Merge pull request #14 from tooploox/feature/central-manager-state

BLECentralManager's state publicly available.

Author: Henryforce

Source/Central/BLECentralManager.swift

@@ -14,6 +14,7 @@ import CombineExt
 public protocol BLECentralManager: AnyObject {
     var centralManager: CBCentralManagerWrapper { get }
     var isScanning: Bool { get }
+    var state: AnyPublisher<ManagerState, Never> { get }
 
     func retrievePeripherals(withIdentifiers identifiers: [UUID]) -> AnyPublisher<BLEPeripheral, BLEError>
     func retrieveConnectedPeripherals(withServices serviceUUIDs: [CBUUID]) -> AnyPublisher<BLEPeripheral, BLEError>
@@ -31,7 +32,7 @@ final class StandardBLECentralManager: BLECentralManager {
     let centralManager: CBCentralManagerWrapper
     let peripheralProvider: BLEPeripheralProvider
 
-    var state = CurrentValueSubject<ManagerState, Never>(ManagerState.unknown)
+    var stateSubject = CurrentValueSubject<ManagerState, Never>(ManagerState.unknown)
     let delegate: BLECentralManagerDelegate
 
     private var cancellables = [AnyCancellable]()
@@ -40,6 +41,10 @@ final class StandardBLECentralManager: BLECentralManager {
         centralManager.isScanning
     }
 
+    var state: AnyPublisher<ManagerState, Never> {
+        stateSubject.eraseToAnyPublisher()
+    }
+    
     init(
         centralManager: CBCentralManagerWrapper,
         managerDelegate: BLECentralManagerDelegate = BLECentralManagerDelegate(),
@@ -64,7 +69,7 @@ final class StandardBLECentralManager: BLECentralManager {
     func observeUpdateState() {
         delegate
             .didUpdateState
-            .sink { self.state.send($0) }
+            .sink { self.stateSubject.send($0) }
             .store(in: &cancellables)
     }
 

Tests/Mocks/MockBLECentralManager.swift

@@ -13,6 +13,11 @@ import Combine
 
 final class MockBLECentralManager: BLECentralManager {
 
+    private var _state = CurrentValueSubject<ManagerState, Never>(ManagerState.unknown)
+    var state: AnyPublisher<ManagerState, Never> {
+        _state.eraseToAnyPublisher()
+    }
+    
     var centralManager: CBCentralManagerWrapper = MockCBCentralManagerWrapper()
 
     var isScanning: Bool = false