public function ViewsDataTest::testCacheCallsWithSameTableMultipleTimes in Drupal 8

Tests the cache backend behavior with requesting the same table multiple

File

core/modules/views/tests/src/Unit/ViewsDataTest.php, line 391

Class

ViewsDataTest

@coversDefaultClass \Drupal\views\ViewsData @group views

Namespace

Drupal\Tests\views\Unit

Code

public function testCacheCallsWithSameTableMultipleTimes() {
  $expected_views_data = $this
    ->viewsDataWithProvider();
  $this
    ->setupMockedModuleHandler();
  $this->cacheBackend
    ->expects($this
    ->at(0))
    ->method('get')
    ->with('views_data:views_test_data:en');
  $this->cacheBackend
    ->expects($this
    ->at(1))
    ->method('get')
    ->with('views_data:en');
  $this->cacheBackend
    ->expects($this
    ->at(2))
    ->method('set')
    ->with('views_data:en', $expected_views_data);
  $this->cacheBackend
    ->expects($this
    ->at(3))
    ->method('set')
    ->with('views_data:views_test_data:en', $expected_views_data['views_test_data']);

  // Request the same table 5 times. The caches are empty at this point, so
  // what will happen is that it will first check for a cache entry for the
  // given table, get a cache miss, then try the cache entry for all tables,
  // which does not exist yet either. As a result, it rebuilds the information
  // and writes a cache entry for all tables and the requested table.
  $table_name = 'views_test_data';
  for ($i = 0; $i < 5; $i++) {
    $views_data = $this->viewsData
      ->get($table_name);
    $this
      ->assertSame($expected_views_data['views_test_data'], $views_data);
  }
}