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diff --git a/web/modules/contrib/linkchecker/src/Tests/LinkCheckerLinkExtractionTest.php b/web/modules/contrib/linkchecker/src/Tests/LinkCheckerLinkExtractionTest.php
new file mode 100644
index 000000000..de937e001
--- /dev/null
+++ b/web/modules/contrib/linkchecker/src/Tests/LinkCheckerLinkExtractionTest.php
@@ -0,0 +1,395 @@
+<?php
+
+namespace Drupal\linkchecker\Tests;
+
+use Drupal\Core\Session\AccountInterface;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Test Link checker module link extraction functionality.
+ *
+ * @group Link checker
+ */
+class LinkCheckerLinkExtractionTest extends WebTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = [
+    'linkchecker',
+    'path',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $full_html_format = filter_format_load('full_html');
+    $permissions = [
+      'create page content',
+      'edit own page content',
+      'administer url aliases',
+      'create url aliases',
+      filter_permission_name($full_html_format),
+    ];
+
+    // User to set up google_analytics.
+    $this->admin_user = $this->drupalCreateUser($permissions);
+    $this->drupalLogin($this->admin_user);
+  }
+
+  public function testLinkCheckerCreateNodeWithLinks() {
+
+    // Enable all node type page for link extraction.
+    variable_set('linkchecker_scan_node_page', TRUE);
+    variable_set('linkchecker_scan_blocks', 1);
+
+    // Core enables the URL filter for "Full HTML" by default.
+    // -> Blacklist / Disable URL filter for testing.
+    variable_set('linkchecker_filter_blacklist', array('filter_url' => 'filter_url'));
+
+    // Extract from all link checker supported HTML tags.
+    variable_set('linkchecker_extract_from_a', 1);
+    variable_set('linkchecker_extract_from_audio', 1);
+    variable_set('linkchecker_extract_from_embed', 1);
+    variable_set('linkchecker_extract_from_iframe', 1);
+    variable_set('linkchecker_extract_from_img', 1);
+    variable_set('linkchecker_extract_from_object', 1);
+    variable_set('linkchecker_extract_from_video', 1);
+
+    $body = <<<EOT
+<!-- UNSUPPORTED for link checking: -->
+
+<a href="mailto:test@example.com">Send email</a>
+<a href="javascript:foo()">Execute JavaScript</a>
+
+<!-- SUPPORTED for link checking: -->
+
+<!-- URL in HTML comment: http://example.com/test-if-url-filter-is-disabled -->
+
+<!-- Relative URLs -->
+<img src="test.png" alt="Test image 1" />
+<img src="../foo1/test.png" alt="Test image 2" />
+
+<a href="../foo1/bar1">../foo1/bar1</a>
+<a href="./foo2/bar2">./foo2/bar2</a>
+<a href="../foo3/../foo4/foo5">../foo3/../foo4/foo5</a>
+<a href="./foo4/../foo5/foo6">./foo4/../foo5/foo6</a>
+<a href="./foo4/./foo5/foo6">./foo4/./foo5/foo6</a>
+<a href="./test/foo bar/is_valid-hack.test">./test/foo bar/is_valid-hack.test</a>
+
+<!-- URL with uncommon chars that could potentially fail to extract. See http://drupal.org/node/465462. -->
+<a href="http://www.lagrandeepicerie.fr/#e-boutique/Les_produits_du_moment,2/coffret_vins_doux_naturels,149">URL with uncommon chars</a>
+<a href="http://example.com/foo bar/is_valid-hack.test">URL with space</a>
+<a href="http://example.com/ajax.html#key1=value1&key2=value2">URL with ajax query params</a>
+<a href="http://example.com/test.html#test">URL with standard anchor</a>
+
+<!-- object tag: Embed SWF files -->
+<object width="150" height="116"
+  type="application/x-shockwave-flash"
+  data="http://wetterservice.msn.de/phclip.swf?zip=60329&ort=Frankfurt">
+    <param name="movie" value="http://wetterservice.msn.de/phclip.swf?zip=60329&ort=Frankfurt" />
+    <img src="flash.png" width="150" height="116" alt="" /> <br />
+      No weather report visible? At <a href="http://www.msn.de/">MSN</a>
+      you are able to find the weather report missing here and the
+      Flash plugin can be found at <a href="http://www.adobe.com/">Adobe</a>.
