Tests emptying a nested container.
public function testChangeParagraphMoveAllFromNestedContainer() {
// Create text paragraph.
$text_paragraph_1 = Paragraph::create([
'type' => 'text',
'field_text' => [
'value' => 'Test text 1',
'format' => 'plain_text',
],
]);
$text_paragraph_1
->save();
// Create a second text paragraph.
$text_paragraph_2 = Paragraph::create([
'type' => 'text',
'field_text' => [
'value' => 'Test text 2.',
'format' => 'plain_text',
],
]);
$text_paragraph_2
->save();
// Create a nested container that contains the two text paragraphs.
$nested_container = Paragraph::create([
'type' => 'paragraphs_container',
'paragraphs_container_paragraphs' => [
$text_paragraph_1,
$text_paragraph_2,
],
]);
$nested_container
->save();
// Create a container that contains the first two text paragraphs.
$container = Paragraph::create([
'type' => 'paragraphs_container',
'paragraphs_container_paragraphs' => [
$nested_container,
],
]);
$container
->save();
// Add test node with paragraph container.
$node = Node::create([
'type' => 'paragraphed_test',
'title' => 'Paragraphs Test',
'field_paragraphs' => [
$container,
],
]);
$node
->save();
// Check that the parent of the second text paragraph is the nested
// container.
$text_paragraph_2 = Paragraph::load($text_paragraph_2
->id());
$this
->assertEquals($text_paragraph_2
->get('parent_id')->value, $nested_container
->id());
$this
->assertEquals($text_paragraph_2
->get('parent_type')->value, 'paragraph');
$this
->drupalGet('/node/' . $node
->id() . '/edit');
$this
->submitForm([], 'Drag & drop');
$assert_session = $this
->assertSession();
$assert_session
->hiddenFieldValueEquals('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][_path]', 'field_paragraphs][0][paragraphs_container_paragraphs][0][paragraphs_container_paragraphs');
$assert_session
->hiddenFieldValueEquals('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][1][_path]', 'field_paragraphs][0][paragraphs_container_paragraphs][0][paragraphs_container_paragraphs');
// Change the path of both text paragraphs to the top container as their
// parent with the nested container in the middle.
$assert_session
->hiddenFieldExists('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][_path]')
->setValue('field_paragraphs][0][paragraphs_container_paragraphs');
$assert_session
->hiddenFieldExists('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][1][_path]')
->setValue('field_paragraphs][0][paragraphs_container_paragraphs');
$assert_session
->hiddenFieldExists('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][_weight]')
->setValue(0);
$assert_session
->hiddenFieldExists('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][_weight]')
->setValue(1);
$assert_session
->hiddenFieldExists('field_paragraphs[dragdrop][field_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][0][dragdrop][paragraphs_container_paragraphs][list][1][_weight]')
->setValue(2);
$this
->submitForm([], 'Complete drag & drop');
$this
->submitForm([], 'Save');
// Check the new structure of the node and its paragraphs.
\Drupal::entityTypeManager()
->getStorage('node')
->resetCache();
\Drupal::entityTypeManager()
->getStorage('paragraph')
->resetCache();
$node = Node::load($node
->id());
$this
->assertEquals(1, count($node
->get('field_paragraphs')));
$this
->assertEquals($container
->id(), $node
->get('field_paragraphs')
->get(0)->target_id);
$container = $node
->get('field_paragraphs')
->get(0)->entity;
$this
->assertEquals('node', $container
->get('parent_type')->value);
$this
->assertEquals($node
->id(), $container
->get('parent_id')->value);
$this
->assertEquals(3, count($container
->get('paragraphs_container_paragraphs')));
$this
->assertEquals($text_paragraph_1
->id(), $container
->get('paragraphs_container_paragraphs')
->get(0)->target_id);
$text_paragraph_1 = $container
->get('paragraphs_container_paragraphs')
->get(0)->entity;
$this
->assertEquals('paragraph', $text_paragraph_1
->get('parent_type')->value);
$this
->assertEquals($container
->id(), $text_paragraph_1
->get('parent_id')->value);
$this
->assertEquals($nested_container
->id(), $container
->get('paragraphs_container_paragraphs')
->get(1)->target_id);
$nested_container = $container
->get('paragraphs_container_paragraphs')
->get(1)->entity;
$this
->assertEquals('paragraph', $nested_container
->get('parent_type')->value);
$this
->assertEquals($container
->id(), $nested_container
->get('parent_id')->value);
$this
->assertEquals(count($nested_container
->get('paragraphs_container_paragraphs')), 0);
$this
->assertEquals($text_paragraph_2
->id(), $container
->get('paragraphs_container_paragraphs')
->get(2)->target_id);
$text_paragraph_2 = $container
->get('paragraphs_container_paragraphs')
->get(2)->entity;
$this
->assertEquals('paragraph', $text_paragraph_2
->get('parent_type')->value);
$this
->assertEquals($container
->id(), $text_paragraph_2
->get('parent_id')->value);
}