class ConfigInstallWebTest

class ConfigInstallWebTest extends BrowserTestBase {
    
    /**
     * The admin user used in this test.
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->adminUser = $this->drupalCreateUser([
            'administer modules',
            'administer themes',
            'administer site configuration',
        ]);
        // Ensure the global variable being asserted by this test does not exist;
        // a previous test executed in this request/process might have set it.
        unset($GLOBALS['hook_config_test']);
    }
    
    /**
     * Tests module re-installation.
     */
    public function testIntegrationModuleReinstallation() : void {
        $default_config = 'config_integration_test.settings';
        $default_configuration_entity = 'config_test.dynamic.config_integration_test';
        // Install the config_test module we're integrating with.
        \Drupal::service('module_installer')->install([
            'config_test',
        ]);
        // Verify the configuration does not exist prior to installation.
        $config_static = $this->config($default_config);
        $this->assertTrue($config_static->isNew());
        $config_entity = $this->config($default_configuration_entity);
        $this->assertTrue($config_entity->isNew());
        // Install the integration module.
        \Drupal::service('module_installer')->install([
            'config_integration_test',
        ]);
        $this->resetAll();
        // Verify that default module config exists.
        \Drupal::configFactory()->reset($default_config);
        \Drupal::configFactory()->reset($default_configuration_entity);
        $config_static = $this->config($default_config);
        $this->assertFalse($config_static->isNew());
        $this->assertSame('default setting', $config_static->get('foo'));
        $config_entity = $this->config($default_configuration_entity);
        $this->assertFalse($config_entity->isNew());
        $this->assertSame('Default integration config label', $config_entity->get('label'));
        // Customize both configuration objects.
        $config_static->set('foo', 'customized setting')
            ->save();
        $config_entity->set('label', 'Customized integration config label')
            ->save();
        // @todo FIXME: Setting config keys WITHOUT SAVING retains the changed config
        //   object in memory. Every new call to $this->config() MUST revert in-memory changes
        //   that haven't been saved!
        //   In other words: This test passes even without this reset, but it shouldn't.
        $this->container
            ->get('config.factory')
            ->reset();
        // Disable and uninstall the integration module.
        $this->container
            ->get('module_installer')
            ->uninstall([
            'config_integration_test',
        ]);
        // Verify the integration module's config was uninstalled.
        $config_static = $this->config($default_config);
        $this->assertTrue($config_static->isNew());
        // Verify the integration config still exists.
        $config_entity = $this->config($default_configuration_entity);
        $this->assertFalse($config_entity->isNew());
        $this->assertSame('Customized integration config label', $config_entity->get('label'));
        // Reinstall the integration module.
        try {
            \Drupal::service('module_installer')->install([
                'config_integration_test',
            ]);
            $this->fail('Expected PreExistingConfigException not thrown.');
        } catch (PreExistingConfigException $e) {
            $this->assertEquals('config_integration_test', $e->getExtension());
            $this->assertEquals([
                StorageInterface::DEFAULT_COLLECTION => [
                    'config_test.dynamic.config_integration_test',
                ],
            ], $e->getConfigObjects());
            $this->assertEquals('Configuration objects (config_test.dynamic.config_integration_test) provided by config_integration_test already exist in active configuration', $e->getMessage());
        }
        // Delete the configuration entity so that the install will work.
        $config_entity->delete();
        \Drupal::service('module_installer')->install([
            'config_integration_test',
        ]);
        // Verify the integration module's config was re-installed.
        \Drupal::configFactory()->reset($default_config);
        \Drupal::configFactory()->reset($default_configuration_entity);
        $config_static = $this->config($default_config);
        $this->assertFalse($config_static->isNew());
        $this->assertSame('default setting', $config_static->get('foo'));
        // Verify the integration config is using the default.
        $config_entity = \Drupal::config($default_configuration_entity);
        $this->assertFalse($config_entity->isNew());
        $this->assertSame('Default integration config label', $config_entity->get('label'));
    }
    
