class ConfigSchemaTest

class ConfigSchemaTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'system',
        'language',
        'field',
        'image',
        'config_test',
        'config_schema_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installConfig([
            'system',
            'image',
            'config_schema_test',
        ]);
    }
    
    /**
     * Tests the basic metadata retrieval layer.
     */
    public function testSchemaMapping() {
        // Nonexistent configuration key will have Undefined as metadata.
        $this->assertFalse(\Drupal::service('config.typed')->hasConfigSchema('config_schema_test.no_such_key'));
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.no_such_key');
        $expected = [];
        $expected['label'] = 'Undefined';
        $expected['class'] = Undefined::class;
        $expected['type'] = 'undefined';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\DataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for nonexistent configuration.');
        // Configuration file without schema will return Undefined as well.
        $this->assertFalse(\Drupal::service('config.typed')->hasConfigSchema('config_schema_test.noschema'));
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.noschema');
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for configuration with no schema.');
        // Configuration file with only some schema.
        $this->assertTrue(\Drupal::service('config.typed')->hasConfigSchema('config_schema_test.someschema'));
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.someschema');
        $expected = [];
        $expected['label'] = 'Schema test data';
        $expected['class'] = Mapping::class;
        $expected['mapping']['langcode']['type'] = 'string';
        $expected['mapping']['langcode']['label'] = 'Language code';
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['mapping']['testitem'] = [
            'label' => 'Test item',
        ];
        $expected['mapping']['testlist'] = [
            'label' => 'Test list',
        ];
        $expected['type'] = 'config_schema_test.someschema';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for configuration with only some schema.');
        // Check type detection on elements with undefined types.
        $config = \Drupal::service('config.typed')->get('config_schema_test.someschema');
        $definition = $config->get('testitem')
            ->getDataDefinition()
            ->toArray();
        $expected = [];
        $expected['label'] = 'Test item';
        $expected['class'] = Undefined::class;
        $expected['type'] = 'undefined';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\DataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Automatic type detected for a scalar is undefined.');
        $definition = $config->get('testlist')
            ->getDataDefinition()
            ->toArray();
        $expected = [];
        $expected['label'] = 'Test list';
        $expected['class'] = Undefined::class;
        $expected['type'] = 'undefined';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\DataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Automatic type detected for a list is undefined.');
        $definition = $config->get('test_no_schema')
            ->getDataDefinition()
            ->toArray();
        $expected = [];
        $expected['label'] = 'Undefined';
        $expected['class'] = Undefined::class;
        $expected['type'] = 'undefined';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\DataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Automatic type detected for an undefined integer is undefined.');
        // Simple case, straight metadata.
        $definition = \Drupal::service('config.typed')->getDefinition('system.maintenance');
        $expected = [];
        $expected['label'] = 'Maintenance mode';
        $expected['class'] = Mapping::class;
        $expected['mapping']['message'] = [
            'label' => 'Message to display when in maintenance mode',
            'type' => 'text',
        ];
        $expected['mapping']['langcode'] = [
            'label' => 'Language code',
            'type' => 'string',
        ];
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['type'] = 'system.maintenance';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for system.maintenance');
        // Mixed schema with ignore elements.
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.ignore');
        $expected = [];
        $expected['label'] = 'Ignore test';
        $expected['class'] = Mapping::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['mapping']['langcode'] = [
            'type' => 'string',
            'label' => 'Language code',
        ];
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['mapping']['label'] = [
            'label' => 'Label',
            'type' => 'label',
        ];
        $expected['mapping']['irrelevant'] = [
            'label' => 'Irrelevant',
            'type' => 'ignore',
        ];
        $expected['mapping']['indescribable'] = [
            'label' => 'Indescribable',
            'type' => 'ignore',
        ];
        $expected['mapping']['weight'] = [
            'label' => 'Weight',
            'type' => 'integer',
        ];
        $expected['type'] = 'config_schema_test.ignore';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition);
        // The ignore elements themselves.
        $definition = \Drupal::service('config.typed')->get('config_schema_test.ignore')
            ->get('irrelevant')
            ->getDataDefinition()
            ->toArray();
        $expected = [];
        $expected['type'] = 'ignore';
        $expected['label'] = 'Irrelevant';
        $expected['class'] = Ignore::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\DataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition);
