public void GroupingOnDoubleKeyWorks()
{
var source = new List <IDictionary <string, object> >
{
new Dictionary <string, object> {
{ "Id", 1 }, { "Type", "A" }, { "Size", 1 }
},
new Dictionary <string, object> {
{ "Id", 1 }, { "Type", "A" }, { "Size", 2 }
},
new Dictionary <string, object> {
{ "Id", 1 }, { "Type", "B" }, { "Size", 3 }
},
new Dictionary <string, object> {
{ "Id", 1 }, { "Type", "B" }, { "Size", 4 }
},
new Dictionary <string, object> {
{ "Id", 2 }, { "Type", "A" }, { "Size", 5 }
},
new Dictionary <string, object> {
{ "Id", 2 }, { "Type", "A" }, { "Size", 6 }
},
new Dictionary <string, object> {
{ "Id", 2 }, { "Type", "B" }, { "Size", 7 }
},
new Dictionary <string, object> {
{ "Id", 2 }, { "Type", "B" }, { "Size", 8 }
},
};
var target = new GroupingHandler("Id", "Type");
var actual = target.Group(source).ToList();
Assert.AreEqual(4, actual.Count);
}
private Dictionary <PSMElement, List <EvolutionChange> > GroupChanges(GroupingHandler groupBy)
{
IEnumerable <IGrouping <PSMElement, EvolutionChange> > grouped;
if (groupBy != null)
{
grouped = this.GroupBy(change => groupBy(change));
}
else
{
grouped = this.GroupBy(change => change.Element);
}
Dictionary <PSMElement, List <EvolutionChange> > result = new Dictionary <PSMElement, List <EvolutionChange> >();
foreach (IGrouping <PSMElement, EvolutionChange> grouping in grouped)
{
result[grouping.Key] = grouping.ToList();
}
return(result);
}