ConfigCRUDTest.php in Drupal 8

Namespace

Drupal\KernelTests\Core\Config

File

core/tests/Drupal/KernelTests/Core/Config/ConfigCRUDTest.php

<?php

namespace Drupal\KernelTests\Core\Config;

use Drupal\Component\Utility\Crypt;
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\Config\Config;
use Drupal\Core\Config\ConfigNameException;
use Drupal\Core\Config\ConfigValueException;
use Drupal\Core\Config\InstallStorage;
use Drupal\Core\Config\DatabaseStorage;
use Drupal\Core\Config\UnsupportedDataTypeConfigException;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests CRUD operations on configuration objects.
 *
 * @group config
 */
class ConfigCRUDTest extends KernelTestBase {

  /**
   * Exempt from strict schema checking.
   *
   * @see \Drupal\Core\Config\Development\ConfigSchemaChecker
   *
   * @var bool
   */
  protected $strictConfigSchema = FALSE;

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'system',
  ];

  /**
   * Tests CRUD operations.
   */
  public function testCRUD() {
    $event_dispatcher = $this->container
      ->get('event_dispatcher');
    $typed_config_manager = $this->container
      ->get('config.typed');
    $storage = $this->container
      ->get('config.storage');
    $collection_storage = $storage
      ->createCollection('test_collection');
    $config_factory = $this->container
      ->get('config.factory');
    $name = 'config_test.crud';

    // Create a new configuration object in the default collection.
    $config = $this
      ->config($name);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);
    $config
      ->set('value', 'initial');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);

    // Verify the active configuration contains the saved value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);

    // Verify the config factory contains the saved value.
    $actual_data = $config_factory
      ->get($name)
      ->getRawData();
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);

    // Create another instance of the config object using a custom collection.
    $collection_config = new Config($name, $collection_storage, $event_dispatcher, $typed_config_manager);
    $collection_config
      ->set('value', 'overridden');
    $collection_config
      ->save();

    // Verify that the config factory still returns the right value, from the
    // config instance in the default collection.
    $actual_data = $config_factory
      ->get($name)
      ->getRawData();
    $this
      ->assertIdentical($actual_data, [
      'value' => 'initial',
    ]);

    // Update the configuration object instance.
    $config
      ->set('value', 'instance-update');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);

    // Verify the active configuration contains the updated value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 'instance-update',
    ]);

    // Verify a call to $this->config() immediately returns the updated value.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);

    // Pollute the config factory static cache.
    $config_factory
      ->getEditable($name);

    // Delete the config object that uses a custom collection. This should not
    // affect the instance returned by the config factory which depends on the
    // default collection storage.
    $collection_config
      ->delete();
    $actual_config = $config_factory
      ->get($name);
    $this
      ->assertIdentical($actual_config
      ->isNew(), FALSE);
    $this
      ->assertIdentical($actual_config
      ->getRawData(), [
      'value' => 'instance-update',
    ]);

    // Delete the configuration object.
    $config
      ->delete();

    // Verify the configuration object is empty.
    $this
      ->assertIdentical($config
      ->get(), []);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);

    // Verify that all copies of the configuration has been removed from the
    // static cache.
    $this
      ->assertIdentical($config_factory
      ->getEditable($name)
      ->isNew(), TRUE);

    // Verify the active configuration contains no value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, FALSE);

    // Verify $this->config() returns no data.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);

    // Re-create the configuration object.
    $config
      ->set('value', 're-created');
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);

    // Verify the active configuration contains the updated value.
    $actual_data = $storage
      ->read($name);
    $this
      ->assertIdentical($actual_data, [
      'value' => 're-created',
    ]);

    // Verify a call to $this->config() immediately returns the updated value.
    $new_config = $this
      ->config($name);
    $this
      ->assertIdentical($new_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($config
      ->isNew(), FALSE);

    // Rename the configuration object.
    $new_name = 'config_test.crud_rename';
    $this->container
      ->get('config.factory')
      ->rename($name, $new_name);
    $renamed_config = $this
      ->config($new_name);
    $this
      ->assertIdentical($renamed_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($renamed_config
      ->isNew(), FALSE);