        $definition = \Drupal::service('config.typed')->get('config_schema_test.ignore')
            ->get('indescribable')
            ->getDataDefinition()
            ->toArray();
        $expected['label'] = 'Indescribable';
        $this->assertEquals($expected, $definition);
        // More complex case, generic type. Metadata for image style.
        $definition = \Drupal::service('config.typed')->getDefinition('image.style.large');
        $expected = [];
        $expected['label'] = 'Image style';
        $expected['class'] = Mapping::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $expected['mapping']['name']['type'] = 'string';
        $expected['mapping']['uuid']['type'] = 'uuid';
        $expected['mapping']['uuid']['label'] = 'UUID';
        $expected['mapping']['langcode']['type'] = 'string';
        $expected['mapping']['langcode']['label'] = 'Language code';
        $expected['mapping']['status']['type'] = 'boolean';
        $expected['mapping']['status']['label'] = 'Status';
        $expected['mapping']['dependencies']['type'] = 'config_dependencies';
        $expected['mapping']['dependencies']['label'] = 'Dependencies';
        $expected['mapping']['name']['type'] = 'string';
        $expected['mapping']['label']['type'] = 'label';
        $expected['mapping']['label']['label'] = 'Label';
        $expected['mapping']['effects']['type'] = 'sequence';
        $expected['mapping']['effects']['sequence']['type'] = 'mapping';
        $expected['mapping']['effects']['sequence']['mapping']['id']['type'] = 'string';
        $expected['mapping']['effects']['sequence']['mapping']['data']['type'] = 'image.effect.[%parent.id]';
        $expected['mapping']['effects']['sequence']['mapping']['weight']['type'] = 'integer';
        $expected['mapping']['effects']['sequence']['mapping']['uuid']['type'] = 'uuid';
        $expected['mapping']['third_party_settings']['type'] = 'sequence';
        $expected['mapping']['third_party_settings']['label'] = 'Third party settings';
        $expected['mapping']['third_party_settings']['sequence']['type'] = '[%parent.%parent.%type].third_party.[%key]';
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['type'] = 'image.style.*';
        $this->assertEquals($expected, $definition);
        // More complex, type based on a complex one.
        $definition = \Drupal::service('config.typed')->getDefinition('image.effect.image_scale');
        // This should be the schema for image.effect.image_scale.
        $expected = [];
        $expected['label'] = 'Image scale';
        $expected['class'] = Mapping::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $expected['mapping']['width']['type'] = 'integer';
        $expected['mapping']['width']['label'] = 'Width';
        $expected['mapping']['height']['type'] = 'integer';
        $expected['mapping']['height']['label'] = 'Height';
        $expected['mapping']['upscale']['type'] = 'boolean';
        $expected['mapping']['upscale']['label'] = 'Upscale';
        $expected['type'] = 'image.effect.image_scale';
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for image.effect.image_scale');
        // Most complex case, get metadata for actual configuration element.
        $effects = \Drupal::service('config.typed')->get('image.style.medium')
            ->get('effects');
        $definition = $effects->get('bddf0d06-42f9-4c75-a700-a33cafa25ea0')
            ->get('data')
            ->getDataDefinition()
            ->toArray();
        // This should be the schema for image.effect.image_scale, reuse previous one.
        $expected['type'] = 'image.effect.image_scale';
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for the first effect of image.style.medium');
        $test = \Drupal::service('config.typed')->get('config_test.dynamic.third_party')
            ->get('third_party_settings.config_schema_test');
        $definition = $test->getDataDefinition()
            ->toArray();
        $expected = [];
        $expected['type'] = 'config_test.dynamic.*.third_party.config_schema_test';
        $expected['label'] = 'Mapping';
        $expected['class'] = Mapping::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $expected['mapping'] = [
            'integer' => [
                'type' => 'integer',
            ],
            'string' => [
                'type' => 'string',
            ],
        ];
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for config_test.dynamic.third_party:third_party_settings.config_schema_test');
        // More complex, several level deep test.
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.someschema.somemodule.section_one.subsection');
        // This should be the schema of config_schema_test.someschema.somemodule.*.*.
        $expected = [];
        $expected['label'] = 'Schema multiple filesystem marker test';
        $expected['class'] = Mapping::class;
        $expected['mapping']['langcode']['type'] = 'string';
        $expected['mapping']['langcode']['label'] = 'Language code';
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['mapping']['testid']['type'] = 'string';
        $expected['mapping']['testid']['label'] = 'ID';
        $expected['mapping']['testdescription']['type'] = 'text';
        $expected['mapping']['testdescription']['label'] = 'Description';
        $expected['type'] = 'config_schema_test.someschema.somemodule.*.*';
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for config_schema_test.someschema.somemodule.section_one.subsection');
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.someschema.somemodule.section_two.subsection');
        // The other file should have the same schema.
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for config_schema_test.someschema.somemodule.section_two.subsection');
    }
    
