TestSiteApplicationTest.php

<?php

namespace Drupal\Tests\Scripts;

use Drupal\Component\FileSystem\FileSystem;
use Drupal\Core\Database\Database;
use Drupal\Core\Test\TestDatabase;
use Drupal\Tests\UnitTestCase;
use GuzzleHttp\Client;
use GuzzleHttp\Psr7\Request;
use Symfony\Component\Process\PhpExecutableFinder;
use Symfony\Component\Process\Process;

/**
 * Tests core/scripts/test-site.php.
 *
 * @group Setup
 *
 * This test uses the Drupal\Core\Database\Database class which has a static.
 * Therefore run in a separate process to avoid side effects.
 *
 * @runTestsInSeparateProcesses
 * @preserveGlobalState disabled
 *
 * @see \Drupal\TestSite\TestSiteApplication
 * @see \Drupal\TestSite\Commands\TestSiteInstallCommand
 * @see \Drupal\TestSite\Commands\TestSiteTearDownCommand
 */
class TestSiteApplicationTest extends UnitTestCase {
    
    /**
     * The PHP executable path.
     *
     * @var string
     */
    protected $php;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $php_executable_finder = new PhpExecutableFinder();
        $this->php = $php_executable_finder->find();
        $this->root = dirname(substr(__DIR__, 0, -strlen(__NAMESPACE__)), 2);
    }
    
    /**
     * @coversNothing
     */
    public function testInstallWithNonExistingFile() {
        // Create a connection to the DB configured in SIMPLETEST_DB.
        $connection = Database::getConnection('default', $this->addTestDatabase(''));
        $table_count = count($connection->schema()
            ->findTables('%'));
        $command_line = $this->php . ' core/scripts/test-site.php install --setup-file "this-class-does-not-exist" --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->run();
        $this->assertStringContainsString('The file this-class-does-not-exist does not exist.', $process->getErrorOutput());
        $this->assertSame(1, $process->getExitCode());
        $this->assertCount($table_count, $connection->schema()
            ->findTables('%'), 'No additional tables created in the database');
    }
    
    /**
     * @coversNothing
     */
    public function testInstallWithFileWithNoClass() {
        // Create a connection to the DB configured in SIMPLETEST_DB.
        $connection = Database::getConnection('default', $this->addTestDatabase(''));
        $table_count = count($connection->schema()
            ->findTables('%'));
        $command_line = $this->php . ' core/scripts/test-site.php install --setup-file core/tests/fixtures/empty_file.php.module --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->run();
        $this->assertStringContainsString('The file core/tests/fixtures/empty_file.php.module does not contain a class', $process->getErrorOutput());
        $this->assertSame(1, $process->getExitCode());
        $this->assertCount($table_count, $connection->schema()
            ->findTables('%'), 'No additional tables created in the database');
    }
    
    /**
     * @coversNothing
     */
    public function testInstallWithNonSetupClass() {
        $this->markTestIncomplete('Fix this test in https://www.drupal.org/project/drupal/issues/2962157.');
        // Use __FILE__ to test absolute paths.
        $command_line = $this->php . ' core/scripts/test-site.php install --setup-file "' . __FILE__ . '" --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root, [
            'COLUMNS' => PHP_INT_MAX,
        ]);
        $process->run();
        $this->assertStringContainsString('The class Drupal\\Tests\\Scripts\\TestSiteApplicationTest contained in', $process->getErrorOutput());
        $this->assertStringContainsString('needs to implement \\Drupal\\TestSite\\TestSetupInterface', $process->getErrorOutput());
    }
    
