public void WhenCommitIsVisited_DiffWithItsParentIsStored()
{
//arrange
var treeChangeA = new Mock <TreeEntryChanges>();
treeChangeA.Setup(t => t.Path).Returns("a");
var treeChangeB = new Mock <TreeEntryChanges>();
treeChangeB.Setup(t => t.Path).Returns("b");
var treeEntryChanges = new List <TreeEntryChanges>()
{
treeChangeA.Object,
treeChangeB.Object
};
var expected = Fakes.TreeChanges(treeEntryChanges);
var diff = new Mock <Diff>();
diff.Setup(d => d.Compare <TreeChanges>(It.IsAny <Tree>(), It.IsAny <Tree>()))
.Returns(expected.Object);
var repo = new Mock <IRepository>();
repo.Setup(r => r.Diff)
.Returns(diff.Object);
var commit = Fakes.Commit().WithParents().Object;
//act
var listener = new DiffListener(repo.Object);
listener.OnCommitVisited(new CommitVisitor(), commit);
var actual = listener.Diffs
.Select(d => d.Diff)
.OrderBy(change => change.Path)
.ToList();
//assert
Assert.Equal(treeEntryChanges, actual);
Assert.Equal(commit, listener.Diffs.Select(d => d.Commit).First());
}
