any idea on how to test gRPC API automaticly?

[Daniel Mal]

any idea on how to test gRPC API automaticly?

[Nathaniel Manista]

On Sun, May 10, 2015 at 11:35 PM, Daniel Mal <daniel...@gmail.com> wrote:

any idea on how to test gRPC API automaticly?

This is a large topic and your question is only a very few words. Please elaborate on what you might have in mind?

-Nathaniel

[Daniel Mal]

i mean, is it possible to define the expected result of the given parameters, and to generate the test code automatically.

在 2015年5月15日星期五 UTC+8上午1:10:03，Nathaniel Manista写道：

[Wolfgang Grieskamp]

There are multiple ways how one could do automatic or assisted automatic testing of rpcs:

• Use pairwise testing to generate input messages to test one call at a time. This technique can generate relevant test inputs from large input spaces A set of tools is listed e.g. here.  
• Use random testing, e.g. in the style of the QuickCheck tool. This can generate tests for sequences of rpcs.
• Use model-based testing, which generates tests for sequences of RPCs based on a specification/model.
• Use concolic testing, which tests an implementation based on discovering execution paths through your program.

For a research-oriented recent overview on automatic test generation, check out this article.

I don't know about anybody applying those techniques specifically for rpc/proto testing, so I think there are plenty of opportunities for someone who wants to make a dent ;-) Specifically, something like pairwise testing are relative low hanging fruits. In the future, Google may come out with some mechanism to attach "contracts" (validation constraints) to protos, which would aid most of those techniques.

-- 

Wolfgang

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[Daniel Mal]

I imagine some DSL like this :

package proto;

// geoip service definition

service GeoIP {

  rpc QueryCountry (Request) returns (CountryResult)

}

test GeoIP{
   QueryCountry(Request{"106.187.xxx.xxx"}) expect (CountryResult{"JP"})

}

在 2015年5月15日星期五 UTC+8下午11:04:27，Wolfgang Grieskamp写道：