function ViewsDataTest::testCacheCallsWithWarmCacheAndInvalidTable
Tests the cache calls for a non-existent table.
Warm cache:
- all tables
- views_test_data
Not warm cache:
- $non_existing_table
File
- 
              core/modules/ views/ tests/ src/ Unit/ ViewsDataTest.php, line 481 
Class
- ViewsDataTest
- @coversDefaultClass \Drupal\views\ViewsData[[api-linebreak]] @group views
Namespace
Drupal\Tests\views\UnitCode
public function testCacheCallsWithWarmCacheAndInvalidTable() : void {
  $expected_views_data = $this->viewsDataWithProvider();
  $non_existing_table = $this->randomMachineName();
  $this->moduleHandler
    ->expects($this->never())
    ->method('invokeAllWith');
  // Setup a warm cache backend for a single table.
  $gets = [
    "views_data:{$non_existing_table}: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);
  }))
    ->willReturnOnConsecutiveCalls(FALSE, (object) [
    'data' => $expected_views_data,
  ]);
  $this->cacheBackend
    ->expects($this->once())
    ->method('set')
    ->with("views_data:{$non_existing_table}:en", []);
  // Initialize the views data cache and request a non-existing table. This
  // will result in the same cache requests as we explicitly write an empty
  // cache entry for non-existing tables to avoid unnecessary requests in
  // those situations. We do have to load the cache entry for all tables to
  // check if the table does exist or not.
  for ($i = 0; $i < 5; $i++) {
    $views_data = $this->viewsData
      ->get($non_existing_table);
    $this->assertSame([], $views_data);
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
