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Contributing to GitVersion

We love contributions to get started contributing you might need:

Once you know how to create a pull request and have an issue to work on, just post a comment saying you will work on it. If you end up not being able to complete the task, please post another comment so others can pick it up.

Issues are also welcome, failing tests are even more welcome.

Contribution Guidelines

  • Try to use feature branches rather than developing on master.
  • Please include tests covering the change.
  • The documentation is stored in the repository under the docs folder. Have a look at the documentation readme file for guidance on how to improve the documentation and please include documentation updates with your PR.

How it works

See how it works in GitVersion's documentation

Writing Tests

We have made it super easy to write tests in GitVersion. Most tests you are interested in are in GitVersionCore.Tests\IntegrationTests.

There is a scenario class for each type of branch. For example MasterScenarios, FeatureBranchScenarios etc.

1. Find Appropriate Scenario class

Find where your issue would logically sit. Or create a new scenario class if it doesn't fit anywhere in particular.

2. Create a test method

We are currently using NUnit, so just create a descriptive test method and attribute it with [Test]

3. Use a fixture

We have a few fixtures for different scenarios.

  • EmptyRepositoryFixture - Gives you an empty git repo to start with
  • RemoteRepositoryFixture - A local repo tracking a test remote repository. The remote repo is available through the Repository property, the local is accessible via LocalRepository
  • BaseGitFlowRepositoryFixture - A repo setup for GitFlow (has a develop branch checked out ready to go)

You can use a fixture by just using it. Like this

using (var fixture = new EmptyRepositoryFixture(new Config()))
{
}

4. Customise config

If you are using non-default configuration just modify the Config class before creating the fixture

5. Writing the scenario

We have a number of extension method off IRepository to make it easy to write tests at the flow level and not worry about creating/commiting files.

An example test looks like this:

fixture.Repository.MakeATaggedCommit("1.0.0");
fixture.Repository.CreateBranch("feature-test");
fixture.Repository.Checkout("feature-test");
fixture.Repository.MakeACommit();
fixture.Repository.MakeCommits(4);

fixture.AssertFullSemver("1.0.1-test.1+5");

The last line is the most important. AssertFullSemver will run GitVersion and assert that the full SemVer it calculates is what you expect.

6. Submit a pull request with the failing test

Even better include the fix, but a failing test is a great start