Rename classes overriding classes from the FFI layer. (#4817)

* Rename classes overriding classes from the FFI layer.

* For other Konsist test.

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/FakeClientBuilderProvider.kt

@@ -7,11 +7,11 @@
 
 package io.element.android.libraries.matrix.impl
 
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustClientBuilder
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiClientBuilder
 import org.matrix.rustcomponents.sdk.ClientBuilder
 
 class FakeClientBuilderProvider : ClientBuilderProvider {
     override fun provide(): ClientBuilder {
-        return FakeRustClientBuilder()
+        return FakeFfiClientBuilder()
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClientTest.kt

@@ -9,8 +9,8 @@ package io.element.android.libraries.matrix.impl
 
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.featureflag.test.FakeFeatureFlagService
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustClient
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiClient
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustSyncService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiSyncService
 import io.element.android.libraries.matrix.impl.room.FakeTimelineEventTypeFilterFactory
 import io.element.android.libraries.matrix.test.A_DEVICE_ID
 import io.element.android.libraries.matrix.test.A_USER_ID
@@ -40,7 +40,7 @@ class RustMatrixClientTest {
         val clearCachesResult = lambdaRecorder<Unit> { }
         val closeResult = lambdaRecorder<Unit> { }
         val client = createRustMatrixClient(
-            client = FakeRustClient(
+            client = FakeFfiClient(
                 clearCachesResult = clearCachesResult,
                 closeResult = closeResult,
             )
@@ -52,7 +52,7 @@ class RustMatrixClientTest {
     }
 
     private fun TestScope.createRustMatrixClient(
-        client: Client = FakeRustClient(),
+        client: Client = FakeFfiClient(),
         sessionStore: SessionStore = InMemorySessionStore(),
     ) = RustMatrixClient(
         innerClient = client,
@@ -62,7 +62,7 @@ class RustMatrixClientTest {
         sessionDelegate = aRustClientSessionDelegate(
             sessionStore = sessionStore,
         ),
-        innerSyncService = FakeRustSyncService(),
+        innerSyncService = FakeFfiSyncService(),
         dispatchers = testCoroutineDispatchers(),
         baseCacheDirectory = File(""),
         clock = FakeSystemClock(),

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/HomeserverDetailsKtTest.kt

@@ -9,14 +9,14 @@ package io.element.android.libraries.matrix.impl.auth
 
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.auth.MatrixHomeServerDetails
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustHomeserverLoginDetails
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiHomeserverLoginDetails
 import org.junit.Test
 
 class HomeserverDetailsKtTest {
     @Test
     fun `map should be correct`() {
         // Given
-        val homeserverLoginDetails = FakeRustHomeserverLoginDetails(
+        val homeserverLoginDetails = FakeFfiHomeserverLoginDetails(
             url = "https://example.org",
             supportsPasswordLogin = true,
             supportsOidcLogin = false

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/auth/qrlogin/SdkQrCodeLoginDataTest.kt

@@ -8,7 +8,7 @@
 package io.element.android.libraries.matrix.impl.auth.qrlogin
 
 import com.google.common.truth.Truth.assertThat
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeQrCodeData
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiQrCodeData
 import io.element.android.libraries.matrix.test.A_HOMESERVER_URL
 import org.junit.Test
 
@@ -16,7 +16,7 @@ class SdkQrCodeLoginDataTest {
     @Test
     fun `getServer reads the value from the Rust side, null case`() {
         val sut = SdkQrCodeLoginData(
-            rustQrCodeData = FakeQrCodeData(
+            rustQrCodeData = FakeFfiQrCodeData(
                 serverNameResult = { null },
             ),
         )
@@ -26,7 +26,7 @@ class SdkQrCodeLoginDataTest {
     @Test
     fun `getServer reads the value from the Rust side`() {
         val sut = SdkQrCodeLoginData(
-            rustQrCodeData = FakeQrCodeData(
+            rustQrCodeData = FakeFfiQrCodeData(
                 serverNameResult = { A_HOMESERVER_URL },
             ),
         )

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/EventTimelineItem.kt

@@ -7,7 +7,7 @@
 
 package io.element.android.libraries.matrix.impl.fixtures.factories
 
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustLazyTimelineItemProvider
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiLazyTimelineItemProvider
 import io.element.android.libraries.matrix.test.AN_EVENT_ID
 import io.element.android.libraries.matrix.test.A_USER_ID
 import org.matrix.rustcomponents.sdk.EventOrTransactionId
@@ -50,7 +50,7 @@ fun aRustEventTimelineItem(
     readReceipts = readReceipts,
     origin = origin,
     localCreatedAt = localCreatedAt,
-    lazyProvider = FakeRustLazyTimelineItemProvider(
+    lazyProvider = FakeFfiLazyTimelineItemProvider(
         debugInfo = debugInfo,
         shieldsState = shieldsState,
     )

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/NotificationItem.kt

@@ -8,7 +8,7 @@
 package io.element.android.libraries.matrix.impl.fixtures.factories
 
 import io.element.android.libraries.matrix.api.core.ThreadId
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineEvent
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineEvent
 import io.element.android.libraries.matrix.test.A_ROOM_NAME
 import io.element.android.libraries.matrix.test.A_USER_NAME
 import org.matrix.rustcomponents.sdk.JoinRule
@@ -65,7 +65,7 @@ fun aRustNotificationRoomInfo(
 )
 
 fun aRustNotificationEventTimeline(
-    event: TimelineEvent = FakeRustTimelineEvent(),
+    event: TimelineEvent = FakeFfiTimelineEvent(),
 ) = NotificationEvent.Timeline(
     event = event,
 )

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiClient.kt

@@ -30,12 +30,12 @@ import org.matrix.rustcomponents.sdk.TaskHandle
 import org.matrix.rustcomponents.sdk.UnableToDecryptDelegate
 import org.matrix.rustcomponents.sdk.UserProfile
 
