mirror of
https://github.com/shadowsocks/ShadowsocksX-NG.git
synced 2026-11-08 10:44:50 +00:00
263 lines
12 KiB
Swift
263 lines
12 KiB
Swift
import Combine
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import XCTest
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@testable import ShadowsocksX_NG2
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final class ProxyRuntimeModeCommandTests: ProxyRuntimeControllerTests {
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override func makeDefaultRuleSnapshots() -> BuiltinRuleSnapshots {
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BuiltinRuleSnapshots(loader: ProxyRuntimeFixture.controlFlowRuleSnapshot)
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}
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func testHealthyModeSwitchKeepsRunningWithoutProbingPorts() async throws {
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let seeded = try makeSeededCatalog()
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let probe = ProxyRuntimeFixture.FakeProbe.reachable()
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let controller = makeController(probe: probe)
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try await controller.activate(seeded.server)
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try Data("42".utf8).write(to: runtime.pidFile)
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let callsBefore = probe.callCount
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let runtimeStore = RuntimeFileStore(fileURL: runtime.contract)
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var statesAtReload: [ProxyRuntimeController.AgentRunState] = []
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signals.reloadReceipt = {
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statesAtReload.append(controller.state)
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try? runtimeStore.writePublishedRuntimeReceipt(processID: 42)
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}
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await controller.setProxyMode(.direct)
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await controller.setProxyMode(.global)
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await controller.setProxyMode(.rule)
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XCTAssertEqual(statesAtReload, [.running, .running, .running])
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XCTAssertEqual(controller.state, .running)
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XCTAssertEqual(probe.callCount, callsBefore, "热重载不得重新探测未变化的监听端口")
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}
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func testACLReloadWithReplacementChildStillProbesListeners() async throws {
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let seeded = try makeSeededCatalog()
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let probe = ProxyRuntimeFixture.FakeProbe.reachable()
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let controller = makeController(probe: probe, processIsAlive: { [42, 43].contains($0) })
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try await controller.activate(seeded.server)
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try Data("42".utf8).write(to: runtime.pidFile)
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let callsBefore = probe.callCount
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let runtimeStore = RuntimeFileStore(fileURL: runtime.contract)
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signals.reloadReceipt = { try? runtimeStore.writePublishedRuntimeReceipt(processID: 43) }
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await controller.setProxyMode(.direct)
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XCTAssertEqual(controller.state, .running)
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XCTAssertGreaterThan(probe.callCount, callsBefore, "新子进程必须重新验证监听")
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}
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func testACLReloadRequiresCurrentReceiptWithoutProbingUnchangedListeners() async throws {
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let seeded = try makeSeededCatalog()
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let probe = ProxyRuntimeFixture.FakeProbe.reachable()
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let controller = makeController(probe: probe)
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try await controller.activate(seeded.server)
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try Data("42".utf8).write(to: runtime.pidFile)
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let callsBefore = probe.callCount
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signals.reloadReceipt = {}
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await controller.setProxyMode(.direct)
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XCTAssertEqual(controller.state, .serviceFailed(.agent))
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XCTAssertEqual(probe.callCount, callsBefore)
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XCTAssertNotNil(RuntimeFileStore(fileURL: runtime.contract).readFailure())
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}
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func testNewModeSupersedesPendingACLReloadWithoutStartingOrProbing() async throws {
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let seeded = try makeSeededCatalog()
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let probe = ProxyRuntimeFixture.FakeProbe.reachable()
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let waiting = expectation(description: "waiting for reload receipt")
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let gate = RuleRuntimeDelayGate(started: waiting)
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let controller = makeController(
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probe: probe, launchHealthTimeoutSeconds: 5,
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launchHealthRetryDelay: { try await gate.wait() })
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try await controller.activate(seeded.server)
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try Data("42".utf8).write(to: runtime.pidFile)
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let callsBefore = probe.callCount
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signals.reloadReceipt = {}
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let pending = Task { await controller.setProxyMode(.direct) }
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try await withTestTask(
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pending, release: { gate.resume() },
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body: {
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try await requireTestPhase([waiting])
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XCTAssertEqual(controller.state, .running)
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let store = RuntimeFileStore(fileURL: runtime.contract)
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var stateAtReload: ProxyRuntimeController.AgentRunState?
