package main
import "testing"
+import "runtime"
+import "strconv"
import "time"
func TestMessageInsertAndRetreive(t *testing.T) {
- say := ""
+ say := "'Ello, Mister Polly Parrot!"
at := time.Now()
var zero_time time.Time
store := start_store()
- store.Add <- Message{at, say}
+ store.Add <- &Message{at, say}
messages_from_store := make(chan []Message, 1)
- store.Get <- StoreRequest{zero_time, messages_from_store}
+ store.Get <- &StoreRequest{zero_time, messages_from_store}
messages := <-messages_from_store
if len(messages) != 1 {
+ t.FailNow()
+ }
+ if messages[0].Time != at {
+ t.Fail()
+ }
+ if messages[0].Text != say {
t.Fail()
}
+ close(store.Get)
+ close(store.Add)
+}
+
+func TestFetchBlocksUntilSpeak(t *testing.T) {
+ start_fetch_wait_count := fetch_wait_count.String()
+ say := "I've got a lovely fresh cuttle fish for you"
+ at := time.Now()
+ var zero_time time.Time
+ store := start_store()
+ messages_from_store := make(chan []Message, 1)
+ store.Get <- &StoreRequest{zero_time, messages_from_store}
+ for start_fetch_wait_count == fetch_wait_count.String() {
+ runtime.Gosched()
+ }
+ store.Add <- &Message{at, say}
+ messages := <-messages_from_store
+ if len(messages) != 1 {
+ t.FailNow()
+ }
if messages[0].Time != at {
t.Fail()
}
if messages[0].Text != say {
t.Fail()
}
+ close(store.Get)
+ close(store.Add)
+}
+
+func TestMultipleListeners(t *testing.T) {
+ say := "This is your nine o'clock alarm call!"
+ at := time.Now()
+ var zero_time time.Time
+ store := start_store()
+ const num_clients = 13
+ var messages_from_store [num_clients]chan []Message
+ for i := 0; i < num_clients; i++ {
+ messages_from_store[i] = make(chan []Message, 1)
+ store.Get <- &StoreRequest{zero_time, messages_from_store[i]}
+ }
+ store.Add <- &Message{at, say}
+ for i := 0; i < num_clients; i++ {
+ messages := <-messages_from_store[i]
+ if len(messages) != 1 {
+ t.FailNow()
+ }
+ if messages[0].Time != at {
+ t.Fail()
+ }
+ if messages[0].Text != say {
+ t.Fail()
+ }
+ }
+ close(store.Get)
+ close(store.Add)
+}
+
+func parseDuration(s string) time.Duration {
+ d, err := time.ParseDuration(s)
+ if err != nil {
+ panic(err)
+ }
+ return d
+}
+
+func atoi(s string) int {
+ i, err := strconv.Atoi(s)
+ if err != nil {
+ panic(err)
+ }
+ return i
+}
+
+func TestPartialRetreive(t *testing.T) {
+ start_speak_count := atoi(speak_count.String())
+ say1 := "No, no.....No, 'e's stunned!"
+ say2 := "You stunned him, just as he was wakin' up!"
+ say3 := "Norwegian Blues stun easily, major."
+ base := time.Now()
+ at1 := base.Add(parseDuration("-4m"))
+ since := base.Add(parseDuration("-3m"))
+ at2 := base.Add(parseDuration("-2m"))
+ at3 := base.Add(parseDuration("-1m"))
+ store := start_store()
+ store.Add <- &Message{at1, say1}
+ store.Add <- &Message{at2, say2}
+ store.Add <- &Message{at3, say3}
+ for atoi(speak_count.String()) != start_speak_count+3 {
+ runtime.Gosched()
+ }
+ messages_from_store := make(chan []Message, 1)
+ store.Get <- &StoreRequest{since, messages_from_store}
+ messages := <-messages_from_store
+ if len(messages) != 2 {
+ t.FailNow()
+ }
+ if messages[0].Time != at2 {
+ t.Fail()
+ }
+ if messages[0].Text != say2 {
+ t.Fail()
+ }
+ if messages[1].Time != at3 {
+ t.Fail()
+ }
+ if messages[1].Text != say3 {
+ t.Fail()
+ }
+ close(store.Get)
+ close(store.Add)
}