class ModerationStateFieldItemListTest

class ModerationStateFieldItemListTest extends KernelTestBase {
    use ContentModerationTestTrait;
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'node',
        'content_moderation',
        'user',
        'system',
        'language',
        'workflows',
    ];
    
    /**
     * @var \Drupal\node\NodeInterface
     */
    protected $testNode;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installSchema('node', 'node_access');
        $this->installEntitySchema('node');
        $this->installEntitySchema('user');
        $this->installEntitySchema('content_moderation_state');
        $this->installConfig('content_moderation');
        NodeType::create([
            'type' => 'unmoderated',
        ])->save();
        $node_type = NodeType::create([
            'type' => 'example',
        ]);
        $node_type->save();
        $workflow = $this->createEditorialWorkflow();
        $workflow->getTypePlugin()
            ->addEntityTypeAndBundle('node', 'example');
        $workflow->save();
        $this->testNode = Node::create([
            'type' => 'example',
            'title' => 'Test title',
        ]);
        $this->testNode
            ->save();
        \Drupal::entityTypeManager()->getStorage('node')
            ->resetCache();
        $this->testNode = Node::load($this->testNode
            ->id());
        ConfigurableLanguage::createFromLangcode('de')->save();
    }
    
    /**
     * Test the field item list when accessing an index.
     */
    public function testArrayIndex() {
        $this->assertFalse($this->testNode
            ->isPublished());
        $this->assertEquals('draft', $this->testNode->moderation_state[0]->value);
    }
    
    /**
     * Test the field item list when iterating.
     */
    public function testArrayIteration() {
        $states = [];
        foreach ($this->testNode->moderation_state as $item) {
            $states[] = $item->value;
        }
        $this->assertEquals([
            'draft',
        ], $states);
    }
    
    /**
     * @covers ::getValue
     */
    public function testGetValue() {
        $this->assertEquals([
            [
                'value' => 'draft',
            ],
        ], $this->testNode->moderation_state
            ->getValue());
    }
    
    /**
     * @covers ::get
     */
    public function testGet() {
        $this->assertEquals('draft', $this->testNode->moderation_state
            ->get(0)->value);
        $this->expectException(\InvalidArgumentException::class);
        $this->testNode->moderation_state
            ->get(2);
    }
    
    /**
     * Tests the item list when it is emptied and appended to.
     */
    public function testEmptyStateAndAppend() {
        // This test case mimics the lifecycle of an entity that is being patched in
        // a rest resource.
        $this->testNode->moderation_state
            ->setValue([]);
        $this->assertTrue($this->testNode->moderation_state
            ->isEmpty());
        $this->assertEmptiedModerationFieldItemList();
        $this->testNode->moderation_state
            ->appendItem();
        $this->assertEquals(1, $this->testNode->moderation_state
            ->count());
        $this->assertEquals(NULL, $this->testNode->moderation_state->value);
        $this->assertEmptiedModerationFieldItemList();
    }
    
    /**
     * Test an empty value assigned to the field item.
     */
    public function testEmptyFieldItem() {
        $this->testNode->moderation_state->value = '';
        $this->assertEquals('', $this->testNode->moderation_state->value);
        $this->assertEmptiedModerationFieldItemList();
    }
    
    /**
     * Test an empty value assigned to the field item list.
     */
    public function testEmptyFieldItemList() {
        $this->testNode->moderation_state = '';
        $this->assertEquals('', $this->testNode->moderation_state->value);
        $this->assertEmptiedModerationFieldItemList();
    }
    
    /**
     * Test the field item when it is unset.
     */
    public function testUnsetItemList() {
        unset($this->testNode->moderation_state);
        $this->assertEquals(NULL, $this->testNode->moderation_state->value);
        $this->assertEmptiedModerationFieldItemList();
    }
    
    /**
     * Test the field item when it is assigned NULL.
     */
    public function testAssignNullItemList() {
        $this->testNode->moderation_state = NULL;
        $this->assertEquals(NULL, $this->testNode->moderation_state->value);
        $this->assertEmptiedModerationFieldItemList();
    }
    
