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package iterator_test
import (
"testing"
"git.sr.ht/~rjarry/aerc/lib/iterator"
"git.sr.ht/~rjarry/aerc/worker/types"
)
func toThreads(uids []uint32) []*types.Thread {
threads := make([]*types.Thread, len(uids))
for i, u := range uids {
threads[i] = &types.Thread{Uid: u}
}
return threads
}
func TestIterator_DefaultFactory(t *testing.T) {
input := []uint32{1, 2, 3, 4, 5, 6, 7, 8, 9}
want := []uint32{9, 8, 7, 6, 5, 4, 3, 2, 1}
factory := iterator.NewFactory(false)
if factory == nil {
t.Errorf("could not create factory")
}
start, end := len(input)-1, 0
checkUids(t, factory, input, want, start, end)
checkThreads(t, factory, toThreads(input),
toThreads(want), start, end)
}
func TestIterator_ReverseFactory(t *testing.T) {
input := []uint32{1, 2, 3, 4, 5, 6, 7, 8, 9}
want := []uint32{1, 2, 3, 4, 5, 6, 7, 8, 9}
factory := iterator.NewFactory(true)
if factory == nil {
t.Errorf("could not create factory")
}
start, end := 0, len(input)-1
checkUids(t, factory, input, want, start, end)
checkThreads(t, factory, toThreads(input),
toThreads(want), start, end)
}
func checkUids(t *testing.T, factory iterator.Factory,
input []uint32, want []uint32, start, end int,
) {
label := "uids"
got := make([]uint32, 0)
iter := factory.NewIterator(input)
for iter.Next() {
got = append(got, iter.Value().(uint32))
}
if len(got) != len(want) {
t.Errorf(label + "number of elements not correct")
}
for i, u := range want {
if got[i] != u {
t.Errorf(label + "order not correct")
}
}
if iter.StartIndex() != start {
t.Errorf(label + "start index not correct")
}
if iter.EndIndex() != end {
t.Errorf(label + "end index not correct")
}
}
func checkThreads(t *testing.T, factory iterator.Factory,
input []*types.Thread, want []*types.Thread, start, end int,
) {
label := "threads"
got := make([]*types.Thread, 0)
iter := factory.NewIterator(input)
for iter.Next() {
got = append(got, iter.Value().(*types.Thread))
}
if len(got) != len(want) {
t.Errorf(label + "number of elements not correct")
}
for i, th := range want {
if got[i].Uid != th.Uid {
t.Errorf(label + "order not correct")
}
}
if iter.StartIndex() != start {
t.Errorf(label + "start index not correct")
}
if iter.EndIndex() != end {
t.Errorf(label + "end index not correct")
}
}
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