class SchemaCheckTraitTest

class SchemaCheckTraitTest extends KernelTestBase {
    use SchemaCheckTrait;
    
    /**
     * The typed config manager.
     *
     * @var \Drupal\Core\Config\TypedConfigManagerInterface
     */
    protected $typedConfig;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'config_test',
        'config_schema_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installConfig([
            'config_test',
            'config_schema_test',
        ]);
        $this->typedConfig = \Drupal::service('config.typed');
    }
    
    /**
     * Tests \Drupal\Core\Config\Schema\SchemaCheckTrait.
     *
     * @dataProvider providerCheckConfigSchema
     */
    public function testCheckConfigSchema(string $type_to_validate_against, bool $validate_constraints, array|bool $nulled_expectations, array|bool $no_data_expectations, array $expectations) : void {
        // Test a non existing schema.
        $ret = $this->checkConfigSchema($this->typedConfig, 'config_schema_test.no_schema', $this->config('config_schema_test.no_schema')
            ->get());
        $this->assertFalse($ret);
        // Test an existing schema with valid data.
        $config_data = $this->config('config_test.types')
            ->get();
        $ret = $this->checkConfigSchema($this->typedConfig, 'config_test.types', $config_data);
        $this->assertTrue($ret);
        // Test it is possible to mark any schema type as required (not nullable).
        $nulled_config_data = array_fill_keys(array_keys($config_data), NULL);
        $ret = $this->checkConfigSchema($this->typedConfig, $type_to_validate_against, $nulled_config_data, $validate_constraints);
        $this->assertSame($nulled_expectations, $ret);
        // Add a new key, a new array and overwrite boolean with array to test the
        // error messages.
        $config_data = [
            'new_key' => 'new_value',
            'new_array' => [],
        ] + $config_data;
        $config_data['boolean'] = [];
        $ret = $this->checkConfigSchema($this->typedConfig, $type_to_validate_against, $config_data, $validate_constraints);
        $this->assertEquals($expectations, $ret);
        // Omit all data, this should trigger validation errors for required keys
        // missing.
        $config_data = [];
        $ret = $this->checkConfigSchema($this->typedConfig, $type_to_validate_against, $config_data, $validate_constraints);
        $this->assertEquals($no_data_expectations, $ret);
    }
    public static function providerCheckConfigSchema() : array {
        // Storage type check errors.
        // @see \Drupal\Core\Config\Schema\SchemaCheckTrait::checkValue()
        $expected_storage_null_check_errors = [
            // TRICKY: `_core` is added during installation even if it is absent from
            // core/modules/config/tests/config_test/config/install/config_test.dynamic.dotted.default.yml.
            // @see \Drupal\Core\Config\ConfigInstaller::createConfiguration()
'config_test.types:_core' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types:array' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Sequence',
            'config_test.types:mapping_with_only_required_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types:mapping_with_some_required_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types:mapping_with_only_optional_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
        ];
        $expected_storage_type_check_errors = [
            'config_test.types:new_key' => 'missing schema',
            'config_test.types:new_array' => 'missing schema',
            'config_test.types:boolean' => 'non-scalar value but not defined as an array (such as mapping or sequence)',
        ];
        // Validation constraints violations.
        // @see \Drupal\Core\TypedData\TypedDataInterface::validate()
        $expected_validation_errors = [
            '0' => "[new_key] 'new_key' is not a supported key.",
            '1' => "[new_array] 'new_array' is not a supported key.",
            '2' => '[boolean] This value should be of the correct primitive type.',
        ];
        $basic_cases = [
            'config_test.types, without validation' => [
                'config_test.types',
                FALSE,
                $expected_storage_null_check_errors,
                TRUE,
                $expected_storage_type_check_errors,
            ],
            'config_test.types, with validation' => [
                'config_test.types',
                TRUE,
                $expected_storage_null_check_errors,
                TRUE,
                $expected_storage_type_check_errors + $expected_validation_errors,
            ],
        ];
        // Test that if the exact same schema is reused but now has the constraint
        // "FullyValidatable" specified at the top level, that:
        // 1. `NULL` values now trigger validation errors, except when
        //    `nullable: true` is set.
        // 2. missing required keys now trigger validation errors, except when
        //    `requiredKey: false` is set.