-class FakeRustClient(
+class FakeFfiClient(
     private val userId: String = A_USER_ID.value,
     private val deviceId: String = A_DEVICE_ID.value,
-    private val notificationClient: NotificationClient = FakeRustNotificationClient(),
+    private val notificationClient: NotificationClient = FakeFfiNotificationClient(),
-    private val notificationSettings: NotificationSettings = FakeRustNotificationSettings(),
+    private val notificationSettings: NotificationSettings = FakeFfiNotificationSettings(),
-    private val encryption: Encryption = FakeRustEncryption(),
+    private val encryption: Encryption = FakeFfiEncryption(),
     private val session: Session = aRustSession(),
     private val clearCachesResult: () -> Unit = { lambdaError() },
     private val withUtdHook: (UnableToDecryptDelegate) -> Unit = { lambdaError() },
@@ -47,11 +47,11 @@ class FakeRustClient(
     override suspend fun getNotificationSettings(): NotificationSettings = notificationSettings
     override fun encryption(): Encryption = encryption
     override fun session(): Session = session
-    override fun setDelegate(delegate: ClientDelegate?): TaskHandle = FakeRustTaskHandle()
+    override fun setDelegate(delegate: ClientDelegate?): TaskHandle = FakeFfiTaskHandle()
     override suspend fun cachedAvatarUrl(): String? = null
     override suspend fun restoreSession(session: Session) = Unit
-    override fun syncService(): SyncServiceBuilder = FakeRustSyncServiceBuilder()
+    override fun syncService(): SyncServiceBuilder = FakeFfiSyncServiceBuilder()
-    override fun roomDirectorySearch(): RoomDirectorySearch = FakeRustRoomDirectorySearch()
+    override fun roomDirectorySearch(): RoomDirectorySearch = FakeFfiRoomDirectorySearch()
     override suspend fun setPusher(
         identifiers: PusherIdentifiers,
         kind: PusherKind,
@@ -64,12 +64,12 @@ class FakeRustClient(
     override suspend fun deletePusher(identifiers: PusherIdentifiers) = Unit
     override suspend fun clearCaches() = simulateLongTask { clearCachesResult() }
     override suspend fun setUtdDelegate(utdDelegate: UnableToDecryptDelegate) = withUtdHook(utdDelegate)
-    override suspend fun getSessionVerificationController(): SessionVerificationController = FakeRustSessionVerificationController()
+    override suspend fun getSessionVerificationController(): SessionVerificationController = FakeFfiSessionVerificationController()
     override suspend fun ignoredUsers(): List<String> {
         return emptyList()
     }
     override fun subscribeToIgnoredUsers(listener: IgnoredUsersListener): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     override suspend fun getProfile(userId: String): UserProfile {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiClientBuilder.kt

@@ -20,7 +20,7 @@ import uniffi.matrix_sdk.BackupDownloadStrategy
 import uniffi.matrix_sdk_crypto.CollectStrategy
 import uniffi.matrix_sdk_crypto.TrustRequirement
 
-class FakeRustClientBuilder : ClientBuilder(NoPointer) {
+class FakeFfiClientBuilder : ClientBuilder(NoPointer) {
     override fun addRootCertificates(certificates: List<ByteArray>) = this
     override fun autoEnableBackups(autoEnableBackups: Boolean) = this
     override fun autoEnableCrossSigning(autoEnableCrossSigning: Boolean) = this
@@ -43,10 +43,10 @@ class FakeRustClientBuilder : ClientBuilder(NoPointer) {
     override fun username(username: String) = this
 
     override suspend fun buildWithQrCode(qrCodeData: QrCodeData, oidcConfiguration: OidcConfiguration, progressListener: QrLoginProgressListener): Client {
-        return FakeRustClient()
+        return FakeFfiClient()
     }
 
     override suspend fun build(): Client {
-        return FakeRustClient(withUtdHook = {})
+        return FakeFfiClient(withUtdHook = {})
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiEncryption.kt

@@ -17,13 +17,13 @@ import org.matrix.rustcomponents.sdk.RecoveryStateListener
 import org.matrix.rustcomponents.sdk.TaskHandle
 import org.matrix.rustcomponents.sdk.VerificationStateListener
 
-class FakeRustEncryption : Encryption(NoPointer) {
+class FakeFfiEncryption : Encryption(NoPointer) {
     override fun verificationStateListener(listener: VerificationStateListener): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     override fun recoveryStateListener(listener: RecoveryStateListener): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     override suspend fun waitForE2eeInitializationTasks() = simulateLongTask {}
@@ -41,6 +41,6 @@ class FakeRustEncryption : Encryption(NoPointer) {
     }
 
     override fun backupStateListener(listener: BackupStateListener): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiHomeserverLoginDetails.kt

@@ -10,7 +10,7 @@ package io.element.android.libraries.matrix.impl.fixtures.fakes
 import org.matrix.rustcomponents.sdk.HomeserverLoginDetails
 import org.matrix.rustcomponents.sdk.NoPointer
 
-class FakeRustHomeserverLoginDetails(
+class FakeFfiHomeserverLoginDetails(
     private val url: String = "https://example.org",
     private val supportsPasswordLogin: Boolean = true,
     private val supportsOidcLogin: Boolean = false

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiLazyTimelineItemProvider.kt

@@ -14,7 +14,7 @@ import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.SendHandle
 import org.matrix.rustcomponents.sdk.ShieldState
 
-class FakeRustLazyTimelineItemProvider(
+class FakeFfiLazyTimelineItemProvider(
     private val debugInfo: EventTimelineItemDebugInfo = anEventTimelineItemDebugInfo(),
     private val shieldsState: ShieldState? = null,
 ) : LazyTimelineItemProvider(NoPointer) {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiNotificationClient.kt

