function AllowedValuesConstraintValidatorTest::testValidationCallback

Tests the AllowedValuesConstraintValidator with callbacks.

File

core/tests/Drupal/KernelTests/Core/TypedData/AllowedValuesConstraintValidatorTest.php, line 63

Class

AllowedValuesConstraintValidatorTest

Tests AllowedValues validation constraint with both valid and invalid values.

Namespace

Code

public function testValidationCallback() {
    // Create a definition that specifies some AllowedValues and a callback.
    // This tests that callbacks have a higher priority than a supplied list of
    // values and can be used to coerce the value to the correct type.
    $definition = DataDefinition::create('string')->addConstraint('AllowedValues', [
        'choices' => [
            1,
            2,
            3,
        ],
        'callback' => [
            static::class,
            'allowedValueCallback',
        ],
    ]);
    $typed_data = $this->typedData
        ->create($definition, 'a');
    $violations = $typed_data->validate();
    $this->assertEquals(0, $violations->count(), 'Validation passed for correct value.');
    $typed_data = $this->typedData
        ->create($definition, 1);
    $violations = $typed_data->validate();
    $this->assertEquals(0, $violations->count(), 'Validation passed for value that will be cast to the correct type.');
    $typed_data = $this->typedData
        ->create($definition, 2);
    $violations = $typed_data->validate();
    $this->assertEquals(1, $violations->count(), 'Validation failed for incorrect value.');
    $typed_data = $this->typedData
        ->create($definition, 'd');
    $violations = $typed_data->validate();
    $this->assertEquals(1, $violations->count(), 'Validation failed for incorrect value.');
    $typed_data = $this->typedData
        ->create($definition, 0);
    $violations = $typed_data->validate();
    $this->assertEquals(1, $violations->count(), 'Validation failed for incorrect value.');
}