        // @see `type: config_test.types.fully_validatable`
        // @see core/modules/config/tests/config_test/config/schema/config_test.schema.yml
        $expected_storage_null_check_errors = [
            // TRICKY: `_core` is added during installation even if it is absent from
            // core/modules/config/tests/config_test/config/install/config_test.dynamic.dotted.default.yml.
            // @see \Drupal\Core\Config\ConfigInstaller::createConfiguration()
'config_test.types.fully_validatable:_core' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types.fully_validatable:array' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Sequence',
            'config_test.types.fully_validatable:mapping_with_only_required_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types.fully_validatable:mapping_with_some_required_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
            'config_test.types.fully_validatable:mapping_with_only_optional_keys' => 'variable type is NULL but applied schema class is Drupal\\Core\\Config\\Schema\\Mapping',
        ];
        $expected_storage_type_check_errors = [
            'config_test.types.fully_validatable:new_key' => 'missing schema',
            'config_test.types.fully_validatable:new_array' => 'missing schema',
            'config_test.types.fully_validatable:boolean' => 'non-scalar value but not defined as an array (such as mapping or sequence)',
        ];
        $opt_in_cases = [
            'config_test.types.fully_validatable, without validation' => [
                'config_test.types.fully_validatable',
                FALSE,
                $expected_storage_null_check_errors,
                TRUE,
                $expected_storage_type_check_errors,
            ],
            'config_test.types.fully_validatable, with validation' => [
                'config_test.types.fully_validatable',
                TRUE,
                $expected_storage_null_check_errors + [
                    '[_core] This value should not be null.',
                    '[array] This value should not be null.',
                    '[boolean] This value should not be null.',
                    '[exp] This value should not be null.',
                    '[float] This value should not be null.',
                    '[float_as_integer] This value should not be null.',
                    '[hex] This value should not be null.',
                    '[int] This value should not be null.',
                    '[string] This value should not be null.',
                    '[string_int] This value should not be null.',
                    '[mapping_with_only_required_keys] This value should not be null.',
                    '[mapping_with_some_required_keys] This value should not be null.',
                    '[mapping_with_only_optional_keys] This value should not be null.',
                ],
                [
                    "[] 'array' is a required key.",
                    "[] 'boolean' is a required key.",
                    "[] 'exp' is a required key.",
                    "[] 'float' is a required key.",
                    "[] 'float_as_integer' is a required key.",
                    "[] 'hex' is a required key.",
                    "[] 'int' is a required key.",
                    "[] 'string' is a required key.",
                    "[] 'string_int' is a required key.",
                    "[] 'nullable_array' is a required key.",
                    "[] 'nullable_boolean' is a required key.",
                    "[] 'nullable_exp' is a required key.",
                    "[] 'nullable_float' is a required key.",
                    "[] 'nullable_float_as_integer' is a required key.",
                    "[] 'nullable_hex' is a required key.",
                    "[] 'nullable_int' is a required key.",
                    "[] 'nullable_octal' is a required key.",
                    "[] 'nullable_string' is a required key.",
                    "[] 'nullable_string_int' is a required key.",
                    "[] 'mapping_with_only_required_keys' is a required key.",
                    "[] 'mapping_with_some_required_keys' is a required key.",
                    "[] 'mapping_with_only_optional_keys' is a required key.",
                ],
                $expected_storage_type_check_errors + $expected_validation_errors + [
                    // For `mapping_with_only_required_keys`: errors for all 4 keys.
3 => "[mapping_with_only_required_keys] 'north' is a required key.",
                    4 => "[mapping_with_only_required_keys] 'east' is a required key.",
                    5 => "[mapping_with_only_required_keys] 'south' is a required key.",
                    6 => "[mapping_with_only_required_keys] 'west' is a required key.",
                    // For `mapping_with_some_required_keys`: errors for 2 required keys.
7 => "[mapping_with_some_required_keys] 'north' is a required key.",
                    8 => "[mapping_with_some_required_keys] 'south' is a required key.",
                ],
            ],
        ];
        return array_merge($basic_cases, $opt_in_cases);
    }

}