Files
bitchat/bitchatTests/ChatViewModelTests.swift
T

2190 lines
75 KiB
Swift

//
// ChatViewModelTests.swift
// bitchatTests
//
// Tests for ChatViewModel using MockTransport for isolation.
// This is free and unencumbered software released into the public domain.
//
import Testing
import Foundation
import BitFoundation
@testable import bitchat
// MARK: - Test Helpers
/// Creates a ChatViewModel with mock dependencies for testing
@MainActor
private func makeTestableViewModel(
keychain injectedKeychain: MockKeychain? = nil,
panicMediaWipe: (() throws -> Void)? = nil,
panicRecoveryOperations: PanicRecoveryOperations? = nil,
panicNetworkLifecycle: PanicNetworkLifecycle = .noop
) -> (viewModel: ChatViewModel, transport: MockTransport) {
let keychain = injectedKeychain ?? MockKeychain()
let keychainHelper = MockKeychainHelper()
let idBridge = NostrIdentityBridge(keychain: keychainHelper)
let identityManager = MockIdentityManager(keychain)
let transport = MockTransport()
let viewModel = ChatViewModel(
keychain: keychain,
idBridge: idBridge,
identityManager: identityManager,
transport: transport,
panicMediaWipe: panicMediaWipe,
panicRecoveryOperations: panicRecoveryOperations,
panicNetworkLifecycle: panicNetworkLifecycle
)
return (viewModel, transport)
}
// MARK: - Initialization Tests
struct ChatViewModelInitializationTests {
@Test @MainActor
func initialization_setsDelegate() async {
let (viewModel, transport) = makeTestableViewModel()
// The viewModel should set itself as the transport delegate
#expect(transport.delegate === viewModel)
#expect(transport.eventDelegate === viewModel)
}
@Test @MainActor
func initialization_startsServices() async {
let (_, transport) = makeTestableViewModel()
// Services should be started during init
#expect(transport.startServicesCallCount == 1)
}
@Test @MainActor
func initialization_hasEmptyMessageList() async {
let (viewModel, _) = makeTestableViewModel()
// Initial messages may include system messages, but should be limited
#expect(viewModel.messages.count < 10)
}
@Test @MainActor
func initialization_setsNickname() async {
let (_, transport) = makeTestableViewModel()
// Nickname should be set during init
#expect(!transport.myNickname.isEmpty)
}
@Test @MainActor
func initialization_bindsPeerSnapshotsIntoAllPeers() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "00000000000000a1")
let noiseKey = Data(repeating: 0xAB, count: 32)
transport.updatePeerSnapshots([
TransportPeerSnapshot(
peerID: peerID,
nickname: "Alice",
isConnected: true,
noisePublicKey: noiseKey,
lastSeen: Date()
)
])
// The snapshot → allPeers binding hops the transport's unstructured
// Task, UnifiedPeerService, a receive(on: main), and another Task —
// all contending with every parallel worker, so a loaded CI runner
// can exceed defaultTimeout (observed: one 5s miss on a run where
// the whole suite took 10s instead of the usual ~4s).
let updated = await TestHelpers.waitUntil({
viewModel.allPeers.contains { $0.peerID == peerID && $0.nickname == "Alice" }
}, timeout: TestConstants.longTimeout)
#expect(updated)
}
}
// MARK: - Identity Tests
struct ChatViewModelIdentityTests {
@Test @MainActor
func updatePrivateChatPeerIfNeeded_migratesSelectionHistoryByFingerprint() async {
let (viewModel, transport) = makeTestableViewModel()
let oldPeerID = PeerID(str: "00000000000000d1")
let newPeerID = PeerID(str: "00000000000000d2")
let sharedFingerprint = "fingerprint-shared"
let sharedNoiseKey = Data(repeating: 0xAB, count: 32)
transport.peerFingerprints[oldPeerID] = sharedFingerprint
transport.peerFingerprints[newPeerID] = sharedFingerprint
transport.peerNicknames[oldPeerID] = "Alice"
transport.peerNicknames[newPeerID] = "Alice"
transport.updatePeerSnapshots([
TransportPeerSnapshot(
peerID: oldPeerID,
nickname: "Alice",
isConnected: true,
noisePublicKey: sharedNoiseKey,
lastSeen: Date()
)
])
// Same multi-hop snapshot pipeline as above: longTimeout for load.
let oldPeerBound = await TestHelpers.waitUntil({
viewModel.connectedPeers.contains(oldPeerID)
}, timeout: TestConstants.longTimeout)
#expect(oldPeerBound)
let existingMessage = BitchatMessage(
id: "pm-migrate-1",
sender: "Alice",
content: "Still here",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: oldPeerID,
mentions: nil
)
viewModel.seedPrivateChat([existingMessage], for: oldPeerID)
viewModel.startPrivateChat(with: oldPeerID)
#expect(viewModel.selectedPrivateChatPeer == oldPeerID)
#expect(viewModel.hasTrackedPrivateChatSelection)
#expect(viewModel.selectedPrivateChatFingerprint == viewModel.getFingerprint(for: oldPeerID))
transport.updatePeerSnapshots([
TransportPeerSnapshot(
peerID: newPeerID,
nickname: "Alice",
isConnected: true,
noisePublicKey: sharedNoiseKey,
lastSeen: Date()
)
])
let newPeerBound = await TestHelpers.waitUntil({
viewModel.connectedPeers.contains(newPeerID) && !viewModel.connectedPeers.contains(oldPeerID)
}, timeout: TestConstants.longTimeout)
#expect(newPeerBound)
viewModel.updatePrivateChatPeerIfNeeded()
#expect(viewModel.selectedPrivateChatPeer == newPeerID)
#expect(viewModel.privateChats[oldPeerID] == nil)
#expect(viewModel.privateChats[newPeerID]?.contains(where: { $0.id == "pm-migrate-1" }) == true)
}
@Test @MainActor
func resolveNickname_prefersLocalPetnameOverClaimedNickname() async {
let keychain = MockKeychain()
let keychainHelper = MockKeychainHelper()
let idBridge = NostrIdentityBridge(keychain: keychainHelper)
let identityManager = MockIdentityManager(keychain)
let transport = MockTransport()
let viewModel = ChatViewModel(
keychain: keychain,
idBridge: idBridge,
identityManager: identityManager,
transport: transport
)
let peerID = PeerID(str: "00000000000000d3")
let fingerprint = "fingerprint-petname"
transport.peerFingerprints[peerID] = fingerprint
identityManager.updateSocialIdentity(
SocialIdentity(
fingerprint: fingerprint,
localPetname: "Buddy",
claimedNickname: "Alice",
trustLevel: .trusted,
isFavorite: false,
isBlocked: false,
notes: nil
)
)
#expect(viewModel.getFingerprint(for: peerID) == fingerprint)
#expect(viewModel.resolveNickname(for: peerID) == "Buddy")
}
}
// MARK: - Message Sending Tests
struct ChatViewModelSendingTests {
@Test @MainActor
func sendMessage_delegatesToTransport() async {
let (viewModel, transport) = makeTestableViewModel()
viewModel.sendMessage("Hello World")
#expect(transport.sentMessages.count == 1)
#expect(transport.sentMessages.first?.content == "Hello World")
}
@Test @MainActor
func sendMessage_emptyContent_ignored() async {
let (viewModel, transport) = makeTestableViewModel()
viewModel.sendMessage("")
viewModel.sendMessage(" ")
viewModel.sendMessage("\n\t")
#expect(transport.sentMessages.isEmpty)
}
@Test @MainActor
func sendMessage_withMentions_sendsContent() async {
let (viewModel, transport) = makeTestableViewModel()
viewModel.sendMessage("Hello @alice")
#expect(transport.sentMessages.count == 1)
#expect(transport.sentMessages.first?.content == "Hello @alice")
}
@Test @MainActor
func sendMessage_command_notSentToTransport() async {
let (viewModel, transport) = makeTestableViewModel()
viewModel.sendMessage("/help")
// Commands are processed locally, not sent to transport
#expect(transport.sentMessages.isEmpty)
}
}
// MARK: - Command Handling Tests
struct ChatViewModelCommandTests {
@Test @MainActor
func sendMessage_commandsNotSentToTransport() async {
let (viewModel, transport) = makeTestableViewModel()
let commands = ["/nick bob", "/who", "/help", "/clear"]
for command in commands {
transport.resetRecordings()
viewModel.sendMessage(command)