    /**
     * Tests metadata retrieval with several levels of %parent indirection.
     */
    public function testSchemaMappingWithParents() {
        $config_data = \Drupal::service('config.typed')->get('config_schema_test.someschema.with_parents');
        // Test fetching parent one level up.
        $entry = $config_data->get('one_level');
        $definition = $entry->get('testitem')
            ->getDataDefinition()
            ->toArray();
        $expected = [
            'type' => 'config_schema_test.someschema.with_parents.key_1',
            'label' => 'Test item nested one level',
            'class' => StringData::class,
            'definition_class' => '\\Drupal\\Core\\TypedData\\DataDefinition',
            'unwrap_for_canonical_representation' => TRUE,
        ];
        $this->assertEquals($expected, $definition);
        // Test fetching parent two levels up.
        $entry = $config_data->get('two_levels');
        $definition = $entry->get('wrapper')
            ->get('testitem')
            ->getDataDefinition()
            ->toArray();
        $expected = [
            'type' => 'config_schema_test.someschema.with_parents.key_2',
            'label' => 'Test item nested two levels',
            'class' => StringData::class,
            'definition_class' => '\\Drupal\\Core\\TypedData\\DataDefinition',
            'unwrap_for_canonical_representation' => TRUE,
        ];
        $this->assertEquals($expected, $definition);
        // Test fetching parent three levels up.
        $entry = $config_data->get('three_levels');
        $definition = $entry->get('wrapper_1')
            ->get('wrapper_2')
            ->get('testitem')
            ->getDataDefinition()
            ->toArray();
        $expected = [
            'type' => 'config_schema_test.someschema.with_parents.key_3',
            'label' => 'Test item nested three levels',
            'class' => StringData::class,
            'definition_class' => '\\Drupal\\Core\\TypedData\\DataDefinition',
            'unwrap_for_canonical_representation' => TRUE,
        ];
        $this->assertEquals($expected, $definition);
    }
    
    /**
     * Tests metadata applied to configuration objects.
     */
    public function testSchemaData() {
        // Try a simple property.
        $meta = \Drupal::service('config.typed')->get('system.site');
        $property = $meta->get('page')
            ->get('front');
        $this->assertInstanceOf(StringInterface::class, $property);
        $this->assertEquals('/user/login', $property->getValue(), 'Got the right value for page.front data.');
        $definition = $property->getDataDefinition();
        $this->assertEmpty($definition['translatable'], 'Got the right translatability setting for page.front data.');
        // Check nested array of properties.
        $list = $meta->get('page')
            ->getElements();
        $this->assertCount(3, $list, 'Got a list with the right number of properties for site page data');
        $this->assertArrayHasKey('front', $list);
        $this->assertArrayHasKey('403', $list);
        $this->assertArrayHasKey('404', $list);
        $this->assertEquals('/user/login', $list['front']->getValue(), 'Got the right value for page.front data from the list.');
        // And test some TypedConfigInterface methods.
        $properties = $list;
        $this->assertCount(3, $properties, 'Got the right number of properties for site page.');
        $this->assertSame($list['front'], $properties['front']);
        $values = $meta->get('page')
            ->toArray();
        $this->assertCount(3, $values, 'Got the right number of property values for site page.');
        $this->assertSame($values['front'], '/user/login');
        // Now let's try something more complex, with nested objects.
        $wrapper = \Drupal::service('config.typed')->get('image.style.large');
        $effects = $wrapper->get('effects');
        $this->assertCount(1, $effects->toArray(), 'Got an array with effects for image.style.large data');
        $uuid = key($effects->getValue());
        $effect = $effects->get($uuid)
            ->getElements();
        $this->assertFalse($effect['data']->isEmpty(), 'Got data for the image scale effect from metadata.');
        $this->assertSame('image_scale', $effect['id']->getValue(), 'Got data for the image scale effect from metadata.');
        $this->assertInstanceOf(IntegerInterface::class, $effect['data']->get('width'));
        $this->assertEquals(480, $effect['data']->get('width')
            ->getValue(), 'Got the right value for the scale effect width.');
    }
    
