class TrackerTest

class TrackerTest extends BrowserTestBase {
    use CommentTestTrait;
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'block',
        'comment',
        'tracker',
        'history',
        'node_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * 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([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $permissions = [
            'access comments',
            'create page content',
            'post comments',
            'skip comment approval',
        ];
        $this->user = $this->drupalCreateUser($permissions);
        $this->otherUser = $this->drupalCreateUser($permissions);
        $this->addDefaultCommentField('node', 'page');
        user_role_grant_permissions(AccountInterface::ANONYMOUS_ROLE, [
            'access content',
            'access user profiles',
        ]);
        $this->drupalPlaceBlock('local_tasks_block', [
            'id' => 'page_tabs_block',
        ]);
        $this->drupalPlaceBlock('local_actions_block', [
            'id' => 'page_actions_block',
        ]);
    }
    
    /**
     * Tests for the presence of nodes on the global tracker listing.
     */
    public function testTrackerAll() {
        $this->drupalLogin($this->user);
        $unpublished = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'status' => 0,
        ]);
        $published = $this->drupalCreateNode([
            '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assertNoText($unpublished-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label(), 'Unpublished node does not show up in the tracker listing.');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->assertSession()
            ->linkExists(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',
            'route',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.query_args.pagers:0',
            'user.node_grants:view',
            'user',
        ]);
        // Assert cache tags for the action/tabs blocks, visible node, and node list
        // cache tag.
        $expected_tags = Cache::mergeTags($published->getCacheTags(), $published->getOwner()
            ->getCacheTags());
        // Because the 'user.permissions' cache context is being optimized away.
        $role_tags = [];
        foreach ($this->user
            ->getRoles() as $rid) {
            $role_tags[] = "config:user.role.{$rid}";
        }
        $expected_tags = Cache::mergeTags($expected_tags, $role_tags);
        $block_tags = [
            'block_view',
            'local_task',
            'config:block.block.page_actions_block',
            'config:block.block.page_tabs_block',
            'config:block_list',
        ];
        $expected_tags = Cache::mergeTags($expected_tags, $block_tags);
        $additional_tags = [
            'node_list',
            'rendered',
        ];
        $expected_tags = Cache::mergeTags($expected_tags, $additional_tags);
        $this->assertCacheTags($expected_tags);
        // 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.
     */
    public function testTrackerUser() {
        $this->drupalLogin($this->user);
        $unpublished = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'uid' => $this->user
                ->id(),
            'status' => 0,
        ]);
        $my_published = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'uid' => $this->user
                ->id(),
            'status' => 1,
        ]);
        $other_published_no_comment = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'uid' => $this->otherUser
                ->id(),
            'status' => 1,
        ]);
        $other_published_my_comment = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'uid' => $this->otherUser
                ->id(),
            'status' => 1,
        ]);
        $comment = [
            '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.
        $this->assertCacheContexts([
            'languages:language_interface',
            'route',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.query_args.pagers:0',
            'user',
            'user.node_grants:view',
        ]);
        // Assert cache tags for the visible nodes (including owners) and node list
        // cache tag.
        $expected_tags = Cache::mergeTags($my_published->getCacheTags(), $my_published->getOwner()
            ->getCacheTags());
        $expected_tags = Cache::mergeTags($expected_tags, $other_published_my_comment->getCacheTags());
        $expected_tags = Cache::mergeTags($expected_tags, $other_published_my_comment->getOwner()
            ->getCacheTags());
        // Because the 'user.permissions' cache context is being optimized away.
        $role_tags = [];
        foreach ($this->user
            ->getRoles() as $rid) {
            $role_tags[] = "config:user.role.{$rid}";
        }
        $expected_tags = Cache::mergeTags($expected_tags, $role_tags);
        $block_tags = [
            'block_view',
            'local_task',
            'config:block.block.page_actions_block',
            'config:block.block.page_tabs_block',
            'config:block_list',
        ];
        $expected_tags = Cache::mergeTags($expected_tags, $block_tags);
        $additional_tags = [
            'node_list',
            'rendered',
        ];
        $expected_tags = Cache::mergeTags($expected_tags, $additional_tags);
        $this->assertCacheTags($expected_tags);
        $this->assertCacheContexts([
            'languages:language_interface',
            'route',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.query_args.pagers:0',
            'user',
            'user.node_grants:view',
        ]);
        $this->assertSession()
            ->linkExists($my_published->label());
        $this->assertSession()
            ->linkNotExists($unpublished->label());
        // Verify that title and tab title have been set correctly.
        $this->assertText('Activity', 'The user activity tab has the name "Activity".');
        $this->assertTitle($this->user
            ->getAccountName() . ' | Drupal');
        // Verify that unpublished comments are removed from the tracker.
        $admin_user = $this->drupalCreateUser([
            'post comments',
            'administer comments',
            'access user profiles',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalPostForm('comment/1/edit', [
            '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.');
        // Test escaping of title on user's tracker tab.
        \Drupal::service('module_installer')->install([
            'user_hooks_test',
        ]);
        Cache::invalidateTags([
            'rendered',
        ]);
        \Drupal::state()->set('user_hooks_test_user_format_name_alter', TRUE);
        $this->drupalGet('user/' . $this->user
            ->id() . '/activity');
        $this->assertEscaped('<em>' . $this->user
            ->id() . '</em>');
        \Drupal::state()->set('user_hooks_test_user_format_name_alter_safe', TRUE);
        Cache::invalidateTags([
            'rendered',
        ]);
        $this->drupalGet('user/' . $this->user
            ->id() . '/activity');
        $this->assertNoEscaped('<em>' . $this->user
            ->id() . '</em>');
        $this->assertRaw('<em>' . $this->user
            ->id() . '</em>');
    }
    