try? await Task.sleep(nanoseconds: 100_000_000)
#expect(transport.sentMessages.isEmpty)
#expect(transport.sentPrivateMessages.isEmpty)
}
}
@Test @MainActor
func handleCommand_outputRoutesToOpenPrivateChat() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000002")
transport.simulateConnect(peerID, nickname: "Alice")
viewModel.selectedPrivateChatPeer = peerID
viewModel.handleCommand("/help")
#expect(viewModel.privateChats[peerID]?.last?.content == CommandProcessor.helpText)
#expect(!viewModel.messages.contains { $0.content == CommandProcessor.helpText })
}
@Test @MainActor
func handleCommand_errorRoutesToOpenPrivateChat() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000002")
transport.simulateConnect(peerID, nickname: "Alice")
viewModel.selectedPrivateChatPeer = peerID
viewModel.handleCommand("/bogus")
let dmContents = viewModel.privateChats[peerID]?.map(\.content) ?? []
#expect(dmContents.contains { $0.hasPrefix("unknown command: /bogus") })
#expect(!viewModel.messages.contains { $0.content.hasPrefix("unknown command: /bogus") })
}
@Test @MainActor
func handleCommand_outputRoutesToPublicTimelineWithoutOpenDM() async {
let (viewModel, _) = makeTestableViewModel()
viewModel.handleCommand("/bogus")
#expect(viewModel.messages.last?.content.hasPrefix("unknown command: /bogus") == true)
}
@Test @MainActor
func handleCommand_msgSuccessLandsInNewlyOpenedChat() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000002")
transport.simulateConnect(peerID, nickname: "Alice")
let resolved = await TestHelpers.waitUntil({
viewModel.getPeerIDForNickname("Alice") == peerID
}, timeout: TestConstants.defaultTimeout)
#expect(resolved)
viewModel.handleCommand("/msg Alice")
#expect(viewModel.selectedPrivateChatPeer == peerID)
#expect(viewModel.privateChats[peerID]?.last?.content == "started private chat with Alice")
#expect(!viewModel.messages.contains { $0.content == "started private chat with Alice" })
}
}
// MARK: - Composer Tests
struct ChatViewModelComposerTests {
@Test @MainActor
func updateAutocomplete_suggestsKnownPeersAndExcludesSelf() async {
let (viewModel, transport) = makeTestableViewModel()
let alice = PeerID(str: "00000000000000a1")
let selfAlias = PeerID(str: "00000000000000a2")
transport.simulateConnect(alice, nickname: "Alice")
transport.simulateConnect(selfAlias, nickname: viewModel.nickname)
viewModel.updateAutocomplete(for: "hello @Al", cursorPosition: 9)
#expect(viewModel.showAutocomplete)
#expect(viewModel.autocompleteSuggestions == ["@Alice"])
}
@Test @MainActor
func completeNickname_replacesTokenAndClearsAutocompleteState() async {
let (viewModel, _) = makeTestableViewModel()
var text = "hello @Al"
viewModel.autocompleteSuggestions = ["@Alice"]
viewModel.autocompleteRange = NSRange(location: 6, length: 3)
viewModel.showAutocomplete = true
viewModel.selectedAutocompleteIndex = 0
_ = viewModel.completeNickname("@Alice", in: &text)
#expect(text == "hello @Alice")
#expect(viewModel.autocompleteSuggestions.isEmpty)
#expect(viewModel.autocompleteRange == nil)
#expect(!viewModel.showAutocomplete)
#expect(viewModel.selectedAutocompleteIndex == 0)
}
@Test @MainActor
func parseMentions_filtersToKnownPeerAndSelfTokens() async {
let (viewModel, transport) = makeTestableViewModel()
let alice = PeerID(str: "00000000000000b1")
transport.simulateConnect(alice, nickname: "Alice")
let mentions = Set(
viewModel.parseMentions(
from: "hi @Alice @nobody @\(viewModel.nickname)"
)
)
#expect(mentions.contains("Alice"))
#expect(mentions.contains(viewModel.nickname))
#expect(!mentions.contains("nobody"))
}
}
// MARK: - Lifecycle Tests
struct ChatViewModelServiceLifecycleTests {
@Test @MainActor
func handleDidBecomeActive_marksVisiblePrivateMessagesAsRead() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000001")
transport.simulateConnect(peerID, nickname: "Alice")
let message = BitchatMessage(
id: "read-1",
sender: "Alice",
content: "Hello from Alice",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID,
mentions: nil
)
viewModel.seedPrivateChat([message], for: peerID)
viewModel.markPrivateChatUnread(peerID)
viewModel.selectedPrivateChatPeer = peerID
viewModel.handleDidBecomeActive()
let sentReadReceipt = await TestHelpers.waitUntil({
transport.sentReadReceipts.contains {
$0.peerID == peerID && $0.receipt.originalMessageID == "read-1"
}
}, timeout: TestConstants.defaultTimeout)
#expect(sentReadReceipt)
#expect(!viewModel.unreadPrivateMessages.contains(peerID))
}
@Test @MainActor
func handleScreenshotCaptured_privateChatAddsLocalNoticeWithoutSession() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000002")
transport.simulateConnect(peerID, nickname: "Alice")
viewModel.selectedPrivateChatPeer = peerID
viewModel.handleScreenshotCaptured()
#expect(transport.sentPrivateMessages.isEmpty)
#expect(viewModel.privateChats[peerID]?.last?.content == "you took a screenshot")
}
}
// MARK: - Timeline Cap Tests
struct ChatViewModelTimelineCapTests {
@Test @MainActor
func sendMessage_trimsTimelineToCap() async {
let (viewModel, _) = makeTestableViewModel()
let total = TransportConfig.meshTimelineCap + 5
for i in 0..<total {
viewModel.sendMessage("cap-msg-\(i)")
}
#expect(viewModel.messages.count == TransportConfig.meshTimelineCap)
#expect(viewModel.messages.last?.content == "cap-msg-\(total - 1)")
}
}
// MARK: - Message Receiving Tests
struct ChatViewModelReceivingTests {
@Test @MainActor
func didReceiveMessage_callsDelegate() async {
let (viewModel, transport) = makeTestableViewModel()
let message = BitchatMessage(
id: "msg-001",
sender: "Alice",
content: "Hello from Alice",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: false,
recipientNickname: nil,
senderPeerID: PeerID(str: "PEER001"),
mentions: nil
)
transport.simulateIncomingMessage(message)
// Give time for Task and pipeline processing
try? await Task.sleep(nanoseconds: 200_000_000)
// Message may or may not appear due to rate limiting/pipeline batching
// The important thing is no crash and delegate was called
#expect(transport.delegate === viewModel)
#expect(transport.eventDelegate === viewModel)
}
@Test @MainActor
func didReceivePublicMessage_addsToTimeline() async {
let (viewModel, transport) = makeTestableViewModel()
transport.simulateIncomingPublicMessage(
from: PeerID(str: "PEER002"),
nickname: "Bob",
content: "Public hello from Bob",
timestamp: Date(),
messageID: "pub-001"
)
let found = await TestHelpers.waitUntil({
viewModel.publicMessages(for: .mesh).contains { $0.content == "Public hello from Bob" }
}, timeout: TestConstants.defaultTimeout)
#expect(found)
}
}
// MARK: - Noise Payload Tests
struct ChatViewModelNoisePayloadTests {
@Test @MainActor
func didReceiveNoisePayload_privateMessageStoresMessageAndSendsDeliveryAck() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000003")
transport.simulateConnect(peerID, nickname: "Alice")
let payload = PrivateMessagePacket(messageID: "pm-noise-1", content: "Secret hello").encode()
#expect(payload != nil)
guard let payload else { return }
viewModel.didReceiveNoisePayload(
from: peerID,
type: .privateMessage,
payload: payload,
timestamp: Date()
)
let stored = await TestHelpers.waitUntil({
viewModel.privateChats[peerID]?.contains(where: { $0.id == "pm-noise-1" && $0.content == "Secret hello" }) == true
}, timeout: TestConstants.defaultTimeout)
let acked = await TestHelpers.waitUntil({
transport.sentDeliveryAcks.contains { $0.messageID == "pm-noise-1" && $0.peerID == peerID }
}, timeout: TestConstants.defaultTimeout)
#expect(stored)
#expect(acked)
}
@Test @MainActor
