test: Add test target

Package.swift

@@ -58,5 +58,10 @@ let package = Package(
             exclude: ["Dummy.swift", "Info.plist"],
             resources: [.process("PrivacyInfo.xcprivacy")],
             publicHeadersPath: "."),
+        .testTarget(
+            name: "mParticle-AdobeTests",
+            dependencies: ["mParticle-Adobe"],
+            path: "mParticle-AdobeTests"
+        ),
     ]
 )

mParticle-Adobe-Media/MPIAdobe.m

@@ -81,7 +81,13 @@ @interface MPIAdobe ()
 
 @implementation MPIAdobe
 
-- (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserId:(NSString *)advertiserId pushToken:(NSString *)pushToken organizationId:(NSString *)organizationId userIdentities:(NSDictionary<NSNumber *, NSString *> *)userIdentities audienceManagerServer:(NSString *)audienceManagerServer completion:(void (^)(NSString *marketingCloudId, NSString *blob, NSString *locationHint, NSError *))completion {
+- (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId
+                           advertiserId:(NSString *)advertiserId
+                              pushToken:(NSString *)pushToken
+                         organizationId:(NSString *)organizationId
+                         userIdentities:(NSDictionary<NSNumber *, NSString *> *)userIdentities
+                  audienceManagerServer:(NSString *)audienceManagerServer
+                             completion:(void (^)(NSString *marketingCloudId, NSString *blob, NSString *locationHint, NSError *))completion {
 
     if (audienceManagerServer != nil && audienceManagerServer.length > 0) {
         host = audienceManagerServer;
@@ -147,8 +153,6 @@ - (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserI
     __weak MPIAdobe *weakSelf = self;
 
     [[session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
-
-
         void (^callbackWithCode)(MPIAdobeErrorCode code, NSString *message, NSError *error) = ^void(MPIAdobeErrorCode code, NSString *message, NSError *error) {
             MPIAdobeError *adobeError = [[MPIAdobeError alloc] initWithCode:code message:message error:error];
             NSError *compositeError = [NSError errorWithDomain:errorDomain code:adobeError.code userInfo:@{MPIAdobeErrorKey:adobeError}];

mParticle-Adobe/MPIAdobe.h

@@ -1,7 +1,16 @@
 #import <Foundation/Foundation.h>
 
+@protocol SessionProtocol
+
+- (NSURLSessionDataTask * _Nonnull)dataTaskWithRequest:(NSURLRequest * _Nonnull)request
+                                     completionHandler:(void (NS_SWIFT_SENDABLE ^_Nonnull)(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error))completionHandler;
+
+@end
+
 @interface MPIAdobe : NSObject
 
+- (instancetype)initWithSession:(id<SessionProtocol>) session;
+
 - (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserId:(NSString *)advertiserId pushToken:(NSString *)pushToken organizationId:(NSString *)organizationId userIdentities:(NSDictionary<NSNumber *, NSString *> *)userIdentities audienceManagerServer:(NSString *)audienceManagerServer completion:(void (^)(NSString *marketingCloudId, NSString *locationHint, NSString *blob, NSError *error))completion;
 
 - (NSString *)marketingCloudIdFromUserDefaults;

mParticle-Adobe/MPIAdobe.m

@@ -41,6 +41,7 @@
 
 static NSString *const marketingCloudIdUserDefaultsKey = @"ADBMOBILE_PERSISTED_MID";
 
+
 @interface MPIAdobeError ()
 
 - (id)initWithCode:(MPIAdobeErrorCode)code message:(NSString *)message error:(NSError *)error;
@@ -79,7 +80,23 @@ @interface MPIAdobe ()
 
 @implementation MPIAdobe
 
-- (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserId:(NSString *)advertiserId pushToken:(NSString *)pushToken organizationId:(NSString *)organizationId userIdentities:(NSDictionary<NSNumber *, NSString *> *)userIdentities audienceManagerServer:(NSString *)audienceManagerServer completion:(void (^)(NSString *marketingCloudId, NSString *locationHint, NSString *blob, NSError *))completion {
+id<SessionProtocol> _session;
+
+- (instancetype)initWithSession:(id<SessionProtocol>) session {
+    self = [super init];
+    if (self != nil) {
+        _session = session;
+    }
+    return self;
+}
+
+- (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId
+                           advertiserId:(NSString *)advertiserId
+                              pushToken:(NSString *)pushToken
+                         organizationId:(NSString *)organizationId
+                         userIdentities:(NSDictionary<NSNumber *, NSString *> *)userIdentities
+                  audienceManagerServer:(NSString *)audienceManagerServer
+                             completion:(void (^)(NSString *marketingCloudId, NSString *locationHint, NSString *blob, NSError *))completion {
 
     if (audienceManagerServer != nil && audienceManagerServer.length > 0) {
         host = audienceManagerServer;
@@ -139,13 +156,14 @@ - (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserI
     NSURL *url = components.URL;
 
