Allure.Reqnroll: Culture changed

[joelvdberg]

Dear all,

We've successfully used Allure and Reqnroll to generate a report. Therefore, we wanted to use it in other project as well. Unfortunately, for one of our projects, we are hitting a hurdle.

Context

Both projects use C#, and Visual Studio or Rider (behavior is the same for both IDE's) and the NUnit framework with Reqnroll. (The same behavior is observed using MSTest.) In this configuration, the tests run fine.
The difference is that the project with the problem calls unmanaged C++ code (using DllImport attributes).
The problem we observed is that memory consumption increased tenfold. This ended up being a symptom rather than the real problem.
Note that the unmanaged dll is responsible for performing a calculation which' performance is influenced greatly by the input that is provided.

Problem

While creating the minimum working example for the performance problem, we found the real issue: running with or without Allure.Reqnroll makes the CurrentInfo.CurrentCulture different, so the Double values in the Table that was provided were interpreted differently, making the input much larger and thus increasing the computational load of the unmanaged dll.

Request

This might now be a question that's better suited for the Reqnroll project, but for me it was unexpected behavior when using Allure. Is there a way to control this behavior?

Kind regards,

Joël

[delatrie]

Hi, @joelvdberg

It's always tricky when marshaling gets involved. Could you please create a repo with an example that reproduces the problem?
Also, what are the OS and the framework?

[joelvdberg]

Hi @delatrie,

The OS is Windows, the framework is .NET 8.0 (TargetFramework net8.0-windows). I'll try to make a minimal example.

[joelvdberg]

Hey @delatrie , we seem to have found the real cultprit: culture. I've updated the opening post of this discussion accordingly.

[joelvdberg]

I've now solved it by using the BeforeScenario hook in Reqnroll: https://docs.reqnroll.net/latest/automation/hooks.html#id1.

[delatrie]

Do I understand correctly that if you remove Allure.Reqnroll from the project, the issue will still exist?