@@ -12,7 +12,7 @@ import org.matrix.rustcomponents.sdk.NotificationClient
 import org.matrix.rustcomponents.sdk.NotificationItem
 import org.matrix.rustcomponents.sdk.NotificationItemsRequest
 
-class FakeRustNotificationClient(
+class FakeFfiNotificationClient(
     var notificationItemResult: Map<String, NotificationItem> = emptyMap(),
 ) : NotificationClient(NoPointer) {
     override suspend fun getNotifications(requests: List<NotificationItemsRequest>): Map<String, NotificationItem> {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiNotificationSettings.kt

@@ -13,7 +13,7 @@ import org.matrix.rustcomponents.sdk.NotificationSettings
 import org.matrix.rustcomponents.sdk.NotificationSettingsDelegate
 import org.matrix.rustcomponents.sdk.RoomNotificationSettings
 
-class FakeRustNotificationSettings(
+class FakeFfiNotificationSettings(
     private val roomNotificationSettings: RoomNotificationSettings = aRustRoomNotificationSettings(),
 ) : NotificationSettings(NoPointer) {
     private var delegate: NotificationSettingsDelegate? = null

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiQrCodeData.kt

@@ -11,7 +11,7 @@ import io.element.android.tests.testutils.lambda.lambdaError
 import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.QrCodeData
 
-class FakeQrCodeData(
+class FakeFfiQrCodeData(
     private val serverNameResult: () -> String? = { lambdaError() },
 ) : QrCodeData(NoPointer) {
     override fun serverName(): String? {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiRoom.kt

@@ -17,7 +17,7 @@ import org.matrix.rustcomponents.sdk.Room
 import org.matrix.rustcomponents.sdk.RoomInfo
 import org.matrix.rustcomponents.sdk.RoomMembersIterator
 
-class FakeRustRoom(
+class FakeFfiRoom(
     private val roomId: RoomId = A_ROOM_ID,
     private val getMembers: () -> RoomMembersIterator = { lambdaError() },
     private val getMembersNoSync: () -> RoomMembersIterator = { lambdaError() },

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiRoomDirectorySearch.kt

@@ -14,7 +14,7 @@ import org.matrix.rustcomponents.sdk.RoomDirectorySearchEntriesListener
 import org.matrix.rustcomponents.sdk.RoomDirectorySearchEntryUpdate
 import org.matrix.rustcomponents.sdk.TaskHandle
 
-class FakeRustRoomDirectorySearch(
+class FakeFfiRoomDirectorySearch(
     var isAtLastPage: Boolean = false,
 ) : RoomDirectorySearch(NoPointer) {
     override suspend fun isAtLastPage(): Boolean {
@@ -28,7 +28,7 @@ class FakeRustRoomDirectorySearch(
 
     override suspend fun results(listener: RoomDirectorySearchEntriesListener): TaskHandle {
         this.listener = listener
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     fun emitResult(roomEntriesUpdate: List<RoomDirectorySearchEntryUpdate>) {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiRoomList.kt

@@ -10,4 +10,4 @@ package io.element.android.libraries.matrix.impl.fixtures.fakes
 import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.RoomList
 
-class FakeRustRoomList : RoomList(NoPointer)
+class FakeFfiRoomList : RoomList(NoPointer)

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiRoomListService.kt

@@ -15,9 +15,9 @@ import org.matrix.rustcomponents.sdk.RoomListServiceSyncIndicator
 import org.matrix.rustcomponents.sdk.RoomListServiceSyncIndicatorListener
 import org.matrix.rustcomponents.sdk.TaskHandle
 
-class FakeRustRoomListService : RoomListService(NoPointer) {
+class FakeFfiRoomListService : RoomListService(NoPointer) {
     override suspend fun allRooms(): RoomList {
-        return FakeRustRoomList()
+        return FakeFfiRoomList()
     }
 
     private var listener: RoomListServiceSyncIndicatorListener? = null
@@ -27,7 +27,7 @@ class FakeRustRoomListService : RoomListService(NoPointer) {
         listener: RoomListServiceSyncIndicatorListener,
     ): TaskHandle {
         this.listener = listener
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     fun emitRoomListServiceSyncIndicator(syncIndicator: RoomListServiceSyncIndicator) {
@@ -35,6 +35,6 @@ class FakeRustRoomListService : RoomListService(NoPointer) {
     }
 
     override fun state(listener: RoomListServiceStateListener): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiRoomMembersIterator.kt

@@ -11,7 +11,7 @@ import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.RoomMember
 import org.matrix.rustcomponents.sdk.RoomMembersIterator
 
-class FakeRustRoomMembersIterator(
+class FakeFfiRoomMembersIterator(
     private var members: List<RoomMember>? = null
 ) : RoomMembersIterator(NoPointer) {
     override fun len(): UInt {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSessionVerificationController.kt

@@ -11,6 +11,6 @@ import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.SessionVerificationController
 import org.matrix.rustcomponents.sdk.SessionVerificationControllerDelegate
 
-class FakeRustSessionVerificationController : SessionVerificationController(NoPointer) {
+class FakeFfiSessionVerificationController : SessionVerificationController(NoPointer) {
     override fun setDelegate(delegate: SessionVerificationControllerDelegate?) {}
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncService.kt

@@ -13,12 +13,12 @@ import org.matrix.rustcomponents.sdk.SyncService
 import org.matrix.rustcomponents.sdk.SyncServiceStateObserver
 import org.matrix.rustcomponents.sdk.TaskHandle
 
-class FakeRustSyncService(
+class FakeFfiSyncService(
-    private val roomListService: RoomListService = FakeRustRoomListService(),
+    private val roomListService: RoomListService = FakeFfiRoomListService(),
 ) : SyncService(NoPointer) {
     override fun roomListService(): RoomListService = roomListService
     override fun state(listener: SyncServiceStateObserver): TaskHandle {
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
     override suspend fun stop() {}
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncServiceBuilder.kt

