Stop audio when deleting memo that is playing (#214)

* wip

* wip

Author: mluisbrown

Examples/VoiceMemos/VoiceMemos/VoiceMemo.swift

@@ -51,6 +51,9 @@ let voiceMemoReducer = Reducer<VoiceMemo, VoiceMemoAction, VoiceMemoEnvironment>
 
   case .delete:
     return .merge(
+      environment.audioPlayerClient
+        .stop(PlayerId())
+        .fireAndForget(),
       Effect.cancel(id: PlayerId()),
       Effect.cancel(id: TimerId())
     )

Examples/VoiceMemos/VoiceMemosTests/VoiceMemosTests.swift

@@ -261,6 +261,8 @@ class VoiceMemosTests: XCTestCase {
   }
 
   func testDeleteMemo() {
+    var didStopAudioPlayerClient = false
+
     let store = TestStore(
       initialState: VoiceMemosState(
         voiceMemos: [
@@ -275,13 +277,17 @@ class VoiceMemosTests: XCTestCase {
       ),
       reducer: voiceMemosReducer,
       environment: .mock(
+        audioPlayerClient: .mock(
+          stop: { _ in .fireAndForget { didStopAudioPlayerClient = true } }
+        ),
         mainQueue: self.scheduler
       )
     )
 
     store.assert(
       .send(.voiceMemo(index: 0, action: .delete)) {
         $0.voiceMemos = []
+        XCTAssertEqual(didStopAudioPlayerClient, true)
       }
     )
   }
@@ -302,7 +308,8 @@ class VoiceMemosTests: XCTestCase {
       reducer: voiceMemosReducer,
       environment: .mock(
         audioPlayerClient: .mock(
-          play: { id, url in .future { _ in } }
+          play: { id, url in .future { _ in } },
+          stop: { _ in .fireAndForget { } }
         ),
         mainQueue: self.scheduler
       )