internal void NextSelectionWontGoInfinitely(List <string> resources, IResourceSelector <string> resourceSelector)
{
Assert.Equal(resources.Distinct().Count(), resources.Count);
resources.Sort();
List <string> selected = resourceSelector.NextSelection(int.MaxValue, new List <string>());
Assert.Equal(resources.Count, selected.Count);
selected = selected.Distinct().ToList();
selected.Sort();
Assert.Equal(resources.Count, selected.Count);
for (int i = 0; i < selected.Count; i++)
{
Assert.Equal(resources[i], selected[i]);
}
}
internal void NextSelectionWontReSelectExistingSelections(List <string> resources, IResourceSelector <string> resourceSelector)
{
Assert.Equal(resources.Distinct().Count(), resources.Count);
for (int selectCount = 0; selectCount < resources.Count; selectCount++)
{
for (int excludeCount = 0; excludeCount < resources.Count; excludeCount++)
{
List <string> excluded = resourceSelector.NextSelection(excludeCount, new List <string>());
Assert.Equal(excludeCount, excluded.Count);
excluded = excluded.Distinct().ToList();
Assert.Equal(excludeCount, excluded.Count);
List <string> selected = resourceSelector.NextSelection(selectCount, excluded);
int expectedCount = Math.Min(selectCount, resources.Count - excludeCount);
Assert.Equal(expectedCount, selected.Count);
selected = selected.Distinct().ToList();
Assert.Equal(expectedCount, selected.Count);
for (int i = 0; i < selected.Count; i++)
{
Assert.DoesNotContain(selected[i], excluded);
}
}
}
}
internal void NextSelectionWillGoThroughEveryResourceIfExistingSelectionEmpty(List <string> resources, IResourceSelector <string> resourceSelector)
{
Assert.Equal(resources.Distinct().Count(), resources.Count);
resources.Sort();
List <string> selected = resourceSelector.NextSelection(resources.Count, new List <string>());
Assert.Equal(resources.Count, selected.Count);
selected = selected.Distinct().ToList();
selected.Sort();
Assert.Equal(resources.Count, selected.Count);
for (int i = 0; i < selected.Count; i++)
{
Assert.Equal(resources[i], selected[i]);
}
}
