Files
bitchat/bitchatTests/ChatPeerIdentityCoordinatorContextTests.swift
T
jackandClaude Fable 5 82736c4991 Migrate five more coordinators to narrow context protocols
ChatTransportEventCoordinator, ChatPeerIdentityCoordinator,
ChatMediaTransferCoordinator, ChatVerificationCoordinator, and
ChatLifecycleCoordinator drop their unowned ChatViewModel back-refs for
narrow @MainActor contexts (20-36 members each), reusing shared
witnesses across protocols. The two remaining raw writers of
sentReadReceipts now route through owner intent ops
(unmarkReadReceiptsSent, syncReadReceiptsForSentMessages), closing the
gaps noted in the previous commit. NoiseEncryptionService stays fully
out of the verification coordinator via installNoiseSessionCallbacks.
26 new mock-context tests.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-06-10 21:54:54 +02:00

359 lines
15 KiB
Swift

//
// ChatPeerIdentityCoordinatorContextTests.swift
// bitchatTests
//
// Exercises `ChatPeerIdentityCoordinator` against a mock
// `ChatPeerIdentityContext` — proving the coordinator works without a
// `ChatViewModel`, following the `ChatDeliveryCoordinatorContextTests` /
// `ChatPrivateConversationCoordinatorContextTests` exemplars.
//
// Scope note: flows that hit the `FavoritesPersistenceService.shared`
// singleton (`isFavorite` / `toggleFavoriteForNoiseKey` / favorite
// notifications / `nicknameForPeer` fallbacks) remain covered by the full
// view-model tests; the session, migration, encryption-status, and nickname
// resolution flows are covered here.
//
import Testing
import Foundation
import BitFoundation
@testable import bitchat
// MARK: - Mock Context
/// Lightweight stand-in for `ChatPeerIdentityContext` proving that
/// `ChatPeerIdentityCoordinator` is testable without a `ChatViewModel`.
@MainActor
private final class MockChatPeerIdentityContext: ChatPeerIdentityContext {
// Conversation state
var privateChats: [PeerID: [BitchatMessage]] = [:]
var unreadPrivateMessages: Set<PeerID> = []
var selectedPrivateChatPeer: PeerID?
var selectedPrivateChatFingerprint: String?
var nickname = "me"
var myPeerID = PeerID(str: "0011223344556677")
var activeChannel: ChannelID = .mesh
private(set) var notifyUIChangedCount = 0
private(set) var systemMessages: [String] = []
func notifyUIChanged() { notifyUIChangedCount += 1 }
func addSystemMessage(_ content: String) { systemMessages.append(content) }
// Private chat session lifecycle
private(set) var consolidatedPeers: [(peerID: PeerID, peerNickname: String)] = []
private(set) var syncedReadReceiptPeers: [PeerID] = []
private(set) var begunChatSessions: [PeerID] = []
private(set) var privateStoreSyncCount = 0
private(set) var selectionStoreSyncCount = 0
private(set) var markedReadPeers: [PeerID] = []
@discardableResult
func consolidatePrivateMessages(for peerID: PeerID, peerNickname: String) -> Bool {
consolidatedPeers.append((peerID, peerNickname))
return false
}
func syncReadReceiptsForSentMessages(for peerID: PeerID) {
syncedReadReceiptPeers.append(peerID)
}
func beginPrivateChatSession(with peerID: PeerID) {
begunChatSessions.append(peerID)
}
func synchronizePrivateConversationStore() { privateStoreSyncCount += 1 }
func synchronizeConversationSelectionStore() { selectionStoreSyncCount += 1 }
func markPrivateMessagesAsRead(from peerID: PeerID) { markedReadPeers.append(peerID) }
// Unified peer service
var connectedPeers: Set<PeerID> = []
var peersByID: [PeerID: BitchatPeer] = [:]
var blockedPeers: Set<PeerID> = []
var fingerprintsByPeerID: [PeerID: String] = [:]
