Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/tracker/src/Access/ViewOwnTrackerAccessCheck.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Access\ViewOwnTrackerAccessCheck.
+ */
+
+namespace Drupal\tracker\Access;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\user\UserInterface;
+
+/**
+ * Access check for user tracker routes.
+ */
+class ViewOwnTrackerAccessCheck implements AccessInterface {
+
+  /**
+   * Checks access.
+   *
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The currently logged in account.
+   * @param \Drupal\user\UserInterface $user
+   *   The user whose tracker page is being accessed.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(AccountInterface $account, UserInterface $user) {
+    return AccessResult::allowedIf($user && $account->isAuthenticated() && ($user->id() == $account->id()))->cachePerUser();
+  }
+}

core/modules/tracker/src/Controller/TrackerPage.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Controller\TrackerPage.
+ */
+
+namespace Drupal\tracker\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+
+/**
+ * Controller for tracker.page route.
+ */
+class TrackerPage extends ControllerBase {
+
+  /**
+   * Content callback for the tracker.page route.
+   */
+  public function getContent() {
+    module_load_include('inc', 'tracker', 'tracker.pages');
+    return tracker_page();
+  }
+}

core/modules/tracker/src/Controller/TrackerUserRecent.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Controller\TrackerUserRecent.
+ */
+
+namespace Drupal\tracker\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\user\UserInterface;
+
+/**
+ * Controller for tracker.users_recent_content route.
+ */
+class TrackerUserRecent extends ControllerBase {
+
+  /**
+   * Content callback for the tracker.users_recent_content route.
+   */
+  public function getContent(UserInterface $user) {
+    module_load_include('inc', 'tracker', 'tracker.pages');
+    return tracker_page($user);
+  }
+}

core/modules/tracker/src/Controller/TrackerUserTab.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Controller\TrackerUserTab.
+ */
+
+namespace Drupal\tracker\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\user\UserInterface;
+use Drupal\Component\Utility\SafeMarkup;
+
+/**
+ * Controller for tracker.user_tab route.
+ */
+class TrackerUserTab extends ControllerBase {
+
+  /**
+   * Content callback for the tracker.user_tab route.
+   */
+  public function getContent(UserInterface $user) {
+    module_load_include('inc', 'tracker', 'tracker.pages');
+    return tracker_page($user);
+  }
+
+  /**
+   * Title callback for the tracker.user_tab route.
+   */
+  public function getTitle(UserInterface $user) {
+    return SafeMarkup::checkPlain($user->getUsername());
+  }
+}

core/modules/tracker/src/Plugin/Menu/UserTrackerTab.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Plugin\Menu\UserTrackerTab.
+ */
+
+namespace Drupal\tracker\Plugin\Menu;
+
+use Drupal\Core\Menu\LocalTaskDefault;
+use Drupal\Core\Routing\RouteMatchInterface;
+
+/**
+ * Provides route parameters needed to link to the current user tracker tab.
+ */
+class UserTrackerTab extends LocalTaskDefault {
+
+  /**
+   * Current user object.
+   *
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  protected $currentUser;
+
+  /**
+   * Gets the current active user.
+   *
+   * @todo: https://www.drupal.org/node/2105123 put this method in
+   *   \Drupal\Core\Plugin\PluginBase instead.
+   *
+   * @return \Drupal\Core\Session\AccountInterface
+   */
+  protected function currentUser() {
+    if (!$this->currentUser) {
+      $this->currentUser = \Drupal::currentUser();
+    }
+    return $this->currentUser;
+  }
+
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRouteParameters(RouteMatchInterface $route_match) {
+    return array('user' => $this->currentUser()->Id());
+  }
+
+}

core/modules/tracker/src/Plugin/views/argument/UserUid.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Plugin\views\argument\UserUid.
+ */
+
+namespace Drupal\tracker\Plugin\views\argument;
+
+use Drupal\comment\Plugin\views\argument\UserUid as CommentUserUid;
+
+/**
+ * UID argument to check for nodes that user posted or commented on.
+ *
+ * @ingroup views_argument_handlers
+ *
+ * @ViewsArgument("tracker_user_uid")
+ */
+class UserUid extends CommentUserUid {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query($group_by = FALSE) {
+    // Because this handler thinks it's an argument for a field on the {node}
+    // table, we need to make sure {tracker_user} is JOINed and use its alias
+    // for the WHERE clause.
