Files
OSGKeyboard/OSGKeyboardTests/FlowSessionBridgeTests.swift
T
Rocky 34be2e8dd1 feat(polish): add context safeguards, layered prompts, and output validation
Use redacted cursor neighborhood and pause-aware chunks for more natural polish,
validate protected terms with retry/local fallback, and structure bilingual prompts
for consistency and provider prefix caching.
2026-07-29 17:45:11 +08:00

488 lines
19 KiB
Swift

// FlowSessionBridgeTests.swift
// OSGKeyboardTests
import XCTest
@testable import OSGKeyboardShared
final class FlowSessionBridgeTests: XCTestCase {
private func makeDefaults() -> UserDefaults {
let suite = "group.com.osgkeyboard.shared.tests.flow.\(UUID().uuidString)"
let defaults = UserDefaults(suiteName: suite)!
defaults.removePersistentDomain(forName: suite)
return defaults
}
func testSessionActiveSurvivesStaleHeartbeatWhileNotExpired() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 60, defaults: defaults)
XCTAssertTrue(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertTrue(FlowSessionBridge.isHostReachable(defaults: defaults))
let staleHeartbeat = Date().timeIntervalSince1970 - 10
defaults.set(staleHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
XCTAssertTrue(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostReachable(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostStale(defaults: defaults))
}
func testHostStaleWhenHeartbeatVeryOld() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
let zombieHeartbeat = Date().timeIntervalSince1970 - 120
defaults.set(zombieHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
XCTAssertTrue(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostReachable(defaults: defaults))
XCTAssertTrue(FlowSessionBridge.isHostStale(defaults: defaults))
}
func testClearIfHostStaleRemovesZombieSession() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
FlowSessionBridge.setRecordingState(.stopped, defaults: defaults)
let zombieHeartbeat = Date().timeIntervalSince1970 - 120
defaults.set(zombieHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
XCTAssertTrue(FlowSessionBridge.clearIfHostStale(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertEqual(FlowSessionBridge.recordingState(defaults: defaults), .idle)
}
func testHostStaleWhenSessionActiveButNoHeartbeat() {
let defaults = makeDefaults()
defaults.set(true, forKey: FlowSessionKeys.flowSessionActive)
defaults.set(Date().timeIntervalSince1970 + 3_600, forKey: FlowSessionKeys.flowSessionExpires)
XCTAssertTrue(FlowSessionBridge.isHostStale(defaults: defaults))
XCTAssertTrue(FlowSessionBridge.clearIfHostStale(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isSessionActive(defaults: defaults))
}
func testSessionInactiveWhenExpired() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 1, defaults: defaults)
let expired = Date().timeIntervalSince1970 - 5
defaults.set(expired, forKey: FlowSessionKeys.flowSessionExpires)
XCTAssertFalse(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostReachable(defaults: defaults))
}
func testRecordingStateRoundTrip() {
let defaults = makeDefaults()
FlowSessionBridge.setRecordingState(.recording, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.recordingState(defaults: defaults), .recording)
FlowSessionBridge.setRecordingState(.stopped, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.recordingState(defaults: defaults), .stopped)
}
func testConsumeTranscriptionResultClearsKey() {
let defaults = makeDefaults()
FlowSessionBridge.storeTranscriptionResult("hello", defaults: defaults)
XCTAssertEqual(FlowSessionBridge.consumeTranscriptionResult(defaults: defaults), "hello")
XCTAssertNil(FlowSessionBridge.consumeTranscriptionResult(defaults: defaults))
}
func testConsumeTranscriptionDeliveryIncludesPolishWarning() {
let defaults = makeDefaults()
FlowSessionBridge.storeTranscriptionResult(
"raw text",
