function TextFieldTest::testTextFieldValidation

Tests text field validation.

File

core/modules/text/tests/src/Functional/TextFieldTest.php, line 62

Class

TextFieldTest

Tests the creation of text fields.

Namespace

Code

public function testTextFieldValidation() : void {
  // Create a field with settings to validate.
  $max_length = 3;
  $field_name = $this->randomMachineName();
  $field_storage = FieldStorageConfig::create([
    'field_name' => $field_name,
    'entity_type' => 'entity_test',
    'type' => 'text',
    'settings' => [
      'max_length' => $max_length,
    ],
  ]);
  $field_storage->save();
  FieldConfig::create([
    'field_storage' => $field_storage,
    'bundle' => 'entity_test',
  ])->save();
  // Test validation with valid and invalid values.
  $entity = EntityTest::create();
  for ($i = 0; $i <= $max_length + 2; $i++) {
    $entity->{$field_name}->value = str_repeat('x', $i);
    $violations = $entity->{$field_name}
      ->validate();
    if ($i <= $max_length) {
      $this->assertCount(0, $violations, "Length {$i} does not cause validation error when max_length is {$max_length}");
    }
    else {
      $this->assertCount(1, $violations, "Length {$i} causes validation error when max_length is {$max_length}");
    }
  }
}