public void CanReadTags(){
var githelper = new GitHelper { DirectoryName = dirname }.Connect();
githelper.WriteAndCommit("a", "b");
githelper.SetTag("a");
githelper.WriteAndCommit("c", "d");
githelper.SetTag("b");
githelper.WriteAndCommit("e", "f");
githelper.SetTag("c");
var tags = githelper.GetTags();
Assert.AreEqual(3,tags.Length);
CollectionAssert.AreEquivalent(tags.Select(_=>_.Name),new[]{"a","b","c"});
}