    /**
     * Assert the set of expectations when the moderation state field is emptied.
     */
    protected function assertEmptiedModerationFieldItemList() {
        $this->assertTrue($this->testNode->moderation_state
            ->isEmpty());
        // Test the empty value causes a violation in the entity.
        $violations = $this->testNode
            ->validate();
        $this->assertCount(1, $violations);
        $this->assertEquals('This value should not be null.', $violations->get(0)
            ->getMessage());
        // Test that incorrectly saving the entity regardless will not produce a
        // change in the moderation state.
        $this->testNode
            ->save();
        $this->assertEquals('draft', Node::load($this->testNode
            ->id())->moderation_state->value);
    }
    
    /**
     * Test the list class with a non moderated entity.
     */
    public function testNonModeratedEntity() {
        $unmoderated_node = Node::create([
            'type' => 'unmoderated',
            'title' => 'Test title',
        ]);
        $unmoderated_node->save();
        $this->assertEquals(0, $unmoderated_node->moderation_state
            ->count());
        $unmoderated_node->moderation_state = NULL;
        $this->assertEquals(0, $unmoderated_node->moderation_state
            ->count());
        $this->assertCount(0, $unmoderated_node->validate());
    }
    
    /**
     * Tests that moderation state changes also change the related entity state.
     *
     * @dataProvider moderationStateChangesTestCases
     */
    public function testModerationStateChanges($initial_state, $final_state, $first_published, $first_is_default, $second_published, $second_is_default) {
        $this->testNode->moderation_state->value = $initial_state;
        $this->assertEquals($first_published, $this->testNode
            ->isPublished());
        $this->assertEquals($first_is_default, $this->testNode
            ->isDefaultRevision());
        $this->testNode
            ->save();
        $this->testNode->moderation_state->value = $final_state;
        $this->assertEquals($second_published, $this->testNode
            ->isPublished());
        $this->assertEquals($second_is_default, $this->testNode
            ->isDefaultRevision());
    }
    
    /**
     * Data provider for ::testModerationStateChanges
     */
    public function moderationStateChangesTestCases() {
        return [
            'Draft to draft' => [
                'draft',
                'draft',
                FALSE,
                TRUE,
                FALSE,
                TRUE,
            ],
            'Draft to published' => [
                'draft',
                'published',
                FALSE,
                TRUE,
                TRUE,
                TRUE,
            ],
            'Published to published' => [
                'published',
                'published',
                TRUE,
                TRUE,
                TRUE,
                TRUE,
            ],
            'Published to draft' => [
                'published',
                'draft',
                TRUE,
                TRUE,
                FALSE,
                FALSE,
            ],
        ];
    }
    
    /**
     * Test updating the state for an entity without a workflow.
     */
    public function testEntityWithNoWorkflow() {
        $node_type = NodeType::create([
            'type' => 'example_no_workflow',
        ]);
        $node_type->save();
        $test_node = Node::create([
            'type' => 'example_no_workflow',
            'title' => 'Test node with no workflow',
        ]);
        $test_node->save();
        
        /** @var \Drupal\content_moderation\ModerationInformationInterface $content_moderation_info */
        $content_moderation_info = \Drupal::service('content_moderation.moderation_information');
        $workflow = $content_moderation_info->getWorkflowForEntity($test_node);
        $this->assertNull($workflow);
        $this->assertTrue($test_node->isPublished());
        $test_node->moderation_state
            ->setValue('draft');
        // The entity is still published because there is not a workflow.
        $this->assertTrue($test_node->isPublished());
    }
    
    /**
     * Test the moderation_state field after an entity has been serialized.
     *
     * @dataProvider entityUnserializeTestCases
     */
    public function testEntityUnserialize($state, $default, $published) {
        $this->testNode->moderation_state->value = $state;
        $this->assertEquals($state, $this->testNode->moderation_state->value);
        $this->assertEquals($default, $this->testNode
            ->isDefaultRevision());
        $this->assertEquals($published, $this->testNode
            ->isPublished());
        $unserialized = unserialize(serialize($this->testNode));
        $this->assertEquals($state, $unserialized->moderation_state->value);
        $this->assertEquals($default, $unserialized->isDefaultRevision());
        $this->assertEquals($published, $unserialized->isPublished());
    }
    
