mirror of
https://github.com/shadowsocks/ShadowsocksX-NG.git
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103 lines
4.2 KiB
Swift
103 lines
4.2 KiB
Swift
import SystemConfiguration
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import XCTest
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@testable import ShadowsocksX_NG2
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/// 生产本机接口事实来源的真实主机非视觉验证：替身测试证明策略
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/// 行为，本组用例证明系统适配器整合——接口名称与类型映射、回环识别、地址
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/// 规范化与链路本地判定均来自真实 macOS。候选枚举本身不证明跨设备可达。
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@MainActor
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final class SystemInterfaceFactsProviderTests: XCTestCase {
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private var provider: SystemInterfaceFactsProvider!
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private var interfaces: [LocalInterfaceFacts]!
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override func setUp() async throws {
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try await super.setUp()
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provider = SystemInterfaceFactsProvider()
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guard let interfaces = provider.interfaces else {
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self.interfaces = []
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XCTFail("真实主机 getifaddrs 枚举不应失败")
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return
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}
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self.interfaces = interfaces
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}
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private func fact(_ bsdName: String) -> LocalInterfaceFacts? {
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interfaces.first { $0.bsdName == bsdName }
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}
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func testLoopbackIsIdentifiedWithNormalizedAddresses() {
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guard let lo0 = fact("lo0") else {
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return XCTFail("真实主机必有 lo0：\(interfaces.map(\.bsdName))")
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}
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XCTAssertTrue(lo0.isLoopback, "回环以 IFF_LOOPBACK 识别")
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XCTAssertNil(lo0.interfaceType, "回环无 SystemConfiguration 类型映射")
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XCTAssertTrue(
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lo0.addresses.contains(
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LocalInterfaceAddress(
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address: "127.0.0.1", family: .ipv4, isIPv6LinkLocal: false, v6Flags: nil)),
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"回环单播含规范化 127.0.0.1")
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}
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func testInterfaceTypeMappingCoversRealSystemInterfaces() {
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let mapped = interfaces.filter { $0.interfaceType != nil }
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XCTAssertFalse(
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mapped.isEmpty, "真实主机至少有一个 SystemConfiguration 可见接口：\(String(describing: interfaces))")
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for interface in mapped {
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if let localizedName = interface.localizedName {
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XCTAssertFalse(localizedName.isEmpty, "\(interface.bsdName) 本地化名称非空")
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}
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}
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}
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func testAddressTextIsNormalizedWithoutScopeOrEmptiness() {
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for interface in interfaces {
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for address in interface.addresses {
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XCTAssertFalse(address.address.isEmpty)
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XCTAssertFalse(
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address.address.contains("%"),
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"\(interface.bsdName) 地址不含作用域后缀：\(address.address)")
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if address.family == .ipv6 {
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XCTAssertNotNil(
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address.v6Flags, "\(interface.bsdName) IPv6 地址标志查询不应失败")
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if address.address.hasPrefix("fe80") {
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XCTAssertTrue(address.isIPv6LinkLocal, "fe80 地址必须标记链路本地")
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} else {
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XCTAssertFalse(address.isIPv6LinkLocal, "非 fe80 地址不应标记链路本地")
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}
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} else {
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XCTAssertNil(address.v6Flags, "IPv4 地址不携带 IPv6 标志")
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}
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}
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}
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}
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func testPolicyAppliedToRealFactsYieldsLoopbackFirstAndAllowedTypesOnly() {
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let candidates = TerminalCommandAddressPolicy.candidates(
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for: .allIPv4AndIPv6Interfaces, interfaces: interfaces)
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XCTAssertEqual(
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candidates.prefix(1).map(\.address), ["127.0.0.1"],
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"本地 IPv4 回环置顶且来自真实主机")
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let nonLoopback = candidates.dropFirst(1)
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XCTAssertFalse(nonLoopback.isEmpty, "真实主机存在可列出的接口地址候选")
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for candidate in nonLoopback {
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let fact = interfaces.first { $0.bsdName == candidate.bsdName }?
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.addresses.first { $0.address == candidate.address }
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let type = interfaces.first { $0.bsdName == candidate.bsdName }?.interfaceType
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XCTAssertTrue(
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type == kSCNetworkInterfaceTypeIEEE80211 as String
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|| type == kSCNetworkInterfaceTypeEthernet as String,
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"候选 \(candidate.address) 必须来自允许类型接口（实际类型 \(type ?? "nil")）")
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XCTAssertFalse(candidate.address.contains("%"), "候选地址已规范化")
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XCTAssertFalse(
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fact?.v6Flags?.contains(.temporary) ?? false,
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"临时地址（会轮换）不进候选：\(candidate.address)")
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let knownAnnotations: Set<String?> = ["autoconf secured", "autoconf", "dynamic", nil]
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XCTAssertTrue(
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knownAnnotations.contains(candidate.annotation),
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"IPv6 候选注记只能来自 ifconfig 同源闭集：\(candidate.address)")
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}
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}
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}
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