I've been really interested in this problem for a while now, and your 
assumption is correct that it's definitely possible. We've been working on 
solving this at Assertible <https://assertible.com>, and a couple of the 
harder parts we've hit are:

Route parameters and other variables. Required "setup" for PUT/DELETE/etc 
requests. Setting up auth. In a lot of cases there just *has* to be some 
additional configuration.

That said, we've built what I this is a very good starting point to 
automatically generate a test suite from a Swagger spec.

We put together a post on Testing an API using Swagger 
<https://assertible.com/blog/testing-an-api-using-swagger>.

Basically, when you import a Swagger spec, a test is generated for each 
unique endpoint/method combination (like *GET* /users and *POST* /users). 
Route parameters are automatically filled in as "*variables*" and auth is 
stubbed out from the "*securityDefinitions*" found in the swagger spec. The 
actual tests/validations are done by creating "*assertions*" that are 
created for the expected status code response.

For example, importing the Twitter Swagger spec would give you something 
like this:

<https://lh3.googleusercontent.com/-oIsCAXZYBAw/WRD6ZB5aRII/AAAAAAAAAU8/WwTJhE9fsuESsNPdWjhaz3Bl7UI5zq0kQCLcB/s1600/assertible-twitter-swagger-import.png>
What are your (or anyone elses) thoughts on this approach? We've got a lot 
of plans/ideas for how we can dynamically generate even more tests and 
assertions from a Swagger spec. The idea is that, you simply have to import 
your spec once, and you're set up with automated tests, monitoring, failure 
alerts, etc, right out of the box.

Let me know what you think - I'm really interested in others people's 
thoughts about testing from a spec!

- Cody Reichert
[email protected]
https://assertible.com

On Friday, August 16, 2013 at 6:38:35 AM UTC-5, chrokh wrote:
>
> I'm new to Swagger but I believe I'm getting a clearer picture of the 
> eco-system, and it looks fantastic.
>
> However, I'm wondering whether there's a module that allows me to run 
> automated tests against my actual API to see whether it conforms with my 
> Swagger spec. *Without* server integration.
>
> Assuming you have a Swagger spec-file and a running API it sounds 
> reasonable to me that this should be possible? Basically, black-box 
> testing. Is there something like this?
>
> Thanks in advance!
>

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