+<?php
+
+namespace Drupal\views_ui\Tests;
+
+use Drupal\block\Entity\Block;
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\views\Entity\View;
+
+/**
+ * Tests the entity area UI test.
+ *
+ * @see \Drupal\views\Plugin\views\area\Entity
+ * @group views_ui
+ */
+class AreaEntityUITest extends UITestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['entity_test'];
+
+ public function testUI() {
+ // Set up a block and a entity_test entity.
+ $block = Block::create(['id' => 'test_id', 'plugin' => 'system_main_block']);
+ $block->save();
+
+ $entity_test = EntityTest::create(['bundle' => 'entity_test']);
+ $entity_test->save();
+
+ $default = $this->randomView([]);
+ $id = $default['id'];
+ $view = View::load($id);
+
+ $this->drupalGet($view->urlInfo('edit-form'));
+
+ // Add a global NULL argument to the view for testing argument placeholders.
+ $this->drupalPostForm("admin/structure/views/nojs/add-handler/$id/page_1/argument", ['name[views.null]' => 1], 'Add and configure contextual filters');
+ $this->drupalPostForm(NULL, [], 'Apply');
+
+ // Configure both the entity_test area header and the block header to
+ // reference the given entities.
+ $this->drupalPostForm("admin/structure/views/nojs/add-handler/$id/page_1/header", ['name[views.entity_block]' => 1], 'Add and configure header');
+ $this->drupalPostForm(NULL, ['options[target]' => $block->id()], 'Apply');
+
+ $this->drupalPostForm("admin/structure/views/nojs/add-handler/$id/page_1/header", ['name[views.entity_entity_test]' => 1], 'Add and configure header');
+ $this->drupalPostForm(NULL, ['options[target]' => $entity_test->id()], 'Apply');
+
+ $this->drupalPostForm(NULL, [], 'Save');
+
+ // Confirm the correct target identifiers were saved for both entities.
+ $view = View::load($id);
+ $header = $view->getDisplay('default')['display_options']['header'];
+ $this->assertEqual(['entity_block', 'entity_entity_test'], array_keys($header));
+
+ $this->assertEqual($block->id(), $header['entity_block']['target']);
+ $this->assertEqual($entity_test->uuid(), $header['entity_entity_test']['target']);
+
+ // Confirm that the correct serial ID (for the entity_test) and config ID
+ // (for the block) are displayed in the form.
+ $this->drupalGet("admin/structure/views/nojs/handler/$id/page_1/header/entity_block");
+ $this->assertFieldByName('options[target]', $block->id());
+
+ $this->drupalGet("admin/structure/views/nojs/handler/$id/page_1/header/entity_entity_test");
+ $this->assertFieldByName('options[target]', $entity_test->id());
+
+ // Replace the header target entities with argument placeholders.
+ $this->drupalPostForm("admin/structure/views/nojs/handler/$id/page_1/header/entity_block", ['options[target]' => '{{ raw_arguments.null }}'], 'Apply');
+ $this->drupalPostForm("admin/structure/views/nojs/handler/$id/page_1/header/entity_entity_test", ['options[target]' => '{{ raw_arguments.null }}'], 'Apply');
+ $this->drupalPostForm(NULL, [], 'Save');
+
+ // Confirm that the argument placeholders are saved.
+ $view = View::load($id);
+ $header = $view->getDisplay('default')['display_options']['header'];
+ $this->assertEqual(['entity_block', 'entity_entity_test'], array_keys($header));
+
+ $this->assertEqual('{{ raw_arguments.null }}', $header['entity_block']['target']);
+ $this->assertEqual('{{ raw_arguments.null }}', $header['entity_entity_test']['target']);
+
+ // Confirm that the argument placeholders are still displayed in the form.
+ $this->drupalGet("admin/structure/views/nojs/handler/$id/page_1/header/entity_block");
+ $this->assertFieldByName('options[target]', '{{ raw_arguments.null }}');
+
+ $this->drupalGet("admin/structure/views/nojs/handler/$id/page_1/header/entity_entity_test");
+ $this->assertFieldByName('options[target]', '{{ raw_arguments.null }}');
+
+ // Change the targets for both headers back to the entities.
+ $this->drupalPostForm("admin/structure/views/nojs/handler/$id/page_1/header/entity_block", ['options[target]' => $block->id()], 'Apply');
+ $this->drupalPostForm("admin/structure/views/nojs/handler/$id/page_1/header/entity_entity_test", ['options[target]' => $entity_test->id()], 'Apply');
+ $this->drupalPostForm(NULL, [], 'Save');
+
+ // Confirm the targets were again saved correctly and not skipped based on
+ // the previous form value.
+ $view = View::load($id);
+ $header = $view->getDisplay('default')['display_options']['header'];
+ $this->assertEqual(['entity_block', 'entity_entity_test'], array_keys($header));
+
+ $this->assertEqual($block->id(), $header['entity_block']['target']);
+ $this->assertEqual($entity_test->uuid(), $header['entity_entity_test']['target']);
+ }
+
+}