+    $tracker_user_alias = $this->query->ensureTable('tracker_user');
+    $this->query->addWhere(0, "$tracker_user_alias.uid", $this->argument);
+  }
+
+}

core/modules/tracker/src/Plugin/views/filter/UserUid.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Plugin\views\filter\UserUid.
+ */
+
+namespace Drupal\tracker\Plugin\views\filter;
+
+use Drupal\user\Plugin\views\filter\Name;
+
+/**
+ * UID filter to check for nodes that a user posted or commented on.
+ *
+ * @ingroup views_filter_handlers
+ *
+ * @ViewsFilter("tracker_user_uid")
+ */
+class UserUid extends Name {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    // Because this handler thinks it's an argument for a field on the {node}
+    // table, we need to make sure {tracker_user} is JOINed and use its alias
+    // for the WHERE clause.
+    $tracker_user_alias = $this->query->ensureTable('tracker_user');
+    // Cast scalars to array so we can consistently use an IN condition.
+    $this->query->addWhere(0, "$tracker_user_alias.uid", (array) $this->value, 'IN');
+  }
+
+}

core/modules/tracker/src/Tests/TrackerNodeAccessTest.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Tests\TrackerNodeAccessTest.
+ */
+
+namespace Drupal\tracker\Tests;
+
+use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\comment\Tests\CommentTestTrait;
+use Drupal\node\Entity\NodeType;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests for private node access on /tracker.
+ *
+ * @group tracker
+ */
+class TrackerNodeAccessTest extends WebTestBase {
+
+  use CommentTestTrait;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('node', 'comment', 'tracker', 'node_access_test');
+
+  protected function setUp() {
+    parent::setUp();
+    node_access_rebuild();
+    $this->drupalCreateContentType(array('type' => 'page'));
+    node_access_test_add_field(NodeType::load('page'));
+    $this->addDefaultCommentField('node', 'page', 'comment', CommentItemInterface::OPEN);
+    \Drupal::state()->set('node_access_test.private', TRUE);
+  }
+
+  /**
+   * Ensure private node on /tracker is only visible to users with permission.
+   */
+  function testTrackerNodeAccess() {
+    // Create user with node test view permission.
+    $access_user = $this->drupalCreateUser(array('node test view', 'access user profiles'));
+
+    // Create user without node test view permission.
+    $no_access_user = $this->drupalCreateuser(array('access user profiles'));
+
+    $this->drupalLogin($access_user);
+
+    // Create some nodes.
+    $private_node = $this->drupalCreateNode(array(
+      'title' => t('Private node test'),
+      'private' => TRUE,
+    ));
+    $public_node = $this->drupalCreateNode(array(
+      'title' => t('Public node test'),
+      'private' => FALSE,
+    ));
+
+    // User with access should see both nodes created.
+    $this->drupalGet('activity');
+    $this->assertText($private_node->getTitle(), 'Private node is visible to user with private access.');
+    $this->assertText($public_node->getTitle(), 'Public node is visible to user with private access.');
+    $this->drupalGet('user/' . $access_user->id() . '/activity');
+    $this->assertText($private_node->getTitle(), 'Private node is visible to user with private access.');
+    $this->assertText($public_node->getTitle(), 'Public node is visible to user with private access.');
+
+    // User without access should not see private node.
+    $this->drupalLogin($no_access_user);
+    $this->drupalGet('activity');
+    $this->assertNoText($private_node->getTitle(), 'Private node is not visible to user without private access.');
+    $this->assertText($public_node->getTitle(), 'Public node is visible to user without private access.');
+    $this->drupalGet('user/' . $access_user->id() . '/activity');
+    $this->assertNoText($private_node->getTitle(), 'Private node is not visible to user without private access.');
+    $this->assertText($public_node->getTitle(), 'Public node is visible to user without private access.');
+  }
+}

core/modules/tracker/src/Tests/TrackerTest.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Tests\TrackerTest.
+ */
+
+namespace Drupal\tracker\Tests;
+
+use Drupal\comment\CommentInterface;
+use Drupal\comment\Tests\CommentTestTrait;
+use Drupal\Core\Cache\Cache;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\simpletest\WebTestBase;
+use Drupal\system\Tests\Cache\AssertPageCacheContextsAndTagsTrait;
+
+/**
+ * Create and delete nodes and check for their display in the tracker listings.