func didReceiveNoisePayload_deliveredUpdatesExistingPrivateMessageStatus() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000004")
transport.simulateConnect(peerID, nickname: "Bob")
let message = BitchatMessage(
id: "pm-delivered-1",
sender: viewModel.nickname,
content: "Waiting on ack",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: true,
recipientNickname: "Bob",
senderPeerID: viewModel.meshService.myPeerID,
mentions: nil,
deliveryStatus: .sent
)
viewModel.seedPrivateChat([message], for: peerID)
viewModel.didReceiveNoisePayload(
from: peerID,
type: .delivered,
payload: Data("pm-delivered-1".utf8),
timestamp: Date()
)
let delivered = await TestHelpers.waitUntil({
guard let status = viewModel.privateChats[peerID]?.first?.deliveryStatus else { return false }
if case .delivered(let name, _) = status {
return name == "Bob"
}
return false
}, timeout: TestConstants.defaultTimeout)
#expect(delivered)
}
@Test @MainActor
func didReceiveNoisePayload_readReceiptUpdatesBeforePeerNicknameIsKnown() async {
let (viewModel, _) = makeTestableViewModel()
let peerID = PeerID(str: "0000000000000005")
let message = BitchatMessage(
id: "pm-read-before-name",
sender: viewModel.nickname,
content: "Waiting on read receipt",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: true,
recipientNickname: "Peer",
senderPeerID: viewModel.meshService.myPeerID,
mentions: nil,
deliveryStatus: .sent
)
viewModel.seedPrivateChat([message], for: peerID)
viewModel.didReceiveNoisePayload(
from: peerID,
type: .readReceipt,
payload: Data("pm-read-before-name".utf8),
timestamp: Date()
)
let privateChatUpdated = await TestHelpers.waitUntil({
guard let status = viewModel.privateChats[peerID]?.first?.deliveryStatus else { return false }
if case .read = status {
return true
}
return false
}, timeout: TestConstants.defaultTimeout)
let conversationStoreUpdated = await TestHelpers.waitUntil({
let messages = viewModel.conversations.conversationsByID[.directPeer(peerID)]?.messages ?? []
guard let status = messages.first?.deliveryStatus else { return false }
if case .read = status {
return true
}
return false
}, timeout: TestConstants.defaultTimeout)
#expect(privateChatUpdated)
#expect(conversationStoreUpdated)
}
}
// MARK: - Formatting Tests
struct ChatViewModelFormattingTests {
@Test @MainActor
func formatMessageAsText_formatsSenderContentAndTimestamp() async {
let (viewModel, _) = makeTestableViewModel()
let message = BitchatMessage(
id: "fmt-1",
sender: "Alice#a1b2",
content: "hello #mesh",
timestamp: Date(timeIntervalSince1970: 1_700_010_000),
isRelay: false,
senderPeerID: PeerID(str: "00000000000000b1")
)
let formatted = viewModel.formatMessageAsText(message, colorScheme: .light)
#expect(String(formatted.characters) == "<@Alice#a1b2> hello #mesh [\(message.formattedTimestamp)]")
}
@Test @MainActor
func formatMessageAsText_longCashuFallsBackToPlain() async {
let (viewModel, _) = makeTestableViewModel()
let cashu = "cashuA" + String(repeating: "a", count: 40)
let longContent = "hi @bob " + cashu + " " + String(repeating: "x", count: 4_100)
let message = BitchatMessage(
id: "fmt-long-cashu",
sender: "Alice#a1b2",
content: longContent,
timestamp: Date(timeIntervalSince1970: 1_700_010_123),
isRelay: false,
senderPeerID: PeerID(str: "00000000000000b3")
)
let formatted = viewModel.formatMessageAsText(message, colorScheme: .light)
#expect(String(formatted.characters) == "<@Alice#a1b2> \(longContent) [\(message.formattedTimestamp)]")
}
@Test @MainActor
func formatMessageHeader_formatsSenderHeader() async {
let (viewModel, _) = makeTestableViewModel()
let message = BitchatMessage(
id: "fmt-2",
sender: "Alice#a1b2",
content: "hello",
timestamp: Date(),
isRelay: false,
senderPeerID: PeerID(str: "00000000000000b2")
)
let header = viewModel.formatMessageHeader(message, colorScheme: .dark)
#expect(String(header.characters) == "<@Alice#a1b2> ")
}
}
// MARK: - Verification Tests
struct ChatViewModelVerificationTests {
@Test @MainActor
func beginQRVerification_unknownNoiseKeyReturnsFalse() async {
let (viewModel, _) = makeTestableViewModel()
let qr = VerificationService.VerificationQR(
v: 1,
noiseKeyHex: String(repeating: "a", count: 64),
signKeyHex: String(repeating: "b", count: 64),
npub: nil,
nickname: "Alice",
ts: 1_700_000_000,
nonceB64: "nonce",
sigHex: "sig"
)
#expect(!viewModel.beginQRVerification(with: qr))
}
@Test @MainActor
func beginQRVerification_knownPeerTriggersHandshakeWhenSessionNotEstablished() async {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: "00000000000000c1")
let noiseKey = Data(repeating: 0xAB, count: 32)
transport.updatePeerSnapshots([
TransportPeerSnapshot(
peerID: peerID,
nickname: "Alice",
isConnected: true,
noisePublicKey: noiseKey,
lastSeen: Date()
)
])
let bound = await TestHelpers.waitUntil({
viewModel.unifiedPeerService.peers.contains { $0.peerID == peerID }
}, timeout: TestConstants.defaultTimeout)
#expect(bound)
let qr = VerificationService.VerificationQR(
v: 1,
noiseKeyHex: noiseKey.hexEncodedString(),
signKeyHex: String(repeating: "c", count: 64),
npub: nil,
nickname: "Alice",
ts: 1_700_000_000,
nonceB64: "nonce",
sigHex: "sig"
)
#expect(viewModel.beginQRVerification(with: qr))
#expect(transport.triggeredHandshakes == [peerID])
}
}
// MARK: - Rate Limiting Tests
struct ChatViewModelRateLimitingTests {
@Test @MainActor
func handlePublicMessage_rateLimitsBurstBySender() async {
let (viewModel, _) = makeTestableViewModel()
let senderID = PeerID(str: "1122334455667788")
let now = Date()
for i in 0..<6 {
let message = BitchatMessage(
id: "rate-\(i)",
sender: "Spammer",
content: "rate-msg-\(i)",
timestamp: now,
isRelay: false,
originalSender: nil,
isPrivate: false,
recipientNickname: nil,
senderPeerID: senderID,
mentions: nil
)
viewModel.handlePublicMessage(message)
}
viewModel.publicMessagePipeline.flushIfNeeded()
let burstMessages = viewModel.messages.filter { $0.content.hasPrefix("rate-msg-") }
#expect(burstMessages.count == 5)
#expect(!burstMessages.contains { $0.content == "rate-msg-5" })
}
}
// MARK: - Public Conversation Tests
struct ChatViewModelPublicConversationTests {
@Test @MainActor
func bridgeAliasReplacementDoesNotContentDedupAwayAuthenticatedRadioRow() {
let (viewModel, _) = makeTestableViewModel()
let content = "same bridge and radio payload"
let timestamp = Date()
let bridgeMessage = BitchatMessage(
id: "bridge-event-id",
sender: "remote#beef",
content: content,
timestamp: timestamp,
isRelay: false,
senderPeerID: PeerID(bridge: String(repeating: "a", count: 64)),
isBridged: true
)
viewModel.handlePublicMessage(bridgeMessage)
viewModel.publicMessagePipeline.flushIfNeeded()
#expect(viewModel.publicConversationContainsMessage(withID: bridgeMessage.id, in: .mesh))
viewModel.removeBridgeInjectedPublicMessage(withID: bridgeMessage.id)
let radioMessage = BitchatMessage(
id: "radio-stable-id",
sender: "remote",
content: content,
timestamp: timestamp,
isRelay: false,
senderPeerID: PeerID(str: "1122334455667788")
)
viewModel.handlePublicMessage(radioMessage)
viewModel.publicMessagePipeline.flushIfNeeded()
#expect(!viewModel.publicConversationContainsMessage(withID: bridgeMessage.id, in: .mesh))
#expect(viewModel.publicConversationContainsMessage(withID: radioMessage.id, in: .mesh))
}
@Test @MainActor
func addPublicSystemMessage_persistsAcrossTimelineRefresh() async {
let (viewModel, _) = makeTestableViewModel()
viewModel.addPublicSystemMessage("system refresh test")
viewModel.refreshVisibleMessages(from: .mesh)
// The system message lives in the mesh conversation itself, so the
// derived `messages` view still surfaces it after a refresh.