    /**
     * Tests the metadata for the "new"/"updated" indicators.
     */
    public function testTrackerHistoryMetadata() {
        $this->drupalLogin($this->user);
        // Create a page node.
        $edit = [
            'title' => $this->randomMachineName(8),
        ];
        $node = $this->drupalCreateNode($edit);
        // Verify that the history metadata is present.
        $this->drupalGet('activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->getChangedTime());
        $this->drupalGet('activity/' . $this->user
            ->id());
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->getChangedTime());
        $this->drupalGet('user/' . $this->user
            ->id() . '/activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->getChangedTime());
        // Add a comment to the page, make sure it is created after the node by
        // sleeping for one second, to ensure the last comment timestamp is
        // different from before.
        $comment = [
            'subject[0][value]' => $this->randomMachineName(),
            'comment_body[0][value]' => $this->randomMachineName(20),
        ];
        sleep(1);
        $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $comment, t('Save'));
        // Reload the node so that comment.module's hook_node_load()
        // implementation can set $node->last_comment_timestamp for the freshly
        // posted comment.
        $node = Node::load($node->id());
        // Verify that the history metadata is updated.
        $this->drupalGet('activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->get('comment')->last_comment_timestamp);
        $this->drupalGet('activity/' . $this->user
            ->id());
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->get('comment')->last_comment_timestamp);
        $this->drupalGet('user/' . $this->user
            ->id() . '/activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->get('comment')->last_comment_timestamp);
        // Log out, now verify that the metadata is still there, but the library is
        // not.
        $this->drupalLogout();
        $this->drupalGet('activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->get('comment')->last_comment_timestamp, FALSE);
        $this->drupalGet('user/' . $this->user
            ->id() . '/activity');
        $this->assertHistoryMetadata($node->id(), $node->getChangedTime(), $node->get('comment')->last_comment_timestamp, FALSE);
    }
    
    /**
     * Tests for ordering on a users tracker listing when comments are posted.
     */
    public function testTrackerOrderingNewComments() {
        $this->drupalLogin($this->user);
        $node_one = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
        ]);
        $node_two = $this->drupalCreateNode([
            '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 = [
            '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 = [
            '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 = [
            '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);
        // Verify that the most recent comment on node appears at the top of
        // tracker.
        $this->assertPattern($pattern);
    }
    
