--- /dev/null
+<?php
+
+namespace Drupal\Tests\file\Functional;
+
+/**
+ * Tests the 'managed_file' element type.
+ *
+ * @group file
+ * @todo Create a FileTestBase class and move FileFieldTestBase methods
+ * that aren't related to fields into it.
+ */
+class FileManagedFileElementTest extends FileFieldTestBase {
+
+ /**
+ * Tests the managed_file element type.
+ */
+ public function testManagedFile() {
+ // Check that $element['#size'] is passed to the child upload element.
+ $this->drupalGet('file/test');
+ $this->assertFieldByXpath('//input[@name="files[nested_file]" and @size="13"]', NULL, 'The custom #size attribute is passed to the child upload element.');
+
+ // Perform the tests with all permutations of $form['#tree'],
+ // $element['#extended'], and $element['#multiple'].
+ $test_file = $this->getTestFile('text');
+ foreach ([0, 1] as $tree) {
+ foreach ([0, 1] as $extended) {
+ foreach ([0, 1] as $multiple) {
+ $path = 'file/test/' . $tree . '/' . $extended . '/' . $multiple;
+ $input_base_name = $tree ? 'nested_file' : 'file';
+ $file_field_name = $multiple ? 'files[' . $input_base_name . '][]' : 'files[' . $input_base_name . ']';
+
+ // Submit without a file.
+ $this->drupalPostForm($path, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => implode(',', [])]), 'Submitted without a file.');
+
+ // Submit with a file, but with an invalid form token. Ensure the file
+ // was not saved.
+ $last_fid_prior = $this->getLastFileId();
+ $this->drupalGet($path);
+ $form_token_field = $this->assertSession()->hiddenFieldExists('form_token');
+ $form_token_field->setValue('invalid token');
+ $edit = [
+ $file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri()),
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Save'));
+ $this->assertText('The form has become outdated. Copy any unsaved work in the form below');
+ $last_fid = $this->getLastFileId();
+ $this->assertEqual($last_fid_prior, $last_fid, 'File was not saved when uploaded with an invalid form token.');
+
+ // Submit a new file, without using the Upload button.
+ $last_fid_prior = $this->getLastFileId();
+ $edit = [$file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $this->drupalPostForm($path, $edit, t('Save'));
+ $last_fid = $this->getLastFileId();
+ $this->assertTrue($last_fid > $last_fid_prior, 'New file got saved.');
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => implode(',', [$last_fid])]), 'Submit handler has correct file info.');
+
+ // Submit no new input, but with a default file.
+ $this->drupalPostForm($path . '/' . $last_fid, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => implode(',', [$last_fid])]), 'Empty submission did not change an existing file.');
+
+ // Upload, then Submit.
+ $last_fid_prior = $this->getLastFileId();
+ $this->drupalGet($path);
+ $edit = [$file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ $last_fid = $this->getLastFileId();
+ $this->assertTrue($last_fid > $last_fid_prior, 'New file got uploaded.');
+ $this->drupalPostForm(NULL, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => implode(',', [$last_fid])]), 'Submit handler has correct file info.');
+
+ // Remove, then Submit.
+ $remove_button_title = $multiple ? t('Remove selected') : t('Remove');
+ $remove_edit = [];
+ if ($multiple) {
+ $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $last_fid . '][selected]';
+ $remove_edit = [$selected_checkbox => '1'];
+ }
+ $this->drupalGet($path . '/' . $last_fid);
+ $this->drupalPostForm(NULL, $remove_edit, $remove_button_title);
+ $this->drupalPostForm(NULL, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => '']), 'Submission after file removal was successful.');
+
+ // Upload, then Remove, then Submit.
+ $this->drupalGet($path);
+ $edit = [$file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ $remove_edit = [];
+ if ($multiple) {
+ $selected_checkbox = ($tree ? 'nested[file]' : 'file') . '[file_' . $this->getLastFileId() . '][selected]';
+ $remove_edit = [$selected_checkbox => '1'];
+ }
+ $this->drupalPostForm(NULL, $remove_edit, $remove_button_title);
+
+ $this->drupalPostForm(NULL, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => '']), 'Submission after file upload and removal was successful.');
+ }
+ }
+ }
+
+ // The multiple file upload has additional conditions that need checking.
+ $path = 'file/test/1/1/1';
+ $edit = ['files[nested_file][]' => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $fid_list = [];
+
+ $this->drupalGet($path);
+
+ // Add a single file to the upload field.
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ $fid_list[] = $this->getLastFileId();
+ $this->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[0] . '][selected]"]', NULL, 'First file successfully uploaded to multiple file element.');
+
+ // Add another file to the same upload field.