#expect(viewModel.messages.last?.content == "system refresh test")
#expect(viewModel.publicMessages(for: .mesh).last?.content == "system refresh test")
}
@Test @MainActor
func clearCurrentPublicTimeline_clearsVisibleAndBackedMessages() async {
let (viewModel, _) = makeTestableViewModel()
viewModel.addPublicSystemMessage("system clear test")
#expect(!viewModel.messages.isEmpty)
viewModel.clearCurrentPublicTimeline()
viewModel.refreshVisibleMessages(from: .mesh)
#expect(viewModel.messages.isEmpty)
#expect(viewModel.publicMessages(for: .mesh).isEmpty)
}
@Test @MainActor
func queuedGeohashSystemMessages_drainOnce() async {
let (viewModel, _) = makeTestableViewModel()
viewModel.queueGeohashSystemMessage("first")
viewModel.queueGeohashSystemMessage("second")
#expect(viewModel.drainPendingGeohashSystemMessages() == ["first", "second"])
#expect(viewModel.drainPendingGeohashSystemMessages().isEmpty)
}
}
// MARK: - Peer Connection Tests
struct ChatViewModelPeerTests {
@Test @MainActor
func typedPeerLifecycleEvents_applyBeforeReturning() {
let (viewModel, _) = makeTestableViewModel()
let peerID = PeerID(str: "1122334455667788")
let incoming = BitchatMessage(
id: "typed-peer-incoming",
sender: "Alice",
content: "Hello",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
viewModel.seedPrivateChat([incoming], for: peerID)
viewModel.sentReadReceipts.insert(incoming.id)
viewModel.didReceiveTransportEvent(.peerConnected(peerID))
#expect(viewModel.isConnected)
viewModel.didReceiveTransportEvent(.peerDisconnected(peerID))
#expect(!viewModel.sentReadReceipts.contains(incoming.id))
}
@Test @MainActor
func typedPeerListDeliveryAndBluetoothEvents_applyBeforeReturning() {
let (viewModel, transport) = makeTestableViewModel()
let stalePeer = PeerID(str: "00000000000000a2")
let deliveryPeer = PeerID(str: "0102030405060708")
let messageID = "typed-delivery-status"
let delivered = DeliveryStatus.delivered(
to: "Alice",
at: Date(timeIntervalSince1970: 1_234)
)
let outgoing = BitchatMessage(
id: messageID,
sender: viewModel.nickname,
content: "On the way",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: "Alice",
senderPeerID: transport.myPeerID,
deliveryStatus: .sent
)
viewModel.markPrivateChatUnread(stalePeer)
viewModel.seedPrivateChat([outgoing], for: deliveryPeer)
viewModel.didReceiveTransportEvent(.peerListUpdated([]))
#expect(!viewModel.unreadPrivateMessages.contains(stalePeer))
viewModel.didReceiveTransportEvent(
.messageDeliveryStatusUpdated(
messageID: messageID,
status: delivered
)
)
#expect(
viewModel.privateMessages(for: deliveryPeer).first?.deliveryStatus
== delivered
)
viewModel.didReceiveTransportEvent(.bluetoothStateUpdated(.poweredOff))
#expect(viewModel.bluetoothState == .poweredOff)
#expect(viewModel.showBluetoothAlert)
// Snapshot events belong to TransportPeerEventsDelegate and are
// intentionally ignored at this typed sink.
viewModel.didReceiveTransportEvent(.peerSnapshotsUpdated([]))
#expect(viewModel.bluetoothState == .poweredOff)
}
@Test @MainActor
func didConnectToPeer_notifiesDelegate() async {
let (_, transport) = makeTestableViewModel()
let peerID = PeerID(str: "NEWPEER")
transport.simulateConnect(peerID, nickname: "NewUser")
#expect(transport.connectedPeers.contains(peerID))
}
@Test @MainActor
func didDisconnectFromPeer_notifiesDelegate() async {
let (_, transport) = makeTestableViewModel()
let peerID = PeerID(str: "OLDPEER")
transport.simulateConnect(peerID, nickname: "OldUser")
transport.simulateDisconnect(peerID)
#expect(!transport.connectedPeers.contains(peerID))
}
@Test @MainActor
func isPeerConnected_delegatesToTransport() async {
let (_, transport) = makeTestableViewModel()
let peerID = PeerID(str: "TESTPEER")
// Not connected initially
#expect(!transport.isPeerConnected(peerID))
transport.connectedPeers.insert(peerID)
#expect(transport.isPeerConnected(peerID))
}
@Test @MainActor
func didUpdatePeerList_removesStaleUnreadPeerWithoutMessages() async {
let (viewModel, _) = makeTestableViewModel()
let stalePeer = PeerID(str: "00000000000000a2")
viewModel.markPrivateChatUnread(stalePeer)
viewModel.didUpdatePeerList([])
let cleaned = await TestHelpers.waitUntil({
!viewModel.unreadPrivateMessages.contains(stalePeer)
}, timeout: TestConstants.defaultTimeout)
#expect(cleaned)
}
@Test @MainActor
func didUpdatePeerList_preservesStableUnreadPeerWhenMessagesExist() async {
let (viewModel, _) = makeTestableViewModel()
let stablePeer = PeerID(str: String(repeating: "a", count: 64))
let message = BitchatMessage(
id: "stable-noise-1",
sender: "Alice",
content: "Offline hello",
timestamp: Date(),
isRelay: false,
originalSender: nil,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: stablePeer,
mentions: nil
)
viewModel.seedPrivateChat([message], for: stablePeer)
viewModel.markPrivateChatUnread(stablePeer)
viewModel.didUpdatePeerList([])
try? await Task.sleep(nanoseconds: 100_000_000)
#expect(viewModel.unreadPrivateMessages.contains(stablePeer))
}
}
// MARK: - Deduplication Integration Tests
//
// Note: Detailed deduplication logic is tested in MessageDeduplicationServiceTests.