    // Ensure that the old configuration object is removed from both the cache
    // and the configuration storage.
    $config = $this
      ->config($name);
    $this
      ->assertIdentical($config
      ->get(), []);
    $this
      ->assertIdentical($config
      ->isNew(), TRUE);

    // Test renaming when config.factory does not have the object in its static
    // cache.
    $name = 'config_test.crud_rename';

    // Pollute the non-overrides static cache.
    $config_factory
      ->getEditable($name);

    // Pollute the overrides static cache.
    $config = $config_factory
      ->get($name);

    // Rename and ensure that happened properly.
    $new_name = 'config_test.crud_rename_no_cache';
    $config_factory
      ->rename($name, $new_name);
    $renamed_config = $config_factory
      ->get($new_name);
    $this
      ->assertIdentical($renamed_config
      ->get(), $config
      ->get());
    $this
      ->assertIdentical($renamed_config
      ->isNew(), FALSE);

    // Ensure the overrides static cache has been cleared.
    $this
      ->assertIdentical($config_factory
      ->get($name)
      ->isNew(), TRUE);

    // Ensure the non-overrides static cache has been cleared.
    $this
      ->assertIdentical($config_factory
      ->getEditable($name)
      ->isNew(), TRUE);

    // Merge data into the configuration object.
    $new_config = $this
      ->config($new_name);
    $expected_values = [
      'value' => 'herp',
      '404' => 'derp',
    ];
    $new_config
      ->merge($expected_values);
    $new_config
      ->save();
    $this
      ->assertIdentical($new_config
      ->get('value'), $expected_values['value']);
    $this
      ->assertIdentical($new_config
      ->get('404'), $expected_values['404']);

    // Test that getMultiple() does not return new config objects that were
    // previously accessed with get()
    $new_config = $config_factory
      ->get('non_existing_key');
    $this
      ->assertTrue($new_config
      ->isNew());
    $this
      ->assertCount(0, $config_factory
      ->loadMultiple([
      'non_existing_key',
    ]), 'loadMultiple() does not return new objects');
  }

  /**
   * Tests the validation of configuration object names.
   */
  public function testNameValidation() {

    // Verify that an object name without namespace causes an exception.
    $name = 'nonamespace';
    try {
      $this
        ->config($name)
        ->save();
      $this
        ->fail('Expected ConfigNameException was thrown for a name without a namespace.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigNameException::class, $e);
    }

    // Verify that a name longer than the maximum length causes an exception.
    $name = 'config_test.herman_melville.moby_dick_or_the_whale.harper_1851.now_small_fowls_flew_screaming_over_the_yet_yawning_gulf_a_sullen_white_surf_beat_against_its_steep_sides_then_all_collapsed_and_the_great_shroud_of_the_sea_rolled_on_as_it_rolled_five_thousand_years_ago';
    try {
      $this
        ->config($name)
        ->save();
      $this
        ->fail('Expected ConfigNameException was thrown for a name longer than Config::MAX_NAME_LENGTH.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigNameException::class, $e);
    }

    // Verify that disallowed characters in the name cause an exception.
    $characters = $test_characters = [
      ':',
      '?',
      '*',
      '<',
      '>',
      '"',
      '\'',
      '/',
      '\\',
    ];
    foreach ($test_characters as $i => $c) {
      try {
        $name = 'namespace.object' . $c;
        $config = $this
          ->config($name);
        $config
          ->save();
      } catch (ConfigNameException $e) {
        unset($test_characters[$i]);
      }
    }
    $this
      ->assertTrue(empty($test_characters), new FormattableMarkup('Expected ConfigNameException was thrown for all invalid name characters: @characters', [
      '@characters' => implode(' ', $characters),
    ]));

