RUM-7795 Anonymous RUM Identifier

CHANGELOG.md

@@ -1,4 +1,5 @@
 # Unreleased
+- [FEATURE] Adds anonymous identifier configuration for RUM Sessions linking. See [#2172][]
 
 # 2.23.0 / 05-02-2025
 
@@ -827,6 +828,7 @@ Release `2.0` introduces breaking changes. Follow the [Migration Guide](MIGRATIO
 [#2148]: https://github.com/DataDog/dd-sdk-ios/pull/2148
 [#2153]: https://github.com/DataDog/dd-sdk-ios/pull/2153
 [#2154]: https://github.com/DataDog/dd-sdk-ios/pull/2154
+[#2172]: https://github.com/DataDog/dd-sdk-ios/pull/2172
 [#2169]: https://github.com/DataDog/dd-sdk-ios/pull/2169
 [#2170]: https://github.com/DataDog/dd-sdk-ios/pull/2170
 [#2177]: https://github.com/DataDog/dd-sdk-ios/pull/2177

Datadog/Datadog.xcodeproj/project.pbxproj

@@ -730,6 +730,8 @@
 		A74A72852B10CC6700771FEB /* ResourceRequestBuilderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A74A72842B10CC6700771FEB /* ResourceRequestBuilderTests.swift */; };
 		A74A72872B10CE4100771FEB /* ResourceMocks.swift in Sources */ = {isa = PBXBuildFile; fileRef = A74A72862B10CE4100771FEB /* ResourceMocks.swift */; };
 		A74A72892B10D95D00771FEB /* MultipartBuilderSpy.swift in Sources */ = {isa = PBXBuildFile; fileRef = A74A72882B10D95D00771FEB /* MultipartBuilderSpy.swift */; };
+		A757AE902D3815B500C772FA /* AnonymousIdentifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A757AE8F2D3815AC00C772FA /* AnonymousIdentifierTests.swift */; };
+		A757AE912D3815B500C772FA /* AnonymousIdentifierTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A757AE8F2D3815AC00C772FA /* AnonymousIdentifierTests.swift */; };
 		A795069C2B974C8200AC4814 /* SessionReplay+objc.swift in Sources */ = {isa = PBXBuildFile; fileRef = A795069B2B974C8100AC4814 /* SessionReplay+objc.swift */; };
 		A79B0F64292BD074008742B3 /* DDB3HTTPHeadersWriter+apiTests.m in Sources */ = {isa = PBXBuildFile; fileRef = A79B0F63292BD074008742B3 /* DDB3HTTPHeadersWriter+apiTests.m */; };
 		A79B0F65292BD074008742B3 /* DDB3HTTPHeadersWriter+apiTests.m in Sources */ = {isa = PBXBuildFile; fileRef = A79B0F63292BD074008742B3 /* DDB3HTTPHeadersWriter+apiTests.m */; };
@@ -749,6 +751,10 @@
 		A7DA18042AB0C91200F76337 /* DDUIKitRUMViewsPredicateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7DA18022AB0C8A700F76337 /* DDUIKitRUMViewsPredicateTests.swift */; };
 		A7DA18052AB0C91300F76337 /* DDUIKitRUMViewsPredicateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7DA18022AB0C8A700F76337 /* DDUIKitRUMViewsPredicateTests.swift */; };
 		A7DA18072AB0CA5E00F76337 /* DDUIKitRUMActionsPredicateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7DA18062AB0CA4700F76337 /* DDUIKitRUMActionsPredicateTests.swift */; };
+		A7E6EA812D3146AD00997201 /* AnonymousIdentifierManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7E6EA802D3146AD00997201 /* AnonymousIdentifierManager.swift */; };
+		A7E6EA822D3146AD00997201 /* AnonymousIdentifierManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7E6EA802D3146AD00997201 /* AnonymousIdentifierManager.swift */; };
+		A7E6EA842D314A9B00997201 /* AnonymousIdentifierManagerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7E6EA832D314A9900997201 /* AnonymousIdentifierManagerTests.swift */; };
+		A7E6EA852D314A9B00997201 /* AnonymousIdentifierManagerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7E6EA832D314A9900997201 /* AnonymousIdentifierManagerTests.swift */; };
 		A7EA11622AB0CE6C00C73970 /* DDUIKitRUMActionsPredicateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7DA18062AB0CA4700F76337 /* DDUIKitRUMActionsPredicateTests.swift */; };