    /**
     * Test cases for ::testEntityUnserialize.
     */
    public function entityUnserializeTestCases() {
        return [
            'Default draft state' => [
                'draft',
                TRUE,
                FALSE,
            ],
            'Non-default published state' => [
                'published',
                TRUE,
                TRUE,
            ],
        ];
    }
    
    /**
     * Test saving a moderated node with an existing ID.
     *
     * @dataProvider moderatedEntityWithExistingIdTestCases
     */
    public function testModeratedEntityWithExistingId($state) {
        $node = Node::create([
            'title' => 'Test title',
            'type' => 'example',
            'nid' => 999,
            'moderation_state' => $state,
        ]);
        $node->save();
        $this->assertEquals($state, $node->moderation_state->value);
    }
    
    /**
     * Test cases for ::testModeratedEntityWithExistingId.
     */
    public function moderatedEntityWithExistingIdTestCases() {
        return [
            'Draft non-default state' => [
                'draft',
            ],
            'Published default state' => [
                'published',
            ],
        ];
    }
    
    /**
     * Test customizing the default moderation state.
     */
    public function testWorkflowCustomizedInitialState() {
        $workflow = Workflow::load('editorial');
        $configuration = $workflow->getTypePlugin()
            ->getConfiguration();
        // Test a node for a workflow that hasn't been updated to include the
        // 'default_moderation_state' setting. We must be backwards compatible with
        // configuration that was exported before this change was introduced.
        $this->assertFalse(isset($configuration['default_moderation_state']));
        $legacy_configuration_node = Node::create([
            'title' => 'Test title',
            'type' => 'example',
        ]);
        $this->assertEquals('draft', $legacy_configuration_node->moderation_state->value);
        $legacy_configuration_node->save();
        $this->assertEquals('draft', $legacy_configuration_node->moderation_state->value);
        $configuration['default_moderation_state'] = 'published';
        $workflow->getTypePlugin()
            ->setConfiguration($configuration);
        $workflow->save();
        $updated_default_node = Node::create([
            'title' => 'Test title',
            'type' => 'example',
        ]);
        $this->assertEquals('published', $updated_default_node->moderation_state->value);
        $legacy_configuration_node->save();
        $this->assertEquals('published', $updated_default_node->moderation_state->value);
    }
    
    /**
     * Test the field item list when used with existing unmoderated content.
     */
    public function testWithExistingUnmoderatedContent() {
        $node = Node::create([
            'title' => 'Test title',
            'type' => 'unmoderated',
        ]);
        $node->save();
        $translation = $node->addTranslation('de', $node->toArray());
        $translation->title = 'Translated';
        $translation->save();
        $workflow = Workflow::load('editorial');
        $workflow->getTypePlugin()
            ->addEntityTypeAndBundle('node', 'unmoderated');
        $workflow->save();
        // After enabling moderation, both the original node and translation should
        // have a published moderation state.
        $node = Node::load($node->id());
        $translation = $node->getTranslation('de');
        $this->assertEquals('published', $node->moderation_state->value);
        $this->assertEquals('published', $translation->moderation_state->value);
        // After the node has been updated, both the original node and translation
        // should still have a value.
        $node->title = 'Updated title';
        $node->save();
        $translation = $node->getTranslation('de');
        $this->assertEquals('published', $node->moderation_state->value);
        $this->assertEquals('published', $translation->moderation_state->value);
    }
    
    /**
     * Tests field item list translation support with unmoderated content.
     */
    public function testTranslationWithExistingUnmoderatedContent() {
        $node = Node::create([
            'title' => 'Published en',
            'langcode' => 'en',
            'type' => 'unmoderated',
        ]);
        $node->setPublished();
        $node->save();
        $workflow = Workflow::load('editorial');
        $workflow->getTypePlugin()
            ->addEntityTypeAndBundle('node', 'unmoderated');
        $workflow->save();
        $translation = $node->addTranslation('de');
        $translation->moderation_state = 'draft';
        $translation->save();
        $node_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
        $node = $node_storage->loadRevision($node_storage->getLatestRevisionId($node->id()));
        $this->assertEquals('published', $node->moderation_state->value);
        $this->assertEquals('draft', $translation->moderation_state->value);
        $this->assertTrue($node->isPublished());
        $this->assertFalse($translation->isPublished());
    }

}