     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
-    NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
-    NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
 
     __weak MPIAdobe *weakSelf = self;
 
-    [[session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
-
+    [[_session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+        __strong typeof(self) strongSelf = weakSelf;
+        if (!strongSelf) {
+            return;
+        }
 
         void (^callbackWithCode)(MPIAdobeErrorCode code, NSString *message, NSError *error) = ^void(MPIAdobeErrorCode code, NSString *message, NSError *error) {
             MPIAdobeError *adobeError = [[MPIAdobeError alloc] initWithCode:code message:message error:error];
@@ -166,8 +184,13 @@ - (void)sendRequestWithMarketingCloudId:(NSString *)marketingCloudId advertiserI
 
         NSDictionary *errorDictionary = dictionary[errorResponseKey];
         if (errorDictionary) {
-            NSError *error = [NSError errorWithDomain:serverErrorDomain code:0 userInfo:errorDictionary];
-            return callbackWithCode(MPIAdobeErrorCodeServerError, @"Server returned an error", error);
+            if ([errorDictionary isKindOfClass:[NSDictionary class]]) {
+                NSError *error = [NSError errorWithDomain:serverErrorDomain code:0 userInfo:errorDictionary];
+                return callbackWithCode(MPIAdobeErrorCodeServerError, @"Server returned an error", error);
+            } else {
+                NSError *error = [NSError errorWithDomain:serverErrorDomain code:0 userInfo:@{}];
+                return callbackWithCode(MPIAdobeErrorCodeServerError, @"Server returned an error", error);
+            }
         }
 
         NSString *marketingCloudId = [dictionary[marketingCloudIdKey] isKindOfClass:[NSString class]] ? dictionary[marketingCloudIdKey] : nil;

mParticle-Adobe/MPKitAdobe.m

@@ -26,6 +26,9 @@ @interface MPKitAdobe ()
 
 @end
 
+@interface NSURLSession (SessionProtocol) <SessionProtocol>
+@end
+
 @implementation MPKitAdobe
 
 static NSString *_midOverride = nil;
@@ -70,7 +73,9 @@ - (MPKitExecStatus *)didFinishLaunchingWithConfiguration:(NSDictionary *)configu
 
     _configuration = configuration;
     _started       = YES;
-    _adobe         = [[MPIAdobe alloc] init];
+    NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
+    NSURLSession *session = [NSURLSession sessionWithConfiguration:config];
+    _adobe         = [[MPIAdobe alloc] initWithSession: session];
 
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(didEnterBackground:)
@@ -155,7 +160,13 @@ - (void)sendNetworkRequest {
     NSString *pushToken = [self pushToken];
     FilteredMParticleUser *user = [self currentUser];
     NSDictionary *userIdentities = user.userIdentities;
-    [_adobe sendRequestWithMarketingCloudId:marketingCloudId advertiserId:advertiserId pushToken:pushToken organizationId:_organizationId userIdentities:userIdentities audienceManagerServer:_audienceManagerServer completion:^(NSString *marketingCloudId, NSString *locationHint, NSString *blob, NSError *error) {
+    [_adobe sendRequestWithMarketingCloudId:marketingCloudId
+                               advertiserId:advertiserId
+                                  pushToken:pushToken
+                             organizationId:_organizationId
+                             userIdentities:userIdentities
+                      audienceManagerServer:_audienceManagerServer
+                                 completion:^(NSString *marketingCloudId, NSString *locationHint, NSString *blob, NSError *error) {
         if (error) {
             NSLog(@"mParticle -> Adobe kit request failed with error: %@", error);
             return;