    /**
     * Tests configuration value data type enforcement using schemas.
     */
    public function testConfigSaveWithSchema() {
        $untyped_values = [
            // Test a custom type.
'config_schema_test_integer' => '1',
            'config_schema_test_integer_empty_string' => '',
            'integer' => '100',
            'null_integer' => '',
            'float' => '3.14',
            'null_float' => '',
            'string' => 1,
            'null_string' => NULL,
            'empty_string' => '',
            'boolean' => 1,
            // If the config schema doesn't have a type it shouldn't be casted.
'no_type' => 1,
            'mapping' => [
                'string' => 1,
            ],
            'sequence' => [
                1,
                0,
                1,
            ],
            'sequence_bc' => [
                1,
                0,
                1,
            ],
            // Not in schema and therefore should be left untouched.
'not_present_in_schema' => TRUE,
        ];
        $untyped_to_typed = $untyped_values;
        $typed_values = [
            'config_schema_test_integer' => 1,
            'config_schema_test_integer_empty_string' => NULL,
            'integer' => 100,
            'null_integer' => NULL,
            'float' => 3.14,
            'null_float' => NULL,
            'string' => '1',
            'null_string' => NULL,
            'empty_string' => '',
            'boolean' => TRUE,
            'no_type' => 1,
            'mapping' => [
                'string' => '1',
            ],
            'sequence' => [
                TRUE,
                FALSE,
                TRUE,
            ],
            'sequence_bc' => [
                TRUE,
                FALSE,
                TRUE,
            ],
            'not_present_in_schema' => TRUE,
        ];
        // Save config which has a schema that enforces types.
        $this->config('config_schema_test.schema_data_types')
            ->setData($untyped_to_typed)
            ->save();
        $this->assertSame($typed_values, $this->config('config_schema_test.schema_data_types')
            ->get());
        // Save config which does not have a schema that enforces types.
        $this->config('config_schema_test.no_schema_data_types')
            ->setData($untyped_values)
            ->save();
        $this->assertSame($untyped_values, $this->config('config_schema_test.no_schema_data_types')
            ->get());
        // Ensure that configuration objects with keys marked as ignored are not
        // changed when saved. The 'config_schema_test.ignore' will have been saved
        // during the installation of configuration in the setUp method.
        $extension_path = __DIR__ . '/../../../../../modules/config/tests/config_schema_test/';
        $install_storage = new FileStorage($extension_path . InstallStorage::CONFIG_INSTALL_DIRECTORY);
        $original_data = $install_storage->read('config_schema_test.ignore');
        $installed_data = $this->config('config_schema_test.ignore')
            ->get();
        unset($installed_data['_core']);
        $this->assertSame($original_data, $installed_data);
    }
    
    /**
     * Test configuration value data type enforcement using schemas.
     */
    public function testConfigSaveMappingSort() {
        // Top level map sorting.
        $data = [
            'foo' => '1',
            'bar' => '2',
        ];
        // Save config which has a schema that enforces types.
        $this->config('config_schema_test.schema_mapping_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            'bar' => '2',
            'foo' => '1',
        ], $this->config('config_schema_test.schema_mapping_sort')
            ->get());
        $this->config('config_schema_test.schema_mapping_sort')
            ->set('map', [
            'sub_bar' => '2',
            'sub_foo' => '1',
        ])
            ->save();
        $this->assertSame([
            'sub_foo' => '1',
            'sub_bar' => '2',
        ], $this->config('config_schema_test.schema_mapping_sort')
            ->get('map'));
    }
    