polishWarning: "polish failed",
defaults: defaults
)
let delivery = FlowSessionBridge.consumeTranscriptionDelivery(defaults: defaults)
XCTAssertEqual(delivery?.text, "raw text")
XCTAssertEqual(delivery?.polishWarning, "polish failed")
XCTAssertNil(FlowSessionBridge.consumeTranscriptionDelivery(defaults: defaults))
}
func testClearFlowStateRemovesSessionKeys() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(defaults: defaults)
FlowSessionBridge.storeTranscriptionResult("x", defaults: defaults)
FlowSessionBridge.clearFlowState(defaults: defaults)
XCTAssertFalse(defaults.bool(forKey: FlowSessionKeys.flowSessionActive))
XCTAssertNil(FlowSessionBridge.consumeTranscriptionResult(defaults: defaults))
XCTAssertEqual(FlowSessionBridge.recordingState(defaults: defaults), .idle)
}
func testRemainingSessionDurationNilWhenExpired() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 1, defaults: defaults)
XCTAssertNotNil(FlowSessionBridge.remainingSessionDuration(defaults: defaults))
let expired = Date().timeIntervalSince1970 - 5
defaults.set(expired, forKey: FlowSessionKeys.flowSessionExpires)
XCTAssertNil(FlowSessionBridge.remainingSessionDuration(defaults: defaults))
}
func testConsumeTranscriptionErrorIncludesKind() {
let defaults = makeDefaults()
FlowSessionBridge.storeTranscriptionError(
"no speech",
kind: .noSpeech,
defaults: defaults
)
let error = FlowSessionBridge.consumeTranscriptionError(defaults: defaults)
XCTAssertEqual(error?.message, "no speech")
XCTAssertEqual(error?.kind, .noSpeech)
XCTAssertNil(FlowSessionBridge.consumeTranscriptionError(defaults: defaults))
}
func testTranscriptionPartialRoundTrip() {
let defaults = makeDefaults()
FlowSessionBridge.storeTranscriptionPartial("你好世界", defaults: defaults)
XCTAssertEqual(FlowSessionBridge.transcriptionPartial(defaults: defaults), "你好世界")
FlowSessionBridge.storeTranscriptionResult("final", defaults: defaults)
XCTAssertNil(FlowSessionBridge.transcriptionPartial(defaults: defaults))
}
func testDarwinNotificationPostsWithoutCrashing() {
FlowSessionDarwin.postSessionChanged()
FlowSessionDarwin.postCommandChanged()
FlowSessionDarwin.postHostReadyChanged()
}
func testHostReadyRequiresExplicitContract() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 60, defaults: defaults)
XCTAssertTrue(FlowSessionBridge.isHostReachable(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostReady(defaults: defaults))
FlowSessionBridge.setHostReady(true, defaults: defaults)
XCTAssertTrue(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testHostReadyFalseWhenHeartbeatStale() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
FlowSessionBridge.setHostReady(true, defaults: defaults)
XCTAssertTrue(FlowSessionBridge.isHostReady(defaults: defaults))
let staleHeartbeat = Date().timeIntervalSince1970 - 10
defaults.set(staleHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
XCTAssertFalse(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testHeartbeatRefreshKeepsHostReadyPublished() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
FlowSessionBridge.setHostReady(true, defaults: defaults)
FlowSessionBridge.writeHeartbeat(defaults: defaults)
XCTAssertTrue(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testClearFlowStateClearsHostReady() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(defaults: defaults)
FlowSessionBridge.setHostReady(true, defaults: defaults)
FlowSessionBridge.clearFlowState(defaults: defaults)
XCTAssertFalse(defaults.bool(forKey: FlowSessionKeys.flowHostReady))
XCTAssertFalse(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testFlowCommandRoundTrip() {
let defaults = makeDefaults()
let sessionId = UUID()
let utteranceId = UUID()
let command = FlowCommand(
sessionId: sessionId,
utteranceId: utteranceId,
commandSeq: 42,
action: .startRecording,
localeId: "zh-Hans",
createdAt: 123
)