+ *
+ * @group tracker
+ */
+class TrackerTest extends WebTestBase {
+
+  use CommentTestTrait;
+  use AssertPageCacheContextsAndTagsTrait;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('comment', 'tracker', 'history', 'node_test');
+
+  /**
+   * The main user for testing.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $user;
+
+  /**
+   * A second user that will 'create' comments and nodes.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $otherUser;
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->drupalCreateContentType(array('type' => 'page', 'name' => 'Basic page'));
+
+    $permissions = array('access comments', 'create page content', 'post comments', 'skip comment approval');
+    $this->user = $this->drupalCreateUser($permissions);
+    $this->otherUser = $this->drupalCreateUser($permissions);
+    $this->addDefaultCommentField('node', 'page');
+  }
+
+  /**
+   * Tests for the presence of nodes on the global tracker listing.
+   */
+  function testTrackerAll() {
+    $this->drupalLogin($this->user);
+
+    $unpublished = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'status' => 0,
+    ));
+    $published = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'status' => 1,
+    ));
+
+    $this->drupalGet('activity');
+    $this->assertNoText($unpublished->label(), 'Unpublished node does not show up in the tracker listing.');
+    $this->assertText($published->label(), 'Published node shows up in the tracker listing.');
+    $this->assertLink(t('My recent content'), 0, 'User tab shows up on the global tracker page.');
+
+    // Assert cache contexts, specifically the pager and node access contexts.
+    $this->assertCacheContexts(['languages:language_interface', 'theme', 'url.query_args.pagers:0', 'user.node_grants:view', 'user.permissions']);
+    // Assert cache tags for the visible node and node list cache tag.
+    $this->assertCacheTags(Cache::mergeTags($published->getCacheTags(), $published->getOwner()->getCacheTags(), ['node_list', 'rendered']));
+
+    // Delete a node and ensure it no longer appears on the tracker.
+    $published->delete();
+    $this->drupalGet('activity');
+    $this->assertNoText($published->label(), 'Deleted node does not show up in the tracker listing.');
+
+    // Test proper display of time on activity page when comments are disabled.
+    // Disable comments.
+    FieldStorageConfig::loadByName('node', 'comment')->delete();
+    $node = $this->drupalCreateNode([
+      // This title is required to trigger the custom changed time set in the
+      // node_test module. This is needed in order to ensure a sufficiently
+      // large 'time ago' interval that isn't numbered in seconds.
+      'title' => 'testing_node_presave',
+      'status' => 1,
+    ]);
+
+    $this->drupalGet('activity');
+    $this->assertText($node->label(), 'Published node shows up in the tracker listing.');
+    $this->assertText(\Drupal::service('date.formatter')->formatTimeDiffSince($node->getChangedTime()), 'The changed time was displayed on the tracker listing.');
+  }
+
+  /**
+   * Tests for the presence of nodes on a user's tracker listing.
+   */
+  function testTrackerUser() {
+    $this->drupalLogin($this->user);
+
+    $unpublished = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'uid' => $this->user->id(),
+      'status' => 0,
+    ));
+    $my_published = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'uid' => $this->user->id(),
+      'status' => 1,
+    ));
+    $other_published_no_comment = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'uid' => $this->otherUser->id(),
+      'status' => 1,
+    ));
+    $other_published_my_comment = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'uid' => $this->otherUser->id(),
+      'status' => 1,
+    ));
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $other_published_my_comment->id() . '/comment', $comment, t('Save'));
+
+    $this->drupalGet('user/' . $this->user->id() . '/activity');
+    $this->assertNoText($unpublished->label(), "Unpublished nodes do not show up in the user's tracker listing.");
+    $this->assertText($my_published->label(), "Published nodes show up in the user's tracker listing.");
+    $this->assertNoText($other_published_no_comment->label(), "Another user's nodes do not show up in the user's tracker listing.");
+    $this->assertText($other_published_my_comment->label(), "Nodes that the user has commented on appear in the user's tracker listing.");
+
+    // Assert cache contexts; the node grant context is not directly visible due
+    // to it being implied by the user context.
+    $this->assertCacheContexts(['languages:language_interface', 'theme', 'url.query_args.pagers:0', 'user']);
+    // Assert cache tags for the visible nodes (including owners) and node list
+    // cache tag.
+    $tags = Cache::mergeTags(
+      $my_published->getCacheTags(),
+      $my_published->getOwner()->getCacheTags(),
+      $other_published_my_comment->getCacheTags(),
+      $other_published_my_comment->getOwner()->getCacheTags(),
+      ['node_list', 'rendered']
+    );
+    $this->assertCacheTags($tags);
+
+    $this->assertLink($my_published->label());
+    $this->assertNoLink($unpublished->label());
+    // Verify that title and tab title have been set correctly.