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self.signals.reloadReceipt = {
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stateAtReload = controller.state
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try? store.writePublishedRuntimeReceipt(processID: 42)
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}
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await controller.setProxyMode(.global)
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XCTAssertEqual(stateAtReload, .running)
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XCTAssertEqual(controller.state, .running)
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XCTAssertEqual(probe.callCount, callsBefore)
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})
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XCTAssertTrue(controller.runtimeReloadProcesses.isEmpty)
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XCTAssertEqual(controller.proxyMode, .global)
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XCTAssertEqual(controller.state, .running)
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}
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func testSetProxyModePersistsTheChoiceAndARestoreRestoresIt() async throws {
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let listeningStore = InMemoryProxyListeningStore()
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let controller = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(), listeningStore: listeningStore)
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await controller.setProxyMode(.global)
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XCTAssertEqual(controller.proxyMode, .global)
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XCTAssertEqual(controller.settings.preferredMode, .global)
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XCTAssertEqual(controller.controlPreferences.preferredMode, .global, "模式选择随快照持久化")
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// GUI 重启路径：恢复出的控制器不注入显式模式，从持久快照读回。
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let restored = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(),
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settingsRestore: RestoredProxyRuntimeSettings(
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settings: ProxyRuntimeSettings(
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listen: ActivationFixture.listen, preferences: controlPreferences), unreadableError: nil),
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proxyMode: nil)
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XCTAssertEqual(restored.proxyMode, .global)
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}
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func testDirectModeDeploysACLWithoutServerAndProjectsSOCKSProxy() async throws {
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let listeningStore = InMemoryProxyListeningStore()
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let controller = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(),
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listeningStore: listeningStore,
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settings: ProxyRuntimeSettings(
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listen: ActivationFixture.listen, agentEnabled: true, systemProxyEnabled: true))
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await controller.resyncOnLaunch()
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XCTAssertEqual(controller.state, .running)
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XCTAssertTrue(systemProxy.applied.isEmpty, "规则模式没有活动目标时不应用系统代理")
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let unregisterCount = agent.unregisterCount
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await controller.setProxyMode(.direct)
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XCTAssertEqual(controller.proxyMode, .direct)
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XCTAssertEqual(controller.settings.preferredMode, .direct)
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XCTAssertEqual(controller.controlPreferences.preferredMode, .direct)
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XCTAssertEqual(controller.state, .running)
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XCTAssertEqual(agent.unregisterCount, unregisterCount + 1, "ACL 变化触发完整 agent 重启")
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let runtimeStore = RuntimeFileStore(fileURL: runtime.contract)
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let document = try XCTUnwrap(runtimeStore.loadDocument())
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XCTAssertTrue(document.servers.isEmpty, "直连模式允许空服务器列表")
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XCTAssertEqual(document.aclRuntime?.summary, "direct")
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let expectedACL = ProxyACLDocument.direct(at: runtimeStore.aclFileURL)
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XCTAssertEqual(
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try Data(contentsOf: runtimeStore.aclFileURL),
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Data(expectedACL.content.utf8),
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"链接解析后的内容是 direct 变体")
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XCTAssertEqual(
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systemProxy.applied.last?.socks,
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.init(host: "127.0.0.1", port: ActivationFixture.listen.socksPort))
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XCTAssertEqual(
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systemProxy.applied.last?.http,
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.init(host: "127.0.0.1", port: ActivationFixture.listen.httpPort))
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XCTAssertTrue(
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Set(FixedLocalProxyRanges.systemProxyExceptions).isSubset(
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of: Set(systemProxy.applied.last?.exceptions ?? [])))
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XCTAssertEqual(controller.systemProxyState, .applied)
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let registersBeforeDisable = agent.unregisterCount
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await controller.setSystemProxyEnabled(false)
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XCTAssertEqual(controller.state, .running, "关闭系统代理不停止本地入口")
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XCTAssertEqual(agent.unregisterCount, registersBeforeDisable)
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XCTAssertEqual(controller.systemProxyState, .idle)
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let restored = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(),
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settingsRestore: RestoredProxyRuntimeSettings(
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settings: ProxyRuntimeSettings(
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listen: ActivationFixture.listen, preferences: controlPreferences), unreadableError: nil),
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proxyMode: nil)
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XCTAssertEqual(restored.proxyMode, .direct, "模式选择从持久快照恢复")
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}
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func testFailedDirectInstanceKeepsNewModeAndStopsService() async throws {