@@ -11,7 +11,7 @@ import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.SyncService
 import org.matrix.rustcomponents.sdk.SyncServiceBuilder
 
-class FakeRustSyncServiceBuilder : SyncServiceBuilder(NoPointer) {
+class FakeFfiSyncServiceBuilder : SyncServiceBuilder(NoPointer) {
     override fun withOfflineMode(): SyncServiceBuilder = this
-    override suspend fun finish(): SyncService = FakeRustSyncService()
+    override suspend fun finish(): SyncService = FakeFfiSyncService()
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTaskHandle.kt

@@ -10,7 +10,7 @@ package io.element.android.libraries.matrix.impl.fixtures.fakes
 import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.TaskHandle
 
-class FakeRustTaskHandle : TaskHandle(NoPointer) {
+class FakeFfiTaskHandle : TaskHandle(NoPointer) {
     override fun cancel() = Unit
     override fun destroy() = Unit
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTimeline.kt

@@ -15,11 +15,11 @@ import org.matrix.rustcomponents.sdk.TimelineDiff
 import org.matrix.rustcomponents.sdk.TimelineListener
 import uniffi.matrix_sdk.RoomPaginationStatus
 
-class FakeRustTimeline : Timeline(NoPointer) {
+class FakeFfiTimeline : Timeline(NoPointer) {
     private var listener: TimelineListener? = null
     override suspend fun addListener(listener: TimelineListener): TaskHandle {
         this.listener = listener
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     fun emitDiff(diff: List<TimelineDiff>) {
@@ -29,7 +29,7 @@ class FakeRustTimeline : Timeline(NoPointer) {
     private var paginationStatusListener: PaginationStatusListener? = null
     override suspend fun subscribeToBackPaginationStatus(listener: PaginationStatusListener): TaskHandle {
         this.paginationStatusListener = listener
-        return FakeRustTaskHandle()
+        return FakeFfiTaskHandle()
     }
 
     fun emitPaginationStatus(status: RoomPaginationStatus) {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTimelineDiff.kt

@@ -14,9 +14,9 @@ import org.matrix.rustcomponents.sdk.TimelineChange
 import org.matrix.rustcomponents.sdk.TimelineDiff
 import org.matrix.rustcomponents.sdk.TimelineItem
 
-class FakeRustTimelineDiff(
+class FakeFfiTimelineDiff(
     private val change: TimelineChange,
-    private val item: TimelineItem? = FakeRustTimelineItem()
+    private val item: TimelineItem? = FakeFfiTimelineItem()
 ) : TimelineDiff(NoPointer) {
     override fun change() = change
     override fun append(): List<TimelineItem>? = item?.let { listOf(it) }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTimelineEvent.kt

@@ -14,7 +14,7 @@ import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.TimelineEvent
 import org.matrix.rustcomponents.sdk.TimelineEventType
 
-class FakeRustTimelineEvent(
+class FakeFfiTimelineEvent(
     val timestamp: ULong = A_FAKE_TIMESTAMP.toULong(),
     val timelineEventType: TimelineEventType = aRustTimelineEventTypeMessageLike(),
     val senderId: String = A_USER_ID_2.value,

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTimelineEventTypeFilter.kt

@@ -10,4 +10,4 @@ package io.element.android.libraries.matrix.impl.fixtures.fakes
 import org.matrix.rustcomponents.sdk.NoPointer
 import org.matrix.rustcomponents.sdk.TimelineEventTypeFilter
 
-class FakeRustTimelineEventTypeFilter : TimelineEventTypeFilter(NoPointer)
+class FakeFfiTimelineEventTypeFilter : TimelineEventTypeFilter(NoPointer)

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiTimelineItem.kt

@@ -13,7 +13,7 @@ import org.matrix.rustcomponents.sdk.TimelineItem
 import org.matrix.rustcomponents.sdk.TimelineUniqueId
 import org.matrix.rustcomponents.sdk.VirtualTimelineItem
 
-class FakeRustTimelineItem(
+class FakeFfiTimelineItem(
     private val asEventResult: EventTimelineItem? = null,
 ) : TimelineItem(NoPointer) {
     override fun asEvent(): EventTimelineItem? = asEventResult

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/notification/RustNotificationServiceTest.kt

@@ -11,7 +11,7 @@ import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.notification.NotificationContent
 import io.element.android.libraries.matrix.api.timeline.item.event.TextMessageType
 import io.element.android.libraries.matrix.impl.fixtures.factories.aRustNotificationItem
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustNotificationClient
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiNotificationClient
 import io.element.android.libraries.matrix.test.AN_EVENT_ID
 import io.element.android.libraries.matrix.test.A_MESSAGE
 import io.element.android.libraries.matrix.test.A_ROOM_ID
@@ -28,7 +28,7 @@ import org.matrix.rustcomponents.sdk.NotificationClient
 class RustNotificationServiceTest {
     @Test
     fun test() = runTest {
-        val notificationClient = FakeRustNotificationClient(
+        val notificationClient = FakeFfiNotificationClient(
             notificationItemResult = mapOf(AN_EVENT_ID.value to aRustNotificationItem()),
         )
         val sut = createRustNotificationService(
@@ -48,7 +48,7 @@ class RustNotificationServiceTest {
     }
 
     private fun TestScope.createRustNotificationService(
-        notificationClient: NotificationClient = FakeRustNotificationClient(),
+        notificationClient: NotificationClient = FakeFfiNotificationClient(),
         clock: SystemClock = FakeSystemClock(),
     ) =
         RustNotificationService(

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/notificationsettings/RustNotificationSettingsServiceTest.kt

@@ -9,8 +9,8 @@ package io.element.android.libraries.matrix.impl.notificationsettings
 
