LineIteratorTest.php in Feeds extensible parsers 8

Namespace

Drupal\Tests\feeds_ex\Unit\File

File

tests/src/Unit/File/LineIteratorTest.php

<?php

namespace Drupal\Tests\feeds_ex\Unit\File;

use Drupal\Component\Serialization\Json;
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Tests\feeds_ex\Unit\UnitTestBase;
use Drupal\feeds_ex\File\LineIterator;

/**
 * @coversDefaultClass \Drupal\feeds_ex\File\LineIterator
 * @group feeds_ex
 */
class LineIteratorTest extends UnitTestBase {

  /**
   * Tests basic iteration.
   */
  public function test() {
    $iterator = new LineIterator($this->moduleDir . '/tests/resources/test.jsonl');
    $this
      ->assertCount(4, iterator_to_array($iterator));
  }

  /**
   * Tests settings line limits.
   */
  public function testLineLimit() {
    foreach (range(1, 4) as $limit) {
      $iterator = new LineIterator($this->moduleDir . '/tests/resources/test.jsonl');
      $iterator
        ->setLineLimit($limit);
      $array = iterator_to_array($iterator);
      $this
        ->assertCount($limit, $array, new FormattableMarkup('@count lines read.', [
        '@count' => count($array),
      ]));
    }
  }

  /**
   * Tests resuming file position.
   */
  public function testFileResume() {
    $iterator = new LineIterator($this->moduleDir . '/tests/resources/test.jsonl');
    $iterator
      ->setLineLimit(1);
    foreach ([
      'Gilbert',
      'Alexa',
      'May',
      'Deloise',
    ] as $name) {
      foreach ($iterator as $line) {
        $line = Json::decode($line);
        $this
          ->assertSame($line['name'], $name);
      }
      $iterator
        ->setStartPosition($iterator
        ->ftell());
    }
  }

}

Classes

Name	Description
LineIteratorTest	@coversDefaultClass \Drupal\feeds_ex\File\LineIterator @group feeds_ex