// These tests verify that ChatViewModel has a deduplication service configured.
struct ChatViewModelDeduplicationTests {
@Test @MainActor
func deduplicationService_isConfigured() async {
let (viewModel, _) = makeTestableViewModel()
// Verify the deduplication service is available and functional
// by checking that we can record and query content
let testContent = "Test dedup content \(UUID().uuidString)"
let testDate = Date()
viewModel.deduplicationService.recordContent(testContent, timestamp: testDate)
let retrieved = viewModel.deduplicationService.contentTimestamp(for: testContent)
#expect(retrieved == testDate)
}
@Test @MainActor
func deduplicationService_normalizedKey_consistent() async {
let (viewModel, _) = makeTestableViewModel()
let content = "Hello World"
let key1 = viewModel.deduplicationService.normalizedContentKey(content)
let key2 = viewModel.deduplicationService.normalizedContentKey(content)
#expect(key1 == key2)
}
}
// MARK: - Private Chat Tests
struct ChatViewModelPrivateChatTests {
@Test @MainActor
func sendPrivateMessage_delegatesToTransport() async {
let (viewModel, transport) = makeTestableViewModel()
let recipientID = PeerID(str: "RECIPIENT")
// Set up connected peer for routing
transport.connectedPeers.insert(recipientID)
transport.peerNicknames[recipientID] = "Recipient"
viewModel.sendPrivateMessage("Secret message", to: recipientID)
// The message routing depends on connection state and other factors
// At minimum, it should not crash
#expect(Bool(true)) // If we get here without crash, the test passes
}
}
// MARK: - Private Chat Selection Tests
struct ChatViewModelPrivateChatSelectionTests {
@Test @MainActor
func openMostRelevantPrivateChat_prefersUnreadMostRecent() async {
let (viewModel, _) = makeTestableViewModel()
let peerA = PeerID(str: "PEER_A")
let peerB = PeerID(str: "PEER_B")
let older = Date().addingTimeInterval(-120)
let newer = Date().addingTimeInterval(-30)
viewModel.seedPrivateChat([
BitchatMessage(
id: "a-1",
sender: "A",
content: "Old",
timestamp: older,
isRelay: false,
isPrivate: true,
recipientNickname: "Me",
senderPeerID: peerA
)
], for: peerA)
viewModel.seedPrivateChat([
BitchatMessage(
id: "b-1",
sender: "B",
content: "New",
timestamp: newer,
isRelay: false,
isPrivate: true,
recipientNickname: "Me",
senderPeerID: peerB
)
], for: peerB)
viewModel.markPrivateChatUnread(peerA)
viewModel.markPrivateChatUnread(peerB)
viewModel.openMostRelevantPrivateChat()
#expect(viewModel.selectedPrivateChatPeer == peerB)
}
@Test @MainActor
func openMostRelevantPrivateChat_fallsBackToMostRecentChat() async {
let (viewModel, _) = makeTestableViewModel()
let peerA = PeerID(str: "PEER_A")
let peerB = PeerID(str: "PEER_B")
let older = Date().addingTimeInterval(-200)
let newer = Date().addingTimeInterval(-20)
viewModel.seedPrivateChat([
BitchatMessage(
id: "a-1",
sender: "A",
content: "Old",
timestamp: older,
isRelay: false,
isPrivate: true,
recipientNickname: "Me",
senderPeerID: peerA
)
], for: peerA)
viewModel.seedPrivateChat([
BitchatMessage(
id: "b-1",
sender: "B",
content: "New",
timestamp: newer,
isRelay: false,
isPrivate: true,
recipientNickname: "Me",
senderPeerID: peerB
)
], for: peerB)
viewModel.openMostRelevantPrivateChat()
#expect(viewModel.selectedPrivateChatPeer == peerB)
}
}
// MARK: - Bluetooth State Tests
struct ChatViewModelBluetoothTests {
@Test @MainActor
func didUpdateBluetoothState_poweredOn_noAlert() async {
let (viewModel, transport) = makeTestableViewModel()
transport.simulateBluetoothStateChange(.poweredOn)
// Give time for async processing
try? await Task.sleep(nanoseconds: 100_000_000)
#expect(!viewModel.showBluetoothAlert)
}
@Test @MainActor
func didUpdateBluetoothState_poweredOff_showsAlert() async {
let (viewModel, transport) = makeTestableViewModel()
transport.simulateBluetoothStateChange(.poweredOff)
// Give time for async processing
try? await Task.sleep(nanoseconds: 100_000_000)
#expect(viewModel.showBluetoothAlert)
}
@Test @MainActor
func didUpdateBluetoothState_unauthorized_showsAlert() async {
let (viewModel, transport) = makeTestableViewModel()
transport.simulateBluetoothStateChange(.unauthorized)
// Give time for async processing
try? await Task.sleep(nanoseconds: 100_000_000)
#expect(viewModel.showBluetoothAlert)
}
}
// MARK: - Private Media Deletion Tests
struct ChatViewModelPrivateMediaDeletionTests {
@Test @MainActor
func deleteMediaMessageTombstonesIncomingButNotOutgoingStableMedia() {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: String(repeating: "8", count: 64))
let incomingID = "media-\(String(repeating: "e", count: 32))"
let outgoingID = "media-\(String(repeating: "f", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: incomingID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: "incoming.jpg"
),
privateMediaMessage(
id: outgoingID,
sender: viewModel.nickname,
senderPeerID: transport.myPeerID,
recipient: "Peer",
filename: "outgoing.jpg"
)
], for: peerID)
viewModel.deleteMediaMessage(messageID: outgoingID)
#expect(transport.deletedPrivateMediaMessageIDBatches.isEmpty)
#expect(viewModel.privateChats[peerID]?.map(\.id) == [incomingID])
viewModel.deleteMediaMessage(messageID: incomingID)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[incomingID]]
)
#expect(
transport.deletedPrivateMediaRelativePaths
== [[incomingID: "images/incoming/incoming.jpg"]]
)
#expect((viewModel.privateChats[peerID] ?? []).isEmpty)
}
@Test @MainActor
func stableDeleteProtectsPathSharedWithLegacyBubble() {
let (viewModel, transport) = makeTestableViewModel()
transport.persistDeletedPrivateMediaResult = false
let peerID = PeerID(str: String(repeating: "6", count: 64))
let stableID = "media-\(String(repeating: "5", count: 32))"
let legacyID = UUID().uuidString
let filename = "shared-migration.jpg"
viewModel.seedPrivateChat([
privateMediaMessage(
id: stableID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: filename
),
privateMediaMessage(
id: legacyID,
sender: "Old client",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: filename
)
], for: peerID)
viewModel.deleteMediaMessage(messageID: stableID)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[stableID]]
)
#expect(transport.deletedPrivateMediaRelativePaths == [[:]])
#expect(
transport.protectedPrivateMediaRelativePaths == [[
"images/incoming/\(filename)"
]]
)
#expect(
viewModel.privateChats[peerID]?.map(\.id)
== [stableID, legacyID]
)
}
@Test @MainActor
func legacyIncomingDeleteLeavesAmbiguousPayloadForQuota() throws {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: String(repeating: "3", count: 64))
let incoming = try FileManager.default.url(
for: .applicationSupportDirectory,
in: .userDomainMask,
appropriateFor: nil,
create: true
)
.appendingPathComponent(
"files/images/incoming",
isDirectory: true
)
try FileManager.default.createDirectory(
at: incoming,
withIntermediateDirectories: true
)
let payload = incoming.appendingPathComponent(
"legacy-delete-\(UUID().uuidString).jpg"
)
try Data([0x01]).write(to: payload)
defer { try? FileManager.default.removeItem(at: payload) }
let legacyID = UUID().uuidString
viewModel.seedPrivateChat([
privateMediaMessage(
id: legacyID,
sender: "Old client",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: payload.lastPathComponent
)
], for: peerID)
viewModel.deleteMediaMessage(messageID: legacyID)
#expect(transport.deletedPrivateMediaMessageIDBatches.isEmpty)