+</object>
+
+<!-- object tag: Embed Quicktime Movies on HTML pages -->
+<object width="420" height="282"
+  classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"
+  codebase="http://www.apple.com/qtactivex/qtplugin.cab">
+  <param name="src" value="http://example.net/video/foo1.mov" />
+  <param name="href" value="http://example.net/video/foo2.mov" />
+  <param name="controller" value="true" />
+  <param name="autoplay" value="false" />
+  <param name="scale" value="aspect" />
+  <!--[if gte IE 7]> <!-->
+  <object type="video/quicktime" data="http://example.net/video/foo3.mov" width="420" height="282">
+    <param name="controller" value="true" />
+    <param name="autoplay" value="false" />
+  </object>
+  <!--<![endif]-->
+</object>
+
+<!-- object tag: Play MP4 videos on HTML pages -->
+<object data="http://example.org/video/foo1.mp4" type="video/mp4" width="420" height="288">
+  <param name="src" value="http://example.org/video/foo2.mp4" />
+  <param name="autoplay" value="false" />
+  <param name="autoStart" value="0" />
+  <a href="http://example.org/video/foo3.mp4">/video/foo3.mp4</a>
+</object>
+
+<!-- object tag: Play MP4 videos with Quicktime -->
+<object width="420" height="282" codebase="http://www.apple.com/qtactivex/qtplugin.cab">
+  <param name="src" value="http://example.org/video/foo4.mp4" />
+  <param name="href" value="http://example.org/video/foo5.mp4" />
+  <param name="controller" value="true" />
+  <param name="autoplay" value="false" />
+  <param name="scale" value="aspect" />
+  <!--[if gte IE 7]> <!-->
+  <object type="video/quicktime" data="http://example.org/video/foo6.mp4" width="420" height="282">
+    <param name="controller" value="true" />
+    <param name="autoplay" value="false" />
+  </object>
+  <!--<![endif]-->
+</object>
+
+<!-- object tag: Play flash videos on HTML pages -->
+<object type="application/x-shockwave-flash" data="http://example.org/video/player1.swf" width="420" height="270">
+    <param name="movie" value="http://example.org/video/player2.swf" />
+    <param src="movie" value="http://example.org/video/player3.swf" />
+    <param name="flashvars" value="file=http://example.org/video/foo1.flv&width=420&height=270" />
+</object>
+
+<!-- Embed ActiveX control as objekt -->
+<object width="267" height="175" classid="CLSID:05589FA1-C356-11CE-BF01-00AA0055595A">
+  <param name="filename" value="ritmo.mid">
+</object>
+
+<!-- Add inline frames -->
+<iframe src="http://example.com/iframe/" name="ExampleIFrame" width="300" height="200">
+  <p>Your browser does not support inline frames.</p>
+</iframe>
+
+<!-- https://developer.mozilla.org/en/Using_audio_and_video_in_Firefox -->
+
+<!-- http://www.theora.org/cortado/ -->
+<video src="my_ogg_video.ogg" controls width="320" height="240">
+  <object type="application/x-java-applet" width="320" height="240">
+    <param name="archive" value="http://www.theora.org/cortado.jar">
+    <param name="code" value="com.fluendo.player.Cortado.class">
+    <param name="url" value="my_ogg_video.ogg">
+    <p>You need to install Java to play this file.</p>
+  </object>
+</video>
+
+<video src="video.ogv" controls>
+  <object data="flvplayer1.swf" type="application/x-shockwave-flash">
+    <param name="movie" value="flvplayer2.swf" />
+  </object>
+</video>
+
+<video controls>
+  <source src="http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.ogg" type="video/ogg">
+  <source src="http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.mov">
+  Your browser does not support the <code>video</code> element.