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let seeded = try makeSeededCatalog()
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let listeningStore = InMemoryProxyListeningStore()
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let controller = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(),
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listeningStore: listeningStore,
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settings: ProxyRuntimeSettings(
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listen: ActivationFixture.listen, agentEnabled: true, systemProxyEnabled: true),
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launchHealthTimeoutSeconds: 0.05)
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try await controller.activate(seeded.server)
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XCTAssertEqual(controller.systemProxyState, .applied)
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let runtimeStore = RuntimeFileStore(fileURL: runtime.contract)
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let previousDocument = try XCTUnwrap(runtimeStore.loadDocument())
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let previousApplicationCount = systemProxy.applied.count
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var observedStates: [ProxyRuntimeController.AgentRunState] = []
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let cancellable = controller.factChanges.changes.sink { @MainActor _ in
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observedStates.append(controller.state)
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}
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defer { cancellable.cancel() }
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agent.onRegister = { [runtimeStore, previousDocument] in
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guard let requested = runtimeStore.loadDocument() else { return }
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let accepted = requested.aclRuntime == nil ? requested : previousDocument
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try? runtimeStore.writeRuntimeReceipt(for: accepted, processID: 42)
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}
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await controller.setProxyMode(.direct)
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XCTAssertTrue(observedStates.contains(.starting), "重启期间呈现短暂不可用状态")
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XCTAssertEqual(controller.proxyMode, .direct)
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XCTAssertEqual(controller.settings.preferredMode, .direct)
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XCTAssertEqual(controller.controlPreferences.preferredMode, .direct)
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XCTAssertEqual(runtimeStore.loadDocument()?.aclRuntime?.summary, "direct")
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XCTAssertEqual(controller.state, .serviceFailed(.agent))
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XCTAssertTrue(controller.agentIntentEnabled)
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XCTAssertTrue(controller.systemProxyIntentEnabled)
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XCTAssertNotNil(runtimeStore.readFailure())
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XCTAssertEqual(systemProxy.applied.count, previousApplicationCount)
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XCTAssertGreaterThan(systemProxy.clearCount, 0)
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}
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func testDirectReceiptIsRecheckedAfterReachableStaleListenerProbes() async throws {
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let seeded = try makeSeededCatalog()
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let listeningStore = InMemoryProxyListeningStore()
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let processLiveness = ProcessLivenessRecorder()
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let controller = makeController(
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probe: ProxyRuntimeFixture.FakeProbe.reachable(),
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listeningStore: listeningStore,
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settings: ProxyRuntimeSettings(
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listen: ActivationFixture.listen, agentEnabled: true, systemProxyEnabled: true),
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processIsAlive: { processLiveness.isAlive($0) })
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try await controller.activate(seeded.server)
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XCTAssertEqual(controller.systemProxyState, .applied)
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let runtimeStore = RuntimeFileStore(fileURL: runtime.contract)
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let appliedCount = systemProxy.applied.count
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agent.onRegister = { [runtimeStore] in
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guard let requested = runtimeStore.loadDocument() else { return }
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// 新直连实例用一次性存活的 pid 43。
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let processID: Int32 = requested.aclRuntime?.summary == "direct" ? 43 : 42
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try? runtimeStore.writeRuntimeReceipt(for: requested, processID: processID)
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}
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await controller.setProxyMode(.direct)
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XCTAssertEqual(controller.proxyMode, .direct)
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XCTAssertEqual(controller.state, .serviceFailed(.agent))
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XCTAssertEqual(runtimeStore.loadDocument()?.aclRuntime?.summary, "direct")
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XCTAssertNotNil(runtimeStore.readFailure())
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XCTAssertEqual(systemProxy.applied.count, appliedCount)
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XCTAssertGreaterThan(systemProxy.clearCount, 0)
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}
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}
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private final class ProcessLivenessRecorder: @unchecked Sendable {
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private let lock = NSLock()
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private var candidateChecks = 0
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func isAlive(_ pid: Int32) -> Bool {
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if pid == 42 { return true }
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guard pid == 43 else { return false }
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lock.lock()
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defer { lock.unlock() }
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candidateChecks += 1
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return candidateChecks == 1
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}
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}
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