Tests general rewriting of the output.
public function testRewrite() {
$view = views_get_view('test_view');
$view
->initHandlers();
$this
->executeView($view);
$row = $view->result[0];
$id_field = $view->field['id'];
// Don't check the rewrite checkbox, so the text shouldn't appear.
$id_field->options['alter']['text'] = $random_text = $this
->randomName();
$output = $id_field
->theme($row);
$this
->assertNotSubString($output, $random_text);
$id_field->options['alter']['alter_text'] = TRUE;
$output = $id_field
->theme($row);
$this
->assertSubString($output, $random_text);
}