    /**
     * @coversNothing
     */
    public function testInstallScript() {
        $simpletest_path = $this->root . DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'simpletest';
        if (!is_writable($simpletest_path)) {
            $this->markTestSkipped("Requires the directory {$simpletest_path} to exist and be writable");
        }
        // Install a site using the JSON output.
        $command_line = $this->php . ' core/scripts/test-site.php install --json --setup-file core/tests/Drupal/TestSite/TestSiteInstallTestScript.php --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $result = json_decode($process->getOutput(), TRUE);
        $db_prefix = $result['db_prefix'];
        $this->assertStringStartsWith('simpletest' . substr($db_prefix, 4) . ':', $result['user_agent']);
        $http_client = new Client();
        $request = (new Request('GET', getenv('SIMPLETEST_BASE_URL') . '/test-page'))->withHeader('User-Agent', trim($result['user_agent']));
        $response = $http_client->send($request);
        // Ensure the test_page_test module got installed.
        $this->assertStringContainsString('Test page | Drupal', (string) $response->getBody());
        // Ensure that there are files and database tables for the tear down command
        // to clean up.
        $key = $this->addTestDatabase($db_prefix);
        $this->assertGreaterThan(0, count(Database::getConnection('default', $key)->schema()
            ->findTables('%')));
        $test_database = new TestDatabase($db_prefix);
        $test_file = $this->root . DIRECTORY_SEPARATOR . $test_database->getTestSitePath() . DIRECTORY_SEPARATOR . '.htkey';
        $this->assertFileExists($test_file);
        // Ensure the lock file exists.
        $this->assertFileExists($this->getTestLockFile($db_prefix));
        // Install another site so we can ensure the tear down command only removes
        // one site at a time. Use the regular output.
        $command_line = $this->php . ' core/scripts/test-site.php install --setup-file core/tests/Drupal/TestSite/TestSiteInstallTestScript.php --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertStringContainsString('Successfully installed a test site', $process->getOutput());
        $this->assertSame(0, $process->getExitCode());
        $regex = '/Database prefix\\s+([^\\s]*)/';
        $this->assertMatchesRegularExpression($regex, $process->getOutput());
        preg_match('/Database prefix\\s+([^\\s]*)/', $process->getOutput(), $matches);
        $other_db_prefix = $matches[1];
        $other_key = $this->addTestDatabase($other_db_prefix);
        $this->assertGreaterThan(0, count(Database::getConnection('default', $other_key)->schema()
            ->findTables('%')));
        // Ensure the lock file exists for the new install.
        $this->assertFileExists($this->getTestLockFile($other_db_prefix));
        // Now test the tear down process as well, but keep the lock.
        $command_line = $this->php . ' core/scripts/test-site.php tear-down ' . $db_prefix . ' --keep-lock --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $this->assertStringContainsString("Successfully uninstalled {$db_prefix} test site", $process->getOutput());
        // Ensure that all the tables and files for this DB prefix are gone.
        $this->assertCount(0, Database::getConnection('default', $key)->schema()
            ->findTables('%'));
        $this->assertFileDoesNotExist($test_file);
        // Ensure the other site's tables and files still exist.
        $this->assertGreaterThan(0, count(Database::getConnection('default', $other_key)->schema()
            ->findTables('%')));
        $test_database = new TestDatabase($other_db_prefix);
        $test_file = $this->root . DIRECTORY_SEPARATOR . $test_database->getTestSitePath() . DIRECTORY_SEPARATOR . '.htkey';
        $this->assertFileExists($test_file);
        // Tear down the other site. Tear down should work if the test site is
        // broken. Prove this by removing its settings.php.
        $test_site_settings = $this->root . DIRECTORY_SEPARATOR . $test_database->getTestSitePath() . DIRECTORY_SEPARATOR . 'settings.php';
        $this->assertTrue(unlink($test_site_settings));
        $command_line = $this->php . ' core/scripts/test-site.php tear-down ' . $other_db_prefix . ' --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $this->assertStringContainsString("Successfully uninstalled {$other_db_prefix} test site", $process->getOutput());
        // Ensure that all the tables and files for this DB prefix are gone.
        $this->assertCount(0, Database::getConnection('default', $other_key)->schema()
            ->findTables('%'));
        $this->assertFileDoesNotExist($test_file);
        // The lock for the first site should still exist but the second site's lock
        // is released during tear down.
        $this->assertFileExists($this->getTestLockFile($db_prefix));
        $this->assertFileDoesNotExist($this->getTestLockFile($other_db_prefix));
    }
    
    /**
     * @coversNothing
     */
    public function testInstallInDifferentLanguage() {
        $simpletest_path = $this->root . DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'simpletest';
        if (!is_writable($simpletest_path)) {
            $this->markTestSkipped("Requires the directory {$simpletest_path} to exist and be writable");
        }
        $command_line = $this->php . ' core/scripts/test-site.php install --json --langcode fr --setup-file core/tests/Drupal/TestSite/TestSiteMultilingualInstallTestScript.php --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->setTimeout(500);
        $process->run();
        $this->assertEquals(0, $process->getExitCode());
        $result = json_decode($process->getOutput(), TRUE);
        $db_prefix = $result['db_prefix'];
        $http_client = new Client();
        $request = (new Request('GET', getenv('SIMPLETEST_BASE_URL') . '/test-page'))->withHeader('User-Agent', trim($result['user_agent']));
        $response = $http_client->send($request);
        // Ensure the test_page_test module got installed.
        $this->assertStringContainsString('Test page | Drupal', (string) $response->getBody());
        $this->assertStringContainsString('lang="fr"', (string) $response->getBody());
        // Now test the tear down process as well.
        $command_line = $this->php . ' core/scripts/test-site.php tear-down ' . $db_prefix . ' --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        // Ensure that all the tables for this DB prefix are gone.
        $this->assertCount(0, Database::getConnection('default', $this->addTestDatabase($db_prefix))
            ->schema()
            ->findTables('%'));
    }
    
