function ConfigTest::testSaveExisting

@covers ::save
@dataProvider nestedDataProvider

File

core/tests/Drupal/Tests/Core/Config/ConfigTest.php, line 156

Class

ConfigTest

Tests the Config.

Namespace

Code

public function testSaveExisting($data) {
  $this->cacheTagsInvalidator
    ->expects($this->once())
    ->method('invalidateTags')
    ->with([
    'config:config.test',
  ]);
  // Set initial data.
  $this->config
    ->setData($data);
  $this->config
    ->save();
  // Update.
  $new_data = $data;
  $new_data['a']['d'] = 2;
  $this->config
    ->setData($new_data);
  $this->config
    ->save();
  $this->assertOriginalConfigDataEquals($new_data, TRUE);
}