+</video>
+
+<video controls>
+  <source src="foo.ogg" type="video/ogg; codecs=&quot;dirac, speex&quot;">
+  Your browser does not support the <code>video</code> element.
+</video>
+
+<video src="http://v2v.cc/~j/theora_testsuite/320x240.ogg" controls>
+  Your browser does not support the <code>video</code> element.
+</video>
+EOT;
+
+    // Save folder names in variables for reuse.
+    $folder1 = $this->randomName(10);
+    $folder2 = $this->randomName(5);
+
+    // Fill node array.
+    $langcode = LANGUAGE_NONE;
+    $edit = array();
+    $edit['title'] = $this->randomName(32);
+    $edit["body[$langcode][0][value]"] = $body;
+    $edit['path[alias]'] = $folder1 . '/' . $folder2;
+    $edit["body[$langcode][0][format]"] = 'full_html';
+
+    // Extract only full qualified URLs.
+    variable_set('linkchecker_check_links_types', 1);
+
+    // Verify path input field appears on add "Basic page" form.
+    $this->drupalGet('node/add/page');
+    // Verify path input is present.
+    $this->assertFieldByName('path[alias]', '', 'Path input field present on add Basic page form.');
+
+    // Save node.
+    $this->drupalPost('node/add/page', $edit, t('Save'));
+    $this->assertText(t('@type @title has been created.', array('@type' => 'Basic page', '@title' => $edit['title'])), 'Node was created.');
+
+    // Verify if the content links are extracted properly.
+    $urls_fqdn = array(
+      'http://www.lagrandeepicerie.fr/#e-boutique/Les_produits_du_moment,2/coffret_vins_doux_naturels,149',
+      'http://wetterservice.msn.de/phclip.swf?zip=60329&ort=Frankfurt',
+      'http://www.msn.de/',
+      'http://www.adobe.com/',
+      'http://www.apple.com/qtactivex/qtplugin.cab',
+      'http://example.net/video/foo1.mov',
+      'http://example.net/video/foo2.mov',
+      'http://example.net/video/foo3.mov',
+      'http://example.org/video/foo1.mp4',
+      'http://example.org/video/foo2.mp4',
+      'http://example.org/video/foo3.mp4',
+      'http://example.org/video/foo4.mp4',
+      'http://example.org/video/foo5.mp4',
+      'http://example.org/video/foo6.mp4',
+      'http://example.org/video/player1.swf',
+      'http://example.org/video/player2.swf',
+      'http://example.org/video/player3.swf',
+      'http://example.com/iframe/',
+      'http://www.theora.org/cortado.jar',
+      'http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.ogg',
+      'http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.mov',
+      'http://v2v.cc/~j/theora_testsuite/320x240.ogg',
+      'http://example.com/foo bar/is_valid-hack.test',
+      'http://example.com/ajax.html#key1=value1&key2=value2',
+      'http://example.com/test.html#test',
+    );
+
+    foreach ($urls_fqdn as $org_url => $check_url) {
+      $link = $this->getLinkCheckerLink($check_url);
+      if ($link) {
+        $this->assertIdentical($link->url, $check_url, format_string('Absolute URL %org_url matches expected result %check_url.', array('%org_url' => $org_url, '%check_url' => $check_url)));
+      }
+      else {
+        $this->fail(format_string('URL %check_url not found.', array('%check_url' => $check_url)));
+      }
+    }
+
+    // Check if the number of links is correct.
+    // - Verifies if all HTML tag regexes matched.
+    // - Verifies that the linkchecker filter blacklist works well.
