public function ContextIntegrationTest::testAllowNullValue in Rules 8.3

Tests that NULL values for contexts are allowed if specified.

File

tests/src/Kernel/ContextIntegrationTest.php, line 72

Class

ContextIntegrationTest

Tests the extended core context API with Rules.

Namespace

Drupal\Tests\rules\Kernel

Code

public function testAllowNullValue() {

  // Configure a simple rule with the data set action which allows NULL
  // values.
  $action = $this->expressionManager
    ->createInstance('rules_action', ContextConfig::create()
    ->setConfigKey('action_id', 'rules_data_set')
    ->map('data', 'null_variable')
    ->map('value', 'new_value')
    ->toArray());
  $rule = $this->expressionManager
    ->createRule()
    ->addExpressionObject($action);
  $component = RulesComponent::create($rule)
    ->addContextDefinition('null_variable', ContextDefinition::create('string'))
    ->addContextDefinition('new_value', ContextDefinition::create('string'))
    ->setContextValue('null_variable', NULL)
    ->setContextValue('new_value', 'new value');
  $component
    ->execute();
  $this
    ->assertEquals('new value', $component
    ->getState()
    ->getVariableValue('null_variable'));
}