    /**
     * Tests configuration sequence sorting using schemas.
     */
    public function testConfigSaveWithSequenceSorting() {
        $data = [
            'keyed_sort' => [
                'b' => '1',
                'a' => '2',
            ],
            'no_sort' => [
                'b' => '2',
                'a' => '1',
            ],
        ];
        // Save config which has a schema that enforces sorting.
        $this->config('config_schema_test.schema_sequence_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            'a' => '2',
            'b' => '1',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('keyed_sort'));
        $this->assertSame([
            'b' => '2',
            'a' => '1',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('no_sort'));
        $data = [
            'value_sort' => [
                'b',
                'a',
            ],
            'no_sort' => [
                'b',
                'a',
            ],
        ];
        // Save config which has a schema that enforces sorting.
        $this->config('config_schema_test.schema_sequence_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            'a',
            'b',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('value_sort'));
        $this->assertSame([
            'b',
            'a',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('no_sort'));
        // Value sort does not preserve keys - this is intentional.
        $data = [
            'value_sort' => [
                1 => 'b',
                2 => 'a',
            ],
            'no_sort' => [
                1 => 'b',
                2 => 'a',
            ],
        ];
        // Save config which has a schema that enforces sorting.
        $this->config('config_schema_test.schema_sequence_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            'a',
            'b',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('value_sort'));
        $this->assertSame([
            1 => 'b',
            2 => 'a',
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('no_sort'));
        // Test sorts do not destroy complex values.
        $data = [
            'complex_sort_value' => [
                [
                    'foo' => 'b',
                    'bar' => 'b',
                ],
                [
                    'foo' => 'a',
                    'bar' => 'a',
                ],
            ],
            'complex_sort_key' => [
                'b' => [
                    'foo' => '1',
                    'bar' => '1',
                ],
                'a' => [
                    'foo' => '2',
                    'bar' => '2',
                ],
            ],
        ];
        $this->config('config_schema_test.schema_sequence_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            [
                'foo' => 'a',
                'bar' => 'a',
            ],
            [
                'foo' => 'b',
                'bar' => 'b',
            ],
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('complex_sort_value'));
        $this->assertSame([
            'a' => [
                'foo' => '2',
                'bar' => '2',
            ],
            'b' => [
                'foo' => '1',
                'bar' => '1',
            ],
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('complex_sort_key'));
        // Swap the previous test scenario around.
        $data = [
            'complex_sort_value' => [
                'b' => [
                    'foo' => '1',
                    'bar' => '1',
                ],
                'a' => [
                    'foo' => '2',
                    'bar' => '2',
                ],
            ],
            'complex_sort_key' => [
                [
                    'foo' => 'b',
                    'bar' => 'b',
                ],
                [
                    'foo' => 'a',
                    'bar' => 'a',
                ],
            ],
        ];
        $this->config('config_schema_test.schema_sequence_sort')
            ->setData($data)
            ->save();
        $this->assertSame([
            [
                'foo' => '1',
                'bar' => '1',
            ],
            [
                'foo' => '2',
                'bar' => '2',
            ],
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('complex_sort_value'));
        $this->assertSame([
            [
                'foo' => 'b',
                'bar' => 'b',
            ],
            [
                'foo' => 'a',
                'bar' => 'a',
            ],
        ], $this->config('config_schema_test.schema_sequence_sort')
            ->get('complex_sort_key'));
    }
    
    /**
     * Tests fallback to a greedy wildcard.
     */
    public function testSchemaFallback() {
        $definition = \Drupal::service('config.typed')->getDefinition('config_schema_test.wildcard_fallback.something');
        // This should be the schema of config_schema_test.wildcard_fallback.*.
        $expected = [];
        $expected['label'] = 'Schema wildcard fallback test';
        $expected['class'] = Mapping::class;
        $expected['definition_class'] = '\\Drupal\\Core\\TypedData\\MapDataDefinition';
        $expected['unwrap_for_canonical_representation'] = TRUE;
        $expected['mapping']['langcode']['type'] = 'string';
        $expected['mapping']['langcode']['label'] = 'Language code';
        $expected['mapping']['_core']['type'] = '_core_config_info';
        $expected['mapping']['testid']['type'] = 'string';
        $expected['mapping']['testid']['label'] = 'ID';
        $expected['mapping']['testdescription']['type'] = 'text';
        $expected['mapping']['testdescription']['label'] = 'Description';
        $expected['type'] = 'config_schema_test.wildcard_fallback.*';
        $this->assertEquals($expected, $definition, 'Retrieved the right metadata for config_schema_test.wildcard_fallback.something');
        $definition2 = \Drupal::service('config.typed')->getDefinition('config_schema_test.wildcard_fallback.something.something');
        // This should be the schema of config_schema_test.wildcard_fallback.* as
        // well.
        $this->assertSame($definition, $definition2);
    }
    
