<?php

/**
 * @file
 * Contains tests for FeedsExHtml.
 */

/**
 * Unit tests for FeedsExHtml.
 */
class FeedsExHtmlUnitTests extends FeedsExUnitTestBase {

  /**
   * The mocked FeedsSource.
   *
   * @var FeedsSource
   */
  protected $source;

  public static function getInfo() {
    return array(
      'name' => 'HTML parser unit tests',
      'description' => 'Unit tests for FeedsExHtml.',
      'group' => 'Feeds EX',
    );
  }

  public function setUp() {
    parent::setUp();

    require_once $this->moduleDir . '/src/FeedsExXml.inc';
    require_once $this->moduleDir . '/src/FeedsExHtml.inc';

    $this->source = $this->getMockFeedsSource();
  }

  /**
   * Tests simple parsing.
   */
  public function testSimpleParsing() {
    $parser = $this->getParserInstance();
    $fetcher_result = new FeedsFetcherResult(file_get_contents($this->moduleDir . '/tests/resources/test.html'));

    $parser->setConfig(array(
      'context' => array(
        'value' => '//div[@class="post"]',
      ),
      'sources' => array(
        'title' => array(
          'name' => 'Title',
          'value' => 'h3',
        ),
        'description' => array(
          'name' => 'Description',
          'value' => 'p',
        ),
      ),
    ));

    $result = $parser->parse($this->source, $fetcher_result);
    $this->assertParserResultItemCount($result, 3);

    $this->assertEqual('I am a title<thing>Stuff</thing>', $result->items[0]['title']);
    $this->assertEqual('I am a description0', $result->items[0]['description']);
    $this->assertEqual('I am a title1', $result->items[1]['title']);
    $this->assertEqual('I am a description1', $result->items[1]['description']);
    $this->assertEqual('I am a title2', $result->items[2]['title']);
    $this->assertEqual('I am a description2', $result->items[2]['description']);
  }

  /**
   * Tests getting the raw value.
   */
  public function testRaw() {
    $parser = $this->getParserInstance();
    $fetcher_result = new FeedsFetcherResult(file_get_contents($this->moduleDir . '/tests/resources/test.html'));

    $parser->setConfig(array(
      'context' => array(
        'value' => '//div[@class="post"]',
      ),
      'sources' => array(
        'title' => array(
          'name' => 'Title',
          'value' => 'h3',
        ),
        'description' => array(
          'name' => 'Description',
          'value' => 'p',
          'raw' => TRUE,
        ),
      ),
    ));

    $result = $parser->parse($this->source, $fetcher_result);
    $this->assertParserResultItemCount($result, 3);

    $this->assertEqual('I am a title<thing>Stuff</thing>', $result->items[0]['title']);
    $this->assertEqual('<p>I am a description0</p>', $result->items[0]['description']);
    $this->assertEqual('I am a title1', $result->items[1]['title']);
    $this->assertEqual('<p>I am a description1</p>', $result->items[1]['description']);
    $this->assertEqual('I am a title2', $result->items[2]['title']);
    $this->assertEqual('<p>I am a description2</p>', $result->items[2]['description']);
  }

  /**
   * Tests innerxml.
   */
  public function testInner() {
    $parser = $this->getParserInstance();
    $fetcher_result = new FeedsFetcherResult(file_get_contents($this->moduleDir . '/tests/resources/test.html'));

    $parser->setConfig(array(
      'context' => array(
        'value' => '//div[@class="post"]',
      ),
      'sources' => array(
        'title' => array(
          'name' => 'Title',
          'value' => 'h3',
        ),
        'description' => array(
          'name' => 'Description',
          'value' => 'p',
          'raw' => TRUE,
          'inner' => TRUE,
        ),
      ),
    ));

    $result = $parser->parse($this->source, $fetcher_result);
    $this->assertParserResultItemCount($result, 3);

    $this->assertEqual('I am a title<thing>Stuff</thing>', $result->items[0]['title']);
    $this->assertEqual('I am a description0', $result->items[0]['description']);
    $this->assertEqual('I am a title1', $result->items[1]['title']);
    $this->assertEqual('I am a description1', $result->items[1]['description']);
    $this->assertEqual('I am a title2', $result->items[2]['title']);
    $this->assertEqual('I am a description2', $result->items[2]['description']);
  }

  /**
   * Tests parsing a CP866 (Russian) encoded file.
   */
  public function testCP866Encoded() {
    $parser = $this->getParserInstance();
    $fetcher_result = new FeedsFetcherResult(file_get_contents($this->moduleDir . '/tests/resources/test_ru.html'));

    $parser->setConfig(array(
      'context' => array(
        'value' => '//div[@class="post"]',
      ),
      'sources' => array(
        'title' => array(
          'name' => 'Title',
          'value' => 'h3',
        ),
        'description' => array(
          'name' => 'Title',
          'value' => 'p',
        ),
      ),
    ));

    $result = $parser->parse($this->source, $fetcher_result);
    $this->assertParserResultItemCount($result, 3);

    foreach ($result->items as $delta => $item) {
      $this->assertEqual('Я название' . $delta, $item['title']);
      $this->assertEqual('Я описание' . $delta, $item['description']);
    }
  }

