--- /dev/null
+<?php
+
+namespace Drupal\Tests\book\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\workflows\Entity\Workflow;
+
+/**
+ * Tests Book and Content Moderation integration.
+ *
+ * @group book
+ */
+class BookContentModerationTest extends BrowserTestBase {
+
+ use BookTestTrait;
+
+ /**
+ * Modules to install.
+ *
+ * @var array
+ */
+ public static $modules = ['book', 'block', 'book_test', 'content_moderation'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->drupalPlaceBlock('system_breadcrumb_block');
+ $this->drupalPlaceBlock('page_title_block');
+
+ $workflow = Workflow::load('editorial');
+ $workflow->getTypePlugin()->addEntityTypeAndBundle('node', 'book');
+ $workflow->save();
+
+ // We need a user with additional content moderation permissions.
+ $this->bookAuthor = $this->drupalCreateUser(['create new books', 'create book content', 'edit own book content', 'add content to books', 'access printer-friendly version', 'view any unpublished content', 'use editorial transition create_new_draft', 'use editorial transition publish']);
+ }
+
+ /**
+ * Tests that book drafts can not modify the book outline.
+ */
+ public function testBookWithPendingRevisions() {
+ // Create two books.
+ $book_1_nodes = $this->createBook(['moderation_state[0][state]' => 'published']);
+ $book_1 = $this->book;
+
+ $this->createBook(['moderation_state[0][state]' => 'published']);
+ $book_2 = $this->book;
+
+ $this->drupalLogin($this->bookAuthor);
+
+ // Check that book pages display along with the correct outlines.
+ $this->book = $book_1;
+ $this->checkBookNode($book_1, [$book_1_nodes[0], $book_1_nodes[3], $book_1_nodes[4]], FALSE, FALSE, $book_1_nodes[0], []);
+ $this->checkBookNode($book_1_nodes[0], [$book_1_nodes[1], $book_1_nodes[2]], $book_1, $book_1, $book_1_nodes[1], [$book_1]);
+
+ // Create a new book page without actually attaching it to a book and create
+ // a draft.
+ $edit = [
+ 'title[0][value]' => $this->randomString(),
+ 'moderation_state[0][state]' => 'published',
+ ];
+ $this->drupalPostForm('node/add/book', $edit, t('Save'));
+ $node = $this->drupalGetNodeByTitle($edit['title[0][value]']);
+ $this->assertTrue($node);
+
+ $edit = [
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+ $this->assertSession()->pageTextNotContains('You can only change the book outline for the published version of this content.');
+
+ // Create a book draft with no changes, then publish it.
+ $edit = [
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $book_1->id() . '/edit', $edit, t('Save'));
+ $this->assertSession()->pageTextNotContains('You can only change the book outline for the published version of this content.');
+ $edit = [
+ 'moderation_state[0][state]' => 'published',
+ ];
+ $this->drupalPostForm('node/' . $book_1->id() . '/edit', $edit, t('Save'));
+
+ // Try to move Node 2 to a different parent.
+ $edit = [
+ 'book[pid]' => $book_1_nodes[3]->id(),
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $book_1_nodes[1]->id() . '/edit', $edit, t('Save'));
+
+ $this->assertSession()->pageTextContains('You can only change the book outline for the published version of this content.');
+
+ // Check that the book outline did not change.
+ $this->book = $book_1;
+ $this->checkBookNode($book_1, [$book_1_nodes[0], $book_1_nodes[3], $book_1_nodes[4]], FALSE, FALSE, $book_1_nodes[0], []);
+ $this->checkBookNode($book_1_nodes[0], [$book_1_nodes[1], $book_1_nodes[2]], $book_1, $book_1, $book_1_nodes[1], [$book_1]);
+
+ // Try to move Node 2 to a different book.
+ $edit = [
+ 'book[bid]' => $book_2->id(),
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $book_1_nodes[1]->id() . '/edit', $edit, t('Save'));
+
+ $this->assertSession()->pageTextContains('You can only change the book outline for the published version of this content.');
+
+ // Check that the book outline did not change.
+ $this->book = $book_1;
+ $this->checkBookNode($book_1, [$book_1_nodes[0], $book_1_nodes[3], $book_1_nodes[4]], FALSE, FALSE, $book_1_nodes[0], []);
+ $this->checkBookNode($book_1_nodes[0], [$book_1_nodes[1], $book_1_nodes[2]], $book_1, $book_1, $book_1_nodes[1], [$book_1]);
+
+ // Try to change the weight of Node 2.
+ $edit = [
+ 'book[weight]' => 2,
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $book_1_nodes[1]->id() . '/edit', $edit, t('Save'));
+
+ $this->assertSession()->pageTextContains('You can only change the book outline for the published version of this content.');
+
+ // Check that the book outline did not change.
+ $this->book = $book_1;
+ $this->checkBookNode($book_1, [$book_1_nodes[0], $book_1_nodes[3], $book_1_nodes[4]], FALSE, FALSE, $book_1_nodes[0], []);
+ $this->checkBookNode($book_1_nodes[0], [$book_1_nodes[1], $book_1_nodes[2]], $book_1, $book_1, $book_1_nodes[1], [$book_1]);
+
+ // Save a new draft revision for the node without any changes and check that
+ // the error message is not displayed.
+ $edit = [
+ 'moderation_state[0][state]' => 'draft',
+ ];
+ $this->drupalPostForm('node/' . $book_1_nodes[1]->id() . '/edit', $edit, t('Save'));
+
+ $this->assertSession()->pageTextNotContains('You can only change the book outline for the published version of this content.');
+ }
+
+}