DataIsEmptyTest.php

<?php

namespace Drupal\Tests\rules\Unit\Integration\Condition;

use Drupal\Core\Plugin\Context\Context;
use Drupal\Core\TypedData\ComplexDataInterface;
use Drupal\Tests\rules\Unit\Integration\RulesIntegrationTestBase;

/**
 * @coversDefaultClass \Drupal\rules\Plugin\Condition\DataIsEmpty
 * @group RulesCondition
 */
class DataIsEmptyTest extends RulesIntegrationTestBase {
    
    /**
     * The condition to be tested.
     *
     * @var \Drupal\rules\Core\RulesConditionInterface
     */
    protected $condition;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->condition = $this->conditionManager
            ->createInstance('rules_data_is_empty');
    }
    
    /**
     * Tests evaluating the condition.
     *
     * @covers ::evaluate
     */
    public function testConditionEvaluation() {
        // Test a ComplexDataInterface object.
        $entity_adapter_empty = $this->prophesize(ComplexDataInterface::class);
        $entity_adapter_empty->isEmpty()
            ->willReturn(TRUE)
            ->shouldBeCalledTimes(1);
        $context = $this->condition
            ->getContext('data');
        $context = Context::createFromContext($context, $entity_adapter_empty->reveal());
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
        $entity_adapter_full = $this->prophesize(ComplexDataInterface::class);
        $entity_adapter_full->isEmpty()
            ->willReturn(FALSE)
            ->shouldBeCalledTimes(1);
        $context = Context::createFromContext($context, $entity_adapter_full->reveal());
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        // These should all return FALSE.
        // A non-empty array.
        $context = Context::createFromContext($context, $this->getTypedData('list', [
            1,
            2,
            3,
        ]));
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        // An array containing an empty list.
        $context = Context::createFromContext($context, $this->getTypedData('list', [
            [],
        ]));
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        // An array with a zero-value element.
        $context = Context::createFromContext($context, $this->getTypedData('list', [
            0,
        ]));
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        // A scalar value.
        $context = Context::createFromContext($context, $this->getTypedData('integer', 1));
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        $context = Context::createFromContext($context, $this->getTypedData('string', 'short string'));
        $this->condition
            ->setContext('data', $context);
        $this->assertFalse($this->condition
            ->evaluate());
        // These should all return TRUE.
        // An empty array.
        $context = Context::createFromContext($context, $this->getTypedData('list', []));
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
        // The false/zero/NULL values.
        $context = Context::createFromContext($context, $this->getTypedData('boolean', FALSE));
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
        $context = Context::createFromContext($context, $this->getTypedData('integer', 0));
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
        $context = Context::createFromContext($context, $this->getTypedData('string', NULL));
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
        // An empty string.
        $context = Context::createFromContext($context, $this->getTypedData('string', ''));
        $this->condition
            ->setContext('data', $context);
        $this->assertTrue($this->condition
            ->evaluate());
    }

}