public void RepositoryBranch_Test_EmtyBranch_HasEmptyHistory()
{
var repository = new RepositoryBranch <string, string>();
Assert.That(repository.Head == null);
Assert.That(repository.GetHistory().Count() == 0, "Empty repository should have zero length history");
}
public void RepositoryBranch_Test_CommitOperation()
{
var repository = new RepositoryBranch <string, string>();
Assert.That(repository.Head == null);
var commit = repository.Commit(string.Empty, string.Empty);
Assert.That(repository.Head.Equals(commit), "Repo should poit to the last commit");
Assert.That(commit.Previous == null, "First commit should not have any parents");
var commit2 = repository.Commit("other", string.Empty);
Assert.That(repository.Head.Equals(commit2), "Repo should poit to the last commit");
Assert.That(commit2.Previous != null, "New commit should point to previous one");
Assert.That(commit2.Previous.Equals(commit), "New commit should point to previous one");
Assert.That(repository.GetHistory().Count() == 2, "Repository should contains exactly two commits at this point");
Assert.That(repository.GetHistory().First().Equals(commit2), "History should starts from last commit");
}
