/**
* Compare two stack template models.
*
* @param Template $templateA First template model to compare.
* @param Template $templateB Second template model to compare.
* @return string Rendered unified diff of the changes between the first
* and second template models.
*/
public function compareTemplate(Template $templateA, Template $templateB)
{
// The difference engine expects an array of strings, so get the
// template bodies as JSON and explode in to separate lines.
$diff = new Diff(explode("\n", $templateA->getBodyJSON()), explode("\n", $templateB->getBodyJSON()), []);
return $diff->render(new Diff_Renderer_Text_Unified());
}
public function testIsNotIdenticalBody()
{
$name = 'foo';
$bodyA = new stdClass();
$bodyA->foo = 'bar';
$bodyB = new stdClass();
$bodyB->baz = 'qux';
$templateA = new Template($name, $bodyA);
$templateB = new Template($name, $bodyB);
$this->assertFalse($templateA->isIdentical($templateB));
}
/**
* Upload the template to S3 (squashing any sub-stack templates) and return
* the URL.
*
* @param Template $template Template to squash and upload.
* @return string URL of uploaded template.
*/
public function getSquashedTemplateURL(Template $template)
{
$body = clone $template->getBody();
$this->squashTemplate($body);
return $this->uploadTemplate($body);
}
public function isIdentical(self $template)
{
return $this->getName() === $template->getName() && $this->getBodyJSON() === $template->getBodyJSON();
}