var peerIDsByNickname: [String: PeerID] = [:]
var ephemeralPeerIDsByNoiseKey: [Data: PeerID] = [:]
private(set) var toggledFavoritePeers: [PeerID] = []
func unifiedPeer(for peerID: PeerID) -> BitchatPeer? { peersByID[peerID] }
func unifiedIsBlocked(_ peerID: PeerID) -> Bool { blockedPeers.contains(peerID) }
func unifiedToggleFavorite(_ peerID: PeerID) { toggledFavoritePeers.append(peerID) }
func unifiedFingerprint(for peerID: PeerID) -> String? { fingerprintsByPeerID[peerID] }
func unifiedPeerID(forNickname nickname: String) -> PeerID? { peerIDsByNickname[nickname] }
func ephemeralPeerID(forNoiseKey noiseKey: Data) -> PeerID? { ephemeralPeerIDsByNoiseKey[noiseKey] }
// Mesh & Noise sessions
var nicknamesByPeerID: [PeerID: String] = [:]
var noiseSessionStates: [PeerID: LazyHandshakeState] = [:]
var establishedNoiseSessions: Set<PeerID> = []
var activeNoiseSessions: Set<PeerID> = []
var myNoiseFingerprint = "my-fingerprint"
private(set) var triggeredHandshakes: [PeerID] = []
func peerNickname(for peerID: PeerID) -> String? { nicknamesByPeerID[peerID] }
func meshPeerNicknames() -> [PeerID: String] { nicknamesByPeerID }
func noiseSessionState(for peerID: PeerID) -> LazyHandshakeState {
noiseSessionStates[peerID] ?? .none
}
func triggerHandshake(with peerID: PeerID) { triggeredHandshakes.append(peerID) }
func hasEstablishedNoiseSession(with peerID: PeerID) -> Bool {
establishedNoiseSessions.contains(peerID)
}
func hasNoiseSession(with peerID: PeerID) -> Bool { activeNoiseSessions.contains(peerID) }
func noiseIdentityFingerprint() -> String { myNoiseFingerprint }
// Identity store (fingerprints & encryption status)
var verifiedFingerprintSet: Set<String> = []
var socialIdentitiesByFingerprint: [String: SocialIdentity] = [:]
private(set) var storedFingerprints: [(fingerprint: String, peerID: PeerID)] = []
private(set) var encryptionStatuses: [PeerID: EncryptionStatus?] = [:]
private(set) var cachedEncryptionStatuses: [PeerID: EncryptionStatus] = [:]
private(set) var invalidatedEncryptionCachePeers: [PeerID?] = []
func setStoredFingerprint(_ fingerprint: String, for peerID: PeerID) {
storedFingerprints.append((fingerprint, peerID))
fingerprintsByPeerID[peerID] = fingerprint
}
func migrateFingerprintMapping(from oldPeerID: PeerID, to newPeerID: PeerID, fallback: String?) -> String? {
let fingerprint = fingerprintsByPeerID.removeValue(forKey: oldPeerID) ?? fallback
if let fingerprint {
fingerprintsByPeerID[newPeerID] = fingerprint
}
return fingerprint
}
func isVerifiedFingerprint(_ fingerprint: String) -> Bool {
verifiedFingerprintSet.contains(fingerprint)
}
func setEncryptionStatus(_ status: EncryptionStatus?, for peerID: PeerID) {
encryptionStatuses[peerID] = status
}
func cachedEncryptionStatus(for peerID: PeerID) -> EncryptionStatus? {
cachedEncryptionStatuses[peerID]
}
func setCachedEncryptionStatus(_ status: EncryptionStatus, for peerID: PeerID) {
cachedEncryptionStatuses[peerID] = status
}
func invalidateStoredEncryptionCache(for peerID: PeerID?) {
invalidatedEncryptionCachePeers.append(peerID)
if let peerID {
cachedEncryptionStatuses.removeValue(forKey: peerID)
} else {
cachedEncryptionStatuses.removeAll()
}
}
func socialIdentity(forFingerprint fingerprint: String) -> SocialIdentity? {
socialIdentitiesByFingerprint[fingerprint]
}
// Geohash & Nostr
var geoNicknames: [String: String] = [:]
var geohashPeople: [GeoPerson] = []
private(set) var registeredNostrKeyMappings: [(pubkey: String, peerID: PeerID)] = []
private(set) var nostrFavoriteNotifications: [(noisePublicKey: Data, isFavorite: Bool)] = []