    /**
     * Tests use of colons in schema type determination.
     *
     * @see \Drupal\Core\Config\TypedConfigManager::getFallbackName()
     */
    public function testColonsInSchemaTypeDetermination() {
        $tests = \Drupal::service('config.typed')->get('config_schema_test.plugin_types')
            ->get('tests')
            ->getElements();
        $definition = $tests[0]->getDataDefinition()
            ->toArray();
        $this->assertEquals('test.plugin_types.boolean', $definition['type']);
        $definition = $tests[1]->getDataDefinition()
            ->toArray();
        $this->assertEquals('test.plugin_types.boolean:*', $definition['type']);
        $definition = $tests[2]->getDataDefinition()
            ->toArray();
        $this->assertEquals('test.plugin_types.*', $definition['type']);
        $definition = $tests[3]->getDataDefinition()
            ->toArray();
        $this->assertEquals('test.plugin_types.*', $definition['type']);
        $tests = \Drupal::service('config.typed')->get('config_schema_test.plugin_types')
            ->get('test_with_parents')
            ->getElements();
        $definition = $tests[0]->get('settings')
            ->getDataDefinition()
            ->toArray();
        $this->assertEquals('test_with_parents.plugin_types.boolean', $definition['type']);
        $definition = $tests[1]->get('settings')
            ->getDataDefinition()
            ->toArray();
        $this->assertEquals('test_with_parents.plugin_types.boolean:*', $definition['type']);
        $definition = $tests[2]->get('settings')
            ->getDataDefinition()
            ->toArray();
        $this->assertEquals('test_with_parents.plugin_types.*', $definition['type']);
        $definition = $tests[3]->get('settings')
            ->getDataDefinition()
            ->toArray();
        $this->assertEquals('test_with_parents.plugin_types.*', $definition['type']);
    }
    
    /**
     * Tests hook_config_schema_info_alter().
     */
    public function testConfigSchemaInfoAlter() {
        
        /** @var \Drupal\Core\Config\TypedConfigManagerInterface $typed_config */
        $typed_config = \Drupal::service('config.typed');
        $typed_config->clearCachedDefinitions();
        // Ensure that keys can not be added or removed by
        // hook_config_schema_info_alter().
        \Drupal::state()->set('config_schema_test_exception_remove', TRUE);
        try {
            $typed_config->getDefinitions();
            $this->fail('Expected ConfigSchemaAlterException thrown.');
        } catch (ConfigSchemaAlterException $e) {
            $this->assertEquals('Invoking hook_config_schema_info_alter() has removed (config_schema_test.hook) schema definitions', $e->getMessage());
        }
        \Drupal::state()->set('config_schema_test_exception_add', TRUE);
        try {
            $typed_config->getDefinitions();
            $this->fail('Expected ConfigSchemaAlterException thrown.');
        } catch (ConfigSchemaAlterException $e) {
            $this->assertEquals('Invoking hook_config_schema_info_alter() has added (config_schema_test.hook_added_definition) and removed (config_schema_test.hook) schema definitions', $e->getMessage());
        }
        \Drupal::state()->set('config_schema_test_exception_remove', FALSE);
        try {
            $typed_config->getDefinitions();
            $this->fail('Expected ConfigSchemaAlterException thrown.');
        } catch (ConfigSchemaAlterException $e) {
            $this->assertEquals('Invoking hook_config_schema_info_alter() has added (config_schema_test.hook_added_definition) schema definitions', $e->getMessage());
        }
        // Tests that hook_config_schema_info_alter() can add additional metadata to
        // existing configuration schema.
        \Drupal::state()->set('config_schema_test_exception_add', FALSE);
        $definitions = $typed_config->getDefinitions();
        $this->assertEquals('new schema info', $definitions['config_schema_test.hook']['additional_metadata']);
    }
    
    /**
     * Tests saving config when the type is wrapped by a dynamic type.
     */
    public function testConfigSaveWithWrappingSchema() {
        $untyped_values = [
            'tests' => [
                [
                    'wrapper_value' => 'foo',
                    'plugin_id' => 'wrapper:foo',
                    'internal_value' => 100,
                ],
            ],
        ];
        $typed_values = [
            'tests' => [
                [
                    'plugin_id' => 'wrapper:foo',
                    'internal_value' => '100',
                    'wrapper_value' => 'foo',
                ],
            ],
        ];
        // Save config which has a schema that enforces types.
        \Drupal::configFactory()->getEditable('wrapping.config_schema_test.plugin_types')
            ->setData($untyped_values)
            ->save();
        $this->assertSame($typed_values, \Drupal::config('wrapping.config_schema_test.plugin_types')->get());
    }
    