    /**
     * @coversNothing
     */
    public function testTearDownDbPrefixValidation() {
        $command_line = $this->php . ' core/scripts/test-site.php tear-down not-a-valid-prefix';
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(1, $process->getExitCode());
        $this->assertStringContainsString('Invalid database prefix: not-a-valid-prefix', $process->getErrorOutput());
    }
    
    /**
     * @coversNothing
     */
    public function testUserLogin() {
        $this->markTestIncomplete('Fix this test in https://www.drupal.org/project/drupal/issues/2962157.');
        $simpletest_path = $this->root . DIRECTORY_SEPARATOR . 'sites' . DIRECTORY_SEPARATOR . 'simpletest';
        if (!is_writable($simpletest_path)) {
            $this->markTestSkipped("Requires the directory {$simpletest_path} to exist and be writable");
        }
        // Install a site using the JSON output.
        $command_line = $this->php . ' core/scripts/test-site.php install --json --setup-file core/tests/Drupal/TestSite/TestSiteInstallTestScript.php --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $result = json_decode($process->getOutput(), TRUE);
        $db_prefix = $result['db_prefix'];
        $site_path = $result['site_path'];
        $this->assertSame('sites/simpletest/' . str_replace('test', '', $db_prefix), $site_path);
        // Test the user login command with valid uid.
        $command_line = $this->php . ' core/scripts/test-site.php user-login 1 --site-path ' . $site_path;
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $this->assertStringContainsString('/user/reset/1/', $process->getOutput());
        $http_client = new Client();
        $request = (new Request('GET', getenv('SIMPLETEST_BASE_URL') . trim($process->getOutput())))
            ->withHeader('User-Agent', trim($result['user_agent']));
        $response = $http_client->send($request);
        // Ensure the response sets a new session.
        $this->assertTrue($response->getHeader('Set-Cookie'));
        // Test the user login command with invalid uid.
        $command_line = $this->php . ' core/scripts/test-site.php user-login invalid-uid --site-path ' . $site_path;
        $process = Process::fromShellCommandline($command_line, $this->root);
        $process->run();
        $this->assertSame(1, $process->getExitCode());
        $this->assertStringContainsString('The "uid" argument needs to be an integer, but it is "invalid-uid".', $process->getErrorOutput());
        // Now tear down the test site.
        $command_line = $this->php . ' core/scripts/test-site.php tear-down ' . $db_prefix . ' --db-url "' . getenv('SIMPLETEST_DB') . '"';
        $process = Process::fromShellCommandline($command_line, $this->root);
        // Set the timeout to a value that allows debugging.
        $process->setTimeout(500);
        $process->run();
        $this->assertSame(0, $process->getExitCode());
        $this->assertStringContainsString("Successfully uninstalled {$db_prefix} test site", $process->getOutput());
    }
    
    /**
     * Adds the installed test site to the database connection info.
     *
     * @param string $db_prefix
     *   The prefix of the installed test site.
     *
     * @return string
     *   The database key of the added connection.
     */
    protected function addTestDatabase($db_prefix) {
        $database = Database::convertDbUrlToConnectionInfo(getenv('SIMPLETEST_DB'), $this->root);
        $database['prefix'] = $db_prefix;
        $target = __CLASS__ . $db_prefix;
        Database::addConnectionInfo($target, 'default', $database);
        return $target;
    }
    
    /**
     * Gets the lock file path.
     *
     * @param string $db_prefix
     *   The prefix of the installed test site.
     *
     * @return string
     *   The lock file path.
     */
    protected function getTestLockFile($db_prefix) {
        $lock_id = str_replace('test', '', $db_prefix);
        return FileSystem::getOsTemporaryDirectory() . '/test_' . $lock_id;
    }

}