 		A7EA88562B17639A00FE2580 /* ResourcesWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7EA88552B17639A00FE2580 /* ResourcesWriter.swift */; };
 		A7F651302B7655DE004B0EDB /* UIImageResourceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7F6512F2B7655DE004B0EDB /* UIImageResourceTests.swift */; };
@@ -2756,6 +2762,7 @@
 		A74A72842B10CC6700771FEB /* ResourceRequestBuilderTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ResourceRequestBuilderTests.swift; sourceTree = "<group>"; };
 		A74A72862B10CE4100771FEB /* ResourceMocks.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ResourceMocks.swift; sourceTree = "<group>"; };
 		A74A72882B10D95D00771FEB /* MultipartBuilderSpy.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultipartBuilderSpy.swift; sourceTree = "<group>"; };
+		A757AE8F2D3815AC00C772FA /* AnonymousIdentifierTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnonymousIdentifierTests.swift; sourceTree = "<group>"; };
 		A795069B2B974C8100AC4814 /* SessionReplay+objc.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "SessionReplay+objc.swift"; sourceTree = "<group>"; };
 		A795069D2B974CAA00AC4814 /* DDSessionReplay+apiTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "DDSessionReplay+apiTests.m"; sourceTree = "<group>"; };
 		A79B0F5A292B7C06008742B3 /* B3HTTPHeadersWriterTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = B3HTTPHeadersWriterTests.swift; sourceTree = "<group>"; };
@@ -2773,6 +2780,8 @@
 		A7D9528B2B28C18D004C79B1 /* ResourceProcessorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ResourceProcessorTests.swift; sourceTree = "<group>"; };
 		A7DA18022AB0C8A700F76337 /* DDUIKitRUMViewsPredicateTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DDUIKitRUMViewsPredicateTests.swift; sourceTree = "<group>"; };
 		A7DA18062AB0CA4700F76337 /* DDUIKitRUMActionsPredicateTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DDUIKitRUMActionsPredicateTests.swift; sourceTree = "<group>"; };
+		A7E6EA802D3146AD00997201 /* AnonymousIdentifierManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnonymousIdentifierManager.swift; sourceTree = "<group>"; };
+		A7E6EA832D314A9900997201 /* AnonymousIdentifierManagerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnonymousIdentifierManagerTests.swift; sourceTree = "<group>"; };
 		A7EA88552B17639A00FE2580 /* ResourcesWriter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ResourcesWriter.swift; sourceTree = "<group>"; };
 		A7F6512F2B7655DE004B0EDB /* UIImageResourceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIImageResourceTests.swift; sourceTree = "<group>"; };
 		A7F773D32924EA2D00AC1A62 /* B3HTTPHeaders.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = B3HTTPHeaders.swift; sourceTree = "<group>"; };
@@ -4766,6 +4775,7 @@
 		615950EC291C057D00470E0C /* Integrations */ = {
 			isa = PBXGroup;
 			children = (
+				A7E6EA802D3146AD00997201 /* AnonymousIdentifierManager.swift */,
 				D2CBC26D294395A300134409 /* RUMContextAttributes.swift */,
 				615950ED291C058F00470E0C /* SessionReplayDependency.swift */,
 				D2CBC26A294383F200134409 /* WebViewEventReceiver.swift */,
@@ -5379,6 +5389,7 @@
 		61E8C5062B28896100E709B4 /* RUM */ = {
 			isa = PBXGroup;
 			children = (
+				A757AE8F2D3815AC00C772FA /* AnonymousIdentifierTests.swift */,
 				6167E6DC2B811A8300C3CA2D /* AppHangsMonitoringTests.swift */,
 				1117AA052D09A39400F86B29 /* RUMAttributesIntegrationTests.swift */,
 				61E8C5072B28898800E709B4 /* StartingRUMSessionTests.swift */,
@@ -5917,6 +5928,7 @@
 		D236BE2A29521A7700676E67 /* Integrations */ = {
 			isa = PBXGroup;
 			children = (
