AndExpressionTest.php in Rules 8.3

Namespace

Drupal\Tests\rules\Unit

File

tests/src/Unit/AndExpressionTest.php

<?php

namespace Drupal\Tests\rules\Unit;

use Drupal\rules\Context\ExecutionStateInterface;
use Drupal\rules\Engine\ConditionExpressionInterface;
use Drupal\rules\Plugin\RulesExpression\AndExpression;
use Prophecy\Argument;

/**
 * @coversDefaultClass \Drupal\rules\Plugin\RulesExpression\AndExpression
 * @group Rules
 */
class AndExpressionTest extends RulesUnitTestBase {

  /**
   * The 'and' condition container being tested.
   *
   * @var \Drupal\rules\Engine\ConditionExpressionContainerInterface
   */
  protected $and;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->and = new AndExpression([], '', [
      'label' => 'Condition set (AND)',
    ], $this->expressionManager
      ->reveal(), $this->rulesDebugLogger
      ->reveal());
  }

  /**
   * Tests one condition.
   */
  public function testOneCondition() {

    // The method on the test condition must be called once.
    $this->trueConditionExpression
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->shouldBeCalledTimes(1);
    $this->and
      ->addExpressionObject($this->trueConditionExpression
      ->reveal());
    $this
      ->assertTrue($this->and
      ->execute(), 'Single condition returns TRUE.');
  }

  /**
   * Tests an empty AND.
   */
  public function testEmptyAnd() {
    $property = new \ReflectionProperty($this->and, 'conditions');
    $property
      ->setAccessible(TRUE);
    $this
      ->assertEmpty($property
      ->getValue($this->and));
    $this
      ->assertFalse($this->and
      ->execute(), 'Empty AND returns FALSE.');
  }

  /**
   * Tests two true conditions.
   */
  public function testTwoConditions() {

    // The method on the test condition must be called once.
    $this->trueConditionExpression
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->shouldBeCalledTimes(1);
    $second_condition = $this
      ->prophesize(ConditionExpressionInterface::class);
    $second_condition
      ->getUuid()
      ->willReturn('true_uuid2');
    $second_condition
      ->getWeight()
      ->willReturn(0);
    $second_condition
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->willReturn(TRUE)
      ->shouldBeCalledTimes(1);
    $this->and
      ->addExpressionObject($this->trueConditionExpression
      ->reveal())
      ->addExpressionObject($second_condition
      ->reveal());
    $this
      ->assertTrue($this->and
      ->execute(), 'Two conditions returns TRUE.');
  }

  /**
   * Tests two false conditions.
   */
  public function testTwoFalseConditions() {

    // The method on the test condition must be called once.
    $this->falseConditionExpression
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->shouldBeCalledTimes(1);
    $second_condition = $this
      ->prophesize(ConditionExpressionInterface::class);
    $second_condition
      ->getUuid()
      ->willReturn('false_uuid2');
    $second_condition
      ->getWeight()
      ->willReturn(0);

    // Evaluation of an AND condition group should stop with first FALSE.
    // The second condition should not be evaluated.
    $second_condition
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->willReturn(FALSE)
      ->shouldNotBeCalled();
    $this->and
      ->addExpressionObject($this->falseConditionExpression
      ->reveal())
      ->addExpressionObject($second_condition
      ->reveal());
    $this
      ->assertFalse($this->and
      ->execute(), 'Two false conditions return FALSE.');
  }

  /**
   * Tests evaluation order with two conditions.
   */
  public function testEvaluationOrder() {

    // The method on the false test condition must be called once.
    $this->falseConditionExpression
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->shouldBeCalledTimes(1);

    // Set weight to 1 so it will be evaluated second.
    $this->falseConditionExpression
      ->getWeight()
      ->willReturn(1);
    $second_condition = $this
      ->prophesize(ConditionExpressionInterface::class);
    $second_condition
      ->getUuid()
      ->willReturn('true_uuid2');
    $second_condition
      ->getWeight()
      ->willReturn(0);

    // If the above false condition is evaluated first, the second condition
    // will not be called. If the evaluation order is correct, then it should
    // be called exactly once.
    $second_condition
      ->executeWithState(Argument::type(ExecutionStateInterface::class))
      ->willReturn(TRUE)
      ->shouldBeCalledTimes(1);

    // Second condition should be called first, because of weight.
    $this->and
      ->addExpressionObject($this->falseConditionExpression
      ->reveal())
      ->addExpressionObject($second_condition
      ->reveal());
    $this
      ->assertFalse($this->and
      ->execute(), 'Correct execution order of conditions.');
  }

}

Classes

Name	Description
AndExpressionTest	@coversDefaultClass \Drupal\rules\Plugin\RulesExpression\AndExpression @group Rules