var bridgedNostrKeysByNoiseKey: [Data: String] = [:]
func visibleGeohashPeople() -> [GeoPerson] { geohashPeople }
func registerNostrKeyMapping(_ pubkey: String, for peerID: PeerID) {
registeredNostrKeyMappings.append((pubkey, peerID))
}
func bridgedNostrPublicKey(for noiseKey: Data) -> String? {
bridgedNostrKeysByNoiseKey[noiseKey]
}
func sendFavoriteNotificationViaNostr(noisePublicKey: Data, isFavorite: Bool) {
nostrFavoriteNotifications.append((noisePublicKey, isFavorite))
}
}
// MARK: - Helpers
@MainActor
private func makePrivateMessage(
id: String,
sender: String = "alice",
timestamp: Date = Date(),
senderPeerID: PeerID? = nil
) -> BitchatMessage {
BitchatMessage(
id: id,
sender: sender,
content: "hello",
timestamp: timestamp,
isRelay: false,
isPrivate: true,
recipientNickname: "me",
senderPeerID: senderPeerID
)
}
// MARK: - Coordinator Tests Against Mock Context
/// Exercises `ChatPeerIdentityCoordinator` against
/// `MockChatPeerIdentityContext` with no `ChatViewModel`.
struct ChatPeerIdentityCoordinatorContextTests {
@Test @MainActor
func startPrivateChat_runsFullSessionSetupSequence() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let peerID = PeerID(str: "1122334455667788")
context.nicknamesByPeerID[peerID] = "alice"
context.fingerprintsByPeerID[peerID] = "fp-alice"
// Chatting with ourselves is a no-op.
coordinator.startPrivateChat(with: context.myPeerID)
#expect(context.begunChatSessions.isEmpty)
coordinator.startPrivateChat(with: peerID)
#expect(context.consolidatedPeers.map(\.peerID) == [peerID])
#expect(context.consolidatedPeers.first?.peerNickname == "alice")
// No Noise session yet -> handshake triggered.
#expect(context.triggeredHandshakes == [peerID])
#expect(context.syncedReadReceiptPeers == [peerID])
#expect(context.storedFingerprints.map(\.fingerprint) == ["fp-alice"])
#expect(context.selectedPrivateChatFingerprint == "fp-alice")
#expect(context.begunChatSessions == [peerID])
#expect(context.privateStoreSyncCount == 1)
#expect(context.selectionStoreSyncCount == 1)
#expect(context.markedReadPeers == [peerID])
// Established session: no second handshake.
context.noiseSessionStates[peerID] = .established
coordinator.startPrivateChat(with: peerID)
#expect(context.triggeredHandshakes == [peerID])
}
@Test @MainActor
func startPrivateChat_blockedPeerOnlyGetsSystemMessage() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let peerID = PeerID(str: "1122334455667788")
context.blockedPeers = [peerID]
coordinator.startPrivateChat(with: peerID)
#expect(context.systemMessages.count == 1)
#expect(context.begunChatSessions.isEmpty)
#expect(context.consolidatedPeers.isEmpty)
#expect(context.markedReadPeers.isEmpty)
}
@Test @MainActor
func updatePrivateChatPeerIfNeeded_migratesChatStateByFingerprint() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let oldPeerID = PeerID(str: "1111111111111111")
let newPeerID = PeerID(str: "2222222222222222")
context.selectedPrivateChatFingerprint = "fp"
context.selectedPrivateChatPeer = oldPeerID
context.connectedPeers = [newPeerID]
context.fingerprintsByPeerID[newPeerID] = "fp"
let earlier = makePrivateMessage(id: "m1", timestamp: Date(timeIntervalSince1970: 1))
let later = makePrivateMessage(id: "m2", timestamp: Date(timeIntervalSince1970: 2))
context.privateChats[oldPeerID] = [later]
context.privateChats[newPeerID] = [earlier, later] // duplicate id "m2"
context.unreadPrivateMessages = [oldPeerID]
coordinator.updatePrivateChatPeerIfNeeded()
// Old chat is merged into the new peer's chat, deduplicated by id and
// sorted by timestamp; old keys are dropped.
