LibraryDiscoveryIntegrationTest.php

Same filename in other branches
  1. 8.9.x core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php
  2. 10 core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php
  3. 11.x core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php

Namespace

Drupal\KernelTests\Core\Asset

File

core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php

View source
<?php

namespace Drupal\KernelTests\Core\Asset;

use Drupal\Core\Asset\Exception\InvalidLibrariesExtendSpecificationException;
use Drupal\Core\Asset\Exception\InvalidLibrariesOverrideSpecificationException;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests the library discovery and library discovery parser.
 *
 * @group Render
 */
class LibraryDiscoveryIntegrationTest extends KernelTestBase {
    
    /**
     * The library discovery service.
     *
     * @var \Drupal\Core\Asset\LibraryDiscoveryInterface
     */
    protected $libraryDiscovery;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'theme_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->container
            ->get('theme_installer')
            ->install([
            'test_theme',
            'starterkit_theme',
        ]);
        $this->libraryDiscovery = $this->container
            ->get('library.discovery');
    }
    
    /**
     * Tests that hook_library_info is invoked and the cache is cleared.
     */
    public function testHookLibraryInfoByTheme() {
        // Activate test_theme and verify that the library 'kitten' is added using
        // hook_library_info_alter().
        $this->activateTheme('test_theme');
        $this->assertNotEmpty($this->libraryDiscovery
            ->getLibraryByName('test_theme', 'kitten'));
        // Now make starterkit_theme the active theme and assert that library is not
        // added.
        $this->activateTheme('starterkit_theme');
        $this->assertFalse($this->libraryDiscovery
            ->getLibraryByName('test_theme', 'kitten'));
    }
    
    /**
     * Tests that libraries-override are applied to library definitions.
     */
    public function testLibrariesOverride() {
        // Assert some starterkit_theme libraries that will be overridden or
        // removed.
        $this->activateTheme('starterkit_theme');
        $this->assertAssetInLibrary('core/themes/starterkit_theme/css/components/button.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/themes/starterkit_theme/css/components/collapse-processed.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/themes/starterkit_theme/css/components/container-inline.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/themes/starterkit_theme/css/components/details.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/themes/starterkit_theme/css/components/dialog.css', 'starterkit_theme', 'dialog', 'css');
        // Confirmatory assert on core library to be removed.
        $this->assertNotEmpty($this->libraryDiscovery
            ->getLibraryByName('core', 'drupal.progress'), 'Confirmatory test on "core/drupal.progress"');
        // Activate test theme that defines libraries overrides.
        $this->activateTheme('test_theme');
        // Assert that entire library was correctly overridden.
        $this->assertEquals($this->libraryDiscovery
            ->getLibraryByName('core', 'drupal.collapse'), $this->libraryDiscovery
            ->getLibraryByName('test_theme', 'collapse'), 'Entire library correctly overridden.');
        // Assert that starterkit_theme library assets were correctly overridden or
        // removed.
        $this->assertNoAssetInLibrary('core/themes/starterkit_theme/css/components/button.css', 'starterkit_theme', 'base', 'css');
        $this->assertNoAssetInLibrary('core/themes/starterkit_theme/css/components/collapse-processed.css', 'starterkit_theme', 'base', 'css');
        $this->assertNoAssetInLibrary('core/themes/starterkit_theme/css/components/container-inline.css', 'starterkit_theme', 'base', 'css');
        $this->assertNoAssetInLibrary('core/themes/starterkit_theme/css/components/details.css', 'starterkit_theme', 'base', 'css');
        $this->assertNoAssetInLibrary('core/themes/starterkit_theme/css/components/dialog.css', 'starterkit_theme', 'dialog', 'css');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_theme/css/my-button.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_theme/css/my-collapse-processed.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('themes/my_theme/css/my-container-inline.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('themes/my_theme/css/my-details.css', 'starterkit_theme', 'base', 'css');
        // Assert that entire library was correctly removed.
        $this->assertFalse($this->libraryDiscovery
            ->getLibraryByName('core', 'drupal.progress'), 'Entire library correctly removed.');
        // Assert that overridden library asset still retains attributes.
        $library = $this->libraryDiscovery
            ->getLibraryByName('core', 'jquery');
        foreach ($library['js'] as $definition) {
            if ($definition['data'] == 'core/modules/system/tests/themes/test_theme/js/collapse.js') {
                $this->assertTrue($definition['minified']);
                $this->assertSame(-20, $definition['weight'], 'Previous attributes retained');
                break;
            }
        }
    }
    
    /**
     * Tests libraries-override on drupalSettings.
     */
    public function testLibrariesOverrideDrupalSettings() {
        // Activate test theme that attempts to override drupalSettings.
        $this->activateTheme('test_theme_libraries_override_with_drupal_settings');
        // Assert that drupalSettings cannot be overridden and throws an exception.
        try {
            $this->libraryDiscovery
                ->getLibraryByName('core', 'drupal.ajax');
            $this->fail('Throw Exception when trying to override drupalSettings');
        } catch (InvalidLibrariesOverrideSpecificationException $e) {
            $expected_message = 'drupalSettings may not be overridden in libraries-override. Trying to override core/drupal.ajax/drupalSettings. Use hook_library_info_alter() instead.';
            $this->assertEquals($expected_message, $e->getMessage(), 'Throw Exception when trying to override drupalSettings');
        }
    }
    