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustClient
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiClient
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustNotificationSettings
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiNotificationSettings
 import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.coroutines.test.TestScope
@@ -32,9 +32,9 @@ class RustNotificationSettingsServiceTest {
     }
 
     private fun TestScope.createRustNotificationSettingsService(
-        notificationSettings: NotificationSettings = FakeRustNotificationSettings(),
+        notificationSettings: NotificationSettings = FakeFfiNotificationSettings(),
     ) = RustNotificationSettingsService(
-        client = FakeRustClient(
+        client = FakeFfiClient(
             notificationSettings = notificationSettings,
         ),
         sessionCoroutineScope = this,

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/pushers/RustPushersServiceTest.kt

@@ -9,7 +9,7 @@ package io.element.android.libraries.matrix.impl.pushers
 
 import io.element.android.libraries.matrix.api.pusher.SetHttpPusherData
 import io.element.android.libraries.matrix.api.pusher.UnsetHttpPusherData
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustClient
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiClient
 import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
@@ -18,7 +18,7 @@ class RustPushersServiceTest {
     @Test
     fun `setPusher should invoke the client method`() = runTest {
         val sut = RustPushersService(
-            client = FakeRustClient(),
+            client = FakeFfiClient(),
             dispatchers = testCoroutineDispatchers()
         )
         sut.setHttpPusher(
@@ -29,7 +29,7 @@ class RustPushersServiceTest {
     @Test
     fun `unsetPusher should invoke the client method`() = runTest {
         val sut = RustPushersService(
-            client = FakeRustClient(),
+            client = FakeFfiClient(),
             dispatchers = testCoroutineDispatchers()
         )
         sut.unsetHttpPusher(

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/room/FakeTimelineEventTypeFilterFactory.kt

@@ -8,11 +8,11 @@
 package io.element.android.libraries.matrix.impl.room
 
 import io.element.android.libraries.matrix.api.room.StateEventType
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineEventTypeFilter
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineEventTypeFilter
 import org.matrix.rustcomponents.sdk.TimelineEventTypeFilter
 
 class FakeTimelineEventTypeFilterFactory : TimelineEventTypeFilterFactory {
     override fun create(listStateEventType: List<StateEventType>): TimelineEventTypeFilter {
-        return FakeRustTimelineEventTypeFilter()
+        return FakeFfiTimelineEventTypeFilter()
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/room/RustBaseRoomTest.kt

@@ -14,8 +14,8 @@ import io.element.android.libraries.matrix.api.room.CurrentUserMembership
 import io.element.android.libraries.matrix.api.room.RoomInfo
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
 import io.element.android.libraries.matrix.api.timeline.item.event.MembershipChange
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoom
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoom
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomListService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomListService
 import io.element.android.libraries.matrix.test.A_DEVICE_ID
 import io.element.android.libraries.matrix.test.A_SESSION_ID
 import io.element.android.libraries.matrix.test.room.aRoomInfo
@@ -41,7 +41,7 @@ class RustBaseRoomTest {
         val roomMembershipObserver = RoomMembershipObserver()
         val rustBaseRoom = createRustBaseRoom(
             initialRoomInfo = aRoomInfo(currentUserMembership = CurrentUserMembership.JOINED),
-            innerRoom = FakeRustRoom(
+            innerRoom = FakeFfiRoom(
                 leaveLambda = {
                     // Simulate a successful leave
                 }
@@ -61,7 +61,7 @@ class RustBaseRoomTest {
         val roomMembershipObserver = RoomMembershipObserver()
         val rustBaseRoom = createRustBaseRoom(
             initialRoomInfo = aRoomInfo(currentUserMembership = CurrentUserMembership.KNOCKED),
-            innerRoom = FakeRustRoom(
+            innerRoom = FakeFfiRoom(
                 leaveLambda = {
                     // Simulate a successful leave
                 }
@@ -81,7 +81,7 @@ class RustBaseRoomTest {
         val roomMembershipObserver = RoomMembershipObserver()
         val rustBaseRoom = createRustBaseRoom(
             initialRoomInfo = aRoomInfo(currentUserMembership = CurrentUserMembership.INVITED),
-            innerRoom = FakeRustRoom(
+            innerRoom = FakeFfiRoom(
                 leaveLambda = {
                     // Simulate a successful leave
                 }
@@ -101,7 +101,7 @@ class RustBaseRoomTest {
         val roomMembershipObserver = RoomMembershipObserver()
         val rustBaseRoom = createRustBaseRoom(
             initialRoomInfo = aRoomInfo(currentUserMembership = CurrentUserMembership.INVITED),
-            innerRoom = FakeRustRoom(
+            innerRoom = FakeFfiRoom(
                 leaveLambda = { error("Leave failed") }
             ),
             roomMembershipObserver = roomMembershipObserver,
@@ -127,7 +127,7 @@ class RustBaseRoomTest {
 
     private fun TestScope.createRustBaseRoom(
         initialRoomInfo: RoomInfo = aRoomInfo(),
-        innerRoom: FakeRustRoom = FakeRustRoom(),
+        innerRoom: FakeFfiRoom = FakeFfiRoom(),
         roomMembershipObserver: RoomMembershipObserver = RoomMembershipObserver(),
     ): RustBaseRoom {
         val dispatchers = testCoroutineDispatchers()
@@ -137,7 +137,7 @@ class RustBaseRoomTest {
             innerRoom = innerRoom,
             coroutineDispatchers = dispatchers,
             roomSyncSubscriber = RoomSyncSubscriber(
-                roomListService = FakeRustRoomListService(),
+                roomListService = FakeFfiRoomListService(),
                 dispatchers = dispatchers,
             ),
             roomMembershipObserver = roomMembershipObserver,

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/room/member/RoomMemberListFetcherTest.kt