  /**
   * Tests a EUC-JP (Japanese) encoded file without the encoding declaration.
   *
   * This implicitly tests FeedsExBase's encoding conversion.
   */
  public function testEUCJPEncodedNoDeclaration() {
    $parser = $this->getParserInstance();
    $fetcher_result = new FeedsFetcherResult(file_get_contents($this->moduleDir . '/tests/resources/test_jp.html'));

    $parser->setConfig(array(
      'context' => array(
        'value' => '//div[@class="post"]',
      ),
      'sources' => array(
        'title' => array(
          'name' => 'Title',
          'value' => 'h3',
        ),
        'description' => array(
          'name' => 'Title',
          'value' => 'p',
        ),
      ),
      'source_encoding' => array('EUC-JP'),
    ));

    $result = $parser->parse($this->source, $fetcher_result);
    $this->assertParserResultItemCount($result, 3);

    foreach ($result->items as $delta => $item) {
      $this->assertEqual('私はタイトルです' . $delta, $item['title']);
      $this->assertEqual('私が説明してい' . $delta, $item['description']);
    }
  }

  /**
   * Tests that the link propery is set.
   */
  public function testLinkIsSet() {
    $this->setProperty($this->source, 'config', array(
      'FeedsFileFetcher' => array(
        'source' => 'file fetcher source path',
      ),
    ));

    $parser = $this->getParserInstance();
    $parser->setConfig(array('context' => array('value' => '/beep')));

    $result = $parser->parse($this->source, new FeedsFetcherResult('<?xml version="1.0" encoding="UTF-8"?><item></item>'));
    $this->assertEqual($result->link, 'file fetcher source path');
  }

  /**
   * Tests empty feed handling.
   */
  public function testEmptyFeed() {
    $parser = $this->getParserInstance();
    $parser->parse($this->source, new FeedsFetcherResult(' '));
    $this->assertEmptyFeedMessage($parser->getMessenger()->getMessages());
  }

  /**
   * Returns a new instance of the parser.
   *
   * @return FeedsExHtml
   *   A parser instance.
   */
  protected function getParserInstance() {
    $parser = FeedsConfigurable::instance('FeedsExHtml', strtolower($this->randomName()));
    $parser->setMessenger(new FeedsExTestMessenger());
    return $parser;
  }

}

/**
 * Integration tests for FeedsExHtml.
 */
class FeedsExHtmlTests extends FeedsWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'HTML parser integration tests',
      'description' => 'Integration tests for FeedsExHtml.',
      'group' => 'Feeds EX',
    );
  }

  public function setUp() {
    parent::setUp('feeds_ex');
    $this->createImporterConfiguration();
    $this->setSettings('syndication', '', array('content_type' => ''));
    $this->setPlugin('syndication', 'FeedsExHtml');
  }

  /**
   * Tests the full import process.
   */
  public function test() {
    $this->setContext('syndication', '//div[@class="post"]');
    $this->addMappings('syndication', array(
      0 => array(
        'source' => $this->addExpression('syndication', 'h3'),
        'target' => 'title',
      ),
      1 => array(
        'source' => $this->addExpression('syndication', 'p'),
        'target' => 'body',
      ),
    ));

    $this->importUrl('syndication', file_create_url(drupal_get_path('module', 'feeds_ex') . '/tests/resources/test.html'));
    $this->drupalGet('node/1/edit');
    $this->assertFieldByName('title', 'I am a title<thing>Stuff</thing>');
    $this->assertFieldByName('body[und][0][value]', 'I am a description0');
    $this->drupalGet('node/2/edit');
    $this->assertFieldByName('title', 'I am a title1');
    $this->assertFieldByName('body[und][0][value]', 'I am a description1');
    $this->drupalGet('node/3/edit');
    $this->assertFieldByName('title', 'I am a title2');
    $this->assertFieldByName('body[und][0][value]', 'I am a description2');
  }

  /**
   * Sets the form context value.
   *
   * @param string $id
   *   The importer id.
   * @param string $value
   *   The context value.
   */
  protected function setContext($id, $value) {
    $importer = feeds_importer($id);
    $config = $importer->parser->getConfig();
    $config['context']['value'] = $value;
    $importer->parser->setConfig($config);
    $importer->save();
  }

  /**
   * Adds an expression.
   *
   * @param string $id
   *   The importer id.
   * @param string $value
   *   The expression value.
   * @param array $settings
   *   (optional) Settings to configure the expression. Defaults to an empty
   *   array.
   */
  protected function addExpression($id, $value, array $settings = array()) {
    $importer = feeds_importer($id);
    $config = $importer->parser->getConfig();

    if (!isset($settings['weight'])) {
      $weight = end($config['sources']);
      $weight = $weight ? $weight['weight'] + 1 : 0;
      $settings['weight'] = $weight;
    }

    $settings += array('raw' => 0, 'debug' => 0);

    $machine_name = strtolower($this->randomName());

    $config['sources'][$machine_name] = array(
      'name' => $this->randomString(),
      'value' => $value,
    ) + $settings;

    $importer->parser->setConfig($config);
    $importer->save();

    return $machine_name;
  }

}