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ $fid_list[] = $this->getLastFileId();
+ $this->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[1] . '][selected]"]', NULL, 'Second file successfully uploaded to multiple file element.');
+
+ // Save the entire form.
+ $this->drupalPostForm(NULL, [], t('Save'));
+ $this->assertRaw(t('The file ids are %fids.', ['%fids' => implode(',', $fid_list)]), 'Two files saved into a single multiple file element.');
+
+ // Delete only the first file.
+ $edit = [
+ 'nested[file][file_' . $fid_list[0] . '][selected]' => '1',
+ ];
+ $this->drupalPostForm($path . '/' . implode(',', $fid_list), $edit, t('Remove selected'));
+
+ // Check that the first file has been deleted but not the second.
+ $this->assertNoFieldByXpath('//input[@name="nested[file][file_' . $fid_list[0] . '][selected]"]', NULL, 'An individual file can be deleted from a multiple file element.');
+ $this->assertFieldByXpath('//input[@name="nested[file][file_' . $fid_list[1] . '][selected]"]', NULL, 'Second individual file not deleted when the first file is deleted from a multiple file element.');
+ }
+
+ /**
+ * Ensure that warning is shown if file on the field has been removed.
+ */
+ public function testManagedFileRemoved() {
+ $this->drupalGet('file/test/1/0/1');
+ $test_file = $this->getTestFile('text');
+ $file_field_name = 'files[nested_file][]';
+
+ $edit = [$file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+
+ $fid = $this->getLastFileId();
+ $file = \Drupal::entityManager()->getStorage('file')->load($fid);
+ $file->delete();
+
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ // We expect the title 'Managed <em>file & butter</em>' which got escaped
+ // via a t() call before.
+ $this->assertRaw('The file referenced by the Managed <em>file & butter</em> field does not exist.');
+ }
+
+ /**
+ * Ensure a file entity can be saved when the file does not exist on disk.
+ */
+ public function testFileRemovedFromDisk() {
+ $this->drupalGet('file/test/1/0/1');
+ $test_file = $this->getTestFile('text');
+ $file_field_name = 'files[nested_file][]';
+
+ $edit = [$file_field_name => \Drupal::service('file_system')->realpath($test_file->getFileUri())];
+ $this->drupalPostForm(NULL, $edit, t('Upload'));
+ $this->drupalPostForm(NULL, [], t('Save'));
+
+ $fid = $this->getLastFileId();
+ /** @var $file \Drupal\file\FileInterface */
+ $file = $this->container->get('entity_type.manager')->getStorage('file')->load($fid);
+ $file->setPermanent();
+ $file->save();
+ $this->assertTrue(file_unmanaged_delete($file->getFileUri()));
+ $file->save();
+ $this->assertTrue($file->isPermanent());
+ $file->delete();
+ }
+
+ /**
+ * Verify that unused permanent files can be used.
+ */
+ public function testUnusedPermanentFileValidation() {
+
+ // Create a permanent file without usages.
+ $file = $this->getTestFile('image');
+ $file->setPermanent();
+ $file->save();
+
+ // By default, unused files are no longer marked temporary, and it must be
+ // allowed to reference an unused file.
+ $this->drupalGet('file/test/1/0/1/' . $file->id());
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->assertNoText('The file used in the Managed file & butter field may not be referenced.');
+ $this->assertText('The file ids are ' . $file->id());
+
+ // Enable marking unused files as temporary, unused permanent files must not
+ // be referenced now.
+ $this->config('file.settings')
+ ->set('make_unused_managed_files_temporary', TRUE)
+ ->save();
+ $this->drupalGet('file/test/1/0/1/' . $file->id());
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->assertText('The file used in the Managed file & butter field may not be referenced.');
+ $this->assertNoText('The file ids are ' . $file->id());
+
+ // Make the file temporary, now using it is allowed.
+ $file->setTemporary();
+ $file->save();
+
+ $this->drupalGet('file/test/1/0/1/' . $file->id());
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->assertNoText('The file used in the Managed file & butter field may not be referenced.');
+ $this->assertText('The file ids are ' . $file->id());
+
+ // Make the file permanent again and add a usage from itself, referencing is
+ // still allowed.
+ $file->setPermanent();
+ $file->save();
+
+ /** @var \Drupal\file\FileUsage\FileUsageInterface $file_usage */
+ $file_usage = \Drupal::service('file.usage');
+ $file_usage->add($file, 'file', 'file', $file->id());
+
+ $this->drupalGet('file/test/1/0/1/' . $file->id());
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->assertNoText('The file used in the Managed file & butter field may not be referenced.');
+ $this->assertText('The file ids are ' . $file->id());
+ }
+
+}