circolog/hub_test.go

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2018-11-05 16:04:10 +01:00
package circolog
import (
"testing"
"gopkg.in/mcuadros/go-syslog.v2/format"
)
func msg(s string) format.LogParts {
return format.LogParts{"text": s}
}
func hubCount(h Hub) int {
cl := Client{Nofollow: true}
cl.Messages = make(chan format.LogParts)
h.Register <- cl
cnt := 0
for range cl.Messages {
cnt++
}
return cnt
}
func hubToArray(h Hub) []string {
r := make([]string, 0)
cl := Client{Nofollow: true}
cl.Messages = make(chan format.LogParts)
h.Register <- cl
for m := range cl.Messages {
r = append(r, m["text"].(string))
}
return r
}
func TestSingle(t *testing.T) {
h := NewHub(5)
go h.Run()
h.LogMessages <- msg("hi")
if hubCount(h) != 1 {
t.Error("wrong message number")
}
}
func TestMany(t *testing.T) {
h := NewHub(5)
go h.Run()
for i := 0; i < 10; i++ {
h.LogMessages <- msg("hi")
}
if hubCount(h) != 5 {
t.Error("wrong message number")
}
}
func TestOrder(t *testing.T) {
h := NewHub(5)
go h.Run()
h.LogMessages <- msg("one")
h.LogMessages <- msg("two")
r := hubToArray(h)
if r[0] != "one" {
t.Error("wrong first message", r[0])
}
if r[1] != "two" {
t.Error("wrong last message", r[1])
}
}