->directory);
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$id = new UuidV4();
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$store->write($id, 'payload');
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$this->assertTrue($store->exists($id));
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$this->assertSame('payload', $store->read($id));
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}
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#[TestDox('gc() only deletes expired session files, never foreign files in the directory')]
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public function testGcLeavesForeignFilesAlone(): void
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{
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$store = new FileSessionStore($this->directory, ttl: 60);
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$id = new UuidV4();
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$store->write($id, 'payload');
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$foreign = $this->directory.'/important.lock';
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file_put_contents($foreign, 'not a session');
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// Make everything stale
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$expired = time() - 120;
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touch($this->directory.'/'.$id->toRfc4122(), $expired);
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touch($foreign, $expired);
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$deleted = $store->gc();
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$this->assertEquals([$id], $deleted);
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$this->assertFileDoesNotExist($this->directory.'/'.$id->toRfc4122());
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$this->assertFileExists($foreign);
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}
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#[TestDox('rejects an unwritable directory with the SDK\'s own exception')]
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public function testUnwritableDirectoryThrowsPackageException(): void
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{
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mkdir($this->directory, 0775, true);
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chmod($this->directory, 0555);
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clearstatcache(true, $this->directory);
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if (is_writable($this->directory)) {
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$this->markTestSkipped('Permission bits do not restrict writes here (running as root, or a filesystem that ignores them).');
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}
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// The store's only throw must stay inside the package hierarchy, so a
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// consumer catching ExceptionInterface sees it rather than a bare SPL
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// RuntimeException escaping the SDK.
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$this->expectException(RuntimeException::class);
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$this->expectExceptionMessage(\sprintf('Session directory "%s" is not writable.', $this->directory));
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try {
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new FileSessionStore($this->directory);
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} catch (RuntimeException $e) {
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$this->assertInstanceOf(ExceptionInterface::class, $e);
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throw $e;
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}
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}
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}
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