ModulesListFormWebTest.php

<?php

namespace Drupal\Tests\system\Functional\Form;

use Drupal\Core\Serialization\Yaml;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests \Drupal\system\Form\ModulesListForm.
 *
 * @group Form
 */
class ModulesListFormWebTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system_test',
        'help',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        \Drupal::state()->set('system_test.module_hidden', FALSE);
        $this->drupalLogin($this->drupalCreateUser([
            'administer modules',
            'administer permissions',
        ]));
    }
    
    /**
     * Tests the module list form.
     */
    public function testModuleListForm() {
        $this->drupalGet('admin/modules');
        // Check that system_test's configure link was rendered correctly.
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@href, '/system-test/configure/bar') and text()='Configure ']/span[contains(@class, 'visually-hidden') and text()='System test']");
        // Check that system_test's permissions link was rendered correctly.
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@href, '/admin/people/permissions/module/system_test') and text()='Permissions ']/span[contains(@class, 'visually-hidden') and text()='for System test']");
        // Check that system_test's help link was rendered correctly.
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@href, '/admin/help/system_test') and text()='Help ']/span[contains(@class, 'visually-hidden') and text()='for System test']");
        // Ensure that the Database Logging module's machine name is printed. This
        // module is used because its machine name is different than its human
        // readable name.
        $this->assertSession()
            ->pageTextContains('dblog');
        // Check that the deprecated module link was rendered correctly.
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@aria-label, 'View information on the Deprecated status of the module Deprecated module')]");
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@href, 'http://example.com/deprecated')]");
        // Check that obsolete modules are not displayed.
        $this->assertSession()
            ->pageTextNotContains('(Obsolete)');
    }
    
    /**
     * Tests the status message when enabling one or more modules.
     */
    public function testModulesListFormStatusMessage() {
        $this->drupalGet('admin/modules');
        // Enable a module that does not define permissions.
        $edit = [
            'modules[layout_discovery][enable]' => 'layout_discovery',
        ];
        $this->submitForm($edit, 'Install');
        $this->assertSession()
            ->elementTextContains('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]", 'Module Layout Discovery has been enabled.');
        $this->assertSession()
            ->elementNotExists('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]//a");
        // Enable a module that defines permissions.
        $edit = [
            'modules[action][enable]' => 'action',
        ];
        $this->submitForm($edit, 'Install');
        $this->assertSession()
            ->elementTextContains('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]", 'Module Actions has been enabled.');
        $this->assertSession()
            ->elementExists('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]//a[contains(@href, '/admin/people/permissions/module/action')]");
        // Enable a module that has dependencies and both define permissions.
        $edit = [
            'modules[content_moderation][enable]' => 'content_moderation',
        ];
        $this->submitForm($edit, 'Install');
        $this->submitForm([], 'Continue');
        $this->assertSession()
            ->elementTextContains('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]", '2 modules have been enabled: Content Moderation, Workflows.');
        $this->assertSession()
            ->elementExists('xpath', "//div[@role='contentinfo' and h2[text()='Status message']]//a[contains(@href, '/admin/people/permissions/module/content_moderation%2Cworkflows')]");
    }
    
