aa92d0e676
- M0: libghostty SSH 终端（渲染/输入/连接）+ 白屏修复(OutputGate) + 会话状态机/自动重连 - M1: tsnet 用户态组网 + SSH-over-tsnet(fd 桥)，shell 级真机验证；R5(Go+gvisor+C+++Swift 同进程) retire - M1.5: tmux -CC 原生 tab（MVP） - 结构: packages/(TXCore·TXTransport), apps/TerminalX, vendor/(libghostty-spm/libssh2/mbedtls/tsnet-bridge), artifacts/ - 文档: CLAUDE.md + docs/HANDOFF.md（新会话入口） - 环境: 认证代理→依赖 vendor 本地化；Go 在 ~/.local/go；仅模拟器/未签名 - 待续: M2 mosh, tmux 多 pane, M4 安全(host key/SE) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
129 lines
5.1 KiB
Swift
129 lines
5.1 KiB
Swift
import Testing
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@testable import TXCore
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@Suite("会话生命周期状态机")
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struct SessionMachineTests {
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@Test("正常连接流程")
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func happyPath() {
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var m = SessionMachine()
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#expect(m.reduce(.connectRequested) == [.startConnect])
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#expect(m.phase == .connecting)
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#expect(m.reduce(.authenticating) == [])
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#expect(m.phase == .authenticating)
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#expect(m.reduce(.established) == [.notify("已连接")])
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#expect(m.phase == .connected)
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}
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@Test("认证失败为终态，不自动重连")
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func authFailedTerminal() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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let effects = m.reduce(.authFailed(reason: "密码错误"))
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#expect(m.phase == .failed(reason: "密码错误"))
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#expect(effects.contains(.teardownTransport))
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// failed 态收到网络事件不动
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#expect(m.reduce(.transportClosed(reason: nil)) == [])
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#expect(m.phase == .failed(reason: "密码错误"))
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}
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@Test("断线进入退避重连")
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func disconnectSchedulesReconnect() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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let effects = m.reduce(.transportClosed(reason: "eof"))
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#expect(m.phase == .waitingToReconnect(attempt: 1))
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#expect(effects.contains(.teardownTransport))
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#expect(effects.contains(.scheduleReconnect(attempt: 1, delayMS: 500)))
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}
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@Test("重连计时→重连→成功")
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func reconnectSuccess() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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_ = m.reduce(.transportClosed(reason: nil))
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#expect(m.reduce(.reconnectTimerFired) == [.startConnect])
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#expect(m.phase == .reconnecting(attempt: 1))
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#expect(m.reduce(.established) == [.notify("已重连")])
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#expect(m.phase == .connected)
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}
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@Test("重连反复失败，退避递增，达上限转 failed")
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func reconnectExhaustion() {
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var m = SessionMachine(maxReconnectAttempts: 3, baseDelayMS: 500, maxDelayMS: 16000)
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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// 第1次断
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_ = m.reduce(.transportClosed(reason: nil))
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#expect(m.phase == .waitingToReconnect(attempt: 1))
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_ = m.reduce(.reconnectTimerFired) // reconnecting(1)
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// 第2次断（attempt 2, delay 1000）
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let e2 = m.reduce(.transportClosed(reason: nil))
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#expect(m.phase == .waitingToReconnect(attempt: 2))
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#expect(e2.contains(.scheduleReconnect(attempt: 2, delayMS: 1000)))
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_ = m.reduce(.reconnectTimerFired) // reconnecting(2)
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// 第3次断（attempt 3, delay 2000）
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let e3 = m.reduce(.transportClosed(reason: nil))
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#expect(m.phase == .waitingToReconnect(attempt: 3))
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#expect(e3.contains(.scheduleReconnect(attempt: 3, delayMS: 2000)))
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_ = m.reduce(.reconnectTimerFired) // reconnecting(3)
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// 第4次断 → 超过 maxReconnectAttempts(3) → failed
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let e4 = m.reduce(.transportClosed(reason: "gone"))
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if case .failed = m.phase {} else { Issue.record("期望 failed，实际 \(m.phase)") }
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#expect(e4.contains(.notify("重连失败，请手动重试")))
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}
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@Test("退避封顶")
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func backoffCap() {
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let m = SessionMachine(baseDelayMS: 500, maxDelayMS: 16000)
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#expect(m.backoffDelayMS(attempt: 1) == 500)
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#expect(m.backoffDelayMS(attempt: 2) == 1000)
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#expect(m.backoffDelayMS(attempt: 5) == 8000)
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#expect(m.backoffDelayMS(attempt: 6) == 16000)
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#expect(m.backoffDelayMS(attempt: 10) == 16000) // 封顶
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}
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@Test("后台冻结与前台恢复")
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func backgroundResume() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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#expect(m.reduce(.enteredBackground) == [])
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#expect(m.phase == .backgroundParked)
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let effects = m.reduce(.enteredForeground)
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#expect(m.phase == .reconnecting(attempt: 1))
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#expect(effects.contains(.startConnect))
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}
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@Test("等待重连时进入后台取消计时")
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func backgroundDuringWait() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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_ = m.reduce(.transportClosed(reason: nil))
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#expect(m.phase == .waitingToReconnect(attempt: 1))
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#expect(m.reduce(.enteredBackground) == [.cancelReconnectTimer])
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#expect(m.phase == .backgroundParked)
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}
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@Test("主动关闭与手动重试复位")
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func closeAndRetry() {
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var m = SessionMachine()
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_ = m.reduce(.connectRequested)
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_ = m.reduce(.established)
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let closeEffects = m.reduce(.closeRequested)
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#expect(m.phase == .closed)
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#expect(closeEffects.contains(.teardownTransport))
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// failed 后手动重试
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var m2 = SessionMachine()
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_ = m2.reduce(.connectRequested)
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_ = m2.reduce(.authFailed(reason: "x"))
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#expect(m2.reduce(.retryRequested) == [.startConnect])
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#expect(m2.phase == .connecting)
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}
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}
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