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import Foundation
import Testing
@testable import OpenClawChatUI
private struct TimeoutError: Error, CustomStringConvertible {
let label: String
var description: String { "Timeout waiting for: \(self.label)" }
}
private func waitUntil(
_ label: String,
timeoutSeconds: Double = 2.0,
pollMs: UInt64 = 10,
_ condition: @escaping @Sendable () async -> Bool) async throws
{
let deadline = Date().addingTimeInterval(timeoutSeconds)
while Date() < deadline {
if await condition() {
return
}
try await Task.sleep(nanoseconds: pollMs * 1_000_000)
}
throw TimeoutError(label: label)
}
private actor TestChatTransportState {
var historyCallCount: Int = 0
var sessionsCallCount: Int = 0
var sentRunIds: [String] = []
var abortedRunIds: [String] = []
}
private final class TestChatTransport: @unchecked Sendable, OpenClawChatTransport {
private let state = TestChatTransportState()
private let historyResponses: [OpenClawChatHistoryPayload]
private let sessionsResponses: [OpenClawChatSessionsListResponse]
private let stream: AsyncStream<OpenClawChatTransportEvent>
private let continuation: AsyncStream<OpenClawChatTransportEvent>.Continuation
init(
historyResponses: [OpenClawChatHistoryPayload],
sessionsResponses: [OpenClawChatSessionsListResponse] = [])
{
self.historyResponses = historyResponses
self.sessionsResponses = sessionsResponses
var cont: AsyncStream<OpenClawChatTransportEvent>.Continuation!
self.stream = AsyncStream { c in
cont = c
}
self.continuation = cont
}
func events() -> AsyncStream<OpenClawChatTransportEvent> {
self.stream
}
func setActiveSessionKey(_: String) async throws {}
func requestHistory(sessionKey: String) async throws -> OpenClawChatHistoryPayload {
let idx = await self.state.historyCallCount
await self.state.setHistoryCallCount(idx + 1)
if idx < self.historyResponses.count {
return self.historyResponses[idx]
}
return self.historyResponses.last ?? OpenClawChatHistoryPayload(
sessionKey: sessionKey,
sessionId: nil,
messages: [],
thinkingLevel: "off")
}
func sendMessage(
sessionKey _: String,
message _: String,
thinking _: String,
idempotencyKey: String,
attachments _: [OpenClawChatAttachmentPayload]) async throws -> OpenClawChatSendResponse
{
await self.state.sentRunIdsAppend(idempotencyKey)
return OpenClawChatSendResponse(runId: idempotencyKey, status: "ok")
}
func abortRun(sessionKey _: String, runId: String) async throws {
await self.state.abortedRunIdsAppend(runId)
}
func listSessions(limit _: Int?) async throws -> OpenClawChatSessionsListResponse {
let idx = await self.state.sessionsCallCount
await self.state.setSessionsCallCount(idx + 1)
if idx < self.sessionsResponses.count {
return self.sessionsResponses[idx]
}
return self.sessionsResponses.last ?? OpenClawChatSessionsListResponse(
ts: nil,
path: nil,
count: 0,
defaults: nil,
sessions: [])
}
func requestHealth(timeoutMs _: Int) async throws -> Bool {
true
}
func emit(_ evt: OpenClawChatTransportEvent) {
self.continuation.yield(evt)
}
func lastSentRunId() async -> String? {
let ids = await self.state.sentRunIds
return ids.last
}
func abortedRunIds() async -> [String] {
await self.state.abortedRunIds
}
}
extension TestChatTransportState {
fileprivate func setHistoryCallCount(_ v: Int) {
self.historyCallCount = v
}
fileprivate func setSessionsCallCount(_ v: Int) {
self.sessionsCallCount = v
}
fileprivate func sentRunIdsAppend(_ v: String) {
self.sentRunIds.append(v)
}
fileprivate func abortedRunIdsAppend(_ v: String) {
self.abortedRunIds.append(v)
}
}
@Suite struct ChatViewModelTests {
@Test func streamsAssistantAndClearsOnFinal() async throws {
let sessionId = "sess-main"
let history1 = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: sessionId,
messages: [],
thinkingLevel: "off")
let history2 = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: sessionId,
messages: [
AnyCodable([
"role": "assistant",
"content": [["type": "text", "text": "final answer"]],
"timestamp": Date().timeIntervalSince1970 * 1000,
]),
],
thinkingLevel: "off")
let transport = TestChatTransport(historyResponses: [history1, history2])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "main", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("bootstrap") { await MainActor.run { vm.healthOK && vm.sessionId == sessionId } }
