BuildTestTest.php

<?php

declare (strict_types=1);
namespace Drupal\BuildTests\Framework\Tests;

use Drupal\BuildTests\Framework\BuildTestBase;
use org\bovigo\vfs\vfsStream;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;

/**
 * @coversDefaultClass \Drupal\BuildTests\Framework\BuildTestBase
 * @group Build
 */
class BuildTestTest extends BuildTestBase {
    
    /**
     * Ensure that workspaces work.
     */
    public function testWorkspace() : void {
        $test_directory = 'test_directory';
        // Execute an empty command through the shell to build out a working
        // directory.
        $process = $this->executeCommand('', $test_directory);
        $this->assertCommandSuccessful();
        // Assert that our working directory exists and is in use by the process.
        $workspace = $this->getWorkspaceDirectory();
        $working_path = $workspace . '/' . $test_directory;
        $this->assertDirectoryExists($working_path);
        $this->assertEquals($working_path, $process->getWorkingDirectory());
    }
    
    /**
     * @covers ::copyCodebase
     */
    public function testCopyCodebase() : void {
        $test_directory = 'copied_codebase';
        $this->copyCodebase(NULL, $test_directory);
        $full_path = $this->getWorkspaceDirectory() . '/' . $test_directory;
        $files = [
            'autoload.php',
            'composer.json',
            'index.php',
            'README.md',
            '.git',
            '.ht.router.php',
        ];
        foreach ($files as $file) {
            $this->assertFileExists($full_path . '/' . $file);
        }
    }
    
    /**
     * Ensure we're not copying directories we wish to exclude.
     *
     * @covers ::copyCodebase
     */
    public function testCopyCodebaseExclude() : void {
        // Create a virtual file system containing items that should be
        // excluded. Exception being modules directory.
        vfsStream::setup('drupal', NULL, [
            'sites' => [
                'default' => [
                    'files' => [
                        'a_file.txt' => 'some file.',
                    ],
                    'settings.php' => '<?php $settings = stuff;',
                    'settings.local.php' => '<?php $settings = override;',
                ],
                'simpletest' => [
                    'simpletest_hash' => [
                        'some_results.xml' => '<xml/>',
                    ],
                ],
            ],
            'modules' => [
                'my_module' => [
                    'vendor' => [
                        'my_vendor' => [
                            'composer.json' => "{\n}",
                        ],
                    ],
                ],
            ],
        ]);
        // Mock BuildTestBase so that it thinks our VFS is the Composer and Drupal
        // roots.
        
        /** @var \PHPUnit\Framework\MockObject\MockBuilder|\Drupal\BuildTests\Framework\BuildTestBase $base */
        $base = $this->getMockBuilder(BuildTestBase::class)
            ->onlyMethods([
            'getDrupalRoot',
            'getComposerRoot',
        ])
            ->setConstructorArgs([
            'test',
        ])
            ->getMockForAbstractClass();
        $base->expects($this->exactly(1))
            ->method('getDrupalRoot')
            ->willReturn(vfsStream::url('drupal'));
        $base->expects($this->exactly(3))
            ->method('getComposerRoot')
            ->willReturn(vfsStream::url('drupal'));
        $base->setUp();
        // Perform the copy.
        $test_directory = 'copied_codebase';
        $base->copyCodebase(NULL, $test_directory);
        $full_path = $base->getWorkspaceDirectory() . '/' . $test_directory;
        $this->assertDirectoryExists($full_path);
        // Verify nested vendor directory was not excluded. Then remove it for next
        // validation.
        $this->assertFileExists($full_path . DIRECTORY_SEPARATOR . 'modules/my_module/vendor/my_vendor/composer.json');
        $file_system = new Filesystem();
        $file_system->remove($full_path . DIRECTORY_SEPARATOR . 'modules');
        // Use scandir() to determine if our target directory is empty. It should
        // only contain the system dot directories.
        $this->assertTrue(($files = @scandir($full_path)) && count($files) <= 2, 'Directory is not empty: ' . implode(', ', $files));
        $base->tearDown();
    }
    
    /**
     * Tests copying codebase when Drupal and Composer roots are different.
     *
     * @covers ::copyCodebase
     */
    public function testCopyCodebaseDocRoot() : void {
        // Create a virtual file system containing items that should be
        // excluded. Exception being modules directory.
        vfsStream::setup('drupal', NULL, [
            'docroot' => [
                'sites' => [
                    'default' => [
                        'files' => [
                            'a_file.txt' => 'some file.',
                        ],
                        'settings.php' => '<?php $settings = "stuff";',
                        'settings.local.php' => '<?php $settings = "override";',
                        'default.settings.php' => '<?php $settings = "default";',
                    ],
                    'simpletest' => [
                        'simpletest_hash' => [
                            'some_results.xml' => '<xml/>',
                        ],
                    ],
                ],
                'modules' => [
                    'my_module' => [
                        'vendor' => [
                            'my_vendor' => [
                                'composer.json' => "{\n}",
                            ],
                        ],
                    ],
                ],
            ],
            'vendor' => [
                'test.txt' => 'File exists',
            ],
        ]);
        // Mock BuildTestBase so that it thinks our VFS is the Composer and Drupal
        // roots.
        
