public void CreateSelection()
{
selection = new TestSelection();
selection.Add(MakeTestNode("1", "Tom", "Passed"));
selection.Add(MakeTestNode("2", "Dick", "Failed"));
selection.Add(MakeTestNode("3", "Harry", "Passed"));
}
private void Accumulate(TestSelection selection, TestNode testNode, TestNodePredicate predicate)
{
if (predicate(testNode))
selection.Add(testNode);
else if (testNode.IsSuite)
foreach (TestNode child in testNode.Children)
Accumulate(selection, child, predicate);
}
public TestSelection Select(TestNodePredicate predicate, Comparison<TestNode> comparer)
{
var selection = new TestSelection();
Accumulate(selection, this, predicate);
if (comparer != null)
selection.Sort(comparer);
return selection;
}
public IDictionary <string, TestSelection> GroupBy(GroupingFunction groupingFunction)
{
var groups = new Dictionary <string, TestSelection>();
foreach (TestNode testNode in this)
{
var groupName = groupingFunction(testNode);
TestSelection group = null;
if (!groups.ContainsKey(groupName))
{
group = new TestSelection();
groups[groupName] = group;
}
else
{
group = groups[groupName];
}
group.Add(testNode);
}
return(groups);
}