func TestUpdatePosts(t *testing.T) {
mon := &Monitor{
op: operator.NewMock(`{
"data": {
"children": [
{"data":{"name":"4"}},
{"data":{"name":"3"}},
{"data":{"name":"2"}},
{"data":{"name":"1"}}
]
}
}`),
NewPosts: make(chan *redditproto.Link),
tip: list.New(),
}
mon.tip.PushFront("")
go func() {
for true {
<-mon.NewPosts
}
}()
count, err := mon.updatePosts()
if err != nil {
t.Fatal("error: %v", err)
}
if count != 4 {
t.Errorf("got %d posts, wanted 4 posts", count)
}
}
func TestFixTip(t *testing.T) {
mon := &Monitor{
op: operator.NewMock(`{
"data": {
"children": [
{"data":{"name":"1"}},
{"data":{"name":"2"}},
{"data":{"name":"3"}},
{"data":{"name":"4"}}
]
}
}`),
tip: list.New(),
}
mon.tip.PushFront("1")
mon.tip.PushFront("0")
broken, err := mon.fixTip()
if err != nil {
t.Fatalf("error: %v", err)
}
if mon.tip.Front().Value.(string) != "1" {
t.Errorf(
"wanted '1'; got %s",
mon.tip.Front().Value.(string))
}
if !broken {
t.Errorf("wanted fixTip to indicate broken; 0 was gone")
}
mon.tip = list.New()
mon.tip.PushFront("mark")
mon.tip.PushFront("internet")
_, err = mon.fixTip()
if err != nil {
t.Fatalf("error: %v", err)
}
if mon.tip.Front().Value.(string) != "" {
t.Errorf(
"wanted ''; got %s",
mon.tip.Front().Value.(string))
}
mon.tip = list.New()
mon.tip.PushFront("1")
broken, err = mon.fixTip()
if err != nil {
t.Fatalf("error: %v", err)
}
if broken {
t.Errorf("wanted broken to be false; '1' was valid tip")
}
}
func TestCheckOnTip(t *testing.T) {
mon := &Monitor{
op: operator.NewMock(`{
"data": {
"children": [
{"data":{"name":"4"}},
{"data":{"name":"3"}},
{"data":{"name":"2"}},
{"data":{"name":"1"}}
]
}
}`),
tip: list.New(),
}
mon.tip.PushFront("4")
if err := mon.checkOnTip(1); err != nil {
t.Fatalf("error: %v\n", err)
}
if mon.blanks != 0 {
t.Errorf("unwanted blank count increment; got %d", mon.blanks)
}
oldTolerance := mon.blankRoundTolerance
mon.blanks = mon.blankRoundTolerance
if err := mon.checkOnTip(0); err != nil {
t.Fatalf("error: %v\n", err)
}
if mon.blanks != 0 {
t.Errorf("got blank round count %d; wanted 0", mon.blanks)
}
if mon.blankRoundTolerance <= oldTolerance {
t.Errorf(
"got %d tolerance; wanted > %d",
mon.blankRoundTolerance,
oldTolerance)
}
}
func TestTip(t *testing.T) {
mon := &Monitor{
op: operator.NewMock(`{
"data": {
"children": [
{"data":{"name":"4"}},
{"data":{"name":"3"}},
{"data":{"name":"2"}},
{"data":{"name":"1"}}
]
}
}`),
tip: list.New(),
}
mon.tip.PushFront("shouldnotbeatback")
for i := 0; i < maxTipSize-1; i++ {
mon.tip.PushFront("bunk")
}
posts, err := mon.fetchTip()
if err != nil {
t.Fatalf("error: %v", err)
}
if mon.tip.Back().Value.(string) == "shouldnotbeatback" {
t.Errorf("tips were not truncated at capacity")
}
if mon.tip.Front().Value.(string) != "4" {
t.Errorf(
"wanted front tip '4'; got %s",
mon.tip.Front().Value.(string))
}
if len(posts) != 4 {
t.Errorf("wanted 4 incrementally named posts; got %v", posts)
}
}