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Contributing to NStack

We welcome contributions from the community. See Issues for a list of open bugs and enhancements. Contributors looking for something fun to work on should look at issues tagged as:

Forking and Submitting Changes

NStack uses the GitFlow branching model.

  • The main branch is always stable, and always matches the most recently released Nuget package.
  • The develop branch is where new development and bug-fixes happen. It is the default branch.

Forking NStack

  1. Use GitHub to fork the NStack repo to your account (https://github.com/gui-cs/NStack/fork).

  2. Clone your fork to your local machine

git clone https://github.com/<yourID>/NStack

Now, your local repo will have an origin remote pointing to https://github.com/<yourID>/NStack.

  1. Add a remote for upstream:
git remote add upstream https://github.com/gui-cs/NStack

You now have your own fork and a local repo that references it as origin. Your local repo also now references the orignal NStack repo as upstream.

Starting to Make a Change

Ensure your local develop branch is up-to-date with upstream (github.com/gui-cs/NStack):

cd ./NStack
git checkout develop
git pull upstream develop

Create a new local branch:

git checkout -b my_new_branch

Making Changes

Follow all the guidelines below.

  • Coding Style
  • Unit Tests
  • Sample Code
  • API Documentation
  • etc...

When you're ready, commit your changes:

git add .
git commit -m "Fixes #1234. Some bug"

Submitting a Pull Request

  1. Push your local branch to your fork (origin):
git push --set-upstream origin my_new_branch
  1. Create the Pull Request:

In the output of the git push command you'll see instructions with a link to the Pull Request:

 $ git push --set-upstream origin my_new_branch
Enumerating objects: 8, done.
...
remote:
remote: Create a pull request for 'my_new_branch' on GitHub by visiting:
remote:      https://github.com/<yourID>/NStack/pull/new/more_doc_fixes
remote:
...
  1. Go to that URL and create the Pull Request:

(in Windows Terminal, just CTRL-Click on the URL)

Follow the template instructions found on Github.

NStack Coding Style

NStack follows the Mono Coding Guidelines. /.editorconfig enforces this style in Visual Studio. Use Ctrl-K-D in Visual Studio to have it reformat code.

User Experience Tenets

NStack, as a UI framework, heavily influences how console graphical user interfaces (GUIs) work. We use the following tenets to guide us:

NOTE: Like all tenets, these are up for debate. If you disagree, have questions, or suggestions about these tenets and guidelines submit an Issue using the design tag.

  1. Honor What's Come Before. The Mac and Windows OS's have well-established GUI idioms that are mostly consistent. We adhere to these versus inventing new ways for users to do things. For example, NStack adopts the ctrl/command-c, ctrl/command-v, and ctrl/command-x keyboard shortcuts for cut, copy, and paste versus defining new shortcuts.
  2. Consistency Matters. Common UI idioms should be consistent across the GUI framework. For example, ctrl/command-q quits/exits all modal views. See Issue #456 as a counter-example that should be fixed.
  3. Honor the OS, but Work Everywhere. NStack is cross-platform, but we support taking advantage of a platform's unique advantages. For example, the Windows Console API is richer than the Unix API in terms of keyboard handling. Thus, in Windows pressing the alt key in a NStack app will activate the MenuBar, but in Unix, the user has to press the full hotkey (e.g. alt-f) or F9.
  4. Keyboard first, Mouse also. Users use consoles primarily with the keyboard; NStack is optimized for getting stuff done without using the Mouse. However, as a GUI framework, the Mouse is essential thus we strive to ensure that everything also works via the Mouse.

Public API Tenets & Guidelines

NStack provides an API that is used by many. As the project evolves, contributors should follow these tenets to ensure Consistency and backward compatibility.

NOTE: Like all tenets, these are up for debate. If you disagree, have questions, or suggestions about these tenets and guidelines submit an Issue using the design tag.

  1. Stand on the shoulders of giants. Follow the Microsoft .NET Framework Design Guidelines where appropriate.
  2. Don't Break Existing Stuff. Avoid breaking changes to user behavior or the public API; instead, figure out how to implement new functionality in a similar way. If a breaking change can't be avoided, follow the guidelines below.
  3. Fail-fast. Fail-fast makes bugs and failures appear sooner, leading to a higher-quality framework and API.
  4. Standards Reduce Complexity. We strive to adopt standard API idoms because doing so reduces complexity for users of the API. For example, see Tenet #1 above. A counterexample is Issue #447.

Include API Documentation

Great care has been provided thus far in ensuring NStack has great API Documentation. Contributors have the responsibility of continuously improving the API Documentation.

  • All public APIs must have clear, concise, and complete documentation in the form of XML Documentation.
  • Keep the <summary></summary> terse.
  • Use <see cref=""/> liberally to cross-link topics.
  • Use <remarks></remarks> to add more context and explanation.
  • For complex topics, provide conceptual documentation in the docfx/articles folder as a .md file. It will automatically get picked up and be added to Conceptual Documentation.
  • Use proper English and good grammar.

Breaking Changes to User Behavior or the Public API

  • Tag all pull requests that cause breaking changes to user behavior or the public API with the breaking-change tag. This will help project maintainers track and document these.
  • Add a <remark></remark> to the XML Documentation to the code describing the breaking change. These will get picked up in the API Documentation.

Unit Tests

PRs should never cause code coverage to go down. Ideally, every PR will get the project closer to 100%. PRs that include new functionality (e.g. a new control) should have at least 70% code coverage for the new functionality.

NStack has an automated unit or regression test suite. See the Testing wiki.

We analyze unit tests and code coverage on each PR push.

The code coverage of the latest released build (on NuGet) is shown as a badge at the top of README.md. Here as well:

Code Coverage

The project uses Fine Code Coverage to allow easy access to code coverage info on a per-component basis.

Use the following command to generate the same CC info that the Publish Github Action uses to publish the results to the badge:

dotnet test --no-restore --verbosity normal --collect:"XPlat Code Coverage"  --settings UnitTests/coverlet.runsettings

Then open up the resulting coverage.opencover.xml file and you'll see the sequenceCoverage value:

<?xml version="1.0" encoding="utf-8"?>
<CoverageSession>
  <Summary numSequencePoints="15817" visitedSequencePoints="7249" numBranchPoints="9379" visitedBranchPoints="3640" sequenceCoverage="45.83" branchCoverage="38.81" maxCyclomaticComplexity="10276" minCyclomaticComplexity="10276" visitedClasses="105" numClasses="141" visitedMethods="965" numMethods="1751" />