78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package socket
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import (
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"testing"
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"time"
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)
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func TestBuffer(t *testing.T) {
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afterChan := make(chan time.Time)
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ch := make(chan *Message)
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go func() {
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ch <- &Message{Kind: "err", Body: "a"}
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ch <- &Message{Kind: "err", Body: "b"}
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ch <- &Message{Kind: "out", Body: "1"}
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ch <- &Message{Kind: "out", Body: "2"}
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afterChan <- time.Time{} // value itself doesn't matter
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ch <- &Message{Kind: "out", Body: "3"}
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ch <- &Message{Kind: "out", Body: "4"}
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close(ch)
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}()
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var ms []*Message
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timeAfter := func(d time.Duration) <-chan time.Time {
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return afterChan
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}
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for m := range buffer(ch, timeAfter) {
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ms = append(ms, m)
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}
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if len(ms) != 3 {
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t.Fatalf("got %v messages, want 3", len(ms))
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}
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if g, w := ms[0].Body, "ab"; g != w {
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t.Errorf("message 0 body = %q, want %q", g, w)
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}
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if g, w := ms[1].Body, "12"; g != w {
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t.Errorf("message 1 body = %q, want %q", g, w)
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}
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if g, w := ms[2].Body, "34"; g != w {
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t.Errorf("message 2 body = %q, want %q", g, w)
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}
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}
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type killRecorder chan struct{}
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func (k killRecorder) Kill() { close(k) }
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func TestLimiter(t *testing.T) {
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ch := make(chan *Message)
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go func() {
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var m Message
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for i := 0; i < msgLimit+10; i++ {
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ch <- &m
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}
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ch <- &Message{Kind: "end"}
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}()
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kr := make(killRecorder)
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n := 0
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for m := range limiter(ch, kr) {
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n++
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if n > msgLimit && m.Kind != "end" {
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t.Errorf("received non-end message after limit")
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}
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}
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if n != msgLimit+1 {
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t.Errorf("received %v messages, want %v", n, msgLimit+1)
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}
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select {
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case <-kr:
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case <-time.After(100 * time.Millisecond):
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t.Errorf("process wasn't killed after reaching limit")
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}
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}
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