    /**
     * Tests the module form with modules with invalid info.yml files.
     */
    public function testModulesListFormWithInvalidInfoFile() {
        $path = \Drupal::getContainer()->getParameter('site.path') . "/modules/broken";
        mkdir($path, 0777, TRUE);
        $file_path = "{$path}/broken.info.yml";
        $broken_infos = [
            [
                'yml' => <<<BROKEN
name: Module with no core_version_requirement or core
type: module
BROKEN
,
                'expected_error' => "The 'core_version_requirement' key must be present in {$file_path}",
            ],
            [
                'yml' => <<<BROKEN
name: Module no core_version_requirement and invalid core
type: module
core: 9.x
BROKEN
,
                'expected_error' => "'core: 9.x' is not supported. Use 'core_version_requirement' to specify core compatibility. Only 'core: 8.x' is supported to provide backwards compatibility for Drupal 8 when needed in {$file_path}",
            ],
            [
                'yml' => <<<BROKEN
name: Module with core_version_requirement and invalid core
type: module
core: 9.x
core_version_requirement: ^8 || ^9
BROKEN
,
                'expected_error' => "'core: 9.x' is not supported. Use 'core_version_requirement' to specify core compatibility. Only 'core: 8.x' is supported to provide backwards compatibility for Drupal 8 when needed in {$file_path}",
            ],
        ];
        foreach ($broken_infos as $broken_info) {
            file_put_contents($file_path, $broken_info['yml']);
            $this->drupalGet('admin/modules');
            $this->assertSession()
                ->statusCodeEquals(200);
            $this->assertSession()
                ->pageTextContains('Modules could not be listed due to an error: ' . $broken_info['expected_error']);
            // Check that the module filter text box is available.
            $this->assertSession()
                ->elementExists('xpath', '//input[@name="text"]');
            unlink($file_path);
            $this->drupalGet('admin/modules');
            $this->assertSession()
                ->statusCodeEquals(200);
            // Check that the module filter text box is available.
            $this->assertSession()
                ->elementExists('xpath', '//input[@name="text"]');
            $this->assertSession()
                ->pageTextNotContains('Modules could not be listed due to an error');
        }
    }
    
    /**
     * Confirm that module 'Required By' descriptions include dependent themes.
     */
    public function testRequiredByThemeMessage() {
        $this->drupalGet('admin/modules');
        $module_theme_depends_on_description = $this->getSession()
            ->getPage()
            ->findAll('css', '#edit-modules-test-module-required-by-theme-enable-description .admin-requirements li:contains("Test Theme Depending on Modules (theme) (disabled)")');
        // Confirm that 'Test Theme Depending on Modules' is listed as being
        // required by the module 'Test Module Required by Theme'.
        $this->assertCount(1, $module_theme_depends_on_description);
        // Confirm that the required by message does not appear anywhere else.
        $this->assertSession()
            ->pageTextContains('Test Theme Depending on Modules (Theme) (Disabled)');
    }
    
    /**
     * Tests that incompatible modules message is shown.
     */
    public function testInstalledIncompatibleModule() {
        $incompatible_modules_message = 'There are errors with some installed modules. Visit the status report page for more information.';
        $path = \Drupal::getContainer()->getParameter('site.path') . "/modules/changing_module";
        mkdir($path, 0777, TRUE);
        $file_path = "{$path}/changing_module.info.yml";
        $info = [
            'name' => 'Module that changes',
            'type' => 'module',
        ];
        $compatible_info = $info + [
            'core_version_requirement' => '*',
        ];
        file_put_contents($file_path, Yaml::encode($compatible_info));
        $edit = [
            'modules[changing_module][enable]' => 'changing_module',
        ];
        $this->drupalGet('admin/modules');
        $this->submitForm($edit, 'Install');
        $this->assertSession()
            ->pageTextContains('Module Module that changes has been enabled.');
        $incompatible_updates = [
            [
                'core_version_requirement' => '^1',
            ],
            [
                'core' => '8.x',
            ],
        ];
        foreach ($incompatible_updates as $incompatible_update) {
            $incompatible_info = $info + $incompatible_update;
            file_put_contents($file_path, Yaml::encode($incompatible_info));
            $this->drupalGet('admin/modules');
            $this->assertSession()
                ->pageTextContains($incompatible_modules_message);
            file_put_contents($file_path, Yaml::encode($compatible_info));
            $this->drupalGet('admin/modules');
            $this->assertSession()
                ->pageTextNotContains($incompatible_modules_message);
        }
        // Uninstall the module and ensure that incompatible modules message is not
        // displayed for modules that are not installed.
        $edit = [
            'uninstall[changing_module]' => 'changing_module',
        ];
        $this->drupalGet('admin/modules/uninstall');
        $this->submitForm($edit, 'Uninstall');
        $this->submitForm([], 'Uninstall');
        $this->assertSession()
            ->pageTextContains('The selected modules have been uninstalled.');
        foreach ($incompatible_updates as $incompatible_update) {
            $incompatible_info = $info + $incompatible_update;
            file_put_contents($file_path, Yaml::encode($incompatible_info));
            $this->drupalGet('admin/modules');
            $this->assertSession()
                ->pageTextNotContains($incompatible_modules_message);
        }
    }

}