function ViewsDataTest::testCacheCallsWithSameTableMultipleTimes

Tests the cache backend behavior with requesting the same table multiple.

File

core/modules/views/tests/src/Unit/ViewsDataTest.php, line 370

Class

ViewsDataTest

@coversDefaultClass \Drupal\views\ViewsData[[api-linebreak]] @group views

Namespace

Code

public function testCacheCallsWithSameTableMultipleTimes() : void {
  $expected_views_data = $this->viewsDataWithProvider();
  $this->setupMockedModuleHandler();
  $gets = [
    'views_data:views_test_data:en',
    'views_data:en',
  ];
  $this->cacheBackend
    ->expects($this->exactly(count($gets)))
    ->method('get')
    ->with($this->callback(function (string $key) use (&$gets) : bool {
    return $key === array_shift($gets);
  }));
  $sets = [
    'views_data:en',
    $expected_views_data,
    'views_data:views_test_data:en',
    $expected_views_data['views_test_data'],
  ];
  $this->cacheBackend
    ->expects($this->exactly(count($sets) / 2))
    ->method('set')
    ->with($this->callback(function (string $key) use (&$sets) : bool {
    return $key === array_shift($sets);
  }), $this->callback(function (array $data) use (&$sets) : bool {
    return $data === array_shift($sets);
  }));
  // 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);
  }
}