+    $this->assertText('Activity', 'The user activity tab has the name "Activity".');
+    $this->assertTitle(t('@name | @site', array('@name' => $this->user->getUsername(), '@site' => $this->config('system.site')->get('name'))), 'The user tracker page has the correct page title.');
+
+    // Verify that unpublished comments are removed from the tracker.
+    $admin_user = $this->drupalCreateUser(array('post comments', 'administer comments', 'access user profiles'));
+    $this->drupalLogin($admin_user);
+    $this->drupalPostForm('comment/1/edit', array('status' => CommentInterface::NOT_PUBLISHED), t('Save'));
+    $this->drupalGet('user/' . $this->user->id() . '/activity');
+    $this->assertNoText($other_published_my_comment->label(), 'Unpublished comments are not counted on the tracker listing.');
+  }
+
+  /**
+   * Tests for the presence of the "new" flag for nodes.
+   */
+  function testTrackerNewNodes() {
+    $this->drupalLogin($this->user);
+
+    $edit = array(
+      'title' => $this->randomMachineName(8),
+    );
+
+    $node = $this->drupalCreateNode($edit);
+    $title = $edit['title'];
+    $this->drupalGet('activity');
+    $this->assertPattern('/' . $title . '.*new/', 'New nodes are flagged as such in the activity listing.');
+
+    $this->drupalGet('node/' . $node->id());
+    // Simulate the JavaScript on the node page to mark the node as read.
+    // @todo Get rid of curlExec() once https://www.drupal.org/node/2074037
+    //   lands.
+    $this->curlExec(array(
+      CURLOPT_URL => \Drupal::url('history.read_node', ['node' => $node->id()], array('absolute' => TRUE)),
+      CURLOPT_HTTPHEADER => array(
+        'Accept: application/json',
+      ),
+    ));
+    $this->drupalGet('activity');
+    $this->assertNoPattern('/' . $title . '.*new/', 'Visited nodes are not flagged as new.');
+
+    $this->drupalLogin($this->otherUser);
+    $this->drupalGet('activity');
+    $this->assertPattern('/' . $title . '.*new/', 'For another user, new nodes are flagged as such in the tracker listing.');
+
+    $this->drupalGet('node/' . $node->id());
+    // Simulate the JavaScript on the node page to mark the node as read.
+    // @todo Get rid of curlExec() once https://www.drupal.org/node/2074037
+    //   lands.
+    $this->curlExec(array(
+      CURLOPT_URL => \Drupal::url('history.read_node', ['node' => $node->id()], array('absolute' => TRUE)),
+      CURLOPT_HTTPHEADER => array(
+        'Accept: application/json',
+      ),
+    ));
+    $this->drupalGet('activity');
+    $this->assertNoPattern('/' . $title . '.*new/', 'For another user, visited nodes are not flagged as new.');
+  }
+
+  /**
+   * Tests for comment counters on the tracker listing.
+   */
+  function testTrackerNewComments() {
+    $this->drupalLogin($this->user);
+
+    $node = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+    ));
+
+    // Add a comment to the page.
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $comment, t('Save'));
+    // The new comment is automatically viewed by the current user. Simulate the
+    // JavaScript that does this.
+    // @todo Get rid of curlExec() once https://www.drupal.org/node/2074037
+    //   lands.
+    $this->curlExec(array(
+      CURLOPT_URL => \Drupal::url('history.read_node', ['node' => $node->id()], array('absolute' => TRUE)),
+      CURLOPT_HTTPHEADER => array(
+        'Accept: application/json',
+      ),
+    ));
+
+    $this->drupalLogin($this->otherUser);
+    $this->drupalGet('activity');
+    $this->assertText('1 new', 'New comments are counted on the tracker listing pages.');
+    $this->drupalGet('node/' . $node->id());
+
+    // Add another comment as otherUser.
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    // If the comment is posted in the same second as the last one then Drupal
+    // can't tell the difference, so we wait one second here.
+    sleep(1);
+    $this->drupalPostForm('comment/reply/node/' . $node->id(). '/comment', $comment, t('Save'));
+
+    $this->drupalLogin($this->user);
+    $this->drupalGet('activity');
+    $this->assertText('1 new', 'New comments are counted on the tracker listing pages.');
+    $this->assertLink(t('1 new'));
+  }
+
+  /**
+   * Tests for ordering on a users tracker listing when comments are posted.