    /**
     * Tests libraries-override on malformed assets.
     */
    public function testLibrariesOverrideMalformedAsset() {
        // Activate test theme that overrides with a malformed asset.
        $this->activateTheme('test_theme_libraries_override_with_invalid_asset');
        // Assert that improperly formed asset "specs" throw an exception.
        try {
            $this->libraryDiscovery
                ->getLibraryByName('core', 'drupal.dialog');
            $this->fail('Throw Exception when specifying invalid override');
        } catch (InvalidLibrariesOverrideSpecificationException $e) {
            $expected_message = 'Library asset core/drupal.dialog/css is not correctly specified. It should be in the form "extension/library_name/sub_key/path/to/asset.js".';
            $this->assertEquals($expected_message, $e->getMessage(), 'Throw Exception when specifying invalid override');
        }
    }
    
    /**
     * Tests library assets with other ways for specifying paths.
     */
    public function testLibrariesOverrideOtherAssetLibraryNames() {
        // Activate a test theme that defines libraries overrides on other types of
        // assets.
        $this->activateTheme('test_theme');
        // Assert Drupal-relative paths.
        $this->assertAssetInLibrary('themes/my_theme/css/dropbutton.css', 'core', 'drupal.dropbutton', 'css');
        // Assert stream wrapper paths.
        $this->assertAssetInLibrary('public://my_css/vertical-tabs.css', 'core', 'drupal.vertical-tabs', 'css');
        // Assert a protocol-relative URI.
        $this->assertAssetInLibrary('//my-server/my_theme/js/overridden.js', 'core', 'drupal.displace', 'js');
        // Assert an absolute URI.
        $this->assertAssetInLibrary('http://example.com/my_theme/js/loadjs.min.js', 'core', 'loadjs', 'js');
    }
    
    /**
     * Tests that base theme libraries-override still apply in sub themes.
     */
    public function testBaseThemeLibrariesOverrideInSubTheme() {
        // Activate a test theme that has subthemes.
        $this->activateTheme('test_subtheme');
        // Assert that libraries-override specified in the base theme still applies
        // in the sub theme.
        $this->assertNoAssetInLibrary('core/misc/dialog/dialog.js', 'core', 'drupal.dialog', 'js');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_basetheme/js/loadjs.min.js', 'core', 'loadjs', 'js');
    }
    
    /**
     * Tests libraries-extend.
     */
    public function testLibrariesExtend() {
        // Simulate starterkit_theme defining the book-navigation library.
        // @see theme_test_library_info_alter()
        $this->container
            ->get('state')
            ->set('theme_test_library_info_alter starterkit_theme', [
            'book-navigation' => [
                'css' => [
                    'component' => [
                        'css/components/book-navigation.css' => [],
                    ],
                ],
            ],
        ]);
        // Activate starterkit_theme and verify the libraries are not extended.
        $this->activateTheme('starterkit_theme');
        $this->assertNoAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/css/extend_1.css', 'starterkit_theme', 'book-navigation', 'css');
        $this->assertNoAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/js/extend_1.js', 'starterkit_theme', 'book-navigation', 'js');
        $this->assertNoAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/css/extend_2.css', 'starterkit_theme', 'book-navigation', 'css');
        // Activate the theme that extends the book-navigation library in
        // starterkit_theme.
        $this->activateTheme('test_theme_libraries_extend');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/css/extend_1.css', 'starterkit_theme', 'book-navigation', 'css');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/js/extend_1.js', 'starterkit_theme', 'book-navigation', 'js');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_theme_libraries_extend/css/extend_2.css', 'starterkit_theme', 'book-navigation', 'css');
        // Activate a sub theme and confirm that it inherits the library assets
        // extended in the base theme as well as its own.
        $this->assertNoAssetInLibrary('core/modules/system/tests/themes/test_basetheme/css/base-libraries-extend.css', 'starterkit_theme', 'base', 'css');
        $this->assertNoAssetInLibrary('core/modules/system/tests/themes/test_subtheme/css/sub-libraries-extend.css', 'starterkit_theme', 'base', 'css');
        $this->activateTheme('test_subtheme');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_basetheme/css/base-libraries-extend.css', 'starterkit_theme', 'base', 'css');
        $this->assertAssetInLibrary('core/modules/system/tests/themes/test_subtheme/css/sub-libraries-extend.css', 'starterkit_theme', 'base', 'css');
        // Activate test theme that extends with a non-existent library. An
        // exception should be thrown.
        $this->activateTheme('test_theme_libraries_extend');
        try {
            $this->libraryDiscovery
                ->getLibraryByName('core', 'drupal.dialog');
            $this->fail('Throw Exception when specifying non-existent libraries-extend.');
        } catch (InvalidLibrariesExtendSpecificationException $e) {
            $expected_message = 'The specified library "test_theme_libraries_extend/non_existent_library" does not exist.';
            $this->assertEquals($expected_message, $e->getMessage(), 'Throw Exception when specifying non-existent libraries-extend.');
        }
        // Also, test non-string libraries-extend. An exception should be thrown.
        $this->container
            ->get('theme_installer')
            ->install([
            'test_theme',
        ]);
        try {
            $this->libraryDiscovery
                ->getLibraryByName('test_theme', 'collapse');
            $this->fail('Throw Exception when specifying non-string libraries-extend.');
        } catch (InvalidLibrariesExtendSpecificationException $e) {
            $expected_message = 'The libraries-extend specification for each library must be a list of strings.';
            $this->assertEquals($expected_message, $e->getMessage(), 'Throw Exception when specifying non-string libraries-extend.');
        }
    }
    
