function TextFieldTest::testTextFieldValidation

Tests text field validation.

File

core/modules/text/tests/src/Functional/TextFieldTest.php, line 61

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}");
        }
    }
}