    /**
     * Tests dynamic config schema type with multiple sub-key references.
     */
    public function testConfigSaveWithWrappingSchemaDoubleBrackets() {
        $untyped_values = [
            'tests' => [
                [
                    'wrapper_value' => 'foo',
                    'foo' => 'turtle',
                    'bar' => 'horse',
                    // Converted to a string by 'test.double_brackets.turtle.horse'
                    // schema.
'another_key' => '100',
                ],
            ],
        ];
        $typed_values = [
            'tests' => [
                [
                    'another_key' => 100,
                    'foo' => 'turtle',
                    'bar' => 'horse',
                    'wrapper_value' => 'foo',
                ],
            ],
        ];
        // Save config which has a schema that enforces types.
        \Drupal::configFactory()->getEditable('wrapping.config_schema_test.double_brackets')
            ->setData($untyped_values)
            ->save();
        $this->assertSame($typed_values, \Drupal::config('wrapping.config_schema_test.double_brackets')->get());
        $tests = \Drupal::service('config.typed')->get('wrapping.config_schema_test.double_brackets')
            ->get('tests')
            ->getElements();
        $definition = $tests[0]->getDataDefinition()
            ->toArray();
        $this->assertEquals('wrapping.test.double_brackets.*||test.double_brackets.turtle.horse', $definition['type']);
        $untyped_values = [
            'tests' => [
                [
                    'wrapper_value' => 'foo',
                    'foo' => 'cat',
                    'bar' => 'dog',
                    // Converted to a string by 'test.double_brackets.cat.dog' schema.
'another_key' => 100,
                ],
            ],
        ];
        $typed_values = [
            'tests' => [
                [
                    'another_key' => '100',
                    'foo' => 'cat',
                    'bar' => 'dog',
                    'wrapper_value' => 'foo',
                ],
            ],
        ];
        // Save config which has a schema that enforces types.
        \Drupal::configFactory()->getEditable('wrapping.config_schema_test.double_brackets')
            ->setData($untyped_values)
            ->save();
        $this->assertSame($typed_values, \Drupal::config('wrapping.config_schema_test.double_brackets')->get());
        $tests = \Drupal::service('config.typed')->get('wrapping.config_schema_test.double_brackets')
            ->get('tests')
            ->getElements();
        $definition = $tests[0]->getDataDefinition()
            ->toArray();
        $this->assertEquals('wrapping.test.double_brackets.*||test.double_brackets.cat.dog', $definition['type']);
        // Combine everything in a single save.
        $typed_values = [
            'tests' => [
                [
                    'another_key' => 100,
                    'foo' => 'cat',
                    'bar' => 'dog',
                    'wrapper_value' => 'foo',
                ],
                [
                    'another_key' => '100',
                    'foo' => 'turtle',
                    'bar' => 'horse',
                    'wrapper_value' => 'foo',
                ],
            ],
        ];
        \Drupal::configFactory()->getEditable('wrapping.config_schema_test.double_brackets')
            ->setData($typed_values)
            ->save();
        $tests = \Drupal::service('config.typed')->get('wrapping.config_schema_test.double_brackets')
            ->get('tests')
            ->getElements();
        $definition = $tests[0]->getDataDefinition()
            ->toArray();
        $this->assertEquals('wrapping.test.double_brackets.*||test.double_brackets.cat.dog', $definition['type']);
        $definition = $tests[1]->getDataDefinition()
            ->toArray();
        $this->assertEquals('wrapping.test.double_brackets.*||test.double_brackets.turtle.horse', $definition['type']);
        $typed_values = [
            'tests' => [
                [
                    'id' => 'cat:persian.dog',
                    'foo' => 'cat',
                    'bar' => 'dog',
                    'breed' => 'persian',
                ],
            ],
        ];
        \Drupal::configFactory()->getEditable('wrapping.config_schema_test.other_double_brackets')
            ->setData($typed_values)
            ->save();
        $tests = \Drupal::service('config.typed')->get('wrapping.config_schema_test.other_double_brackets')
            ->get('tests')
            ->getElements();
        $definition = $tests[0]->getDataDefinition()
            ->toArray();
        // Check that definition type is a merge of the expected types.
        $this->assertEquals('wrapping.test.other_double_brackets.*||test.double_brackets.cat:*.*', $definition['type']);
        // Check that breed was inherited from parent definition.
        $this->assertEquals([
            'type' => 'string',
        ], $definition['mapping']['breed']);
    }

}