@@ -12,8 +12,8 @@ import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.room.RoomMembersState
 import io.element.android.libraries.matrix.api.room.roomMembers
 import io.element.android.libraries.matrix.impl.fixtures.factories.aRustRoomMember
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoom
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoom
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomMembersIterator
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomMembersIterator
 import io.element.android.libraries.matrix.impl.room.member.RoomMemberListFetcher.Source.CACHE
 import io.element.android.libraries.matrix.impl.room.member.RoomMemberListFetcher.Source.CACHE_AND_SERVER
 import io.element.android.libraries.matrix.impl.room.member.RoomMemberListFetcher.Source.SERVER
@@ -28,8 +28,8 @@ import org.junit.Test
 class RoomMemberListFetcherTest {
     @Test
     fun `fetchRoomMembers with CACHE source - emits cached members, if any`() = runTest {
-        val room = FakeRustRoom(getMembersNoSync = {
+        val room = FakeFfiRoom(getMembersNoSync = {
-            FakeRustRoomMembersIterator(
+            FakeFfiRoomMembersIterator(
                 listOf(
                     aRustRoomMember(A_USER_ID),
                     aRustRoomMember(A_USER_ID_2),
@@ -55,8 +55,8 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with CACHE source - emits empty list, if no members exist`() = runTest {
-        val room = FakeRustRoom(getMembersNoSync = {
+        val room = FakeFfiRoom(getMembersNoSync = {
-            FakeRustRoomMembersIterator(emptyList())
+            FakeFfiRoomMembersIterator(emptyList())
         })
 
         val fetcher = RoomMemberListFetcher(room, Dispatchers.Default)
@@ -70,7 +70,7 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with CACHE source - emits Error on error found`() = runTest {
-        val room = FakeRustRoom(getMembersNoSync = {
+        val room = FakeFfiRoom(getMembersNoSync = {
             error("Some unexpected issue")
         })
 
@@ -85,8 +85,8 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with CACHE source - emits all items at once`() = runTest {
-        val room = FakeRustRoom(getMembersNoSync = {
+        val room = FakeFfiRoom(getMembersNoSync = {
-            FakeRustRoomMembersIterator(
+            FakeFfiRoomMembersIterator(
                 listOf(
                     aRustRoomMember(A_USER_ID),
                     aRustRoomMember(A_USER_ID_2),
@@ -112,8 +112,8 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with SERVER source - emits only new members, if any`() = runTest {
-        val room = FakeRustRoom(getMembers = {
+        val room = FakeFfiRoom(getMembers = {
-            FakeRustRoomMembersIterator(
+            FakeFfiRoomMembersIterator(
                 listOf(
                     aRustRoomMember(A_USER_ID),
                     aRustRoomMember(A_USER_ID_2),
@@ -134,7 +134,7 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with SERVER source - on error it emits an Error item`() = runTest {
-        val room = FakeRustRoom(getMembers = { error("An unexpected error") })
+        val room = FakeFfiRoom(getMembers = { error("An unexpected error") })
 
         val fetcher = RoomMemberListFetcher(room, Dispatchers.Default)
         fetcher.membersFlow.test {
@@ -148,12 +148,12 @@ class RoomMemberListFetcherTest {
 
     @Test
     fun `fetchRoomMembers with CACHE_AND_SERVER source - returns cached items first, then new ones`() = runTest {
-        val room = FakeRustRoom(
+        val room = FakeFfiRoom(
             getMembersNoSync = {
-                FakeRustRoomMembersIterator(listOf(aRustRoomMember(A_USER_ID_4)))
+                FakeFfiRoomMembersIterator(listOf(aRustRoomMember(A_USER_ID_4)))
             },
             getMembers = {
-                FakeRustRoomMembersIterator(
+                FakeFfiRoomMembersIterator(
                     listOf(
                         aRustRoomMember(A_USER_ID),
                         aRustRoomMember(A_USER_ID_2),

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/roomdirectory/RustBaseRoomDirectoryListTest.kt

@@ -11,7 +11,7 @@ import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.roomdirectory.RoomDirectoryList
 import io.element.android.libraries.matrix.impl.fixtures.factories.aRustRoomDescription
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomDirectorySearch
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomDirectorySearch
 import io.element.android.libraries.matrix.test.A_ROOM_ID_2
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.StandardTestDispatcher
@@ -26,7 +26,7 @@ import org.matrix.rustcomponents.sdk.RoomDirectorySearchEntryUpdate
 class RustBaseRoomDirectoryListTest {
     @Test
     fun `check that the state emits the expected values`() = runTest {
-        val roomDirectorySearch = FakeRustRoomDirectorySearch()
+        val roomDirectorySearch = FakeFfiRoomDirectorySearch()
         val mapper = RoomDescriptionMapper()
         val sut = createRustRoomDirectoryList(
             roomDirectorySearch = roomDirectorySearch,
@@ -78,7 +78,7 @@ class RustBaseRoomDirectoryListTest {
     }
 
     private fun TestScope.createRustRoomDirectoryList(
-        roomDirectorySearch: RoomDirectorySearch = FakeRustRoomDirectorySearch(),
+        roomDirectorySearch: RoomDirectorySearch = FakeFfiRoomDirectorySearch(),
     ) = RustRoomDirectoryList(
         inner = roomDirectorySearch,
         coroutineScope = backgroundScope,

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/roomdirectory/RustBaseRoomDirectoryServiceTest.kt

@@ -7,7 +7,7 @@
 
 package io.element.android.libraries.matrix.impl.roomdirectory
 
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustClient
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiClient
 import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
@@ -15,7 +15,7 @@ import org.junit.Test
 class RustBaseRoomDirectoryServiceTest {
     @Test
     fun test() = runTest {
-        val client = FakeRustClient()
+        val client = FakeFfiClient()
         val sut = RustRoomDirectoryService(
             client = client,
             sessionDispatcher = StandardTestDispatcher(testScheduler),