+				A7E6EA832D314A9900997201 /* AnonymousIdentifierManagerTests.swift */,
 				615950EA291C029700470E0C /* SessionReplayDependencyTests.swift */,
 				D21C26ED28AFB65B005DD405 /* ErrorMessageReceiverTests.swift */,
 				9E53889B2773C4B300A7DC42 /* WebViewEventReceiverTests.swift */,
@@ -8063,6 +8075,7 @@
 				61B5E42B26DFC433000B0A5F /* DDNSURLSessionDelegate+apiTests.m in Sources */,
 				6167E7062B82A9FD00C3CA2D /* GeneratingBacktraceTests.swift in Sources */,
 				A7CA21802BEBB1E800732571 /* AppBackgroundTaskCoordinatorTests.swift in Sources */,
+				A757AE912D3815B500C772FA /* AnonymousIdentifierTests.swift in Sources */,
 				D20605C52875895E0047275C /* KronosClockMock.swift in Sources */,
 				61133C642423990D00786299 /* LoggerTests.swift in Sources */,
 				6134CDB12A691E850061CCD9 /* BatchMetricsTests.swift in Sources */,
@@ -8650,6 +8663,7 @@
 				D23F8E8029DDCD28001CFAE8 /* VitalInfoSampler.swift in Sources */,
 				D23F8E8129DDCD28001CFAE8 /* RUMViewScope.swift in Sources */,
 				D23F8E8229DDCD28001CFAE8 /* RUMSessionScope.swift in Sources */,
+				A7E6EA812D3146AD00997201 /* AnonymousIdentifierManager.swift in Sources */,
 				D23F8E8329DDCD28001CFAE8 /* RUMUser.swift in Sources */,
 				D23F8E8429DDCD28001CFAE8 /* UIKitRUMUserActionsPredicate.swift in Sources */,
 				3C5CD8CE2C3ECB9400B12303 /* MemoryWarningReporter.swift in Sources */,
@@ -8698,6 +8712,7 @@
 				3CEC57782C16FDD80042B5F2 /* WatchdogTerminationAppStateManagerTests.swift in Sources */,
 				D23F8EAE29DDCD38001CFAE8 /* DDTAssertValidRUMUUID.swift in Sources */,
 				D23F8EAF29DDCD38001CFAE8 /* RUMScopeTests.swift in Sources */,
+				A7E6EA842D314A9B00997201 /* AnonymousIdentifierManagerTests.swift in Sources */,
 				D23F8EB029DDCD38001CFAE8 /* SessionReplayDependencyTests.swift in Sources */,
 				61C713B72A3C600400FA735A /* RUMMonitorProtocol+ConvenienceTests.swift in Sources */,
 				D23F8EB129DDCD38001CFAE8 /* RUMViewScopeTests.swift in Sources */,
@@ -8996,6 +9011,7 @@
 				D29A9F6B29DD85BB005C54A4 /* VitalInfoSampler.swift in Sources */,
 				D29A9F7529DD85BB005C54A4 /* RUMViewScope.swift in Sources */,
 				D29A9F5C29DD85BB005C54A4 /* RUMSessionScope.swift in Sources */,
+				A7E6EA822D3146AD00997201 /* AnonymousIdentifierManager.swift in Sources */,
 				D29A9F6629DD85BB005C54A4 /* RUMUser.swift in Sources */,
 				D29A9F8229DD85BB005C54A4 /* UIKitRUMUserActionsPredicate.swift in Sources */,
 				3C5CD8CD2C3ECB9400B12303 /* MemoryWarningReporter.swift in Sources */,
@@ -9044,6 +9060,7 @@
 				3CEC57772C16FDD70042B5F2 /* WatchdogTerminationAppStateManagerTests.swift in Sources */,
 				D29A9FCC29DDBCC5005C54A4 /* DDTAssertValidRUMUUID.swift in Sources */,
 				D29A9FB329DDB483005C54A4 /* RUMScopeTests.swift in Sources */,
+				A7E6EA852D314A9B00997201 /* AnonymousIdentifierManagerTests.swift in Sources */,
 				D29A9FAE29DDB483005C54A4 /* SessionReplayDependencyTests.swift in Sources */,
 				61C713B62A3C600400FA735A /* RUMMonitorProtocol+ConvenienceTests.swift in Sources */,
 				D29A9FB829DDB483005C54A4 /* RUMViewScopeTests.swift in Sources */,
@@ -9265,6 +9282,7 @@
 				D2CB6EE627C520D400A62B57 /* DateFormattingTests.swift in Sources */,
 				61DCC84B2C05D4D600CB59E5 /* RUMSessionEndedMetricIntegrationTests.swift in Sources */,
 				D2CB6EE727C520D400A62B57 /* FileTests.swift in Sources */,
+				A757AE902D3815B500C772FA /* AnonymousIdentifierTests.swift in Sources */,
 				610ABD4D2A6930CA00AFEA34 /* CoreTelemetryIntegrationTests.swift in Sources */,
 				D2CB6EEA27C520D400A62B57 /* LogMatcher.swift in Sources */,
 				D2CB6EEC27C520D400A62B57 /* CustomObjcViewController.m in Sources */,