FlowSessionBridge.writeCommand(command, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.latestCommand(defaults: defaults), command)
}
func testFlowCommandRoundTripsFieldContext() {
let context = FlowFieldContext(
precedingText: "前文",
followingText: "后文",
keyboardType: "default",
returnKeyType: "send",
isEmptyField: false,
isContextAvailable: true
)
let command = FlowCommand(
sessionId: UUID(),
utteranceId: UUID(),
commandSeq: 43,
action: .stopRecording,
localeId: "zh-Hans",
fieldContext: context
)
let decoded = try? JSONDecoder().decode(
FlowCommand.self,
from: JSONEncoder().encode(command)
)
XCTAssertEqual(decoded?.fieldContext, context)
}
func testSecureFieldContextRedactsText() {
let context = FlowFieldContext(
precedingText: "secret",
followingText: "value",
isSecureEntry: true,
isEmptyField: true,
isContextAvailable: true
)
XCTAssertNil(context.precedingText)
XCTAssertNil(context.followingText)
XCTAssertFalse(context.isContextAvailable)
XCTAssertFalse(context.isEmptyField)
}
func testFlowCommandDecodesWithoutFieldContext() throws {
let command = FlowCommand(
sessionId: UUID(),
utteranceId: UUID(),
commandSeq: 44,
action: .startRecording,
localeId: "en-US"
)
let encoded = try JSONEncoder().encode(command)
var object = try XCTUnwrap(
JSONSerialization.jsonObject(with: encoded) as? [String: Any]
)
object.removeValue(forKey: "fieldContext")
let legacyPayload = try JSONSerialization.data(withJSONObject: object)
let decoded = try JSONDecoder().decode(FlowCommand.self, from: legacyPayload)
XCTAssertNil(decoded.fieldContext)
}
func testFlowResultRoundTripPreservesUtteranceIdentity() {
let defaults = makeDefaults()
let sessionId = UUID()
let utteranceId = UUID()
let result = FlowResult(
sessionId: sessionId,
utteranceId: utteranceId,
commandSeq: 43,
status: .final,
text: "hello",
warning: "raw fallback",
createdAt: 124
)
FlowSessionBridge.writeResult(result, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.latestResult(defaults: defaults), result)
FlowSessionBridge.clearResult(defaults: defaults)
XCTAssertNil(FlowSessionBridge.latestResult(defaults: defaults))
}
func testFlowAckRoundTrip() {
let defaults = makeDefaults()
let ack = FlowAck(
sessionId: UUID(),
utteranceId: UUID(),
commandSeq: 44,
consumedAt: 125
)
FlowSessionBridge.writeAck(ack, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.latestAck(defaults: defaults), ack)
}
func testNotReadySnapshotDoesNotRefreshHeartbeat() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
let zombieHeartbeat = Date().timeIntervalSince1970 - 120
defaults.set(zombieHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
// A host stuck in a failed cold start writes not-ready snapshots on
// every engine flap; those must NOT revive the heartbeat, or zombie
// detection is postponed forever.
FlowSessionBridge.writeReadySnapshot(
FlowReadySnapshot(
sessionId: UUID(),
ready: false,
reason: .waitingForAudioProof,
engineMode: "local",
localeId: "zh-Hans"
),
defaults: defaults
)
XCTAssertTrue(FlowSessionBridge.isHostStale(defaults: defaults))
}
func testBusySnapshotStillRefreshesHeartbeat() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
let staleHeartbeat = Date().timeIntervalSince1970 - 10
defaults.set(staleHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
// Recording/processing proves the host is alive even though the
// snapshot is not "ready" — the heartbeat must keep flowing so the
// keyboard does not declare a mid-utterance host dead.
let sessionId = UUID()
FlowSessionBridge.writeReadySnapshot(
FlowReadySnapshot(
sessionId: sessionId,
ready: false,
reason: .recording,
engineMode: "local",
localeId: "zh-Hans",
busyUtteranceId: UUID()
),
defaults: defaults
)
XCTAssertTrue(FlowSessionBridge.isHostReachable(defaults: defaults))
// Not-ready busy snapshots must remain readable so the keyboard can
// distinguish "host is recording" from "host is still starting".
