public void ParentsShareAParent_OnlyVisitGrandParentOnce()
{
var grandParent = Fakes.Commit();
var grandParents = new List <Commit>()
{
grandParent.Object
};
var commit = Fakes.Commit()
.WithParents(new List <Commit>()
{
Fakes.Commit().WithParents(grandParents).Object,
Fakes.Commit().WithParents(grandParents).Object
});
var visitor = new CommitVisitor();
var visitedCount = 0;
var grandParentVisitedCount = 0;
visitor.Visited += (sender, visited) => {
visitedCount++;
if (visited.Sha == grandParent.Object.Sha)
{
grandParentVisitedCount++;
}
};
visitor.Walk(commit.Object);
Assert.Equal(4, visitedCount);
Assert.Equal(1, grandParentVisitedCount);
}
public void CanCallWalkMultipleTimes()
{
var grandParent = Fakes.Commit();
var grandParents = new List <Commit>()
{
grandParent.Object
};
var commit = Fakes.Commit()
.WithParents(new List <Commit>()
{
Fakes.Commit().WithParents(grandParents).Object,
Fakes.Commit().WithParents(grandParents).Object
});
var visitor = new CommitVisitor();
var visitedCount = 0;
var grandParentVisitedCount = 0;
visitor.Visited += (sender, visited) => {
visitedCount++;
if (visited.Sha == grandParent.Object.Sha)
{
grandParentVisitedCount++;
}
};
visitor.Walk(commit.Object);
visitor.Walk(commit.Object);
Assert.Equal(8, visitedCount);
Assert.Equal(2, grandParentVisitedCount);
}
public void NoParents_OnlyVisitsCurrentCommit()
{
var commit = Fakes.Commit();
var visitor = new CommitVisitor();
var visitedCount = 0;
visitor.Visited += (sender, visited) => visitedCount++;
visitor.Walk(commit.Object);
Assert.Equal(1, visitedCount);
}
public void OneParent_VisitsCurrentCommitAndParent()
{
var commit = Fakes.Commit()
.WithParents(new List <Commit>()
{
Fakes.Commit().Object
});
var visitor = new CommitVisitor();
var visitedCount = 0;
visitor.Visited += (sender, visited) => visitedCount++;
visitor.Walk(commit.Object);
Assert.Equal(2, visitedCount);
}
