class FileFieldDisplayTest

class FileFieldDisplayTest extends FileFieldTestBase {
    use FieldUiTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests normal formatter display on node display.
     */
    public function testNodeDisplay() : void {
        $field_name = $this->randomMachineName();
        $type_name = 'article';
        $field_storage_settings = [
            'display_field' => '1',
            'display_default' => '1',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ];
        $field_settings = [
            'description_field' => '1',
        ];
        $widget_settings = [];
        $this->createFileField($field_name, 'node', $type_name, $field_storage_settings, $field_settings, $widget_settings);
        // Create a new node *without* the file field set, and check that the field
        // is not shown for each node display.
        $node = $this->drupalCreateNode([
            'type' => $type_name,
        ]);
        // Check file_default last as the assertions below assume that this is the
        // case.
        $file_formatters = [
            'file_table',
            'file_url_plain',
            'hidden',
            'file_default',
        ];
        foreach ($file_formatters as $formatter) {
            if ($formatter === 'hidden') {
                $edit = [
                    "fields[{$field_name}][region]" => 'hidden',
                ];
            }
            else {
                $edit = [
                    "fields[{$field_name}][type]" => $formatter,
                    "fields[{$field_name}][region]" => 'content',
                ];
            }
            $this->drupalGet("admin/structure/types/manage/{$type_name}/display");
            $this->submitForm($edit, 'Save');
            $this->drupalGet('node/' . $node->id());
            // Verify that the field label is hidden when no file is attached.
            $this->assertSession()
                ->pageTextNotContains($field_name);
        }
        $this->generateFile('escaped-&-text', 64, 10, 'text');
        $test_file = File::create([
            'uri' => 'public://escaped-&-text.txt',
            'name' => 'escaped-&-text',
            'filesize' => filesize('public://escaped-&-text.txt'),
        ]);
        // Create a new node with the uploaded file.
        $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
        // Check that the default formatter is displaying with the file name.
        $node_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
        $node_storage->resetCache([
            $nid,
        ]);
        $node = $node_storage->load($nid);
        $node_file = File::load($node->{$field_name}->target_id);
        $file_link = [
            '#theme' => 'file_link',
            '#file' => $node_file,
        ];
        $default_output = \Drupal::service('renderer')->renderRoot($file_link);
        $this->assertSession()
            ->responseContains($default_output);
        // Turn the "display" option off and check that the file is no longer displayed.
        $edit = [
            $field_name . '[0][display]' => FALSE,
        ];
        $this->drupalGet('node/' . $nid . '/edit');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->responseNotContains($default_output);
        // Add a description and make sure that it is displayed.
        $description = $this->randomMachineName();
        $edit = [
            $field_name . '[0][description]' => $description,
            $field_name . '[0][display]' => TRUE,
        ];
        $this->drupalGet('node/' . $nid . '/edit');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains($description);
        // Ensure the filename in the link's title attribute is escaped.
        $this->assertSession()
            ->responseContains('title="escaped-&-text.txt"');
        // Test that fields appear as expected after during the preview.
        // Add a second file.
        $name = 'files[' . $field_name . '_1][]';
        $edit_upload[$name] = \Drupal::service('file_system')->realpath($test_file->getFileUri());
        $this->drupalGet("node/{$nid}/edit");
        $this->submitForm($edit_upload, 'Upload');
        // Uncheck the display checkboxes and go to the preview.
        $edit[$field_name . '[0][display]'] = FALSE;
        $edit[$field_name . '[1][display]'] = FALSE;
        $this->submitForm($edit, 'Preview');
        $this->clickLink('Back to content editing');
        // First file.
        $this->assertSession()
            ->responseContains($field_name . '[0][display]');
        // Second file.
        $this->assertSession()
            ->responseContains($field_name . '[1][display]');
        $this->assertSession()
            ->responseContains($field_name . '[1][description]');
        // Check that the file fields don't contain duplicate HTML IDs.
        $this->assertSession()
            ->pageContainsNoDuplicateId();
    }
    