+    $urls_in_database = $this->getLinkCheckerLinksCount();
+    $urls_expected_count = count($urls_fqdn);
+    $this->assertEqual($urls_in_database, $urls_expected_count, format_string('Found @urls_in_database URLs in database matches expected result of @urls_expected_count.', array('@urls_in_database' => $urls_in_database, '@urls_expected_count' => $urls_expected_count)));
+
+    // Extract all URLs including relative path.
+    variable_set('clean_url', 1);
+    variable_set('linkchecker_check_links_types', 0);
+
+    $node = $this->drupalGetNodeByTitle($edit['title']);
+    $this->assertTrue($node, 'Node found in database.');
+    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
+    $this->assertRaw(t('@type %title has been updated.', array('@type' => 'Basic page', '%title' => $edit['title'])));
+
+    // @todo Path alias seems not saved!???
+    // $this->assertIdentical($node->path, $edit['path'], format_string('URL alias "@node-path" matches path "@edit-path".', array('@node-path' => $node->path, '@edit-path' => $edit['path'])));
+
+    // Verify if the content links are extracted properly.
+    global $base_root, $base_path;
+    $urls_relative = array(
+      '../foo1/test.png' => $base_root . $base_path . 'foo1/test.png',
+      'test.png' => $base_root . $base_path . $folder1 . '/test.png',
+      '../foo1/bar1' => $base_root . $base_path . 'foo1/bar1',
+      './foo2/bar2' => $base_root . $base_path . $folder1 . '/foo2/bar2',
+      '../foo3/../foo4/foo5' => $base_root . $base_path . 'foo4/foo5',
+      './foo4/../foo5/foo6' => $base_root . $base_path . $folder1 . '/foo5/foo6',
+      './foo4/./foo5/foo6' => $base_root . $base_path . $folder1 . '/foo4/foo5/foo6',
+      './test/foo bar/is_valid-hack.test' => $base_root . $base_path . $folder1 . '/test/foo bar/is_valid-hack.test',
+      'flash.png' => $base_root . $base_path . $folder1 . '/flash.png',
+      'ritmo.mid' => $base_root . $base_path . $folder1 . '/ritmo.mid',
+      'my_ogg_video.ogg' => $base_root . $base_path . $folder1 . '/my_ogg_video.ogg',
+      'video.ogv' => $base_root . $base_path . $folder1 . '/video.ogv',
+      'flvplayer1.swf' => $base_root . $base_path . $folder1 . '/flvplayer1.swf',
+      'flvplayer2.swf' => $base_root . $base_path . $folder1 . '/flvplayer2.swf',
+      'foo.ogg' => $base_root . $base_path . $folder1 . '/foo.ogg',
+    );
+    $this->verbose(theme('item_list', array('items' => $urls_relative, 'title' => 'Verify if following relative URLs exists:')));
+
+    $links_debug = array();
+    $result = db_query('SELECT url FROM {linkchecker_link}');
+    foreach ($result as $row) {
+      $links_debug[] = $row->url;
+    }
+    $this->verbose(theme('item_list', array('items' => $links_debug, 'title' => 'Following URLs exists:')));
+
+    foreach ($urls_relative as $org_url => $check_url) {
+      $link = $this->getLinkCheckerLink($check_url);
+      if ($link) {
+        $this->assertIdentical($link->url, $check_url, format_string('Relative URL %org_url matches expected result %check_url.', array('%org_url' => $org_url, '%check_url' => $check_url)));
+      }
+      else {
+        $this->fail(format_string('URL %check_url not found.', array('%check_url' => $check_url)));
+      }
+    }
+
+    // Check if the number of links is correct.
+    $urls_in_database = $this->getLinkCheckerLinksCount();
+    $urls_expected_count = count($urls_fqdn + $urls_relative);
+    $this->assertEqual($urls_in_database, $urls_expected_count, format_string('Found @urls_in_database URLs in database matches expected result of @urls_expected_count.', array('@urls_in_database' => $urls_in_database, '@urls_expected_count' => $urls_expected_count)));
+
+    // Verify if link check has been enabled for normal URLs.
