test: Add test coverage for log custom event

UnitTests/MParticle+PrivateMethods.h

@@ -12,6 +12,7 @@
 - (void)startWithKeyCallback:(BOOL)firstRun options:(MParticleOptions * _Nonnull)options userDefaults:(id<MPUserDefaultsProtocol>)userDefaults;
 - (void)beginTimedEventCompletionHandler:(MPEvent *)event execStatus:(MPExecStatus)execStatus;
 - (void)logEventCallback:(MPEvent *)event execStatus:(MPExecStatus)execStatus;
+- (void)logCustomEvent:(MPEvent *)event;
 - (void)logScreenCallback:(MPEvent *)event execStatus:(MPExecStatus)execStatus;
 - (void)leaveBreadcrumbCallback:(MPEvent *)event execStatus:(MPExecStatus)execStatus;
 - (void)logErrorCallback:(NSDictionary<NSString *,id> * _Nullable)eventInfo execStatus:(MPExecStatus)execStatus message:(NSString *)message;

UnitTests/MParticleTestsSwift.swift

@@ -885,4 +885,95 @@ class MParticleTestsSwift: XCTestCase {
 #endif
 #endif
     }
+
+
+    func testLogCustomEventWithNilEvent_logsError() {
+        mparticle.logCustomEvent(nil)
+        XCTAssertEqual(receivedMessage, "mParticle -> Cannot log nil event!")
+    }
+
+    func testLogCustomEventWithFilterReturningNil_blocksEvent() {
+        let event = MPEvent(name: "blocked", type: .other)!
+
+        let executor = ExecutorMock()
+        mparticle.setExecutor(executor)
+
+        let backendController = MPBackendControllerMock()
+        mparticle.backendController = backendController
+
+        let dataPlanFilter = MPDataPlanFilterMock()
+        dataPlanFilter.transformEventReturnValue = nil
+        mparticle.dataPlanFilter = dataPlanFilter
+
+        mparticle.logCustomEvent(event)
+
+        // Verify event timing ended
+        XCTAssertNil(event.endTime)
+
+        // Verify listener was called
+        XCTAssertEqual(listenerController.onAPICalledApiName?.description, "logCustomEvent:")
+        XCTAssertTrue(listenerController.onAPICalledParameter1 === event)
+
+        // Verify backend was called
+        XCTAssertTrue(backendController.logEventCalled)
+        XCTAssertTrue(backendController.logEventEventParam === event)
+        XCTAssertNotNil(backendController.logEventCompletionHandler)
+
+        // Verify executor usage
+        XCTAssertTrue(executor.executeOnMessageQueueAsync)
+
+        // Verify filter transform event
+        XCTAssertTrue(dataPlanFilter.transformEventCalled)
+        XCTAssertTrue(dataPlanFilter.transformEventEventParam === event)
+
+        // Logger should record the blocked event message
+        XCTAssertEqual(receivedMessage, "mParticle -> Blocked custom event from kits: \(event)")
+    }
+
+    func testLogCustomEventWithFilterReturningEvent_forwardsTransformedEvent() {
+        let event = MPEvent(name: "original", type: .other)!
+        let transformedEvent = MPEvent(name: "transformed", type: .other)!
+
+        let executor = ExecutorMock()
+        mparticle.setExecutor(executor)
+
+        let backendController = MPBackendControllerMock()
+        mparticle.backendController = backendController
+
+        let dataPlanFilter = MPDataPlanFilterMock()
+        dataPlanFilter.transformEventReturnValue = transformedEvent
+        mparticle.dataPlanFilter = dataPlanFilter
+
+        let kitContainer = MPKitContainerMock()
+        mparticle.setKitContainer(kitContainer)
+
+        mparticle.logCustomEvent(event)
+
+        // Verify event timing ended
+        XCTAssertNil(event.endTime)
+
+        // Verify listener was called
+        XCTAssertEqual(listenerController.onAPICalledApiName?.description, "logCustomEvent:")
+        XCTAssertTrue(listenerController.onAPICalledParameter1 === event)
+
+        // Verify backend was called
+        XCTAssertTrue(backendController.logEventCalled)
+        XCTAssertTrue(backendController.logEventEventParam === event)
+        XCTAssertNotNil(backendController.logEventCompletionHandler)
+
+        // Verify executor usage
+        XCTAssertTrue(executor.executeOnMessageQueueAsync)
+        XCTAssertTrue(executor.executeOnMainAsync)
+
+        // Verify filter transformed event
+        XCTAssertTrue(dataPlanFilter.transformEventCalled)
+        XCTAssertTrue(dataPlanFilter.transformEventEventParam === event)
+
+        // Verify kit container forwarded transformed event
+        XCTAssertTrue(kitContainer.forwardSDKCallCalled)
+        XCTAssertEqual(kitContainer.forwardSDKCallSelectorParam?.description, "logEvent:")
+        XCTAssertEqual(kitContainer.forwardSDKCallMessageTypeParam, .event)
+        XCTAssertTrue(kitContainer.forwardSDKCallEventParam === transformedEvent)
+    }
+
 }

mParticle-Apple-SDK/Include/MPBackendController.h

@@ -128,7 +128,6 @@ extern const NSInteger kInvalidKey;
 - (void)logError:(nullable NSString *)message exception:(nullable NSException *)exception topmostContext:(nullable id)topmostContext eventInfo:(nullable NSDictionary *)eventInfo completionHandler:(void (^ _Nonnull)(NSString * _Nullable message, MPExecStatus execStatus))completionHandler;
 - (void)logCrash:(nullable NSString *)message stackTrace:(nullable NSString *)stackTrace plCrashReport:(nonnull NSString *)plCrashReport completionHandler:(void (^ _Nonnull)(NSString * _Nullable message, MPExecStatus execStatus)) completionHandler;
 - (void)logBaseEvent:(nonnull MPBaseEvent *)event completionHandler:(void (^ _Nonnull)(MPBaseEvent * _Nonnull event, MPExecStatus execStatus))completionHandler;
-- (void)logEvent:(nonnull MPEvent *)event completionHandler:(void (^ _Nonnull)(MPEvent * _Nonnull event, MPExecStatus execStatus))completionHandler;
 - (void)logCommerceEvent:(nonnull MPCommerceEvent *)commerceEvent completionHandler:(void (^ _Nonnull)(MPCommerceEvent * _Nonnull commerceEvent, MPExecStatus execStatus))completionHandler;
 - (void)logNetworkPerformanceMeasurement:(nonnull MPNetworkPerformance *)networkPerformance completionHandler:(void (^ _Nullable)(MPNetworkPerformance * _Nonnull networkPerformance, MPExecStatus execStatus))completionHandler;
 - (void)logScreen:(nonnull MPEvent *)event completionHandler:(void (^ _Nonnull)(MPEvent * _Nonnull event, MPExecStatus execStatus))completionHandler;