#expect(context.privateChats[oldPeerID] == nil)
#expect(context.privateChats[newPeerID]?.map(\.id) == ["m1", "m2"])
#expect(context.selectedPrivateChatPeer == newPeerID)
// Unread moved to the new peer, then cleared for the now-open chat.
#expect(context.unreadPrivateMessages.isEmpty)
}
@Test @MainActor
func getEncryptionStatus_computesVerifiedStatusAndCachesIt() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let peerID = PeerID(str: "1122334455667788")
// Unknown peer with no fingerprint or session: no handshake yet.
#expect(coordinator.getEncryptionStatus(for: peerID) == .noHandshake)
#expect(context.cachedEncryptionStatuses[peerID] == .noHandshake)
// Cache hit short-circuits recomputation.
context.noiseSessionStates[peerID] = .established
#expect(coordinator.getEncryptionStatus(for: peerID) == .noHandshake)
// After invalidation, an established session with a verified
// fingerprint resolves (and re-caches) as verified.
coordinator.invalidateEncryptionCache(for: peerID)
context.fingerprintsByPeerID[peerID] = "fp"
context.verifiedFingerprintSet = ["fp"]
#expect(coordinator.getEncryptionStatus(for: peerID) == .noiseVerified)
#expect(context.cachedEncryptionStatuses[peerID] == .noiseVerified)
// updateEncryptionStatus publishes to the store and invalidates the cache.
context.establishedNoiseSessions = [peerID]
coordinator.updateEncryptionStatus(for: peerID)
#expect(context.encryptionStatuses[peerID] == .noiseVerified)
#expect(context.cachedEncryptionStatuses[peerID] == nil)
}
@Test @MainActor
func resolveNickname_walksMeshIdentityAndAnonFallbacks() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let meshPeer = PeerID(str: "aabbccddeeff0011")
let identityPeer = PeerID(str: "1234567890abcdef")
let unknownPeer = PeerID(str: "feedfacefeedface")
context.nicknamesByPeerID[meshPeer] = "alice"
#expect(coordinator.resolveNickname(for: meshPeer) == "alice")
context.fingerprintsByPeerID[identityPeer] = "fp"
context.socialIdentitiesByFingerprint["fp"] = SocialIdentity(
fingerprint: "fp",
localPetname: "bob!",
claimedNickname: "bob",
trustLevel: .casual,
isFavorite: false,
isBlocked: false,
notes: nil
)
#expect(coordinator.resolveNickname(for: identityPeer) == "bob!")
#expect(coordinator.resolveNickname(for: unknownPeer) == "anonfeed")
#expect(coordinator.getMyFingerprint() == "my-fingerprint")
}
@Test @MainActor
func getPeerIDForNickname_inGeohashChannel_registersNostrMapping() async {
let context = MockChatPeerIdentityContext()
let coordinator = ChatPeerIdentityCoordinator(context: context)
let pubkey = "abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789".lowercased()
context.activeChannel = .location(GeohashChannel(level: .city, geohash: "u4pruy"))
context.geohashPeople = [GeoPerson(id: pubkey, displayName: "alice#6789", lastSeen: Date())]
context.geoNicknames[pubkey] = "alice"
// Suffixed display-name match.
let bySuffix = coordinator.getPeerIDForNickname("alice#6789")
#expect(bySuffix == PeerID(nostr_: pubkey))
// Base-nickname match via geoNicknames.
let byBase = coordinator.getPeerIDForNickname("ALICE")
#expect(byBase == PeerID(nostr_: pubkey))
#expect(context.registeredNostrKeyMappings.count == 2)
#expect(context.registeredNostrKeyMappings.allSatisfy { $0.pubkey == pubkey })
// Mesh channel falls through to the unified peer service.
context.activeChannel = .mesh
let meshPeer = PeerID(str: "1122334455667788")
context.peerIDsByNickname["carol"] = meshPeer
#expect(coordinator.getPeerIDForNickname("carol") == meshPeer)
}
}