class PhpStorageFactoryTest

class PhpStorageFactoryTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Empty the PHP storage settings, as KernelTestBase sets it by default.
        $settings = Settings::getAll();
        unset($settings['php_storage']);
        new Settings($settings);
    }
    
    /**
     * Tests the get() method with no settings.
     */
    public function testGetNoSettings() {
        $php = PhpStorageFactory::get('test');
        // This should be the default class used.
        $this->assertInstanceOf(MTimeProtectedFileStorage::class, $php);
    }
    
    /**
     * Tests the get() method using the 'default' settings.
     */
    public function testGetDefault() {
        $this->setSettings();
        $php = PhpStorageFactory::get('test');
        $this->assertInstanceOf(MockPhpStorage::class, $php);
    }
    
    /**
     * Tests the get() method with overridden settings.
     */
    public function testGetOverride() {
        $this->setSettings('test');
        $php = PhpStorageFactory::get('test');
        // The FileReadOnlyStorage should be used from settings.
        $this->assertInstanceOf(MockPhpStorage::class, $php);
        // Test that the name is used for the bin when it is NULL.
        $this->setSettings('test', [
            'bin' => NULL,
        ]);
        $php = PhpStorageFactory::get('test');
        $this->assertInstanceOf(MockPhpStorage::class, $php);
        $this->assertSame('test', $php->getConfigurationValue('bin'), 'Name value was used for bin.');
        // Test that a default directory is set if it's empty.
        $this->setSettings('test', [
            'directory' => NULL,
        ]);
        $php = PhpStorageFactory::get('test');
        $this->assertInstanceOf(MockPhpStorage::class, $php);
        $this->assertSame(PublicStream::basePath() . '/php', $php->getConfigurationValue('directory'), 'Default file directory was used.');
        // Test that a default storage class is set if it's empty.
        $this->setSettings('test', [
            'class' => NULL,
        ]);
        $php = PhpStorageFactory::get('test');
        $this->assertInstanceOf(MTimeProtectedFileStorage::class, $php);
        // Test that a default secret is not returned if it's set in the override.
        $this->setSettings('test');
        $php = PhpStorageFactory::get('test');
        $this->assertNotEquals('mock hash salt', $php->getConfigurationValue('secret'), 'The default secret is not used if a secret is set in the overridden settings.');
        // Test that a default secret is set if it's empty.
        $this->setSettings('test', [
            'secret' => NULL,
        ]);
        $php = PhpStorageFactory::get('test');
        $this->assertSame('mock hash salt', $php->getConfigurationValue('secret'), 'The default secret is used if one is not set in the overridden settings.');
    }
    
    /**
     * Sets the Settings() singleton.
     *
     * @param string $name
     *   The storage bin name to set.
     * @param array $configuration
     *   An array of configuration to set. Will be merged with default values.
     */
    protected function setSettings($name = 'default', array $configuration = []) {
        $settings['php_storage'][$name] = $configuration + [
            'class' => 'Drupal\\system\\PhpStorage\\MockPhpStorage',
            'directory' => 'tmp://',
            'secret' => $this->randomString(),
            'bin' => 'test',
        ];
        $settings['hash_salt'] = 'mock hash salt';
        new Settings($settings);
    }

}