Club Drupal

<?php

/**

 * @file

 * Tests for ParserCSV library.

 */

/**

 * Test aggregating a feed as node items.

 *

 * Using DrupalWebTestCase as DrupalUnitTestCase is broken in SimpleTest 2.8.

 * Not inheriting from Feeds base class as ParserCSV should be moved out of

 * Feeds at some time.

 */

class ParserCSVTest extends DrupalWebTestCase {

  protected $profile = 'testing';

  /**

   * {@inheritdoc}

   */

  public static function getInfo() {

    return array(

      'name' => 'CSV Parser unit tests',

      'description' => 'Base level test for Feeds\' built in CSV parser.',

      'group' => 'Feeds',

    );

  }

  /**

   * Test method.

   */

  public function test() {

    drupal_load('module', 'feeds');

    feeds_include_library('ParserCSV.inc', 'ParserCSV');

    $this->_testSimple();

    $this->_testBatching();

    $this->_testEncodingConversion();

    $this->_testEncodingConversionFailure();

  }

  /**

   * Simple test of parsing functionality.

   */

  protected function _testSimple() {

    // Pull in the $control_result array.

    include $this->absolutePath() . '/tests/feeds/nodes.csv.php';

    $delimiters = $this->getDelimiters();

    foreach ($delimiters as $delimiterType => $delimiter) {

      $file = $this->absolutePath() . '/tests/feeds/nodes_' . $delimiterType . '.csv';

      $iterator = new ParserCSVIterator($file);

      $parser = new ParserCSV();

      $parser->setDelimiter($delimiter);

      $rows = $parser->parse($iterator);

      $this->assertFalse($parser->lastLinePos(), t('CSV reports all lines parsed, with delimiter: ') . $delimiterType);

      $this->assertEqual(md5(serialize($rows)), md5(serialize($control_result)), t('Parsed result matches control result.'));

    }

  }

  /**

   * Simple test of encoding conversion prior to parsing.

   */

  protected function _testEncodingConversion() {

    // Pull in the $control_result array.

    include $this->absolutePath() . '/tests/feeds/encoding.csv.php';

    $encodings = $this->getEncodings();

    foreach ($encodings as $encoding) {

      $file = $this->absolutePath() . "/tests/feeds/encoding_{$encoding}.csv";

      $iterator = new ParserCSVIterator($file);

      $parser = new ParserCSV();

      $parser->setDelimiter(',');

      $parser->setEncoding($encoding);

      $rows = $parser->parse($iterator);

      $this->assertFalse($parser->lastLinePos(), format_string('CSV reports all lines parsed, with encoding: %encoding', array('%encoding' => $encoding)));

      $this->assertEqual(md5(serialize($rows)), md5(serialize($control_result)), 'Converted and parsed result matches control result.');

    }

  }

  /**

   * Simple test of failed encoding conversion prior to parsing.

   */

  protected function _testEncodingConversionFailure() {

    // Pull in the $control_result array.

    include $this->absolutePath() . '/tests/feeds/encoding.csv.php';

    $encodings = $this->getEncodings();

    foreach ($encodings as $encoding) {

      $file = $this->absolutePath() . "/tests/feeds/encoding_{$encoding}.csv";

      $iterator = new ParserCSVIterator($file);

      $parser = new ParserCSV();

      $parser->setDelimiter(',');

      // Attempt to read file as UTF-8.

      $parser->setEncoding('UTF-8');

      try {

        $rows = $parser->parse($iterator);

        $this->fail('Incorrect conversion attempt throws exception.');

      }

      catch (ParserCSVEncodingException $e) {

        $this->assertNotNull($e->getMessage(), 'Incorrect conversion attempt throws exception.');

      }

    }

  }

  /**

   * Test batching.

   */

  protected function _testBatching() {

    // Pull in the $control_result array.

    include $this->absolutePath() . '/tests/feeds/nodes.csv.php';

    $delimiters = $this->getDelimiters();

    foreach ($delimiters as $delimiterType => $delimiter) {

      $file = $this->absolutePath() . '/tests/feeds/nodes_' . $delimiterType . '.csv';

      // Set up parser with 2 lines to parse per call.

      $iterator = new ParserCSVIterator($file);

      $parser = new ParserCSV();

      $parser->setDelimiter($delimiter);

      $parser->setLineLimit(2);

      $rows = array();

      $pos = 0;

      // Call parser until all lines are parsed, then compare to control result.

      do {

        $parser->setStartByte($pos);

        $rows = array_merge($rows, $parser->parse($iterator));

        $pos = $parser->lastLinePos();

        $this->assertTrue($parser->lastLinePos() || count($rows) == 10, t('Parser reports line limit correctly'));

      } while ($pos = $parser->lastLinePos());

      $this->assertEqual(md5(serialize($rows)), md5(serialize($control_result)), t('Batch parsed result matches control result for delimiter: ') . $delimiterType);

    }

  }

  /**

   * Absolute path to feeds.

   */

  public function absolutePath() {

    return DRUPAL_ROOT . '/' . drupal_get_path('module', 'feeds');

  }

  /**

   * {@inheritdoc}

   */

  public static function getDelimiters() {

    return array(

      'comma' => ',',

      'pipe' => '|',

      'semicolon' => ';',

      'plus' => '+',

      'tab' => "\t",

    );

  }

  /**

   * {@inheritdoc}

   */

  public static function getEncodings() {

    return array(

      'SJIS-win',

      'SJIS',

    );

  }

}