function FileManagedFileElementTest::testManagedFile

Tests the managed_file element type.

File

core/modules/file/tests/src/Functional/FileManagedFileElementTest.php, line 24

Class

FileManagedFileElementTest

Tests the 'managed_file' element type.

Namespace

Code

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assertText('The form has become outdated.');
                $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.');
}