function ConfigFileContentTest::testReadWriteConfig

Tests setting, writing, and reading of a configuration setting.

File

drupal/core/modules/config/lib/Drupal/config/Tests/ConfigFileContentTest.php, line 28

Definition of Drupal\config\Tests\ConfigFileContentTest.

Class

ConfigFileContentTest

Tests reading and writing file contents.

Namespace

Code

function testReadWriteConfig() {
  $storage = $this->container
    ->get('config.storage');
  $name = 'foo.bar';
  $key = 'foo';
  $value = 'bar';
  $nested_key = 'biff.bang';
  $nested_value = 'pow';
  $array_key = 'array';
  $array_value = array(
    'foo' => 'bar',
    'biff' => array(
      'bang' => 'pow',
    ),
  );
  $casting_array_key = 'casting_array';
  $casting_array_false_value_key = 'casting_array.cast.false';
  $casting_array_value = array(
    'cast' => array(
      'false' => FALSE,
    ),
  );
  $nested_array_key = 'nested.array';
  $true_key = 'true';
  $false_key = 'false';

  // Attempt to read non-existing configuration.
  $config = config($name);

  // Verify an configuration object is returned.
  $this
    ->assertEqual($config
    ->getName(), $name);
  $this
    ->assertTrue($config, 'Config object created.');

  // Verify the configuration object is empty.
  $this
    ->assertEqual($config
    ->get(), array(), 'New config object is empty.');

  // Verify nothing was saved.
  $data = $storage
    ->read($name);
  $this
    ->assertIdentical($data, FALSE);

  // Add a top level value
  $config = config($name);
  $config
    ->set($key, $value);

  // Add a nested value
  $config
    ->set($nested_key, $nested_value);

  // Add an array
  $config
    ->set($array_key, $array_value);

  // Add a nested array
  $config
    ->set($nested_array_key, $array_value);

  // Add a boolean false value. Should get cast to 0
  $config
    ->set($false_key, FALSE);

  // Add a boolean true value. Should get cast to 1
  $config
    ->set($true_key, TRUE);

  // Add a null value. Should get cast to an empty string.
  $config
    ->set('null', NULL);

  // Add an array with a nested boolean false that should get cast to 0.
  $config
    ->set($casting_array_key, $casting_array_value);
  $config
    ->save();

  // Verify the database entry exists.
  $data = $storage
    ->read($name);
  $this
    ->assertTrue($data);

  // Read top level value
  $config = config($name);
  $this
    ->assertEqual($config
    ->getName(), $name);
  $this
    ->assertTrue($config, 'Config object created.');
  $this
    ->assertEqual($config
    ->get($key), 'bar', 'Top level configuration value found.');

  // Read nested value
  $this
    ->assertEqual($config
    ->get($nested_key), $nested_value, 'Nested configuration value found.');

  // Read array
  $this
    ->assertEqual($config
    ->get($array_key), $array_value, 'Top level array configuration value found.');

  // Read nested array
  $this
    ->assertEqual($config
    ->get($nested_array_key), $array_value, 'Nested array configuration value found.');

  // Read a top level value that doesn't exist
  $this
    ->assertNull($config
    ->get('i_dont_exist'), 'Non-existent top level value returned NULL.');

  // Read a nested value that doesn't exist
  $this
    ->assertNull($config
    ->get('i.dont.exist'), 'Non-existent nested value returned NULL.');

  // Read false value
  $this
    ->assertEqual($config
    ->get($false_key), '0', format_string("Boolean FALSE value returned the string '0'."));

  // Read true value
  $this
    ->assertEqual($config
    ->get($true_key), '1', format_string("Boolean TRUE value returned the string '1'."));

  // Read null value.
  $this
    ->assertIdentical($config
    ->get('null'), '');

  // Read false that had been nested in an array value
  $this
    ->assertEqual($config
    ->get($casting_array_false_value_key), '0', format_string("Nested boolean FALSE value returned the string '0'."));

  // Unset a top level value
  $config
    ->clear($key);

  // Unset a nested value
  $config
    ->clear($nested_key);
  $config
    ->save();
  $config = config($name);

  // Read unset top level value
  $this
    ->assertNull($config
    ->get($key), 'Top level value unset.');

  // Read unset nested value
  $this
    ->assertNull($config
    ->get($nested_key), 'Nested value unset.');

  // Create two new configuration files to test listing
  $config = config('foo.baz');
  $config
    ->set($key, $value);
  $config
    ->save();

  // Test chained set()->save()
  $chained_name = 'biff.bang';
  $config = config($chained_name);
  $config
    ->set($key, $value)
    ->save();

  // Verify the database entry exists from a chained save.
  $data = $storage
    ->read($chained_name);
  $this
    ->assertEqual($data, $config
    ->get());

  // Get file listing for all files starting with 'foo'. Should return
  // two elements.
  $files = $storage
    ->listAll('foo');
  $this
    ->assertEqual(count($files), 2, 'Two files listed with the prefix \'foo\'.');

  // Get file listing for all files starting with 'biff'. Should return
  // one element.
  $files = $storage
    ->listAll('biff');
  $this
    ->assertEqual(count($files), 1, 'One file listed with the prefix \'biff\'.');

  // Get file listing for all files starting with 'foo.bar'. Should return
  // one element.
  $files = $storage
    ->listAll('foo.bar');
  $this
    ->assertEqual(count($files), 1, 'One file listed with the prefix \'foo.bar\'.');

  // Get file listing for all files starting with 'bar'. Should return
  // an empty array.
  $files = $storage
    ->listAll('bar');
  $this
    ->assertEqual($files, array(), 'No files listed with the prefix \'bar\'.');

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

  // Verify the database entry no longer exists.
  $data = $storage
    ->read($name);
  $this
    ->assertIdentical($data, FALSE);
}