+    $urls = array(
+      'http://www.lagrandeepicerie.fr/#e-boutique/Les_produits_du_moment,2/coffret_vins_doux_naturels,149',
+      'http://wetterservice.msn.de/phclip.swf?zip=60329&ort=Frankfurt',
+      'http://www.msn.de/',
+      'http://www.adobe.com/',
+      'http://www.apple.com/qtactivex/qtplugin.cab',
+      'http://www.theora.org/cortado.jar',
+      'http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.ogg',
+      'http://v2v.cc/~j/theora_testsuite/pixel_aspect_ratio.mov',
+      'http://v2v.cc/~j/theora_testsuite/320x240.ogg',
+      $base_root . $base_path . 'foo1/test.png',
+      $base_root . $base_path . $folder1 . '/test.png',
+      $base_root . $base_path . 'foo1/bar1',
+      $base_root . $base_path . $folder1 . '/foo2/bar2',
+      $base_root . $base_path . 'foo4/foo5',
+      $base_root . $base_path . $folder1 . '/foo5/foo6',
+      $base_root . $base_path . $folder1 . '/foo4/foo5/foo6',
+      $base_root . $base_path . $folder1 . '/test/foo bar/is_valid-hack.test',
+      $base_root . $base_path . $folder1 . '/flash.png',
+      $base_root . $base_path . $folder1 . '/ritmo.mid',
+      $base_root . $base_path . $folder1 . '/my_ogg_video.ogg',
+      $base_root . $base_path . $folder1 . '/video.ogv',
+      $base_root . $base_path . $folder1 . '/flvplayer1.swf',
+      $base_root . $base_path . $folder1 . '/flvplayer2.swf',
+      $base_root . $base_path . $folder1 . '/foo.ogg',
+    );
+
+    foreach ($urls as $url) {
+      $this->assertTrue($this->getLinkcheckerLink($url)->status, format_string('Link check for %url is enabled.', array('%url' => $url)));
+    }
+
+    // Verify if link check has been disabled for example.com/net/org URLs.
+    $documentation_urls = array(
+      'http://example.net/video/foo1.mov',
+      'http://example.net/video/foo2.mov',
+      'http://example.net/video/foo3.mov',
+      'http://example.org/video/foo1.mp4',
+      'http://example.org/video/foo2.mp4',
+      'http://example.org/video/foo3.mp4',
+      'http://example.org/video/foo4.mp4',
+      'http://example.org/video/foo5.mp4',
+      'http://example.org/video/foo6.mp4',
+      'http://example.org/video/player1.swf',
+      'http://example.org/video/player2.swf',
+      'http://example.org/video/player3.swf',
+      'http://example.com/iframe/',
+      'http://example.com/foo bar/is_valid-hack.test',
+      'http://example.com/ajax.html#key1=value1&key2=value2',
+      'http://example.com/test.html#test',
+    );
+
+    foreach ($documentation_urls as $documentation_url) {
+      $this->assertFalse($this->getLinkcheckerLink($documentation_url)->status, format_string('Link check for %url is disabled.', array('%url' => $documentation_url)));
+    }
+
+  }
+
+  /**
+   * Get linkchecker link by url.
+   *
+   * @param string $url
+   *   URL of the link to find.
+   *
+   * @return object
+   *   The link object.
+   */
+  function getLinkCheckerLink($url) {
+    return db_query('SELECT * FROM {linkchecker_link} WHERE urlhash = :urlhash', array(':urlhash' => drupal_hash_base64($url)))->fetchObject();
+  }
+
+  /**
+   * Get the current number of links in linkchecker_links table.
+   */
+  function getLinkCheckerLinksCount() {
+    return db_query('SELECT COUNT(1) FROM {linkchecker_link}')->fetchField();
+  }
+}