function LoopTest::testListItemUsage

Tests that list items in the loop can be used during execution.

File

tests/src/Unit/Integration/Engine/LoopTest.php, line 32

Class

LoopTest

Test Rules execution with the loop plugin.

Namespace

Code

public function testListItemUsage() {
    // The rule contains a list of strings that will be concatenated into one
    // variable.
    $rule = $this->rulesExpressionManager
        ->createRule();
    $rule->addAction('rules_variable_add', ContextConfig::create()->setValue('type', 'string')
        ->setValue('value', '')
        ->provideAs('variable_added', 'result'));
    $loop = $this->rulesExpressionManager
        ->createInstance('rules_loop', [
        'list' => 'string_list',
    ]);
    $loop->addAction('rules_data_set', ContextConfig::create()->map('data', 'result')
        ->setValue('value', '{{result}} {{list_item}}')
        ->process('value', 'rules_tokens'));
    $rule->addExpressionObject($loop);
    $result = RulesComponent::create($rule)->addContextDefinition('string_list', ContextDefinition::create('string')->setMultiple())
        ->provideContext('result')
        ->setContextValue('string_list', [
        'Hello',
        'world',
        'this',
        'is',
        'the',
        'loop',
    ])
        ->execute();
    $this->assertEquals(' Hello world this is the loop', $result['result']);
}