    /**
     * Test deprecated libraries.
     *
     * @group legacy
     */
    public function testDeprecatedLibrary() {
        $this->expectDeprecation('Theme "theme_test" is overriding a deprecated library. The "theme_test/deprecated_library" asset library is deprecated in drupal:X.0.0 and is removed from drupal:Y.0.0. Use another library instead. See https://www.example.com');
        $this->expectDeprecation('Theme "theme_test" is extending a deprecated library. The "theme_test/another_deprecated_library" asset library is deprecated in drupal:X.0.0 and is removed from drupal:Y.0.0. Use another library instead. See https://www.example.com');
        $this->expectDeprecation('The "theme_test/deprecated_library" asset library is deprecated in drupal:X.0.0 and is removed from drupal:Y.0.0. Use another library instead. See https://www.example.com');
        $this->expectDeprecation('The "theme_test/another_deprecated_library" asset library is deprecated in drupal:X.0.0 and is removed from drupal:Y.0.0. Use another library instead. See https://www.example.com');
        $this->activateTheme('test_legacy_theme');
        $this->libraryDiscovery
            ->getLibraryByName('theme_test', 'deprecated_library');
        $this->libraryDiscovery
            ->getLibraryByName('theme_test', 'another_deprecated_library');
    }
    
    /**
     * Activates a specified theme.
     *
     * Installs the theme if not already installed and makes it the active theme.
     *
     * @param string $theme_name
     *   The name of the theme to be activated.
     */
    protected function activateTheme($theme_name) {
        $this->container
            ->get('theme_installer')
            ->install([
            $theme_name,
        ]);
        
        /** @var \Drupal\Core\Theme\ThemeInitializationInterface $theme_initializer */
        $theme_initializer = $this->container
            ->get('theme.initialization');
        
        /** @var \Drupal\Core\Theme\ThemeManagerInterface $theme_manager */
        $theme_manager = $this->container
            ->get('theme.manager');
        $theme_manager->setActiveTheme($theme_initializer->getActiveThemeByName($theme_name));
        $this->libraryDiscovery
            ->clearCachedDefinitions();
        $this->assertSame($theme_name, $theme_manager->getActiveTheme()
            ->getName());
    }
    
    /**
     * Asserts that the specified asset is in the given library.
     *
     * @param string $asset
     *   The asset file with the path for the file.
     * @param string $extension
     *   The extension in which the $library is defined.
     * @param string $library_name
     *   Name of the library.
     * @param string $sub_key
     *   The library sub key where the given asset is defined.
     * @param string $message
     *   (optional) A message to display with the assertion.
     *
     * @internal
     */
    protected function assertAssetInLibrary(string $asset, string $extension, string $library_name, string $sub_key, string $message = NULL) : void {
        if (!isset($message)) {
            $message = sprintf('Asset %s found in library "%s/%s"', $asset, $extension, $library_name);
        }
        $library = $this->libraryDiscovery
            ->getLibraryByName($extension, $library_name);
        foreach ($library[$sub_key] as $definition) {
            if ($asset == $definition['data']) {
                return;
            }
        }
        $this->fail($message);
    }
    
    /**
     * Asserts that the specified asset is not in the given library.
     *
     * @param string $asset
     *   The asset file with the path for the file.
     * @param string $extension
     *   The extension in which the $library_name is defined.
     * @param string $library_name
     *   Name of the library.
     * @param string $sub_key
     *   The library sub key where the given asset is defined.
     * @param string $message
     *   (optional) A message to display with the assertion.
     *
     * @internal
     */
    protected function assertNoAssetInLibrary(string $asset, string $extension, string $library_name, string $sub_key, string $message = NULL) : void {
        if (!isset($message)) {
            $message = sprintf('Asset %s not found in library "%s/%s"', $asset, $extension, $library_name);
        }
        $library = $this->libraryDiscovery
            ->getLibraryByName($extension, $library_name);
        foreach ($library[$sub_key] as $definition) {
            if ($asset == $definition['data']) {
                $this->fail($message);
            }
        }
    }

}

Classes

Title Deprecated Summary
LibraryDiscoveryIntegrationTest Tests the library discovery and library discovery parser.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.