    // Verify that a valid config object name can be saved.
    $name = 'namespace.object';
    try {
      $config = $this
        ->config($name);
      $config
        ->save();
    } catch (ConfigNameException $e) {
      $this
        ->fail('ConfigNameException was not thrown for a valid object name.');
    }
  }

  /**
   * Tests the validation of configuration object values.
   */
  public function testValueValidation() {

    // Verify that setData() will catch dotted keys.
    try {
      $this
        ->config('namespace.object')
        ->setData([
        'key.value' => 12,
      ])
        ->save();
      $this
        ->fail('Expected ConfigValueException was thrown from setData() for value with dotted keys.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigValueException::class, $e);
    }

    // Verify that set() will catch dotted keys.
    try {
      $this
        ->config('namespace.object')
        ->set('foo', [
        'key.value' => 12,
      ])
        ->save();
      $this
        ->fail('Expected ConfigValueException was thrown from set() for value with dotted keys.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ConfigValueException::class, $e);
    }
  }

  /**
   * Tests data type handling.
   */
  public function testDataTypes() {
    \Drupal::service('module_installer')
      ->install([
      'config_test',
    ]);
    $storage = new DatabaseStorage($this->container
      ->get('database'), 'config');
    $name = 'config_test.types';
    $config = $this
      ->config($name);
    $original_content = file_get_contents(drupal_get_path('module', 'config_test') . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY . "/{$name}.yml");
    $this
      ->verbose('<pre>' . $original_content . "\n" . var_export($storage
      ->read($name), TRUE));

    // Verify variable data types are intact.
    $data = [
      'array' => [],
      'boolean' => TRUE,
      'exp' => 1.2E+34,
      'float' => 3.14159,
      'float_as_integer' => (double) 1,
      'hex' => 0xc,
      'int' => 99,
      'octal' => 0775,
      'string' => 'string',
      'string_int' => '1',
    ];
    $data['_core']['default_config_hash'] = Crypt::hashBase64(serialize($data));
    $this
      ->assertIdentical($config
      ->get(), $data);

    // Re-set each key using Config::set().
    foreach ($data as $key => $value) {
      $config
        ->set($key, $value);
    }
    $config
      ->save();
    $this
      ->assertIdentical($config
      ->get(), $data);

    // Assert the data against the file storage.
    $this
      ->assertIdentical($storage
      ->read($name), $data);
    $this
      ->verbose('<pre>' . $name . var_export($storage
      ->read($name), TRUE));

    // Set data using config::setData().
    $config
      ->setData($data)
      ->save();
    $this
      ->assertIdentical($config
      ->get(), $data);
    $this
      ->assertIdentical($storage
      ->read($name), $data);

    // Test that schema type enforcement can be overridden by trusting the data.
    $this
      ->assertSame(99, $config
      ->get('int'));
    $config
      ->set('int', '99')
      ->save(TRUE);
    $this
      ->assertSame('99', $config
      ->get('int'));

    // Test that re-saving without testing the data enforces the schema type.
    $config
      ->save();
    $this
      ->assertSame($data, $config
      ->get());

    // Test that setting an unsupported type for a config object with a schema
    // fails.
    try {
      $config
        ->set('stream', fopen(__FILE__, 'r'))
        ->save();
      $this
        ->fail('No Exception thrown upon saving invalid data type.');
    } catch (UnsupportedDataTypeConfigException $e) {

      // Expected exception; just continue testing.
    }

    // Test that setting an unsupported type for a config object with no schema
    // also fails.
    $typed_config_manager = $this->container
      ->get('config.typed');
    $config_name = 'config_test.no_schema';
    $config = $this
      ->config($config_name);
    $this
      ->assertFalse($typed_config_manager
      ->hasConfigSchema($config_name));
    try {
      $config
        ->set('stream', fopen(__FILE__, 'r'))
        ->save();
      $this
        ->fail('No Exception thrown upon saving invalid data type.');
    } catch (UnsupportedDataTypeConfigException $e) {

      // Expected exception; just continue testing.
    }
  }

}

Classes

Name	Description
ConfigCRUDTest	Tests CRUD operations on configuration objects.