Datadog/IntegrationUnitTests/RUM/AnonymousIdentifierTests.swift

@@ -0,0 +1,110 @@
+/*
+ * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
+ * This product includes software developed at Datadog (https://www.datadoghq.com/).
+ * Copyright 2019-Present Datadog, Inc.
+ */
+
+import XCTest
+import TestUtilities
+import DatadogInternal
+
+@testable import DatadogRUM
+
+/// Test case covering scenarios of anonymous identifier generation.
+class AnonymousIdentifierTests: XCTestCase {
+    var core: DatadogCoreProxy! // swiftlint:disable:this implicitly_unwrapped_optional
+
+    override func setUp() {
+        core = DatadogCoreProxy()
+    }
+
+    override func tearDown() {
+        core.flushAndTearDown()
+        core = nil
+    }
+
+    func test_itGeneratesAnonymousIdentifier() throws {
+        enableRUM(trackAnonymousUser: true)
+
+        let session = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: true, in: session)
+    }
+
+    func test_itDoesNotGenerateAnonymousIdentifierWhenDisabled() throws {
+        enableRUM(trackAnonymousUser: false)
+
+        let session = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: false, in: session)
+    }
+
+    func test_itReusesAnonymousIdentifierOnSubsequentSessions() throws {
+        enableRUM(trackAnonymousUser: true)
+
+        let session1 = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: true, in: session1)
+        let anonymousId1 = session1.views.last?.viewEvents.first?.usr?.anonymousId
+
+        simulateNewSession()
+
+        enableRUM(trackAnonymousUser: true)
+
+        let session2 = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: true, in: session2)
+        let anonymousId2 = session2.views.last?.viewEvents.first?.usr?.anonymousId
+        XCTAssertEqual(anonymousId1, anonymousId2)
+    }
+
+    func test_itClearsAnonymousIdentifierWhenDisabled() throws {
+        enableRUM(trackAnonymousUser: true)
+
+        let session1 = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: true, in: session1)
+
+        simulateNewSession()
+
+        enableRUM(trackAnonymousUser: false)
+
+        let session2 = try RUMSessionMatcher
+            .groupMatchersBySessions(try core.waitAndReturnRUMEventMatchers())
+            .takeSingle()
+
+        assertAnonymousIdentifier(isSet: false, in: session2)
+    }
+
+    private func simulateNewSession() {
+        core = DatadogCoreProxy()
+    }
+
+    private func enableRUM(trackAnonymousUser: Bool) {
+        let rumConfig = RUM.Configuration(applicationID: .mockAny(), trackAnonymousUser: trackAnonymousUser)
+        RUM.enable(with: rumConfig, in: core)
+        // Needs to flush datastore on the caller thread to ensure anonymousId was read from the file.
+        core.scope(for: RUMFeature.self).dataStore.flush()
+        // Create new view that should consist of anonymousId is present.
+        RUMMonitor.shared(in: core).startView(key: .mockRandom(), name: .mockRandom())
+    }
+
+    private func assertAnonymousIdentifier(isSet: Bool, in session: RUMSessionMatcher) {
+        // Checks if view added after flush contains anonymousId.
+        if isSet {
+            XCTAssertNotNil(session.views.last?.viewEvents.first?.usr?.anonymousId)
+        } else {
+            XCTAssertNil(session.views.last?.viewEvents.first?.usr?.anonymousId)
+        }
+    }
+}

DatadogCore/Sources/Core/DatadogCore.swift

@@ -136,12 +136,12 @@ internal final class DatadogCore {
         extraInfo: [AttributeKey: AttributeValue] = [:]
     ) {
         let userInfo = UserInfo(
+            anonymousId: userInfoPublisher.current.anonymousId,
             id: id,
             name: name,
             email: email,
             extraInfo: extraInfo
         )
-
         userInfoPublisher.current = userInfo
     }
 
@@ -317,6 +317,10 @@ extension DatadogCore: DatadogCoreProtocol {
     func send(message: FeatureMessage, else fallback: @escaping () -> Void) {
         bus.send(message: message, else: fallback)
     }
+
+    func set(anonymousId: String?) {
+        userInfoPublisher.current.anonymousId = anonymousId
+    }
 }
 
 internal class CoreFeatureScope<Feature>: @unchecked Sendable, FeatureScope where Feature: DatadogFeature {
@@ -379,6 +383,10 @@ internal class CoreFeatureScope<Feature>: @unchecked Sendable, FeatureScope wher
         core?.set(baggage: baggage, forKey: key)
     }
 