+   */
+  function testTrackerOrderingNewComments() {
+    $this->drupalLogin($this->user);
+
+    $node_one = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+    ));
+
+    $node_two = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+    ));
+
+    // Now get otherUser to track these pieces of content.
+    $this->drupalLogin($this->otherUser);
+
+    // Add a comment to the first page.
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $node_one->id() . '/comment', $comment, t('Save'));
+
+    // If the comment is posted in the same second as the last one then Drupal
+    // can't tell the difference, so we wait one second here.
+    sleep(1);
+
+    // Add a comment to the second page.
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $node_two->id() . '/comment', $comment, t('Save'));
+
+    // We should at this point have in our tracker for otherUser:
+    // 1. node_two
+    // 2. node_one
+    // Because that's the reverse order of the posted comments.
+
+    // Now we're going to post a comment to node_one which should jump it to the
+    // top of the list.
+
+    $this->drupalLogin($this->user);
+    // If the comment is posted in the same second as the last one then Drupal
+    // can't tell the difference, so we wait one second here.
+    sleep(1);
+
+    // Add a comment to the second page.
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $node_one->id() . '/comment', $comment, t('Save'));
+
+    // Switch back to the otherUser and assert that the order has swapped.
+    $this->drupalLogin($this->otherUser);
+    $this->drupalGet('user/' . $this->otherUser->id() . '/activity');
+    // This is a cheeky way of asserting that the nodes are in the right order
+    // on the tracker page.
+    // It's almost certainly too brittle.
+    $pattern = '/' . preg_quote($node_one->getTitle()) . '.+' . preg_quote($node_two->getTitle()) . '/s';
+    $this->verbose($pattern);
+    $this->assertPattern($pattern, 'Most recently commented on node appears at the top of tracker');
+  }
+
+  /**
+   * Tests that existing nodes are indexed by cron.
+   */
+  function testTrackerCronIndexing() {
+    $this->drupalLogin($this->user);
+
+    // Create 3 nodes.
+    $edits = array();
+    $nodes = array();
+    for ($i = 1; $i <= 3; $i++) {
+      $edits[$i] = array(
+        'title' => $this->randomMachineName(),
+      );
+      $nodes[$i] = $this->drupalCreateNode($edits[$i]);
+    }
+
+    // Add a comment to the last node as other user.
+    $this->drupalLogin($this->otherUser);
+    $comment = array(
+      'subject[0][value]' => $this->randomMachineName(),
+      'comment_body[0][value]' => $this->randomMachineName(20),
+    );
+    $this->drupalPostForm('comment/reply/node/' . $nodes[3]->id() . '/comment', $comment, t('Save'));
+
+    // Start indexing backwards from node 3.
+    \Drupal::state()->set('tracker.index_nid', 3);
+
+    // Clear the current tracker tables and rebuild them.
+    db_delete('tracker_node')
+      ->execute();
+    db_delete('tracker_user')
+      ->execute();
+    tracker_cron();
+
+    $this->drupalLogin($this->user);
+
+    // Fetch the user's tracker.
+    $this->drupalGet('activity/' . $this->user->id());
+
+    // Assert that all node titles are displayed.
+    foreach ($nodes as $i => $node) {
+      $this->assertText($node->label(), format_string('Node @i is displayed on the tracker listing pages.', array('@i' => $i)));
+    }
+    $this->assertText('1 new', 'One new comment is counted on the tracker listing pages.');
+    $this->assertText('updated', 'Node is listed as updated');
+
+    // Fetch the site-wide tracker.
+    $this->drupalGet('activity');
+
+    // Assert that all node titles are displayed.
+    foreach ($nodes as $i => $node) {
+      $this->assertText($node->label(), format_string('Node @i is displayed on the tracker listing pages.', array('@i' => $i)));
+    }
+    $this->assertText('1 new', 'New comment is counted on the tracker listing pages.');
+  }
+
+  /**
+   * Tests that publish/unpublish works at admin/content/node.
+   */
+  function testTrackerAdminUnpublish() {
+    \Drupal::service('module_installer')->install(array('views'));
+    \Drupal::service('router.builder')->rebuild();
+    $admin_user = $this->drupalCreateUser(array('access content overview', 'administer nodes', 'bypass node access'));
+    $this->drupalLogin($admin_user);
+
+    $node = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(),
+    ));
+
+    // Assert that the node is displayed.