    /**
     * Tests pre-existing configuration detection.
     */
    public function testPreExistingConfigInstall() : void {
        $this->drupalLogin($this->adminUser);
        // Try to install config_install_fail_test and config_test. Doing this
        // will install the config_test module first because it is a dependency of
        // config_install_fail_test.
        // @see \Drupal\system\Form\ModulesListForm::submitForm()
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_test][enable]' => TRUE,
            'modules[config_install_fail_test][enable]' => TRUE,
        ], 'Install');
        $this->assertSession()
            ->responseContains('Unable to install Configuration install fail test, <em class="placeholder">config_test.dynamic.dotted.default</em> already exists in active configuration.');
        // Uninstall the config_test module to test the confirm form.
        $this->drupalGet('admin/modules/uninstall');
        $this->submitForm([
            'uninstall[config_test]' => TRUE,
        ], 'Uninstall');
        $this->submitForm([], 'Uninstall');
        // Try to install config_install_fail_test without selecting config_test.
        // The user is shown a confirm form because the config_test module is a
        // dependency.
        // @see \Drupal\system\Form\ModulesListConfirmForm::submitForm()
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_install_fail_test][enable]' => TRUE,
        ], 'Install');
        $this->submitForm([], 'Continue');
        $this->assertSession()
            ->responseContains('Unable to install Configuration install fail test, <em class="placeholder">config_test.dynamic.dotted.default</em> already exists in active configuration.');
        // Test that collection configuration clashes during a module install are
        // reported correctly.
        \Drupal::service('module_installer')->install([
            'language',
        ]);
        $this->rebuildContainer();
        ConfigurableLanguage::createFromLangcode('fr')->save();
        \Drupal::languageManager()->getLanguageConfigOverride('fr', 'config_test.dynamic.dotted.default')
            ->set('label', 'Je suis Charlie')
            ->save();
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_install_fail_test][enable]' => TRUE,
        ], 'Install');
        $this->assertSession()
            ->responseContains('Unable to install Configuration install fail test, <em class="placeholder">config_test.dynamic.dotted.default, language/fr/config_test.dynamic.dotted.default</em> already exist in active configuration.');
        // Test installing a theme through the UI that has existing configuration.
        // This relies on the fact the config_test has been installed and created
        // the config_test.dynamic.dotted.default configuration and the translation
        // override created still exists.
        $this->drupalGet('admin/appearance');
        $url = $this->xpath("//a[contains(@href,'config_clash_test_theme') and contains(@href,'/install?')]/@href")[0];
        $this->drupalGet($this->getAbsoluteUrl($url->getText()));
        $this->assertSession()
            ->responseContains('Unable to install config_clash_test_theme, <em class="placeholder">config_test.dynamic.dotted.default, language/fr/config_test.dynamic.dotted.default</em> already exist in active configuration.');
        // Test installing a theme through the API that has existing configuration.
        try {
            \Drupal::service('theme_installer')->install([
                'config_clash_test_theme',
            ]);
            $this->fail('Expected PreExistingConfigException not thrown.');
        } catch (PreExistingConfigException $e) {
            $this->assertEquals('config_clash_test_theme', $e->getExtension());
            $this->assertEquals([
                StorageInterface::DEFAULT_COLLECTION => [
                    'config_test.dynamic.dotted.default',
                ],
                'language.fr' => [
                    'config_test.dynamic.dotted.default',
                ],
            ], $e->getConfigObjects());
            $this->assertEquals('Configuration objects (config_test.dynamic.dotted.default, language/fr/config_test.dynamic.dotted.default) provided by config_clash_test_theme already exist in active configuration', $e->getMessage());
        }
    }
    
    /**
     * Tests unmet dependencies detection.
     */
    public function testUnmetDependenciesInstall() : void {
        $this->drupalLogin($this->adminUser);
        // We need to install separately since config_install_dependency_test does
        // not depend on config_test and order is important.
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_test][enable]' => TRUE,
        ], 'Install');
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_install_dependency_test][enable]' => TRUE,
        ], 'Install');
        $this->assertSession()
            ->responseContains('Unable to install <em class="placeholder">Config install dependency test</em> due to unmet dependencies: <em class="placeholder">config_test.dynamic.other_module_test_with_dependency (config_other_module_config_test, config_test.dynamic.dotted.english)</em>');
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_test_language][enable]' => TRUE,
        ], 'Install');
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_install_dependency_test][enable]' => TRUE,
        ], 'Install');
        $this->assertSession()
            ->responseContains('Unable to install <em class="placeholder">Config install dependency test</em> due to unmet dependencies: <em class="placeholder">config_test.dynamic.other_module_test_with_dependency (config_other_module_config_test)</em>');
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_other_module_config_test][enable]' => TRUE,
        ], 'Install');
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config_install_dependency_test][enable]' => TRUE,
        ], 'Install');
        $this->rebuildContainer();
        $this->assertInstanceOf(ConfigTest::class, \Drupal::entityTypeManager()->getStorage('config_test')
            ->load('other_module_test_with_dependency'));
    }
    
    /**
     * Tests config_requirements().
     */
    public function testConfigModuleRequirements() : void {
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[config][enable]' => TRUE,
        ], 'Install');
        $directory = Settings::get('config_sync_directory');
        try {
            \Drupal::service('file_system')->deleteRecursive($directory);
        } catch (FileException $e) {
            // Ignore failed deletes.
        }
        $this->drupalGet('/admin/reports/status');
        $this->assertSession()
            ->pageTextContains("The directory {$directory} does not exist.");
    }

}