func TestFindMissingMessages(t *testing.T) {
RegisterTestingT(t)
overviews := []nntp.MessageOverview{}
missed := findMissingMessages(1, 10, overviews)
Expect(missed).To(HaveLen(10))
Expect(missed.Contains(types.MessageNumber(1))).To(BeTrue())
Expect(missed.Contains(types.MessageNumber(10))).To(BeTrue())
}
// Given a start and end message number find the
func findMissingMessages(begin, end int64, overviews []nntp.MessageOverview) types.MessageNumberSet {
fullset := types.NewMessageNumberSet()
messages := types.NewMessageNumberSet()
for _, o := range overviews {
messages.Add(types.MessageNumber(o.MessageNumber))
}
for i := begin; i <= end; i++ {
fullset.Add(types.MessageNumber(i))
}
missed := fullset.Difference(messages)
return missed
}