--- /dev/null
+<?php
+
+namespace Drupal\Tests\comment\Functional;
+
+use Drupal\Component\Utility\SafeMarkup;
+use Drupal\user\RoleInterface;
+
+/**
+ * Tests comment block functionality.
+ *
+ * @group comment
+ */
+class CommentBlockTest extends CommentTestBase {
+
+ /**
+ * Modules to install.
+ *
+ * @var array
+ */
+ public static $modules = ['block', 'views'];
+
+ protected function setUp() {
+ parent::setUp();
+ // Update admin user to have the 'administer blocks' permission.
+ $this->adminUser = $this->drupalCreateUser([
+ 'administer content types',
+ 'administer comments',
+ 'skip comment approval',
+ 'post comments',
+ 'access comments',
+ 'access content',
+ 'administer blocks',
+ ]);
+ }
+
+ /**
+ * Tests the recent comments block.
+ */
+ public function testRecentCommentBlock() {
+ $this->drupalLogin($this->adminUser);
+ $block = $this->drupalPlaceBlock('views_block:comments_recent-block_1');
+
+ // Add some test comments, with and without subjects. Because the 10 newest
+ // comments should be shown by the block, we create 11 to test that behavior
+ // below.
+ $timestamp = REQUEST_TIME;
+ for ($i = 0; $i < 11; ++$i) {
+ $subject = ($i % 2) ? $this->randomMachineName() : '';
+ $comments[$i] = $this->postComment($this->node, $this->randomMachineName(), $subject);
+ $comments[$i]->created->value = $timestamp--;
+ $comments[$i]->save();
+ }
+
+ // Test that a user without the 'access comments' permission cannot see the
+ // block.
+ $this->drupalLogout();
+ user_role_revoke_permissions(RoleInterface::ANONYMOUS_ID, ['access comments']);
+ $this->drupalGet('');
+ $this->assertNoText(t('Recent comments'));
+ user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, ['access comments']);
+
+ // Test that a user with the 'access comments' permission can see the
+ // block.
+ $this->drupalLogin($this->webUser);
+ $this->drupalGet('');
+ $this->assertText(t('Recent comments'));
+
+ // Test the only the 10 latest comments are shown and in the proper order.
+ $this->assertNoText($comments[10]->getSubject(), 'Comment 11 not found in block.');
+ for ($i = 0; $i < 10; $i++) {
+ $this->assertText($comments[$i]->getSubject(), SafeMarkup::format('Comment @number found in block.', ['@number' => 10 - $i]));
+ if ($i > 1) {
+ $previous_position = $position;
+ $position = strpos($this->getRawContent(), $comments[$i]->getSubject());
+ $this->assertTrue($position > $previous_position, SafeMarkup::format('Comment @a appears after comment @b', ['@a' => 10 - $i, '@b' => 11 - $i]));
+ }
+ $position = strpos($this->getRawContent(), $comments[$i]->getSubject());
+ }
+
+ // Test that links to comments work when comments are across pages.
+ $this->setCommentsPerPage(1);
+
+ for ($i = 0; $i < 10; $i++) {
+ $this->clickLink($comments[$i]->getSubject());
+ $this->assertText($comments[$i]->getSubject(), 'Comment link goes to correct page.');
+ $this->assertRaw('<link rel="canonical"', 'Canonical URL was found in the HTML head');
+ }
+ }
+
+}