Extract BLE and chat architecture policies (#1324)

Co-authored-by: jack <jackjackbits@users.noreply.github.com>
2026-07-25 04:45:20 +00:00 · 2026-06-02 09:01:59 +02:00
parent 193cfdc06a
commit 3eb4f2bd72
46 changed files with 3286 additions and 786 deletions
@@ -0,0 +1,113 @@
+import Foundation
+import Testing
+@testable import bitchat
+
+@Suite("BLE maintenance policy tests")
+struct BLEMaintenancePolicyTests {
+    @Test("discovery mode keeps announces frequent and advertising on")
+    func discoveryModeAnnouncesAndEnsuresAdvertising() {
+        let plan = BLEMaintenancePolicy.plan(
+            cycle: 1,
+            connectedCount: 0,
+            peerRegistryIsEmpty: true,
+            elapsedSinceLastAnnounce: TransportConfig.bleAnnounceIntervalSeconds,
+            hasRecentTraffic: false
+        )
+
+        #expect(plan.shouldSendAnnounce)
+        #expect(plan.shouldEnsureAdvertising)
+        #expect(plan.shouldFlushDirectedSpool)
+        #expect(!plan.shouldRunCleanup)
+        #expect(!plan.shouldResetCounter)
+    }
+
+    @Test("connected sparse meshes use sparse announce cadence")
+    func connectedSparseMeshUsesSparseAnnounceCadence() {
+        let beforeTarget = BLEMaintenancePolicy.plan(
+            cycle: 2,
+            connectedCount: 2,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: TransportConfig.bleConnectedAnnounceBaseSecondsSparse - 0.1,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+        let atTarget = BLEMaintenancePolicy.plan(
+            cycle: 2,
+            connectedCount: 2,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: TransportConfig.bleConnectedAnnounceBaseSecondsSparse,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+
+        #expect(!beforeTarget.shouldSendAnnounce)
+        #expect(atTarget.shouldSendAnnounce)
+        #expect(!beforeTarget.shouldEnsureAdvertising)
+    }
+
+    @Test("dense meshes use dense announce cadence")
+    func denseMeshUsesDenseAnnounceCadence() {
+        let beforeTarget = BLEMaintenancePolicy.plan(
+            cycle: 3,
+            connectedCount: TransportConfig.bleHighDegreeThreshold,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: TransportConfig.bleConnectedAnnounceBaseSecondsDense - 0.1,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+        let atTarget = BLEMaintenancePolicy.plan(
+            cycle: 3,
+            connectedCount: TransportConfig.bleHighDegreeThreshold,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: TransportConfig.bleConnectedAnnounceBaseSecondsDense,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+
+        #expect(!beforeTarget.shouldSendAnnounce)
+        #expect(atTarget.shouldSendAnnounce)
+        #expect(atTarget.shouldRunCleanup)
+    }
+
+    @Test("recent traffic can request a quick announce")
+    func recentTrafficRequestsQuickAnnounce() {
+        let plan = BLEMaintenancePolicy.plan(
+            cycle: 4,
+            connectedCount: 2,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: 10.0,
+            hasRecentTraffic: true,
+            connectedAnnounceJitterOffset: TransportConfig.bleConnectedAnnounceJitterSparse
+        )
+
+        #expect(plan.shouldSendAnnounce)
+        #expect(!plan.shouldFlushDirectedSpool)
+    }
+
+    @Test("maintenance cadence controls cleanup spool flushing and counter reset")
+    func maintenanceCadenceControlsPeriodicWork() {
+        let cleanupAndFlush = BLEMaintenancePolicy.plan(
+            cycle: 3,
+            connectedCount: 1,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: 0,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+        let reset = BLEMaintenancePolicy.plan(
+            cycle: 6,
+            connectedCount: 1,
+            peerRegistryIsEmpty: false,
+            elapsedSinceLastAnnounce: 0,
+            hasRecentTraffic: false,
+            connectedAnnounceJitterOffset: 0
+        )
+
+        #expect(cleanupAndFlush.shouldRunCleanup)
+        #expect(cleanupAndFlush.shouldFlushDirectedSpool)
+        #expect(!cleanupAndFlush.shouldResetCounter)
+        #expect(reset.shouldRunCleanup)
+        #expect(!reset.shouldFlushDirectedSpool)
+        #expect(reset.shouldResetCounter)
+    }
+}