let snap = FlowSessionBridge.readySnapshot(defaults: defaults)
XCTAssertEqual(snap?.reason, .recording)
XCTAssertEqual(snap?.ready, false)
XCTAssertEqual(snap?.sessionId, sessionId)
}
func testNotReadyStartingSnapshotIsRetainedWithoutRevivingHeartbeat() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
let zombieHeartbeat = Date().timeIntervalSince1970 - 120
defaults.set(zombieHeartbeat, forKey: FlowSessionKeys.flowHeartbeat)
FlowSessionBridge.writeReadySnapshot(
FlowReadySnapshot(
sessionId: UUID(),
ready: false,
reason: .waitingForAudioProof,
engineMode: "local",
localeId: "zh-Hans"
),
defaults: defaults
)
XCTAssertTrue(FlowSessionBridge.isHostStale(defaults: defaults))
XCTAssertEqual(
FlowSessionBridge.readySnapshot(defaults: defaults)?.reason,
.waitingForAudioProof
)
}
func testStaleGenerationSnapshotIsNotReady() {
let defaults = makeDefaults()
let sessionId = UUID()
let now = Date().timeIntervalSince1970
FlowSessionBridge.rotateHostGeneration(defaults: defaults)
let liveGeneration = FlowSessionBridge.currentHostGeneration(defaults: defaults)
FlowSessionBridge.markSessionActive(duration: 60, sessionId: sessionId, defaults: defaults)
FlowSessionBridge.writeReadySnapshot(
FlowReadySnapshot(
sessionId: sessionId,
ready: true,
reason: .ready,
heartbeatAt: now,
readyAt: now,
engineMode: "local",
localeId: "zh-Hans",
hostGeneration: liveGeneration
),
defaults: defaults
)
XCTAssertTrue(FlowSessionBridge.isHostReady(defaults: defaults))
// Host relaunches (force-quit path) → new generation. The old ready
// snapshot must be void instantly, without waiting out the 60 s
// heartbeat-zombie window.
FlowSessionBridge.rotateHostGeneration(defaults: defaults)
XCTAssertFalse(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testClearFlowStateOnHostLaunchPreservesPendingHost() {
let defaults = makeDefaults()
FlowSessionBridge.markSessionActive(duration: 3_600, defaults: defaults)
FlowSessionBridge.setHostReady(true, defaults: defaults)
FlowSessionBridge.setPendingHostBundleId("com.example.host", defaults: defaults)
FlowSessionBridge.clearFlowStateOnHostLaunch(defaults: defaults)
XCTAssertFalse(FlowSessionBridge.isSessionActive(defaults: defaults))
XCTAssertFalse(FlowSessionBridge.isHostReady(defaults: defaults))
// The startflow scene-delegate write happens before the session
// manager exists — launch reconciliation must not eat it.
XCTAssertEqual(
FlowSessionBridge.pendingHostBundleId(defaults: defaults),
"com.example.host"
)
}
func testRotateHostGenerationReturnsPreviousToken() {
let defaults = makeDefaults()
XCTAssertNil(FlowSessionBridge.rotateHostGeneration(defaults: defaults))
let first = FlowSessionBridge.currentHostGeneration(defaults: defaults)
XCTAssertNotNil(first)
let previous = FlowSessionBridge.rotateHostGeneration(defaults: defaults)
XCTAssertEqual(previous, first)
XCTAssertNotEqual(FlowSessionBridge.currentHostGeneration(defaults: defaults), first)
}
func testReadySnapshotDrivesHostReady() {
let defaults = makeDefaults()
let sessionId = UUID()
let now = Date().timeIntervalSince1970
FlowSessionBridge.markSessionActive(duration: 60, sessionId: sessionId, defaults: defaults)
let snapshot = FlowReadySnapshot(
sessionId: sessionId,
ready: true,
reason: .ready,
heartbeatAt: now,
readyAt: now,
audioProofAt: now,
engineMode: "local",
localeId: "zh-Hans",
sessionExpiresAt: now + 60
)
FlowSessionBridge.writeReadySnapshot(snapshot, defaults: defaults)
XCTAssertEqual(FlowSessionBridge.readySnapshot(defaults: defaults), snapshot)
XCTAssertTrue(FlowSessionBridge.isHostReady(defaults: defaults))
}
func testClearFlowStateRemovesProtocolPayloads() {
let defaults = makeDefaults()
let sessionId = UUID()
let utteranceId = UUID()
FlowSessionBridge.writeCommand(
FlowCommand(
sessionId: sessionId,
utteranceId: utteranceId,
commandSeq: 1,
action: .startRecording,
localeId: "en-US"
),
defaults: defaults
)
FlowSessionBridge.writeResult(
FlowResult(
sessionId: sessionId,
utteranceId: utteranceId,
commandSeq: 1,
status: .partial,
text: "hello"
),
defaults: defaults
)
FlowSessionBridge.clearFlowState(defaults: defaults)
XCTAssertNil(FlowSessionBridge.latestCommand(defaults: defaults))
XCTAssertNil(FlowSessionBridge.latestResult(defaults: defaults))
XCTAssertNil(FlowSessionBridge.readySnapshot(defaults: defaults))
}
}