INTENG-21262 Fix for Duplicate purchase events (cached).

Branch-TestBed/Branch-SDK-Tests/BNCServerRequestQueueTests.m

@@ -25,6 +25,9 @@ - (id)unarchiveObjectFromData:(NSData *)data;
 // returns data in the legacy format
 - (NSData *)oldArchiveQueue:(NSArray<BNCServerRequest *> *)queue;
 
++ (NSURL * _Nonnull) URLForQueueFile;
+- (void)retrieve;
+
 @end
 
 @interface BNCServerRequestQueueTests : XCTestCase
@@ -157,4 +160,27 @@ - (void)testOldArchiveArrayOfInvalidObjects {
     XCTAssert(unarchived.count == 2);
 }
 
+- (void)testMultipleRequests {
+    BranchEventRequest *eventObject = [BranchEventRequest new];
+    BranchOpenRequest *openObject = [BranchOpenRequest new];
+
+    [_queue enqueue: eventObject];
+    [_queue enqueue: openObject];
+    [_queue persistImmediately];
+
+    NSMutableArray *decodedQueue = nil;
+    NSData *data = [NSData dataWithContentsOfURL:[BNCServerRequestQueue URLForQueueFile] options:0 error:nil];
+    if (data) {
+        decodedQueue = [_queue unarchiveQueueFromData:data];
+    }
+    XCTAssert([decodedQueue count] == 2);
+    [_queue clearQueue];
+    XCTAssert([_queue queueDepth] == 0);
+    [_queue retrieve];
+    XCTAssert([_queue queueDepth] == 2);
+
+     // Request are loaded. So there should not be any queue file on disk.
+    XCTAssert([NSFileManager.defaultManager fileExistsAtPath:[[BNCServerRequestQueue URLForQueueFile] path]] == NO);
+}
+
 @end

Sources/BranchSDK/BNCServerRequestQueue.m

@@ -287,6 +287,8 @@ - (void)retrieve {
                 }
             }
             self.queue = decodedQueue;
+            // Requests are loaded into queue now. Delete queue file stored on disk.
+            [self removeSaveFile];
         }
     }
 }