Files
Cyrene_v2/internal/services/channelbridge/readloop_test.go
T
AskaEth 093f38d986
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- 只翻注释/文档字符串:剥掉注释后代码行逐字节不变(机械校验只剩允许的行尾注释形态)
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2026-10-04 13:33:06 +08:00

129 lines
4.1 KiB
Go

package channelbridge
import (
"context"
"sync"
"testing"
"time"
"git.yeij.top/AskaEth/Cyrene_v2/internal/channel/adapter"
)
// deadSessionAdapter 模拟桥接器运行期间会话死掉的渠道
// ——目前就是 iLink 会话被拒(errcode=-14):Connect
// 报告成功,随后读取循环自行返回(没有任何东西取消它),
// 从那一刻起 IsConnected 报告 false。
type deadSessionAdapter struct {
name string
mu sync.Mutex
up bool
}
func (a *deadSessionAdapter) Name() string { return a.name }
func (a *deadSessionAdapter) Config() map[string]any { return map[string]any{"bot_token": "tok"} }
func (a *deadSessionAdapter) Connect(context.Context) error {
a.mu.Lock()
a.up = true
a.mu.Unlock()
return nil
}
func (a *deadSessionAdapter) Disconnect(context.Context) error {
a.mu.Lock()
a.up = false
a.mu.Unlock()
return nil
}
func (a *deadSessionAdapter) IsConnected() bool {
a.mu.Lock()
defer a.mu.Unlock()
return a.up
}
func (a *deadSessionAdapter) HealthCheck(context.Context) error { return adapter.ErrNotConnected }
func (a *deadSessionAdapter) ReadMessages(context.Context, func(adapter.UnifiedMessage)) {
// 会话已死:读取循环自行结束,没有任何取消参与其中。
a.mu.Lock()
a.up = false
a.mu.Unlock()
}
func (a *deadSessionAdapter) SendMessage(context.Context, adapter.UnifiedResponse) error {
return adapter.ErrNotConnected
}
func (a *deadSessionAdapter) SendProactive(context.Context, adapter.UnifiedMessage) error {
return adapter.ErrNotConnected
}
func (a *deadSessionAdapter) SetMessageHandler(adapter.MessageHandler) {}
func (a *deadSessionAdapter) Capabilities() adapter.Capabilities {
return adapter.DefaultCapabilities()
}
func (a *deadSessionAdapter) ListChannels(context.Context) ([]adapter.ChannelInfo, error) {
return nil, nil
}
// signaledAdapter 是一个 fakeAdapter,其读取循环在返回时发出信号,
// 使测试能确定性地等待被替换适配器的退出。
type signaledAdapter struct {
*fakeAdapter
exited chan struct{}
}
func (a *signaledAdapter) ReadMessages(ctx context.Context, _ func(adapter.UnifiedMessage)) {
<-ctx.Done()
close(a.exited)
}
// TestReadLoopExitClearsConnectedFlag 是针对「适配器已哑掉、桥接器
// 却仍声称它已连接」的回归测试:读取循环在会话中断、
// 无人取消的情况下结束,因此 IsConnected/ConnectedCount 必须停止
// 报告该渠道存活。
func TestReadLoopExitClearsConnectedFlag(t *testing.T) {
t.Parallel()
b := newReloadBridge(t, nil)
ad := &deadSessionAdapter{name: "weixin-ilink"}
b.Add(ad)
b.Start()
waitDeadline := time.Now().Add(2 * time.Second)
for time.Now().Before(waitDeadline) {
if !b.IsConnected("weixin-ilink") {
if n := b.ConnectedCount(); n != 0 {
t.Fatalf("ConnectedCount() = %d, want 0 after the only read loop died", n)
}
return
}
time.Sleep(time.Millisecond)
}
t.Fatal("bridge still reports weixin-ilink as connected after its read loop ended")
}
// TestReplacedAdapterExitKeepsReplacementConnected 守住另一方向:
// 读取循环退出统计绝不能撤销热重载装入的替换适配器。
// 被替换适配器的循环由 Reload 取消(刻意停止),因此它的
// 退出对如今占用该名称的适配器毫无说明力。
func TestReplacedAdapterExitKeepsReplacementConnected(t *testing.T) {
t.Parallel()
old := &signaledAdapter{
fakeAdapter: &fakeAdapter{name: "kook:conf0", cfg: map[string]any{"bot_token": "old"}},
exited: make(chan struct{}),
}
factory := &stubFactory{adpts: []adapter.PlatformAdapter{
&fakeAdapter{name: "kook:conf0", cfg: map[string]any{"bot_token": "new"}},
}}
b := newReloadBridge(t, factory)
b.Add(old)
b.Start()
if err := b.Reload("kook"); err != nil {
t.Fatalf("Reload: %v", err)
}
<-old.exited
// 退出统计在读取路径返回后立即运行;短促的
// 静置窗口即可捕获,无需依赖特定的交错时序。
settle := time.Now().Add(50 * time.Millisecond)
for time.Now().Before(settle) {
if !b.IsConnected("kook:conf0") {
t.Fatal("the replaced adapter's read-loop exit cleared the replacement's connected flag")
}
time.Sleep(time.Millisecond)
}
}