#expect((viewModel.privateChats[peerID] ?? []).isEmpty)
#expect(FileManager.default.fileExists(atPath: payload.path))
}
@Test @MainActor
func clearPrivateChatTombstonesIncomingAndCancelsOutgoingBeforeClear() {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: String(repeating: "1", count: 64))
let incomingID = "media-\(String(repeating: "a", count: 32))"
let outgoingID = "media-\(String(repeating: "b", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: incomingID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: "incoming.jpg"
),
privateMediaMessage(
id: outgoingID,
sender: viewModel.nickname,
senderPeerID: transport.myPeerID,
recipient: "Peer",
filename: "outgoing.jpg"
),
BitchatMessage(
id: "ordinary-message",
sender: "Peer",
content: "hello",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
], for: peerID)
viewModel.registerTransfer(
transferId: "outgoing-clear-transfer",
messageID: outgoingID
)
viewModel.clearPrivateChat(peerID)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[incomingID]]
)
#expect(
transport.deletedPrivateMediaRelativePaths
== [[incomingID: "images/incoming/incoming.jpg"]]
)
#expect(
transport.cancelledTransfers == ["outgoing-clear-transfer"]
)
#expect(viewModel.messageIDToTransferId[outgoingID] == nil)
#expect(viewModel.privateChats[peerID]?.isEmpty == true)
}
@Test @MainActor
func clearPrivateChatPreservesCapturedMessagesWhenTombstoneFails() {
let (viewModel, transport) = makeTestableViewModel()
transport.persistDeletedPrivateMediaResult = false
let peerID = PeerID(str: String(repeating: "2", count: 64))
let incomingID = "media-\(String(repeating: "c", count: 32))"
let outgoingID = "media-\(String(repeating: "7", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: incomingID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: "incoming.jpg"
),
privateMediaMessage(
id: outgoingID,
sender: viewModel.nickname,
senderPeerID: transport.myPeerID,
recipient: "Peer",
filename: "outgoing.jpg"
),
BitchatMessage(
id: "ordinary-message",
sender: "Peer",
content: "keep me on failure",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
], for: peerID)
viewModel.registerTransfer(
transferId: "failed-clear-outgoing",
messageID: outgoingID
)
viewModel.clearPrivateChat(peerID)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[incomingID]]
)
#expect(
viewModel.privateChats[peerID]?.map(\.id)
== [incomingID, outgoingID, "ordinary-message"]
)
#expect(transport.cancelledTransfers == ["failed-clear-outgoing"])
#expect(viewModel.messageIDToTransferId[outgoingID] == nil)
}
@Test @MainActor
func clearFailurePreservesSameNameIncomingPayload() throws {
let (viewModel, transport) = makeTestableViewModel()
transport.persistDeletedPrivateMediaResult = false
let peerID = PeerID(str: String(repeating: "7", count: 64))
let incomingID = "media-\(String(repeating: "8", count: 32))"
let outgoingID = "media-\(String(repeating: "9", count: 32))"
let filename = "clear-collision-\(UUID().uuidString).jpg"
let filesDirectory = try FileManager.default.url(
for: .applicationSupportDirectory,
in: .userDomainMask,
appropriateFor: nil,
create: true
)
.appendingPathComponent("files/images", isDirectory: true)
let incomingDirectory = filesDirectory.appendingPathComponent(
"incoming",
isDirectory: true
)
let outgoingDirectory = filesDirectory.appendingPathComponent(
"outgoing",
isDirectory: true
)
try FileManager.default.createDirectory(
at: incomingDirectory,
withIntermediateDirectories: true
)
try FileManager.default.createDirectory(
at: outgoingDirectory,
withIntermediateDirectories: true
)
let incomingURL = incomingDirectory.appendingPathComponent(filename)
let outgoingURL = outgoingDirectory.appendingPathComponent(filename)
try Data("incoming".utf8).write(to: incomingURL, options: .atomic)
try Data("outgoing".utf8).write(to: outgoingURL, options: .atomic)
defer {
try? FileManager.default.removeItem(at: incomingURL)
try? FileManager.default.removeItem(at: outgoingURL)
}
viewModel.seedPrivateChat([
privateMediaMessage(
id: incomingID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: filename
),
privateMediaMessage(
id: outgoingID,
sender: viewModel.nickname,
senderPeerID: transport.myPeerID,
recipient: "Peer",
filename: filename
)
], for: peerID)
viewModel.clearPrivateChat(peerID)
#expect(FileManager.default.fileExists(atPath: incomingURL.path))
#expect(FileManager.default.fileExists(atPath: outgoingURL.path))
#expect(
transport.deletedPrivateMediaRelativePaths
== [[incomingID: "images/incoming/\(filename)"]]
)
#expect(
viewModel.privateChats[peerID]?.map(\.id)
== [incomingID, outgoingID]
)
}
@Test @MainActor
func clearPrivateChatPreservesArrivalDuringTombstoneIO() {
let (viewModel, transport) = makeTestableViewModel()
transport.deferDeletedPrivateMediaPersistence = true
let peerID = PeerID(str: String(repeating: "3", count: 64))
let incomingID = "media-\(String(repeating: "d", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: incomingID,
sender: "Peer",
senderPeerID: peerID,
recipient: viewModel.nickname,
filename: "incoming.jpg"
),
BitchatMessage(
id: "captured-text",
sender: "Peer",
content: "old",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
], for: peerID)
viewModel.clearPrivateChat(peerID)
let arrival = BitchatMessage(
id: "concurrent-arrival",
sender: "Peer",
content: "new",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
#expect(viewModel.appendPrivateMessage(arrival, to: peerID))
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect(
viewModel.privateChats[peerID]?.map(\.id)
== ["concurrent-arrival"]
)
}
@Test @MainActor
func clearPrivateChatPreservesActiveLiveVoiceAssembly() throws {
let (viewModel, transport) = makeTestableViewModel()
let peerID = PeerID(str: String(repeating: "7", count: 64))
viewModel.selectedPrivateChatPeer = peerID
let burstID = Data(
repeating: 0xE1,
count: VoiceBurstPacket.burstIDSize
)
let start = try #require(VoiceBurstPacket(
burstID: burstID,
seq: 0,
kind: .start(codec: .aacLC16kMono)
))
let cancel = try #require(VoiceBurstPacket(
burstID: burstID,
seq: 1,
kind: .canceled
))
let coordinator = viewModel.liveVoiceCoordinator
defer {
coordinator.handleVoiceFramePayload(
from: peerID,
payload: cancel.encode(),
timestamp: Date()
)
}
coordinator.handleVoiceFramePayload(
from: peerID,
payload: start.encode(),
timestamp: Date()
)
let liveMessage = try #require(
viewModel.privateChats[peerID]?.first
)
#expect(coordinator.isLiveVoiceMessage(liveMessage))
let ordinary = BitchatMessage(
id: "clear-around-live-voice",
sender: "Peer",
content: "old text",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: peerID
)
#expect(viewModel.appendPrivateMessage(ordinary, to: peerID))
viewModel.clearPrivateChat(peerID)
#expect(transport.deletedPrivateMediaMessageIDBatches.isEmpty)
#expect(
viewModel.privateChats[peerID]?.map(\.id)
== [liveMessage.id]
)
#expect(coordinator.isLiveVoiceMessage(liveMessage))
}
@Test @MainActor
func overlappingClearsTombstoneTheLastMirroredStableAlias() {
let (viewModel, transport) = makeTestableViewModel()
transport.deferDeletedPrivateMediaPersistence = true
let firstPeerID = PeerID(str: String(repeating: "b", count: 64))
let secondPeerID = PeerID(str: String(repeating: "c", count: 64))
let sharedID = "media-\(String(repeating: "1", count: 32))"
let firstUniqueID = "media-\(String(repeating: "2", count: 32))"
