public function testMixing()
{
$templateString = '{first}{$second}{$obj->third}';
$engine = new Engine();
$obj = new stdClass();
$obj->third = 'sentence.';
$string = $engine->render($templateString, ['first' => 'This ', 'second' => 'is a ', 'obj' => $obj]);
$this->assertEquals('This is a sentence.', $string);
}
public function testEmptyValuesNotRender()
{
$engine = new Engine();
$o = new \stdClass();
$o->nullValue = null;
$o->falseValue = false;
$o->emptyString = '';
$this->assertEquals('', $engine->render('{$this->nullValue}', $o));
$this->assertEquals('', $engine->render('{$this->falseValue}', $o));
$this->assertEquals('', $engine->render('{$this->emptyString}', $o));
$a = ['nullValue' => null, 'falseValue' => false, 'emptyString' => ''];
$this->assertEquals('', $engine->render('{$nullValue}', $a));
$this->assertEquals('', $engine->render('{$falseValue}', $a));
$this->assertEquals('', $engine->render('{$emptyString}', $a));
$a = ['{zNullValue}' => null, '{zFalseValue}' => false, '{zEmptyString}' => ''];
$this->assertEquals('', $engine->render('{zNullValue}', $a));
$this->assertEquals('', $engine->render('{zFalseValue}', $a));
$this->assertEquals('', $engine->render('{zEmptyString}', $a));
}