function FieldUnitTest::testIsValueEmpty

Tests views_handler_field::is_value_empty().

File

drupal/core/modules/views/lib/Drupal/views/Tests/Handler/FieldUnitTest.php, line 498

Contains \Drupal\views\Tests\Handler\FieldUnitTest.

Class

FieldUnitTest

Tests the generic field handler.

Namespace

Code

function testIsValueEmpty() {
  $view = views_get_view('test_view');
  $view
    ->initHandlers();
  $field = $view->field['name'];
  $this
    ->assertFalse($field
    ->is_value_empty("not empty", TRUE), 'A normal string is not empty.');
  $this
    ->assertTrue($field
    ->is_value_empty("not empty", TRUE, FALSE), 'A normal string which skips empty() can be seen as empty.');
  $this
    ->assertTrue($field
    ->is_value_empty("", TRUE), '"" is considered as empty.');
  $this
    ->assertTrue($field
    ->is_value_empty('0', TRUE), '"0" is considered as empty if empty_zero is TRUE.');
  $this
    ->assertTrue($field
    ->is_value_empty(0, TRUE), '0 is considered as empty if empty_zero is TRUE.');
  $this
    ->assertFalse($field
    ->is_value_empty('0', FALSE), '"0" is considered not as empty if empty_zero is FALSE.');
  $this
    ->assertFalse($field
    ->is_value_empty(0, FALSE), '0 is considered not as empty if empty_zero is FALSE.');
  $this
    ->assertTrue($field
    ->is_value_empty(NULL, TRUE, TRUE), 'Null should be always seen as empty, regardless of no_skip_empty.');
  $this
    ->assertTrue($field
    ->is_value_empty(NULL, TRUE, FALSE), 'Null should be always seen as empty, regardless of no_skip_empty.');
}