public function testDataMethods()
{
$data = ['key' => 'value'];
$this->assertEquals([], $this->theme->getData());
$this->theme->setData($data);
$this->assertEquals($data, $this->theme->getData());
$this->assertEquals($data['key'], $this->theme->getDataByKey('key'));
$this->assertEquals('default value', $this->theme->getDataByKey('unknown key', 'default value'));
$this->theme->setDataByKey('unknown key', 'unknown value');
$this->assertEquals('unknown value', $this->theme->getDataByKey('unknown key', 'default value'));
}