+    func set(anonymousId: String?) {
+        core?.set(anonymousId: anonymousId)
+    }
+
     var telemetry: Telemetry {
         return core?.telemetry ?? NOPTelemetry()
     }

DatadogCore/Tests/Datadog/DatadogCore/DatadogCoreTests.swift

@@ -330,4 +330,87 @@ class DatadogCoreTests: XCTestCase {
         core.flush()
         XCTAssertEqual(requestBuilderSpy.requestParameters.count, 0, "It should not send any request")
     }
+
+    func testItAppendsUserDataIfAnonymousIdentifierExists() {
+        let core = DatadogCore(
+            directory: temporaryCoreDirectory,
+            dateProvider: SystemDateProvider(),
+            initialConsent: .granted,
+            performance: .mockRandom(),
+            httpClient: HTTPClientMock(),
+            encryption: nil,
+            contextProvider: .mockAny(),
+            applicationVersion: .mockAny(),
+            maxBatchesPerUpload: .mockAny(),
+            backgroundTasksEnabled: .mockAny()
+        )
+        core.set(anonymousId: "anonymous-id")
+        let userBefore = core.userInfoPublisher.current
+        XCTAssertEqual(userBefore.anonymousId, "anonymous-id")
+        XCTAssertNil(userBefore.id)
+        XCTAssertNil(userBefore.name)
+        XCTAssertNil(userBefore.email)
+
+        core.setUserInfo(id: "user-id", name: "user-name", email: "user-email")
+
+        let userAfter = core.userInfoPublisher.current
+        XCTAssertEqual(userAfter.anonymousId, "anonymous-id")
+        XCTAssertEqual(userAfter.id, "user-id")
+        XCTAssertEqual(userAfter.name, "user-name")
+        XCTAssertEqual(userAfter.email, "user-email")
+    }
+
+    func testItAppendsAnonymousIdentifierIfUserExists() {
+        let core = DatadogCore(
+            directory: temporaryCoreDirectory,
+            dateProvider: SystemDateProvider(),
+            initialConsent: .granted,
+            performance: .mockRandom(),
+            httpClient: HTTPClientMock(),
+            encryption: nil,
+            contextProvider: .mockAny(),
+            applicationVersion: .mockAny(),
+            maxBatchesPerUpload: .mockAny(),
+            backgroundTasksEnabled: .mockAny()
+        )
+        core.setUserInfo(id: "user-id", name: "user-name", email: "user-email")
+
+        let userBefore = core.userInfoPublisher.current
+        XCTAssertNil(userBefore.anonymousId)
+        XCTAssertEqual(userBefore.id, "user-id")
+        XCTAssertEqual(userBefore.name, "user-name")
+        XCTAssertEqual(userBefore.email, "user-email")
+
+        core.set(anonymousId: "anonymous-id")
+
+        let userAfter = core.userInfoPublisher.current
+        XCTAssertEqual(userAfter.anonymousId, "anonymous-id")
+        XCTAssertEqual(userAfter.id, "user-id")
+        XCTAssertEqual(userAfter.name, "user-name")
+        XCTAssertEqual(userAfter.email, "user-email")
+    }
+
+    func testItClearsAnonymousIdentifier() {
+        let core = DatadogCore(
+            directory: temporaryCoreDirectory,
+            dateProvider: SystemDateProvider(),
+            initialConsent: .granted,
+            performance: .mockRandom(),
+            httpClient: HTTPClientMock(),
+            encryption: nil,
+            contextProvider: .mockAny(),
+            applicationVersion: .mockAny(),
+            maxBatchesPerUpload: .mockAny(),
+            backgroundTasksEnabled: .mockAny()
+        )
+        core.set(anonymousId: "anonymous-id")
+        core.setUserInfo(id: "user-id", name: "user-name", email: "user-email")
+        core.set(anonymousId: nil)
+
+        let userAfter = core.userInfoPublisher.current
+        XCTAssertNil(userAfter.anonymousId)
+        XCTAssertEqual(userAfter.id, "user-id")
+        XCTAssertEqual(userAfter.name, "user-name")
+        XCTAssertEqual(userAfter.email, "user-email")
+    }
 }