class ContentModerationSyncingTest

class ContentModerationSyncingTest extends KernelTestBase {
    use ContentModerationTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'user',
        'workflows',
        'content_moderation',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('workflow');
        $this->installEntitySchema('content_moderation_state');
        $this->installEntitySchema('entity_test_mulrevpub');
        $workflow = $this->createEditorialWorkflow();
        $workflow->getTypePlugin()
            ->addEntityTypeAndBundle('entity_test_mulrevpub', 'entity_test_mulrevpub');
        $workflow->save();
    }
    
    /**
     * Tests no new revision is forced during a sync.
     */
    public function testNoRevisionForcedDuringSync() : void {
        $entity = EntityTestMulRevPub::create([
            'moderation_state' => 'draft',
            'name' => 'foo',
        ]);
        $entity->save();
        $initial_revision_id = $entity->getRevisionId();
        $entity->setSyncing(TRUE);
        $entity->name = 'bar';
        $entity->save();
        $this->assertEquals($entity->getRevisionId(), $initial_revision_id);
    }
    
    /**
     * Tests changing the moderation state during a sync.
     */
    public function testSingleRevisionStateChangedDuringSync() : void {
        $entity = EntityTestMulRevPub::create([
            'moderation_state' => 'published',
            'name' => 'foo',
        ]);
        $entity->save();
        $initial_revision_id = $entity->getRevisionId();
        $this->assertTrue($entity->isDefaultRevision());
        $this->assertTrue($entity->isPublished());
        $entity->setSyncing(TRUE);
        $entity->moderation_state = 'draft';
        $entity->save();
        // If a moderation state is changed to a draft while syncing, it will revert
        // to the same properties of an item of content that was initially created
        // as a draft.
        $this->assertEquals($initial_revision_id, $entity->getRevisionId());
        $this->assertFalse($entity->isPublished());
        $this->assertTrue($entity->isDefaultRevision());
        $this->assertEquals('draft', $entity->moderation_state->value);
    }
    
    /**
     * Tests state changes with multiple revisions during a sync.
     */
    public function testMultipleRevisionStateChangedDuringSync() : void {
        $entity = EntityTestMulRevPub::create([
            'moderation_state' => 'published',
            'name' => 'foo',
        ]);
        $entity->save();
        $entity->name = 'bar';
        $entity->save();
        $latest_revision_id = $entity->getRevisionId();
        $entity->setSyncing(TRUE);
        $entity->moderation_state = 'draft';
        $entity->save();
        $this->assertEquals($latest_revision_id, $entity->getRevisionId());
        $this->assertEquals('draft', $entity->moderation_state->value);
        $this->assertEquals('bar', $entity->name->value);
        // The default revision will not automatically be assigned to another
        // revision, so a draft unpublished revision will be created when syncing
        // 'published' to 'draft'.
        $this->assertFalse($entity->isPublished());
        $this->assertTrue($entity->isDefaultRevision());
    }
    
    /**
     * Tests modifying a previous revision during a sync.
     */
    public function testUpdatingPreviousRevisionDuringSync() : void {
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('entity_test_mulrevpub');
        $entity = EntityTestMulRevPub::create([
            'moderation_state' => 'published',
            'name' => 'foo',
        ]);
        $entity->save();
        $original_revision_id = $entity->getRevisionId();
        $entity->name = 'bar';
        $entity->save();
        // Sync a change to the 'name' on the original revision ID.
        $original_revision = $storage->loadRevision($original_revision_id);
        $original_revision->setSyncing(TRUE);
        $original_revision->name = 'baz';
        $original_revision->save();
        // The names of each revision should reflect two revisions, the original one
        // having been updated during a sync.
        $this->assertEquals([
            'baz',
            'bar',
        ], $this->getAllRevisionNames($entity));
    }
    
    /**
     * Tests a moderation state changed on a previous revision during a sync.
     */
    public function testStateChangedPreviousRevisionDuringSync() : void {
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('entity_test_mulrevpub');
        $entity = EntityTestMulRevPub::create([
            'moderation_state' => 'published',
            'name' => 'foo',
        ]);
        $entity->save();
        $entity->moderation_state = 'draft';
        $entity->name = 'bar';
        $entity->save();
        $draft_revision_id = $entity->getRevisionId();
        $entity->name = 'baz';
        $entity->moderation_state = 'published';
        $entity->save();
        $default_revision_id = $entity->getRevisionId();
        // Update the draft revision moderation state to published, which would
        // typically change the default status of a revision during moderation.
        $draft_revision = $storage->loadRevision($draft_revision_id);
        $draft_revision->setSyncing(TRUE);
        $draft_revision->name = 'qux';
        $draft_revision->moderation_state = 'published';
        $draft_revision->save();
        // Ensure the default revision is not changed during the sync.
        $reloaded_default_revision = $storage->load($entity->id());
        $this->assertEquals($default_revision_id, $reloaded_default_revision->getRevisionId());
        $this->assertEquals([
            'foo',
            'qux',
            'baz',
        ], $this->getAllRevisionNames($reloaded_default_revision));
    }
    
    /**
     * Get all the revision names in order of the revision ID.
     *
     * @param \Drupal\entity_test\Entity\EntityTestMulRevPub $entity
     *   The entity.
     *
     * @return array
     *   An array of revision names.
     */
    protected function getAllRevisionNames(EntityTestMulRevPub $entity) {
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('entity_test_mulrevpub');
        return array_map(function ($revision_id) use ($storage) {
            return $storage->loadRevision($revision_id)->name->value;
        }, array_keys($storage->getQuery()
            ->accessCheck(FALSE)
            ->allRevisions()
            ->condition('id', $entity->id())
            ->sort('revision_id', 'ASC')
            ->execute()));
    }

}