let secondUniqueID = "media-\(String(repeating: "3", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: sharedID,
sender: "Peer",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: "shared.jpg"
),
privateMediaMessage(
id: firstUniqueID,
sender: "Peer",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: "first.jpg"
)
], for: firstPeerID)
viewModel.seedPrivateChat([
privateMediaMessage(
id: sharedID,
sender: "Peer",
senderPeerID: secondPeerID,
recipient: viewModel.nickname,
filename: "shared.jpg"
),
privateMediaMessage(
id: secondUniqueID,
sender: "Peer",
senderPeerID: secondPeerID,
recipient: viewModel.nickname,
filename: "second.jpg"
)
], for: secondPeerID)
viewModel.clearPrivateChat(firstPeerID)
viewModel.clearPrivateChat(secondPeerID)
let queuedArrival = BitchatMessage(
id: "arrival-after-queued-clear",
sender: "Peer",
content: "new",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: secondPeerID
)
#expect(viewModel.appendPrivateMessage(
queuedArrival,
to: secondPeerID
))
#expect(
transport.deletedPrivateMediaMessageIDBatches
== [[firstUniqueID]]
)
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [
[firstUniqueID],
[secondUniqueID, sharedID].sorted()
]
)
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect((viewModel.privateChats[firstPeerID] ?? []).isEmpty)
#expect(
viewModel.privateChats[secondPeerID]?.map(\.id)
== ["arrival-after-queued-clear"]
)
}
@Test @MainActor
func clearFollowsCapturedRowsAcrossPeerIdentityMigration() {
let (viewModel, transport) = makeTestableViewModel()
transport.deferDeletedPrivateMediaPersistence = true
let sourcePeerID = PeerID(str: String(repeating: "d", count: 64))
let destinationPeerID = PeerID(str: String(repeating: "e", count: 64))
let thirdPeerID = PeerID(str: String(repeating: "f", count: 64))
let stableID = "media-\(String(repeating: "4", count: 32))"
viewModel.selectedPrivateChatPeer = sourcePeerID
viewModel.seedPrivateChat([
privateMediaMessage(
id: stableID,
sender: "Peer",
senderPeerID: sourcePeerID,
recipient: viewModel.nickname,
filename: "migrated.jpg"
),
BitchatMessage(
id: "captured-before-migration",
sender: "Peer",
content: "old",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: sourcePeerID
)
], for: sourcePeerID)
viewModel.clearPrivateChat(sourcePeerID)
viewModel.migratePrivateChat(
from: sourcePeerID,
to: destinationPeerID
)
viewModel.selectedPrivateChatPeer = thirdPeerID
let arrival = BitchatMessage(
id: "arrival-after-migration",
sender: "Peer",
content: "new",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: destinationPeerID
)
#expect(viewModel.appendPrivateMessage(
arrival,
to: destinationPeerID
))
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect(
viewModel.privateChats[destinationPeerID]?.map(\.id)
== ["arrival-after-migration"]
)
}
@Test @MainActor
func clearFollowsMigrationWhenOldSourceIsRecreated() {
let (viewModel, transport) = makeTestableViewModel()
transport.deferDeletedPrivateMediaPersistence = true
let sourcePeerID = PeerID(str: String(repeating: "1", count: 64))
let destinationPeerID = PeerID(str: String(repeating: "2", count: 64))
let stableID = "media-\(String(repeating: "6", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: stableID,
sender: "Peer",
senderPeerID: sourcePeerID,
recipient: viewModel.nickname,
filename: "migrated-recreated.jpg"
),
BitchatMessage(
id: "captured-before-recreation",
sender: "Peer",
content: "old",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: sourcePeerID
)
], for: sourcePeerID)
viewModel.clearPrivateChat(sourcePeerID)
viewModel.migratePrivateChat(
from: sourcePeerID,
to: destinationPeerID
)
let recreatedArrival = BitchatMessage(
id: "arrival-recreating-source",
sender: "Peer",
content: "new",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: viewModel.nickname,
senderPeerID: sourcePeerID
)
#expect(viewModel.appendPrivateMessage(
recreatedArrival,
to: sourcePeerID
))
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect(
(viewModel.privateChats[destinationPeerID] ?? []).isEmpty
)
#expect(
viewModel.privateChats[sourcePeerID]?.map(\.id)
== ["arrival-recreating-source"]
)
}
@Test @MainActor
func clearPrivateChatKeepsMediaReferencedByAnotherConversation() {
let (viewModel, transport) = makeTestableViewModel()
let firstPeerID = PeerID(str: String(repeating: "4", count: 64))
let aliasPeerID = PeerID(str: String(repeating: "5", count: 64))
let messageID = "media-\(String(repeating: "6", count: 32))"
let message = privateMediaMessage(
id: messageID,
sender: "Peer",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: "mirrored.jpg"
)
viewModel.seedPrivateChat([message], for: firstPeerID)
viewModel.seedPrivateChat([message], for: aliasPeerID)
viewModel.clearPrivateChat(firstPeerID)
#expect(transport.deletedPrivateMediaMessageIDBatches.isEmpty)
#expect(viewModel.privateChats[firstPeerID]?.isEmpty == true)
#expect(
viewModel.privateChats[aliasPeerID]?.map(\.id) == [messageID]
)
}
@Test @MainActor
func clearPrivateChatLeavesAmbiguousLegacyFileForQuotaCleanup()
throws {
let (viewModel, transport) = makeTestableViewModel()
let firstPeerID = PeerID(str: String(repeating: "9", count: 64))
let aliasPeerID = PeerID(str: String(repeating: "a", count: 64))
let incomingDirectory = try FileManager.default.url(
for: .applicationSupportDirectory,
in: .userDomainMask,
appropriateFor: nil,
create: true
)
.appendingPathComponent("files/images/incoming", isDirectory: true)
try FileManager.default.createDirectory(
at: incomingDirectory,
withIntermediateDirectories: true
)
let fileURL = incomingDirectory.appendingPathComponent(
"legacy-clear-\(UUID().uuidString).jpg"
)
try Data("legacy-image".utf8).write(to: fileURL, options: .atomic)
defer { try? FileManager.default.removeItem(at: fileURL) }
let message = privateMediaMessage(
id: UUID().uuidString,
sender: "Old client",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: fileURL.lastPathComponent
)
viewModel.seedPrivateChat([message], for: firstPeerID)
viewModel.seedPrivateChat([message], for: aliasPeerID)
viewModel.clearPrivateChat(firstPeerID)
#expect(transport.deletedPrivateMediaMessageIDBatches.isEmpty)
#expect(FileManager.default.fileExists(atPath: fileURL.path))
#expect(viewModel.privateChats[aliasPeerID]?.map(\.id) == [message.id])
viewModel.clearPrivateChat(aliasPeerID)
#expect(FileManager.default.fileExists(atPath: fileURL.path))
#expect((viewModel.privateChats[aliasPeerID] ?? []).isEmpty)
}
@Test @MainActor
func panicInvalidatesActiveAndQueuedPrivateChatClears() {
let (viewModel, transport) = makeTestableViewModel()
transport.deferDeletedPrivateMediaPersistence = true
let firstPeerID = PeerID(str: String(repeating: "4", count: 64))
let secondPeerID = PeerID(str: String(repeating: "5", count: 64))
let firstID = "media-\(String(repeating: "6", count: 32))"
let secondID = "media-\(String(repeating: "7", count: 32))"
viewModel.seedPrivateChat([
privateMediaMessage(
id: firstID,
sender: "First",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: "first-pre-panic.jpg"
)
], for: firstPeerID)
viewModel.seedPrivateChat([
privateMediaMessage(
id: secondID,
sender: "Second",
senderPeerID: secondPeerID,
recipient: viewModel.nickname,
filename: "second-pre-panic.jpg"
)
], for: secondPeerID)
viewModel.clearPrivateChat(firstPeerID)
viewModel.clearPrivateChat(secondPeerID)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[firstID]]
)
_ = viewModel.panicClearAllData(restartServices: false)
