REST API testing

Frank Sommers

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Jul 4, 2015, 11:39:03 AM7/4/15

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Hello,

I'm wondering, what is the currently recommended way to write Scalatests for an existing REST-based API (where JSON messages are exchanged via HTTP)?

I need to write some tests to validate a service that someone else has written, and am looking for the most lightweight solution. I've used Dispatch before and, more recently, Spray Client for HTTP client development. I'm wondering if there are perhaps simper ways yet to develop client-side tests that exercise a REST API.

Thanks,

-- Frank

Saquib Gul

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Mar 10, 2017, 2:22:36 PM3/10/17

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Frank,

Any luck you got with this, I am working something similar these days. I am writing a framework to test API's which are written in Java, actually I need to prepare a regression suite.

Thanks,

Saquib Gul

Donald McLean

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Mar 10, 2017, 3:15:45 PM3/10/17

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I've been using the Apache Commons HTTP client classes. I know it's (GASP) plain-old-Java, but it really works quite well for communicating to a REST API.

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Jul 28, 2017, 12:22:28 PM7/28/17

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My team just built up some utility classes with Scalaj and use them in our specs to facilitate such testing.

Bill Venners

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Jul 28, 2017, 1:18:32 PM7/28/17

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Hi All,

Oddly enough, using scalaj is what I'm about to use. We have been
using Akka http until now on this project, but need to go through an
http proxy for one use case, and Akka http doesn't seem to support
that.

Bill

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Konrad Malawski

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Jul 30, 2017, 11:46:29 AM7/30/17

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Hi Bill,

do you mean for the client?

We have support for it since a few versions: http://doc.akka.io/docs/akka-http/current/scala/http/client-side/client-transport.html

Just letting you know, in case you'd be interested to give it a look.

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Cheers,
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On Sat, Jul 29, 2017 at 2:18 AM, Bill Venners <bi...@artima.com> wrote:

Hi All,

Oddly enough, using scalaj is what I'm about to use. We have been
using Akka http until now on this project, but need to go through an
http proxy for one use case, and Akka http doesn't seem to support
that.

Bill

On Fri, Jul 28, 2017 at 9:22 AM, <akbac...@gmail.com> wrote:
> My team just built up some utility classes with Scalaj and use them in our
> specs to facilitate such testing.
>
>
> On Saturday, July 4, 2015 at 10:39:03 AM UTC-5, fsommers wrote:
>>
>> Hello,
>>
>> I'm wondering, what is the currently recommended way to write Scalatests
>> for an existing REST-based API (where JSON messages are exchanged via HTTP)?
>>
>> I need to write some tests to validate a service that someone else has
>> written, and am looking for the most lightweight solution. I've used
>> Dispatch before and, more recently, Spray Client for HTTP client
>> development. I'm wondering if there are perhaps simper ways yet to develop
>> client-side tests that exercise a REST API.
>>
>> Thanks,
>>
>> -- Frank
>
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Bill Venners

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Jul 30, 2017, 12:46:42 PM7/30/17

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Hi Konrad,

My understanding was that Akka Http only supports https proxy, not
http proxy. The page you linked to mentioned Https proxy, but not Http
proxy. Is that the correct understanding?

Bill

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Konrad Malawski

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Jul 31, 2017, 10:59:06 AM7/31/17

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Hm, it seems our wording in the docs was rather sub-optimal on this one...

The people who most wanted this feature were asking for supporting HTTPS and it seems we ended up putting "HTTPS" everywhere in docs and method names as well... while it more correctly would be to say "HTTP(S)" everywhere.

Here's usage examples: https://github.com/akka/akka-http/blob/master/docs/src/test/scala/docs/http/scaladsl/HttpClientExampleSpec.scala#L343

And docs: http://doc.akka.io/docs/akka-http/current/scala/http/client-side/client-transport.html (which indeed overly stress the HTTPS aspect, will be fixed in next release).

So yes. we support plain HTTP proxying (and to HTTPS targets too).

What was missing until today was authentication, but I merged this today and if that's something you'd need that will be out next week (+/- a few days).

Hope this helps :)

--

Cheers,
Konrad 'ktoso’ Malawski
Akka @ Lightbend
java.pl / geecon.org / krakowscala.pl / lambrakrk.pl / gdgkrakow.pl

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Bill Venners

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Jul 31, 2017, 11:14:32 AM7/31/17

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Hi Konrad,

Yes, that helps a lot. And discovered just in time, as I hadn't yet
tried plugging in the scalaj stuff.

Thanks!

Bill

On Mon, Jul 31, 2017 at 7:58 AM, Konrad Malawski

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