mParticle-Adobe/mParticle_Adobe.h

@@ -11,5 +11,8 @@ FOUNDATION_EXPORT const unsigned char mParticle_AdobeVersionString[];
 #if defined(__has_include) && __has_include(<mParticle_Adobe/MPKitAdobe.h>)
 #import <mParticle_Adobe/MPKitAdobe.h>
 #else
+
 #import "MPKitAdobe.h"
+#import "MPIAdobe.h"
+
 #endif

mParticle-AdobeTests/MPAdobeTests.swift

@@ -0,0 +1,195 @@
+//
+//  MPKitAdobeTests.swift
+//  mParticle-Adobe
+//
+//  Created by Denis Chilik on 10/9/25.
+//
+@testable import mParticle_Adobe
+import Foundation
+import XCTest
+
+import Foundation
+
+extension URLSession: @retroactive SessionProtocol {
+}
+
+final class MPAdobeTests: XCTestCase {
+    var session: SessionProtocolMock!
+
+    override func setUp() {
+        super.setUp()
+
+        session = SessionProtocolMock()
+    }
+
+    func testSendRequestEncodeAllParametersIntoURL() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "marketingCloudId",
+            advertiserId: "advertiserId",
+            pushToken: "pushToken",
+            organizationId: "organizationId",
+            userIdentities: [
+                NSNumber(value: MPUserIdentity.other.rawValue) : "1",
+                NSNumber(value: MPUserIdentity.customerId.rawValue) : "2",
+                NSNumber(value: MPUserIdentity.facebook.rawValue) : "3",
+                NSNumber(value: MPUserIdentity.twitter.rawValue) : "4",
+                NSNumber(value: MPUserIdentity.google.rawValue) : "5",
+                NSNumber(value: MPUserIdentity.microsoft.rawValue) : "6",
+                NSNumber(value: MPUserIdentity.yahoo.rawValue) : "7",
+                NSNumber(value: MPUserIdentity.email.rawValue) : "8",
+                NSNumber(value: MPUserIdentity.alias.rawValue) : "9",
+                NSNumber(value: MPUserIdentity.facebookCustomAudienceId.rawValue) : "10",
+                NSNumber(value: MPUserIdentity.other5.rawValue) : "11",
+            ],
+            audienceManagerServer: "audienceManagerServer"
+        ) { _, _, _, _ in }
+
+        let expected = "https://audienceManagerServer/id?d_mid=marketingCloudId&d_cid=20915%2501advertiserId&d_cid=20920%2501pushToken&d_cid_ic=google%25015&d_cid_ic=facebook%25013&d_cid_ic=customerid%25012&d_cid_ic=twitter%25014&d_cid_ic=alias%25019&d_cid_ic=microsoft%25016&d_cid_ic=email%25018&d_cid_ic=yahoo%25017&d_cid_ic=other%25011&d_cid_ic=facebookcustomaudienceid%250110&d_orgid=organizationId&d_ptfm=ios&d_ver=2"
+
+        guard
+            let actualURL = session.dataTaskRequestParam?.url,
+            let expectedURL = URL(string: expected),
+            let actualComponents = URLComponents(url: actualURL, resolvingAgainstBaseURL: false),
+            let expectedComponents = URLComponents(url: expectedURL, resolvingAgainstBaseURL: false)
+        else {
+            XCTFail("URLs could not be parsed")
+            return
+        }
+
+        XCTAssertEqual(actualComponents.scheme, expectedComponents.scheme)
+        XCTAssertEqual(actualComponents.host, expectedComponents.host)
+        XCTAssertEqual(actualComponents.path, expectedComponents.path)
+
+        let actualItems = Set(actualComponents.queryItems ?? [])
+        let expectedItems = Set(expectedComponents.queryItems ?? [])
+
+        XCTAssertEqual(actualItems, expectedItems)
+    }
+
+    func testCompletionCallback_success() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "",
+            advertiserId: "",
+            pushToken: "",
+            organizationId: "",
+            userIdentities: [:],
+            audienceManagerServer: ""
+        ) { marketingCloudId, locationHint, blob, error in
+            XCTAssertNil(error)
+            XCTAssertEqual(marketingCloudId, "mock_mid")
+            XCTAssertEqual(locationHint, "mock_region")
+            XCTAssertEqual(blob, "mock_blob")
+        }
+
+        let json: [String: Any] = [
+            "d_mid": "mock_mid",
+            "d_blob": "mock_blob",
+            "dcs_region": "mock_region"
+        ]
+
+        let data = try! JSONSerialization.data(withJSONObject: json, options: [])
+
+        session.dataTaskCompletionHandlerParam?(data, URLResponse(), nil)