+    $this->drupalGet('activity');
+    $this->assertText($node->label(), 'A node is displayed on the tracker listing pages.');
+
+    // Unpublish the node and ensure that it's no longer displayed.
+    $edit = array(
+      'action' => 'node_unpublish_action',
+      'node_bulk_form[0]' => $node->id(),
+    );
+    $this->drupalPostForm('admin/content', $edit, t('Apply'));
+
+    $this->drupalGet('activity');
+    $this->assertText(t('No content available.'), 'A node is displayed on the tracker listing pages.');
+  }
+}

core/modules/tracker/src/Tests/Views/TrackerTestBase.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Tests\Views\TrackerTestBase.
+ */
+
+namespace Drupal\tracker\Tests\Views;
+
+use Drupal\comment\Tests\CommentTestTrait;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\views\Tests\ViewTestBase;
+use Drupal\views\Tests\ViewTestData;
+
+/**
+ * Base class for all tracker tests.
+ */
+abstract class TrackerTestBase extends ViewTestBase {
+
+  use CommentTestTrait;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('comment', 'tracker', 'tracker_test_views');
+
+  /**
+   * The node used for testing.
+   *
+   * @var \Drupal\node\NodeInterface
+   */
+  protected $node;
+
+  /**
+   * The comment used for testing.
+   *
+   * @var \Drupal\comment\CommentInterface
+   */
+  protected $comment;
+
+  protected function setUp() {
+    parent::setUp();
+
+    ViewTestData::createTestViews(get_class($this), array('tracker_test_views'));
+
+    $this->drupalCreateContentType(array('type' => 'page', 'name' => 'Basic page'));
+    // Add a comment field.
+    $this->addDefaultCommentField('node', 'page');
+
+    $permissions = array('access comments', 'create page content', 'post comments', 'skip comment approval');
+    $account = $this->drupalCreateUser($permissions);
+
+    $this->drupalLogin($account);
+
+    $this->node = $this->drupalCreateNode(array(
+      'title' => $this->randomMachineName(8),
+      'uid' => $account->id(),
+      'status' => 1,
+    ));
+
+    $this->comment = entity_create('comment', array(
+      'entity_id' => $this->node->id(),
+      'entity_type' => 'node',
+      'field_name' => 'comment',
+      'subject' => $this->randomMachineName(),
+      'comment_body[' . LanguageInterface::LANGCODE_NOT_SPECIFIED . '][0][value]' => $this->randomMachineName(20),
+    ));
+
+  }
+
+}

core/modules/tracker/src/Tests/Views/TrackerUserUidTest.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\tracker\Tests\Views\TrackerUserUidTest.
+ */
+
+namespace Drupal\tracker\Tests\Views;
+
+use Drupal\views\Views;
+
+/**
+ * Tests the tracker user uid handlers.
+ *
+ * @group tracker
+ */
+class TrackerUserUidTest extends TrackerTestBase {
+
+  /**
+   * Views used by this test.
+   *
+   * @var array
+   */
+  public static $testViews = array('test_tracker_user_uid');
+
+  /**
+   * Tests the user uid filter and argument.
+   */
+  public function testUserUid() {
+    $map = array(
+      'nid' => 'nid',
+      'title' => 'title',
+    );
+
+    $expected = array(
+      array(
+        'nid' => $this->node->id(),
+        'title' => $this->node->label(),
+      )
+    );
+
+    $view = Views::getView('test_tracker_user_uid');
+    $this->executeView($view);
+
+    // We should have no results as the filter is set for uid 0.
+    $this->assertIdenticalResultSet($view, array(), $map);
+    $view->destroy();
+
+    // Change the filter value to our user.
+    $view->initHandlers();
+    $view->filter['uid_touch_tracker']->value = $this->node->getOwnerId();
+    $this->executeView($view);
+
+    // We should have one result as the filter is set for the created user.
+    $this->assertIdenticalResultSet($view, $expected, $map);
+    $view->destroy();
+
+    // Remove the filter now, so only the argument will affect the query.
+    $view->removeHandler('default', 'filter', 'uid_touch_tracker');
+
+    // Test the incorrect argument UID.
+    $view->initHandlers();
+    $this->executeView($view, array(rand()));
+    $this->assertIdenticalResultSet($view, array(), $map);
+    $view->destroy();
+
+    // Test the correct argument UID.
+    $view->initHandlers();
+    $this->executeView($view, array($this->node->getOwnerId()));
+    $this->assertIdenticalResultSet($view, $expected, $map);
+  }
+
+}