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomListFactoryTest.kt

@@ -7,8 +7,8 @@
 
 package io.element.android.libraries.matrix.impl.roomlist
 
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomList
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomList
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomListService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomListService
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
 import kotlin.coroutines.EmptyCoroutineContext
@@ -17,14 +17,14 @@ class RoomListFactoryTest {
     @Test
     fun `createRoomList should work`() = runTest {
         val sut = RoomListFactory(
-            innerRoomListService = FakeRustRoomListService(),
+            innerRoomListService = FakeFfiRoomListService(),
             sessionCoroutineScope = backgroundScope,
         )
         sut.createRoomList(
             pageSize = 10,
             coroutineContext = EmptyCoroutineContext,
         ) {
-            FakeRustRoomList()
+            FakeFfiRoomList()
         }
     }
 }

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomSummaryListProcessorTest.kt

@@ -10,8 +10,8 @@ package io.element.android.libraries.matrix.impl.roomlist
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.roomlist.RoomSummary
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoom
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoom
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomListService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomListService
 import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.libraries.matrix.test.A_ROOM_ID_2
 import io.element.android.libraries.matrix.test.A_ROOM_ID_3
@@ -170,14 +170,14 @@ class RoomSummaryListProcessorTest {
         assertThat(summaries.value[index].roomId).isEqualTo(A_ROOM_ID_3)
     }
 
-    private fun aRustRoom(roomId: RoomId = A_ROOM_ID) = FakeRustRoom(
+    private fun aRustRoom(roomId: RoomId = A_ROOM_ID) = FakeFfiRoom(
         roomId = roomId,
         latestEventLambda = { null },
     )
 
     private fun TestScope.createProcessor() = RoomSummaryListProcessor(
         summaries,
-        FakeRustRoomListService(),
+        FakeFfiRoomListService(),
         coroutineContext = StandardTestDispatcher(testScheduler),
         roomSummaryDetailsFactory = RoomSummaryFactory(),
     )

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/roomlist/RustBaseRoomListServiceTest.kt

@@ -9,7 +9,7 @@ package io.element.android.libraries.matrix.impl.roomlist
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.roomlist.RoomListService
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomListService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomListService
 import io.element.android.libraries.matrix.impl.room.RoomSyncSubscriber
 import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -25,7 +25,7 @@ import org.matrix.rustcomponents.sdk.RoomListService as RustRoomListService
 class RustBaseRoomListServiceTest {
     @Test
     fun `syncIndicator should emit the expected values`() = runTest {
-        val roomListService = FakeRustRoomListService()
+        val roomListService = FakeFfiRoomListService()
         val sut = createRustRoomListService(
             roomListService = roomListService,
         )
@@ -42,7 +42,7 @@ class RustBaseRoomListServiceTest {
 }
 
 private fun TestScope.createRustRoomListService(
-    roomListService: RustRoomListService = FakeRustRoomListService(),
+    roomListService: RustRoomListService = FakeFfiRoomListService(),
 ) = RustRoomListService(
     innerRoomListService = roomListService,
     sessionDispatcher = StandardTestDispatcher(testScheduler),

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/MatrixTimelineDiffProcessorTest.kt

@@ -9,7 +9,7 @@ package io.element.android.libraries.matrix.impl.timeline
 
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.timeline.MatrixTimelineItem
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineDiff
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineDiff
 import io.element.android.libraries.matrix.impl.timeline.item.event.EventTimelineItemMapper
 import io.element.android.libraries.matrix.impl.timeline.item.event.TimelineEventContentMapper
 import io.element.android.libraries.matrix.impl.timeline.item.virtual.VirtualTimelineItemMapper
@@ -33,7 +33,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Append adds new entries at the end of the list`() = runTest {
         timelineItems.value = listOf(anEvent)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.APPEND)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.APPEND)))
         assertThat(timelineItems.value.count()).isEqualTo(2)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -45,7 +45,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `PushBack adds a new entry at the end of the list`() = runTest {
         timelineItems.value = listOf(anEvent)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.PUSH_BACK)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.PUSH_BACK)))
         assertThat(timelineItems.value.count()).isEqualTo(2)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -57,7 +57,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `PushFront inserts a new entry at the start of the list`() = runTest {
         timelineItems.value = listOf(anEvent)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.PUSH_FRONT)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.PUSH_FRONT)))
         assertThat(timelineItems.value.count()).isEqualTo(2)
         assertThat(timelineItems.value).containsExactly(
             MatrixTimelineItem.Other,
@@ -69,7 +69,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Set replaces an entry at some index`() = runTest {
         timelineItems.value = listOf(anEvent, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.SET)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.SET)))
         assertThat(timelineItems.value.count()).isEqualTo(2)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -81,7 +81,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Insert inserts a new entry at the provided index`() = runTest {
         timelineItems.value = listOf(anEvent, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.INSERT)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.INSERT)))
         assertThat(timelineItems.value.count()).isEqualTo(3)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -94,7 +94,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Remove removes an entry at some index`() = runTest {
         timelineItems.value = listOf(anEvent, MatrixTimelineItem.Other, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.REMOVE)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.REMOVE)))
         assertThat(timelineItems.value.count()).isEqualTo(2)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -106,7 +106,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `PopBack removes an entry at the end of the list`() = runTest {
         timelineItems.value = listOf(anEvent, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.POP_BACK)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.POP_BACK)))
         assertThat(timelineItems.value.count()).isEqualTo(1)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -117,7 +117,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `PopFront removes an entry at the start of the list`() = runTest {
         timelineItems.value = listOf(anEvent, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.POP_FRONT)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.POP_FRONT)))
         assertThat(timelineItems.value.count()).isEqualTo(1)
         assertThat(timelineItems.value).containsExactly(
             anEvent2,
@@ -128,7 +128,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Clear removes all the entries`() = runTest {
         timelineItems.value = listOf(anEvent, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.CLEAR)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.CLEAR)))
         assertThat(timelineItems.value).isEmpty()
     }
 