await MainActor.run {
vm.input = "hi"
vm.send()
}
try await waitUntil("pending run starts") { await MainActor.run { vm.pendingRunCount == 1 } }
transport.emit(
.agent(
OpenClawAgentEventPayload(
runId: sessionId,
seq: 1,
stream: "assistant",
ts: Int(Date().timeIntervalSince1970 * 1000),
data: ["text": AnyCodable("streaming…")])))
try await waitUntil("assistant stream visible") {
await MainActor.run { vm.streamingAssistantText == "streaming…" }
}
transport.emit(
.agent(
OpenClawAgentEventPayload(
runId: sessionId,
seq: 2,
stream: "tool",
ts: Int(Date().timeIntervalSince1970 * 1000),
data: [
"phase": AnyCodable("start"),
"name": AnyCodable("demo"),
"toolCallId": AnyCodable("t1"),
"args": AnyCodable(["x": 1]),
])))
try await waitUntil("tool call pending") { await MainActor.run { vm.pendingToolCalls.count == 1 } }
let runId = try #require(await transport.lastSentRunId())
transport.emit(
.chat(
OpenClawChatEventPayload(
runId: runId,
sessionKey: "main",
state: "final",
message: nil,
errorMessage: nil)))
try await waitUntil("pending run clears") { await MainActor.run { vm.pendingRunCount == 0 } }
try await waitUntil("history refresh") {
await MainActor.run { vm.messages.contains(where: { $0.role == "assistant" }) }
}
#expect(await MainActor.run { vm.streamingAssistantText } == nil)
#expect(await MainActor.run { vm.pendingToolCalls.isEmpty })
}
@Test func clearsStreamingOnExternalFinalEvent() async throws {
let sessionId = "sess-main"
let history = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: sessionId,
messages: [],
thinkingLevel: "off")
let transport = TestChatTransport(historyResponses: [history, history])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "main", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("bootstrap") { await MainActor.run { vm.healthOK && vm.sessionId == sessionId } }
transport.emit(
.agent(
OpenClawAgentEventPayload(
runId: sessionId,
seq: 1,
stream: "assistant",
ts: Int(Date().timeIntervalSince1970 * 1000),
data: ["text": AnyCodable("external stream")])))
transport.emit(
.agent(
OpenClawAgentEventPayload(
runId: sessionId,
seq: 2,
stream: "tool",
ts: Int(Date().timeIntervalSince1970 * 1000),
data: [
"phase": AnyCodable("start"),
"name": AnyCodable("demo"),
"toolCallId": AnyCodable("t1"),
"args": AnyCodable(["x": 1]),
])))
try await waitUntil("streaming active") {
await MainActor.run { vm.streamingAssistantText == "external stream" }
}
try await waitUntil("tool call pending") { await MainActor.run { vm.pendingToolCalls.count == 1 } }
transport.emit(
.chat(
OpenClawChatEventPayload(
runId: "other-run",
sessionKey: "main",
state: "final",
message: nil,
errorMessage: nil)))
try await waitUntil("streaming cleared") { await MainActor.run { vm.streamingAssistantText == nil } }
#expect(await MainActor.run { vm.pendingToolCalls.isEmpty })
}
@Test func sessionChoicesPreferMainAndRecent() async throws {
let now = Date().timeIntervalSince1970 * 1000
let recent = now - (2 * 60 * 60 * 1000)
let recentOlder = now - (5 * 60 * 60 * 1000)
let stale = now - (26 * 60 * 60 * 1000)
let history = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: "sess-main",
messages: [],
thinkingLevel: "off")
let sessions = OpenClawChatSessionsListResponse(
ts: now,
path: nil,
count: 4,
defaults: nil,
sessions: [
OpenClawChatSessionEntry(
key: "recent-1",
kind: nil,
displayName: nil,
surface: nil,
subject: nil,
room: nil,
space: nil,
updatedAt: recent,
sessionId: nil,
systemSent: nil,
abortedLastRun: nil,
thinkingLevel: nil,
verboseLevel: nil,
inputTokens: nil,
outputTokens: nil,
totalTokens: nil,
model: nil,
contextTokens: nil),
OpenClawChatSessionEntry(
key: "main",
kind: nil,
displayName: nil,
surface: nil,
subject: nil,
room: nil,
space: nil,
updatedAt: stale,
sessionId: nil,
systemSent: nil,
abortedLastRun: nil,
thinkingLevel: nil,
verboseLevel: nil,
inputTokens: nil,
outputTokens: nil,
totalTokens: nil,
model: nil,
contextTokens: nil),
OpenClawChatSessionEntry(
key: "recent-2",
kind: nil,
displayName: nil,
surface: nil,
subject: nil,
room: nil,
space: nil,
updatedAt: recentOlder,
sessionId: nil,
systemSent: nil,
abortedLastRun: nil,
thinkingLevel: nil,