        /** @var \PHPUnit\Framework\MockObject\MockBuilder|\Drupal\BuildTests\Framework\BuildTestBase $base */
        $base = $this->getMockBuilder(BuildTestBase::class)
            ->onlyMethods([
            'getDrupalRoot',
            'getComposerRoot',
        ])
            ->setConstructorArgs([
            'test',
        ])
            ->getMockForAbstractClass();
        $base->expects($this->exactly(3))
            ->method('getDrupalRoot')
            ->willReturn(vfsStream::url('drupal/docroot'));
        $base->expects($this->exactly(5))
            ->method('getComposerRoot')
            ->willReturn(vfsStream::url('drupal'));
        $base->setUp();
        // Perform the copy.
        $base->copyCodebase();
        $full_path = $base->getWorkspaceDirectory();
        $this->assertDirectoryExists($full_path . '/docroot');
        // Verify expected files exist.
        $this->assertFileExists($full_path . DIRECTORY_SEPARATOR . 'docroot/modules/my_module/vendor/my_vendor/composer.json');
        $this->assertFileExists($full_path . DIRECTORY_SEPARATOR . 'docroot/sites/default/default.settings.php');
        $this->assertFileExists($full_path . DIRECTORY_SEPARATOR . 'vendor');
        // Verify expected files do not exist
        $this->assertFileDoesNotExist($full_path . DIRECTORY_SEPARATOR . 'docroot/sites/default/settings.php');
        $this->assertFileDoesNotExist($full_path . DIRECTORY_SEPARATOR . 'docroot/sites/default/settings.local.php');
        $this->assertFileDoesNotExist($full_path . DIRECTORY_SEPARATOR . 'docroot/sites/default/files');
        // Ensure that the workspace Drupal root is calculated correctly.
        $this->assertSame($full_path . '/docroot/', $base->getWorkspaceDrupalRoot());
        $this->assertSame('docroot/', $base->getWorkingPathDrupalRoot());
        $base->tearDown();
    }
    
    /**
     * @covers ::findAvailablePort
     */
    public function testPortMany() : void {
        $iterator = (new Finder())->in($this->getDrupalRoot())
            ->ignoreDotFiles(FALSE)
            ->exclude([
            'sites/simpletest',
        ])
            ->path('/^.ht.router.php$/')
            ->getIterator();
        $this->copyCodebase($iterator);
        
        /** @var \Symfony\Component\Process\Process[] $processes */
        $processes = [];
        $count = 15;
        for ($i = 0; $i <= $count; $i++) {
            $port = $this->findAvailablePort();
            $this->assertArrayNotHasKey($port, $processes, 'Port ' . $port . ' was already in use by a process.');
            $processes[$port] = $this->instantiateServer($port);
            $this->assertNotEmpty($processes[$port]);
            $this->assertTrue($processes[$port]->isRunning(), 'Process on port ' . $port . ' is not still running.');
            $this->assertFalse($this->checkPortIsAvailable($port));
        }
        // Clean up after ourselves.
        foreach ($processes as $process) {
            $process->stop();
        }
    }
    
    /**
     * @covers ::standUpServer
     */
    public function testStandUpServer() : void {
        // Stand up a server with working directory 'first'.
        $this->standUpServer('first');
        // Get the process object for the server.
        $ref_process = new \ReflectionProperty(parent::class, 'serverProcess');
        $first_process = $ref_process->getValue($this);
        // Standing up the server again should not change the server process.
        $this->standUpServer('first');
        $this->assertSame($first_process, $ref_process->getValue($this));
        // Standing up the server with working directory 'second' should give us a
        // new server process.
        $this->standUpServer('second');
        $this->assertNotSame($first_process, $second_process = $ref_process->getValue($this));
        // And even with the original working directory name, we should get a new
        // server process.
        $this->standUpServer('first');
        $this->assertNotSame($first_process, $ref_process->getValue($this));
        $this->assertNotSame($second_process, $ref_process->getValue($this));
    }

}