    /**
     * Tests that existing nodes are indexed by cron.
     */
    public function testTrackerCronIndexing() {
        $this->drupalLogin($this->user);
        // Create 3 nodes.
        $edits = [];
        $nodes = [];
        for ($i = 1; $i <= 3; $i++) {
            $edits[$i] = [
                'title' => $this->randomMachineName(),
            ];
            $nodes[$i] = $this->drupalCreateNode($edits[$i]);
        }
        // Add a comment to the last node as other user.
        $this->drupalLogin($this->otherUser);
        $comment = [
            'subject[0][value]' => $this->randomMachineName(),
            'comment_body[0][value]' => $this->randomMachineName(20),
        ];
        $this->drupalPostForm('comment/reply/node/' . $nodes[3]->id() . '/comment', $comment, t('Save'));
        // Create an unpublished node.
        $unpublished = $this->drupalCreateNode([
            'title' => $this->randomMachineName(8),
            'status' => 0,
        ]);
        // Start indexing backwards from node 4.
        \Drupal::state()->set('tracker.index_nid', 4);
        // Clear the current tracker tables and rebuild them.
        $connection = Database::getConnection();
        $connection->delete('tracker_node')
            ->execute();
        $connection->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(), new FormattableMarkup('Node @i is displayed on the tracker listing pages.', [
                '@i' => $i,
            ]));
        }
        // Fetch the site-wide tracker.
        $this->drupalGet('activity');
        // Assert that all node titles are displayed.
        foreach ($nodes as $i => $node) {
            $this->assertText($node->label(), new FormattableMarkup('Node @i is displayed on the tracker listing pages.', [
                '@i' => $i,
            ]));
        }
    }
    
    /**
     * Tests that publish/unpublish works at admin/content/node.
     */
    public function testTrackerAdminUnpublish() {
        \Drupal::service('module_installer')->install([
            'views',
        ]);
        \Drupal::service('router.builder')->rebuild();
        $admin_user = $this->drupalCreateUser([
            'access content overview',
            'administer nodes',
            'bypass node access',
        ]);
        $this->drupalLogin($admin_user);
        $node = $this->drupalCreateNode([
            '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 = [
            'action' => 'node_unpublish_action',
            'node_bulk_form[0]' => $node->id(),
        ];
        $this->drupalPostForm('admin/content', $edit, t('Apply to selected items'));
        $this->drupalGet('activity');
        $this->assertText(t('No content available.'), 'A node is displayed on the tracker listing pages.');
    }
    
    /**
     * Passes if the appropriate history metadata exists.
     *
     * Verify the data-history-node-id, data-history-node-timestamp and
     * data-history-node-last-comment-timestamp attributes, which are used by the
     * drupal.tracker-history library to add the appropriate "new" and "updated"
     * indicators, as well as the "x new" replies link to the tracker.
     * We do this in JavaScript to prevent breaking the render cache.
     *
     * @param int $node_id
     *   A node ID, that must exist as a data-history-node-id attribute
     * @param int $node_timestamp
     *   A node timestamp, that must exist as a data-history-node-timestamp
     *   attribute.
     * @param int $node_last_comment_timestamp
     *   A node's last comment timestamp, that must exist as a
     *   data-history-node-last-comment-timestamp attribute.
     * @param bool $library_is_present
     *   Whether the drupal.tracker-history library should be present or not.
     */
    public function assertHistoryMetadata($node_id, $node_timestamp, $node_last_comment_timestamp, $library_is_present = TRUE) {
        $settings = $this->getDrupalSettings();
        $this->assertIdentical($library_is_present, isset($settings['ajaxPageState']) && in_array('tracker/history', explode(',', $settings['ajaxPageState']['libraries'])), 'drupal.tracker-history library is present.');
        $this->assertCount(1, $this->xpath('//table/tbody/tr/td[@data-history-node-id="' . $node_id . '" and @data-history-node-timestamp="' . $node_timestamp . '"]'), 'Tracker table cell contains the data-history-node-id and data-history-node-timestamp attributes for the node.');
        $this->assertCount(1, $this->xpath('//table/tbody/tr/td[@data-history-node-last-comment-timestamp="' . $node_last_comment_timestamp . '"]'), 'Tracker table cell contains the data-history-node-last-comment-timestamp attribute for the node.');
    }

}