verboseLevel: nil,
inputTokens: nil,
outputTokens: nil,
totalTokens: nil,
model: nil,
contextTokens: nil),
OpenClawChatSessionEntry(
key: "old-1",
kind: nil,
displayName: nil,
surface: nil,
subject: nil,
room: nil,
space: nil,
updatedAt: stale,
sessionId: nil,
systemSent: nil,
abortedLastRun: nil,
thinkingLevel: nil,
verboseLevel: nil,
inputTokens: nil,
outputTokens: nil,
totalTokens: nil,
model: nil,
contextTokens: nil),
])
let transport = TestChatTransport(
historyResponses: [history],
sessionsResponses: [sessions])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "main", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("sessions loaded") { await MainActor.run { !vm.sessions.isEmpty } }
let keys = await MainActor.run { vm.sessionChoices.map(\.key) }
#expect(keys == ["main", "recent-1", "recent-2"])
}
@Test func sessionChoicesIncludeCurrentWhenMissing() async throws {
let now = Date().timeIntervalSince1970 * 1000
let recent = now - (30 * 60 * 1000)
let history = OpenClawChatHistoryPayload(
sessionKey: "custom",
sessionId: "sess-custom",
messages: [],
thinkingLevel: "off")
let sessions = OpenClawChatSessionsListResponse(
ts: now,
path: nil,
count: 1,
defaults: nil,
sessions: [
OpenClawChatSessionEntry(
key: "main",
kind: nil,
displayName: nil,
surface: nil,
subject: nil,
room: nil,
space: nil,
updatedAt: recent,
sessionId: nil,
systemSent: nil,
abortedLastRun: nil,
thinkingLevel: nil,
verboseLevel: nil,
inputTokens: nil,
outputTokens: nil,
totalTokens: nil,
model: nil,
contextTokens: nil),
])
let transport = TestChatTransport(
historyResponses: [history],
sessionsResponses: [sessions])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "custom", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("sessions loaded") { await MainActor.run { !vm.sessions.isEmpty } }
let keys = await MainActor.run { vm.sessionChoices.map(\.key) }
#expect(keys == ["main", "custom"])
}
@Test func clearsStreamingOnExternalErrorEvent() async throws {
let sessionId = "sess-main"
let history = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: sessionId,
messages: [],
thinkingLevel: "off")
let transport = TestChatTransport(historyResponses: [history, history])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "main", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("bootstrap") { await MainActor.run { vm.healthOK && vm.sessionId == sessionId } }
transport.emit(
.agent(
OpenClawAgentEventPayload(
runId: sessionId,
seq: 1,
stream: "assistant",
ts: Int(Date().timeIntervalSince1970 * 1000),
data: ["text": AnyCodable("external stream")])))
try await waitUntil("streaming active") {
await MainActor.run { vm.streamingAssistantText == "external stream" }
}
transport.emit(
.chat(
OpenClawChatEventPayload(
runId: "other-run",
sessionKey: "main",
state: "error",
message: nil,
errorMessage: "boom")))
try await waitUntil("streaming cleared") { await MainActor.run { vm.streamingAssistantText == nil } }
}
@Test func abortRequestsDoNotClearPendingUntilAbortedEvent() async throws {
let sessionId = "sess-main"
let history = OpenClawChatHistoryPayload(
sessionKey: "main",
sessionId: sessionId,
messages: [],
thinkingLevel: "off")
let transport = TestChatTransport(historyResponses: [history, history])
let vm = await MainActor.run { OpenClawChatViewModel(sessionKey: "main", transport: transport) }
await MainActor.run { vm.load() }
try await waitUntil("bootstrap") { await MainActor.run { vm.healthOK && vm.sessionId == sessionId } }
await MainActor.run {
vm.input = "hi"
vm.send()
}
try await waitUntil("pending run starts") { await MainActor.run { vm.pendingRunCount == 1 } }
let runId = try #require(await transport.lastSentRunId())
await MainActor.run { vm.abort() }
try await waitUntil("abortRun called") {
let ids = await transport.abortedRunIds()
return ids == [runId]
}
// Pending remains until the gateway broadcasts an aborted/final chat event.
#expect(await MainActor.run { vm.pendingRunCount } == 1)
transport.emit(
.chat(
OpenClawChatEventPayload(
runId: runId,
sessionKey: "main",
state: "aborted",
message: nil,
errorMessage: nil)))
try await waitUntil("pending run clears") { await MainActor.run { vm.pendingRunCount == 0 } }
}
}
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