function FileFieldWidgetTestCase::testSingleValuedWidget

Tests upload and remove buttons for a single-valued File field.

File

modules/file/tests/file.test, line 546

Class

FileFieldWidgetTestCase

Tests file field widget.

Code

function testSingleValuedWidget() {
    // Use 'page' instead of 'article', so that the 'article' image field does
    // not conflict with this test. If in the future the 'page' type gets its
    // own default file or image field, this test can be made more robust by
    // using a custom node type.
    $type_name = 'page';
    $field_name = strtolower($this->randomName());
    $this->createFileField($field_name, $type_name);
    $field = field_info_field($field_name);
    $instance = field_info_instance('node', $field_name, $type_name);
    $test_file = $this->getTestFile('text');
    foreach (array(
        'nojs',
        'js',
    ) as $type) {
        // Create a new node with the uploaded file and ensure it got uploaded
        // successfully.
        // @todo This only tests a 'nojs' submission, because drupalPostAJAX()
        //   does not yet support file uploads.
        $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
        $node = node_load($nid, NULL, TRUE);
        $node_file = (object) $node->{$field_name}[LANGUAGE_NONE][0];
        $this->assertFileExists($node_file, 'New file saved to disk on node creation.');
        // Test that running field_attach_update() leaves the file intact.
        $field = new stdClass();
        $field->type = $type_name;
        $field->nid = $nid;
        field_attach_update('node', $field);
        $node = node_load($nid);
        $node_file = (object) $node->{$field_name}[LANGUAGE_NONE][0];
        $this->assertFileExists($node_file, 'New file still saved to disk on field update.');
        // Ensure the file can be downloaded.
        $this->drupalGet(file_create_url($node_file->uri));
        $this->assertResponse(200, 'Confirmed that the generated URL is correct by downloading the shipped file.');
        // Ensure the edit page has a remove button instead of an upload button.
        $this->drupalGet("node/{$nid}/edit");
        $this->assertNoFieldByXPath('//input[@type="submit"]', t('Upload'), 'Node with file does not display the "Upload" button.');
        $this->assertFieldByXpath('//input[@type="submit"]', t('Remove'), 'Node with file displays the "Remove" button.');
        // "Click" the remove button (emulating either a nojs or js submission).
        switch ($type) {
            case 'nojs':
                $this->drupalPost(NULL, array(), t('Remove'));
                break;
            case 'js':
                $button = $this->xpath('//input[@type="submit" and @value="' . t('Remove') . '"]');
                $this->drupalPostAJAX(NULL, array(), array(
                    (string) $button[0]['name'] => (string) $button[0]['value'],
                ));
                break;
        }
        // Ensure the page now has an upload button instead of a remove button.
        $this->assertNoFieldByXPath('//input[@type="submit"]', t('Remove'), 'After clicking the "Remove" button, it is no longer displayed.');
        $this->assertFieldByXpath('//input[@type="submit"]', t('Upload'), 'After clicking the "Remove" button, the "Upload" button is displayed.');
        // Save the node and ensure it does not have the file.
        $this->drupalPost(NULL, array(), t('Save'));
        $node = node_load($nid, NULL, TRUE);
        $this->assertTrue(empty($node->{$field_name}[LANGUAGE_NONE][0]['fid']), 'File was successfully removed from the node.');
    }
}