function RulesEngineTest::testRuleCreation

Tests creating a rule and iterating over the rule elements.

File

tests/src/Kernel/RulesEngineTest.php, line 37

Class

RulesEngineTest

Test using the Rules API to create and evaluate rules.

Namespace

Code

public function testRuleCreation() {
    // Create an 'and' condition container and add conditions to it.
    $and = $this->expressionManager
        ->createAnd()
        ->addCondition('rules_test_false')
        ->addCondition('rules_test_true', ContextConfig::create()->negateResult())
        ->negate();
    // Test that the 'and' condition container evaluates to TRUE.
    $this->assertTrue($and->execute());
    // Create an 'or' condition container and add conditions to it, including
    // the previously created 'and' condition container.
    $or = $this->expressionManager
        ->createOr()
        ->addCondition('rules_test_true', ContextConfig::create()->negateResult())
        ->addCondition('rules_test_false')
        ->addExpressionObject($and);
    // Test that the 'or' condition container evaluates to TRUE.
    $this->assertTrue($or->execute());
    // Create a rule and add conditions to it, including the previously created
    // 'or' condition container.
    $rule = $this->expressionManager
        ->createRule();
    $rule->addCondition('rules_test_true')
        ->addCondition('rules_test_true')
        ->addExpressionObject($or);
    // Test that the rule's condition container evaluates to TRUE.
    $this->assertTrue($rule->getConditions()
        ->execute());
    // Add an action to it and execute the rule.
    $rule->addAction('rules_test_debug_log');
    $rule->execute();
    // Test that the action logged something.
    $this->assertRulesDebugLogEntryExists('action called');
}