public function testRender()
{
$element = new Select();
$this->assertEquals("<select>\n</select>", $element->render());
$element->setAttribute('id', 'test');
$this->assertEquals("<select id=\"test\">\n</select>", $element->render());
$element->setAttribute('class', 'red');
$this->assertEquals("<select id=\"test\" class=\"red\">\n</select>", $element->render());
$element->setOption('values', [10 => 'foo', 20 => 'bar']);
$this->assertEquals("<select id=\"test\" class=\"red\">\n<option value=\"10\">foo</option>\n<option value=\"20\">bar</option>\n</select>", $element->render());
$element = new Select('category');
$element->setOption('valueColumn', 'id');
$collection = new Collection();
$el1 = new DummyModel();
$el1->id = 100;
$el1->title = 'test100';
$collection->append($el1);
$el2 = new DummyModel();
$el2->id = 200;
$el2->title = 'test200';
$collection->append($el2);
$element->setOption('values', $collection);
$this->assertEquals("<select name=\"category\">\n<option value=\"100\">test100</option>\n<option value=\"200\">test200</option>\n</select>", $element->render());
$element->setAttribute('id', 'test');
$this->assertEquals("<select name=\"category\" id=\"test\">\n<option value=\"100\">test100</option>\n<option value=\"200\">test200</option>\n</select>", $element->render());
$element->setOption('null', true);
$this->assertEquals("<select name=\"category\" id=\"test\">\n<option value=\"0\">----</option>\n<option value=\"100\">test100</option>\n<option value=\"200\">test200</option>\n</select>", $element->render());
$element->setSelected(200);
$this->assertEquals("<select name=\"category\" id=\"test\">\n<option value=\"0\">----</option>\n<option value=\"100\">test100</option>\n<option value=\"200\" selected=\"selected\">test200</option>\n</select>", $element->render());
}
