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Contributing to Valit

Do you have great ideas which will make Valit even better? That's awesome! Feel free to create issues or pull request here on GitHub!

The purpose of this text is to help you start working with the source code without any trouble. Simply, follow the steps below and... have fun :)

Clone the repository

In order to start working with Valit, you need to clone the repository from GitHub using the following command:

git clone

Create new branch

After you're done make sure you are one the develop branch:

git checkout develop

Then you can create your own branch for new feature, bug fix or whatever you want. We use very simple naming convention for naming branches:


However, if there's no issue related to your feature you can put the short description instead using snake case like in the example below:


Having a proper name for your branch, create it directly from the develop:

git checkout -b <name_of_your_branch>

Creating unit tests

We do our best to make Valit a reliable library. That's why we pay attention to unit tests for each new functionality. You can find them inside tests folder. Select a subfolder which should contain new unit tests or create new if none of them suits new functionality. The name of each unit test should follow the convention:


Here's an example:


Try to avaoid multiple Assert inside single unit tests.

When you're done make sure all tests passess. Navigate to the Valit.Tests project and run the following command:

dotnet test

You can also run the following command for continuous testing:

dotnet watch test // this will compile the project and rerun the tests on every file change

Alternatively, you can use our Cake script which is placed in the root folder. Navigate there and run:

./ //on Unix
./build.ps1 //on Windows

Creating a pull request

When the code is stable, you can submit your changes by creating a pull request. First, push your branch to origin:

git push origin <name_of_your_branch>

Then go to the GitHub -> Pull Request -> New Pull Request. Select develop as base and your branch as compare. We provide default template for PR description:


Make sure:

  • PR title is short and concludes work you've done
  • GitHub issue number and link is inluded in the description
  • You described changes to the codebase

When it's done, simply create your pull request. We use AppVeyor as CI system and Codecov as code coverage analyzer. After you push your chnges these two tools will take a look at your code. First, the AppVeyor will check whether project builds and all unit tests passess. Then Codecov bot will post a short report which will present code coverage after your changes:


Each PR must fulfill certain conditions before it can be merged:

  • The build must succeed on AppVeyor
  • Code coverage can't be discreassed by the PR
  • One of the owners must approve your changes

If some of the above won't be fulfilled (due to change request or some mistake) simply fix it locally on your machine, create new commit and push it to origin. This will update the exisitng PR and will kick off all checks again.

If everything will be fine, your changes will be merged into develop, branch will be deleted and related issue will be closed.