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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package socket
import (
"testing"
"time"
)
func TestBuffer(t *testing.T) {
afterChan := make(chan time.Time)
ch := make(chan *Message)
go func() {
ch <- &Message{Kind: "err", Body: "a"}
ch <- &Message{Kind: "err", Body: "b"}
ch <- &Message{Kind: "out", Body: "1"}
ch <- &Message{Kind: "out", Body: "2"}
afterChan <- time.Time{} // value itself doesn't matter
ch <- &Message{Kind: "out", Body: "3"}
ch <- &Message{Kind: "out", Body: "4"}
close(ch)
}()
var ms []*Message
timeAfter := func(d time.Duration) <-chan time.Time {
return afterChan
}
for m := range buffer(ch, timeAfter) {
ms = append(ms, m)
}
if len(ms) != 3 {
t.Fatalf("got %v messages, want 3", len(ms))
}
if g, w := ms[0].Body, "ab"; g != w {
t.Errorf("message 0 body = %q, want %q", g, w)
}
if g, w := ms[1].Body, "12"; g != w {
t.Errorf("message 1 body = %q, want %q", g, w)
}
if g, w := ms[2].Body, "34"; g != w {
t.Errorf("message 2 body = %q, want %q", g, w)
}
}
type killRecorder chan struct{}
func (k killRecorder) Kill() { close(k) }
func TestLimiter(t *testing.T) {
ch := make(chan *Message)
go func() {
var m Message
for i := 0; i < msgLimit+10; i++ {
ch <- &m
}
ch <- &Message{Kind: "end"}
}()
kr := make(killRecorder)
n := 0
for m := range limiter(ch, kr) {
n++
if n > msgLimit && m.Kind != "end" {
t.Errorf("received non-end message after limit")
}
}
if n != msgLimit+1 {
t.Errorf("received %v messages, want %v", n, msgLimit+1)
}
<-kr
}
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