    /**
     * Tests default display of File Field.
     */
    public function testDefaultFileFieldDisplay() : void {
        $field_name = $this->randomMachineName();
        $type_name = 'article';
        $field_storage_settings = [
            'display_field' => '1',
            'display_default' => '0',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ];
        $field_settings = [
            'description_field' => '1',
        ];
        $widget_settings = [];
        $this->createFileField($field_name, 'node', $type_name, $field_storage_settings, $field_settings, $widget_settings);
        $test_file = $this->getTestFile('text');
        // Create a new node with the uploaded file.
        $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
        $this->drupalGet('node/' . $nid . '/edit');
        $this->assertSession()
            ->fieldExists($field_name . '[0][display]');
        $this->assertSession()
            ->checkboxNotChecked($field_name . '[0][display]');
    }
    
    /**
     * Tests description toggle for field instance configuration.
     */
    public function testDescToggle() : void {
        $type_name = 'test';
        $field_type = 'file';
        $field_name = $this->randomMachineName();
        // Use the UI to add a new content type that also contains a file field.
        $edit = [
            'name' => $type_name,
            'type' => $type_name,
        ];
        $this->drupalGet('admin/structure/types/add');
        $this->submitForm($edit, 'Save and manage fields');
        $field_edit = [
            'settings[description_field]' => TRUE,
        ];
        $this->fieldUIAddNewField('/admin/structure/types/manage/' . $type_name, $field_name, $this->randomString(), $field_type, [], $field_edit);
        // Add a node of our new type and upload a file to it.
        $file = current($this->drupalGetTestFiles('text'));
        $title = $this->randomString();
        $edit = [
            'title[0][value]' => $title,
            'files[field_' . $field_name . '_0]' => \Drupal::service('file_system')->realpath($file->uri),
        ];
        $this->drupalGet('node/add/' . $type_name);
        $this->submitForm($edit, 'Save');
        $node = $this->drupalGetNodeByTitle($title);
        $this->drupalGet('node/' . $node->id() . '/edit');
        $this->assertSession()
            ->pageTextContains('The description may be used as the label of the link to the file.');
    }
    
    /**
     * Tests description display of File Field.
     */
    public function testDescriptionDefaultFileFieldDisplay() : void {
        $field_name = $this->randomMachineName();
        $type_name = 'article';
        $field_storage_settings = [
            'display_field' => '1',
            'display_default' => '1',
            'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
        ];
        $field_settings = [
            'description_field' => '1',
        ];
        $widget_settings = [];
        $this->createFileField($field_name, 'node', $type_name, $field_storage_settings, $field_settings, $widget_settings);
        $test_file = $this->getTestFile('text');
        // Create a new node with the uploaded file.
        $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
        // Add file description.
        $description = 'This is the test file description';
        $this->drupalGet("node/{$nid}/edit");
        $this->submitForm([
            $field_name . '[0][description]' => $description,
        ], 'Save');
        // Load uncached node.
        \Drupal::entityTypeManager()->getStorage('node')
            ->resetCache([
            $nid,
        ]);
        $node = Node::load($nid);
        // Test default formatter.
        $this->drupalGet('node/' . $nid);
        $this->assertSession()
            ->elementTextContains('xpath', '//a[@href="' . $node->{$field_name}->entity
            ->createFileUrl() . '"]', $description);
        // Change formatter to "Table of files".
        $display = \Drupal::entityTypeManager()->getStorage('entity_view_display')
            ->load('node.' . $type_name . '.default');
        $display->setComponent($field_name, [
            'label' => 'hidden',
            'type' => 'file_table',
        ])
            ->save();
        $this->drupalGet('node/' . $nid);
        $this->assertSession()
            ->elementTextContains('xpath', '//a[@href="' . $node->{$field_name}->entity
            ->createFileUrl() . '"]', $description);
        // Test that null file size is rendered as "Unknown".
        $nonexistent_file = File::create([
            'uri' => 'temporary://' . $this->randomMachineName() . '.txt',
        ]);
        $nonexistent_file->save();
        $node->set($field_name, $nonexistent_file->id());
        $node->save();
        $this->drupalGet('node/' . $nid);
        $this->assertSession()
            ->elementTextEquals('xpath', '//a[@href="' . $node->{$field_name}->entity
            ->createFileUrl() . '"]/../../../td[2]', 'Unknown');
    }

}