viewModel.seedPrivateChat([
privateMediaMessage(
id: firstID,
sender: "First",
senderPeerID: firstPeerID,
recipient: viewModel.nickname,
filename: "first-post-panic.jpg"
)
], for: firstPeerID)
viewModel.seedPrivateChat([
privateMediaMessage(
id: secondID,
sender: "Second",
senderPeerID: secondPeerID,
recipient: viewModel.nickname,
filename: "second-post-panic.jpg"
)
], for: secondPeerID)
transport.resolveNextDeletedPrivateMediaPersistence(true)
#expect(
transport.deletedPrivateMediaMessageIDBatches == [[firstID]]
)
#expect(viewModel.privateChats[firstPeerID]?.map(\.id) == [firstID])
#expect(viewModel.privateChats[secondPeerID]?.map(\.id) == [secondID])
}
private func privateMediaMessage(
id: String,
sender: String,
senderPeerID: PeerID,
recipient: String,
filename: String
) -> BitchatMessage {
BitchatMessage(
id: id,
sender: sender,
content: "\(MimeType.Category.image.messagePrefix)\(filename)",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: recipient,
senderPeerID: senderPeerID
)
}
}
// MARK: - Panic Clear Tests
struct ChatViewModelPanicTests {
@Test @MainActor
func panicClearAllData_finishesMediaWipeBeforeReturning() {
var wipeFinished = false
let (viewModel, _) = makeTestableViewModel(panicMediaWipe: {
wipeFinished = true
})
viewModel.panicClearAllData()
#expect(wipeFinished)
}
@Test @MainActor
func panicClearAllData_stopsNetworkBeforeWipeAndRestartsAfterCommit() {
var events: [String] = []
let lifecycle = PanicNetworkLifecycle(
stop: { events.append("stop") },
restart: { events.append("restart") }
)
let (viewModel, _) = makeTestableViewModel(
panicMediaWipe: { events.append("wipe") },
panicNetworkLifecycle: lifecycle
)
let completed = viewModel.panicClearAllData()
#expect(completed)
#expect(events == ["stop", "wipe", "restart"])
#expect(viewModel.networkActivationAllowed)
}
@Test @MainActor
func panicKeychainFailureKeepsRecoveryPendingAndServicesStopped() {
let keychain = MockKeychain()
keychain.simulatedDeleteAllResult = false
var events: [String] = []
let operations = PanicRecoveryOperations(
isPending: { false },
begin: {
events.append("begin")
return PanicRecoveryIntent(
fileMarkerEstablished: true,
externalMarkerEstablished: false
)
},
wipeMedia: { _ in events.append("wipe") },
complete: { events.append("complete") }
)
let lifecycle = PanicNetworkLifecycle(
stop: { events.append("stop") },
restart: { events.append("restart") }
)
let (viewModel, transport) = makeTestableViewModel(
keychain: keychain,
panicRecoveryOperations: operations,
panicNetworkLifecycle: lifecycle
)
let startsBeforePanic = transport.startServicesCallCount
let completed = viewModel.panicClearAllData()
#expect(!completed)
#expect(events == ["stop", "begin", "wipe"])
#expect(keychain.deleteAllCallCount == 1)
#expect(transport.startServicesCallCount == startsBeforePanic)
#expect(!viewModel.networkActivationAllowed)
}
@Test @MainActor
func pendingPanicRecoveryCompletesBeforeTransportBootstrap() {
var events: [String] = []
let operations = PanicRecoveryOperations(
isPending: {
events.append("read")
return true
},
begin: {
events.append("begin")
return PanicRecoveryIntent(
fileMarkerEstablished: true,
externalMarkerEstablished: false
)
},
wipeMedia: { _ in events.append("wipe") },
complete: { events.append("complete") }
)
let (viewModel, transport) = makeTestableViewModel(
panicRecoveryOperations: operations
)
#expect(events == ["read", "begin", "wipe", "complete"])
#expect(transport.emergencyDisconnectCallCount == 1)
#expect(transport.startServicesCallCount == 1)
#expect(viewModel.networkActivationAllowed)
}
@Test @MainActor
func failedStartupRecoveryLeavesTransportAndNetworkBlocked() {
enum WipeFailure: Error { case failed }
var completedMarker = false
let operations = PanicRecoveryOperations(
isPending: { true },
begin: {
PanicRecoveryIntent(
fileMarkerEstablished: true,
externalMarkerEstablished: false
)
},
wipeMedia: { _ in throw WipeFailure.failed },
complete: { completedMarker = true }
)
let (viewModel, transport) = makeTestableViewModel(
panicRecoveryOperations: operations
)
#expect(!completedMarker)
#expect(transport.emergencyDisconnectCallCount == 1)
#expect(transport.startServicesCallCount == 0)
#expect(!viewModel.networkActivationAllowed)
}
@Test @MainActor
func failedStartupKeychainRecoveryLeavesIntentAndTransportBlocked() {
let keychain = MockKeychain()
keychain.simulatedDeleteAllResult = false
var events: [String] = []
let operations = PanicRecoveryOperations(
isPending: { true },
begin: {
events.append("begin")
return PanicRecoveryIntent(
fileMarkerEstablished: true,
externalMarkerEstablished: true
)
},
wipeMedia: { _ in events.append("wipe") },
complete: { events.append("complete") }
)
let (viewModel, transport) = makeTestableViewModel(
keychain: keychain,
panicRecoveryOperations: operations
)
#expect(events == ["begin", "wipe"])
#expect(keychain.deleteAllCallCount == 1)
#expect(transport.emergencyDisconnectCallCount == 1)
#expect(transport.startServicesCallCount == 0)
#expect(!viewModel.networkActivationAllowed)
}
@Test @MainActor
func panicClearAllData_delegatesToTransport() async {
let (viewModel, transport) = makeTestableViewModel()
// Set up some state
transport.connectedPeers.insert(PeerID(str: "PEER1"))
viewModel.seedPublicMessages([
BitchatMessage(
id: "panic-1",
sender: "Tester",
content: "Before",
timestamp: Date(),
isRelay: false
)
])
viewModel.seedPrivateChat([
BitchatMessage(
id: "pm-1",
sender: "Peer",
content: "Secret",
timestamp: Date(),
isRelay: false,
isPrivate: true,
recipientNickname: "Me",
senderPeerID: PeerID(str: "PEER1")
)
], for: PeerID(str: "PEER1"))
viewModel.markPrivateChatUnread(PeerID(str: "PEER1"))
viewModel.panicClearAllData()
// After panic, emergency disconnect should be called
#expect(transport.emergencyDisconnectCallCount == 1)
#expect(viewModel.messages.isEmpty)
#expect(viewModel.privateChats.isEmpty)
#expect(viewModel.unreadPrivateMessages.isEmpty)
#expect(viewModel.selectedPrivateChatPeer == nil)
}
@Test @MainActor
func panicClearAllData_resetsLiveGeohashAndNostrState() async throws {
let (viewModel, _) = makeTestableViewModel()
let geohash = "u4pruy"
let channel = GeohashChannel(level: .city, geohash: geohash)
let identity = try NostrIdentity.generate()
let pubkey = String(repeating: "ab", count: 32)
let peerID = PeerID(nostr: pubkey)
viewModel.activeChannel = .location(channel)
viewModel.setGeoChatSubscriptionID("geo-\(geohash)")
viewModel.setGeoDmSubscriptionID("geo-dm-\(geohash)")
viewModel.addGeoSamplingSub("geo-sample-\(geohash)", forGeohash: geohash)
viewModel.cachedGeohashIdentity = (geohash, identity)
viewModel.registerNostrKeyMapping(pubkey, for: peerID)
viewModel.currentGeohash = geohash
viewModel.geoNicknames = [pubkey: "alice"]
viewModel.teleportedGeo = [pubkey]
viewModel.panicClearAllData()
#expect(viewModel.activeChannel == .mesh)
#expect(viewModel.geoSubscriptionID == nil)
#expect(viewModel.geoDmSubscriptionID == nil)
#expect(viewModel.geoSamplingSubs.isEmpty)
#expect(viewModel.cachedGeohashIdentity == nil)
#expect(viewModel.nostrKeyMapping.isEmpty)
#expect(viewModel.currentGeohash == nil)
#expect(viewModel.geoNicknames.isEmpty)
#expect(viewModel.teleportedGeo.isEmpty)
}
}
// MARK: - Service Lifecycle Tests
struct ChatViewModelLifecycleTests {
@Test @MainActor
func startServices_calledOnInit() async {
let (_, transport) = makeTestableViewModel()
#expect(transport.startServicesCallCount == 1)
}
}