class AreaEntityUITest

class AreaEntityUITest extends UITestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    public function testUI() {
        // Set up a block and an 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->toUrl('edit-form'));
        // Add a global NULL argument to the view for testing argument placeholders.
        $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/argument");
        $this->submitForm([
            'name[views.null]' => TRUE,
        ], 'Add and configure contextual filters');
        $this->submitForm([], 'Apply');
        // Configure both the entity_test area header and the block header to
        // reference the given entities.
        $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/header");
        $this->submitForm([
            'name[views.entity_block]' => TRUE,
        ], 'Add and configure header');
        $this->submitForm([
            'options[target]' => $block->id(),
        ], 'Apply');
        $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/header");
        $this->submitForm([
            'name[views.entity_entity_test]' => TRUE,
        ], 'Add and configure header');
        $this->submitForm([
            'options[target]' => $entity_test->id(),
        ], 'Apply');
        $this->submitForm([], 'Save');
        // Confirm the correct target identifiers were saved for both entities.
        $view = View::load($id);
        $header = $view->getDisplay('default')['display_options']['header'];
        $this->assertEquals([
            'entity_block',
            'entity_entity_test',
        ], array_keys($header));
        $this->assertEquals($block->id(), $header['entity_block']['target']);
        $this->assertEquals($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->assertSession()
            ->fieldValueEquals('options[target]', $block->id());
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
        $this->assertSession()
            ->fieldValueEquals('options[target]', $entity_test->id());
        // Replace the header target entities with argument placeholders.
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
        $this->submitForm([
            'options[target]' => '{{ raw_arguments.null }}',
        ], 'Apply');
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
        $this->submitForm([
            'options[target]' => '{{ raw_arguments.null }}',
        ], 'Apply');
        $this->submitForm([], 'Save');
        // Confirm that the argument placeholders are saved.
        $view = View::load($id);
        $header = $view->getDisplay('default')['display_options']['header'];
        $this->assertEquals([
            'entity_block',
            'entity_entity_test',
        ], array_keys($header));
        $this->assertEquals('{{ raw_arguments.null }}', $header['entity_block']['target']);
        $this->assertEquals('{{ 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->assertSession()
            ->fieldValueEquals('options[target]', '{{ raw_arguments.null }}');
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
        $this->assertSession()
            ->fieldValueEquals('options[target]', '{{ raw_arguments.null }}');
        // Change the targets for both headers back to the entities.
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
        $this->submitForm([
            'options[target]' => $block->id(),
        ], 'Apply');
        $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
        $this->submitForm([
            'options[target]' => $entity_test->id(),
        ], 'Apply');
        $this->submitForm([], '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'];
        $this->assertEquals([
            'entity_block',
            'entity_entity_test',
        ], array_keys($header));
        $this->assertEquals($block->id(), $header['entity_block']['target']);
        $this->assertEquals($entity_test->uuid(), $header['entity_entity_test']['target']);
    }

}