+    }
+
+    func testCompletionCallback_success_empty_json() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "",
+            advertiserId: "",
+            pushToken: "",
+            organizationId: "",
+            userIdentities: [:],
+            audienceManagerServer: ""
+        ) { marketingCloudId, locationHint, blob, error in
+            XCTAssertNil(error)
+            XCTAssertNil(marketingCloudId)
+            XCTAssertNil(locationHint)
+            XCTAssertNil(blob)
+        }
+
+        let json: [String: Any] = [:]
+
+        let data = try! JSONSerialization.data(withJSONObject: json, options: [])
+
+        session.dataTaskCompletionHandlerParam?(data, URLResponse(), nil)
+    }
+
+    func testCompletionCallback_success_parametersNotStrings() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "",
+            advertiserId: "",
+            pushToken: "",
+            organizationId: "",
+            userIdentities: [:],
+            audienceManagerServer: ""
+        ) { marketingCloudId, locationHint, blob, error in
+            XCTAssertNil(error)
+            XCTAssertNil(marketingCloudId)
+            XCTAssertNil(locationHint)
+            XCTAssertNil(blob)
+        }
+
+        let json: [String: Any] = [
+            "d_mid": 1,
+            "d_blob": 2,
+            "dcs_region": 3
+        ]
+
+        let data = try! JSONSerialization.data(withJSONObject: json, options: [])
+        session.dataTaskCompletionHandlerParam?(data, URLResponse(), nil)
+    }
+
+    func testCompletionCallback_success_errorFromBackend() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "",
+            advertiserId: "",
+            pushToken: "",
+            organizationId: "",
+            userIdentities: [:],
+            audienceManagerServer: ""
+        ) { marketingCloudId, locationHint, blob, error in
+            XCTAssertNil(marketingCloudId)
+            XCTAssertNil(locationHint)
+            XCTAssertNil(blob)
+            XCTAssertNotNil(error)
+        }
+
+        let json: [String: Any] = [
+            "error_msg": [
+                "some_key": "Invalid request parameters"
+            ]
+        ]
+
+        let data = try! JSONSerialization.data(withJSONObject: json, options: [])
+        session.dataTaskCompletionHandlerParam?(data, URLResponse(), nil)
+    }
+
+    func testCompletionCallback_success_errorErrorMsgContains_shouldNotCrash() {
+        let sut = MPIAdobe(session: session)!
+        sut.sendRequest(
+            withMarketingCloudId: "",
+            advertiserId: "",
+            pushToken: "",
+            organizationId: "",
+            userIdentities: [:],
+            audienceManagerServer: ""
+        ) { marketingCloudId, locationHint, blob, error in
+            XCTAssertNil(marketingCloudId)
+            XCTAssertNil(locationHint)
+            XCTAssertNil(blob)
+            XCTAssertNotNil(error)
+        }
+
+        let json: [String: Any] = [
+            "error_msg": "Invalid request parameters"
+        ]
+
+        let data = try! JSONSerialization.data(withJSONObject: json, options: [])
+        session.dataTaskCompletionHandlerParam?(data, URLResponse(), nil)
+    }
+}

mParticle-AdobeTests/SessionProtocolMock.swift

@@ -0,0 +1,25 @@
+//
+//  SessionProtocolMock.swift
+//  mParticle-Adobe
+//
+//  Created by Denis Chilik on 10/14/25.
+//
+
+@testable import mParticle_Adobe
+
+class SessionProtocolMock: SessionProtocol {
+    var dataTaskCalled = false
+    var dataTaskRequestParam: URLRequest?
+    var dataTaskCompletionHandlerParam: ((Data?, URLResponse?, (any Error)?) -> Void)?
+
+    func dataTask(with request: URLRequest, completionHandler: @escaping @Sendable (Data?, URLResponse?, (any Error)?) -> Void) -> URLSessionDataTask {
+        dataTaskCalled = true
+        dataTaskRequestParam = request
+        dataTaskCompletionHandlerParam = completionHandler
+
+        let config = URLSessionConfiguration.default
+        let session = URLSession(configuration: config)
+
+        return session.dataTask(with: URLRequest(url: URL(string: "https://localhost")!))
+    }
+}