@@ -136,7 +136,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Truncate removes all entries after the provided length`() = runTest {
         timelineItems.value = listOf(anEvent, MatrixTimelineItem.Other, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.TRUNCATE)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.TRUNCATE)))
         assertThat(timelineItems.value.count()).isEqualTo(1)
         assertThat(timelineItems.value).containsExactly(
             anEvent,
@@ -147,7 +147,7 @@ class MatrixTimelineDiffProcessorTest {
     fun `Reset removes all entries and add the provided ones`() = runTest {
         timelineItems.value = listOf(anEvent, MatrixTimelineItem.Other, anEvent2)
         val processor = createMatrixTimelineDiffProcessor(timelineItems)
-        processor.postDiffs(listOf(FakeRustTimelineDiff(change = TimelineChange.RESET)))
+        processor.postDiffs(listOf(FakeFfiTimelineDiff(change = TimelineChange.RESET)))
         assertThat(timelineItems.value.count()).isEqualTo(1)
         assertThat(timelineItems.value).containsExactly(
             MatrixTimelineItem.Other,

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/RustTimelineTest.kt

@@ -16,9 +16,9 @@ import io.element.android.libraries.matrix.api.room.JoinedRoom
 import io.element.android.libraries.matrix.api.timeline.MatrixTimelineItem
 import io.element.android.libraries.matrix.api.timeline.Timeline
 import io.element.android.libraries.matrix.api.timeline.item.virtual.VirtualTimelineItem
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustRoomListService
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiRoomListService
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimeline
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimeline
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineDiff
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineDiff
 import io.element.android.libraries.matrix.impl.room.RoomContentForwarder
 import io.element.android.libraries.matrix.test.room.FakeJoinedRoom
 import io.element.android.libraries.matrix.test.room.aRoomInfo
@@ -40,7 +40,7 @@ import org.matrix.rustcomponents.sdk.Timeline as InnerTimeline
 class RustTimelineTest {
     @Test
     fun `ensure that the timeline emits new loading item when pagination does not bring new events`() = runTest {
-        val inner = FakeRustTimeline()
+        val inner = FakeFfiTimeline()
         val systemClock = FakeSystemClock()
         val sut = createRustTimeline(
             inner = inner,
@@ -51,7 +51,7 @@ class RustTimelineTest {
             runCurrent()
             inner.emitDiff(
                 listOf(
-                    FakeRustTimelineDiff(
+                    FakeFfiTimelineDiff(
                         item = null,
                         change = TimelineChange.RESET,
                     )
@@ -106,7 +106,7 @@ private fun TestScope.createRustTimeline(
     joinedRoom: JoinedRoom = FakeJoinedRoom().apply { givenRoomInfo(aRoomInfo()) },
     coroutineScope: CoroutineScope = backgroundScope,
     dispatcher: CoroutineDispatcher = testCoroutineDispatchers().io,
-    roomContentForwarder: RoomContentForwarder = RoomContentForwarder(FakeRustRoomListService()),
+    roomContentForwarder: RoomContentForwarder = RoomContentForwarder(FakeFfiRoomListService()),
     featureFlagsService: FeatureFlagService = FakeFeatureFlagService(),
     onNewSyncedEvent: () -> Unit = {},
 ): RustTimeline {

libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/timeline/TimelineItemsSubscriberTest.kt

@@ -11,9 +11,9 @@ import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.matrix.api.timeline.MatrixTimelineItem
 import io.element.android.libraries.matrix.impl.fixtures.factories.aRustEventTimelineItem
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimeline
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimeline
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineDiff
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineDiff
-import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeRustTimelineItem
+import io.element.android.libraries.matrix.impl.fixtures.fakes.FakeFfiTimelineItem
 import io.element.android.tests.testutils.lambda.lambdaError
 import io.element.android.tests.testutils.lambda.lambdaRecorder
 import kotlinx.coroutines.CompletableDeferred
@@ -35,7 +35,7 @@ class TimelineItemsSubscriberTest {
     fun `when timeline emits an empty list of items, the flow must emits an empty list`() = runTest {
         val timelineItems: MutableSharedFlow<List<MatrixTimelineItem>> =
             MutableSharedFlow(replay = 1, extraBufferCapacity = Int.MAX_VALUE)
-        val timeline = FakeRustTimeline()
+        val timeline = FakeFfiTimeline()
         val timelineItemsSubscriber = createTimelineItemsSubscriber(
             timeline = timeline,
             timelineItems = timelineItems,
@@ -44,7 +44,7 @@ class TimelineItemsSubscriberTest {
             timelineItemsSubscriber.subscribeIfNeeded()
             // Wait for the listener to be set.
             runCurrent()
-            timeline.emitDiff(listOf(FakeRustTimelineDiff(item = null, change = TimelineChange.RESET)))
+            timeline.emitDiff(listOf(FakeFfiTimelineDiff(item = null, change = TimelineChange.RESET)))
             val final = awaitItem()
             assertThat(final).isEmpty()
             timelineItemsSubscriber.unsubscribeIfNeeded()
@@ -55,7 +55,7 @@ class TimelineItemsSubscriberTest {
     fun `when timeline emits a non empty list of items, the flow must emits a non empty list`() = runTest {
         val timelineItems: MutableSharedFlow<List<MatrixTimelineItem>> =
             MutableSharedFlow(replay = 1, extraBufferCapacity = Int.MAX_VALUE)
-        val timeline = FakeRustTimeline()
+        val timeline = FakeFfiTimeline()
         val timelineItemsSubscriber = createTimelineItemsSubscriber(
             timeline = timeline,
             timelineItems = timelineItems,
@@ -64,7 +64,7 @@ class TimelineItemsSubscriberTest {
             timelineItemsSubscriber.subscribeIfNeeded()
             // Wait for the listener to be set.
             runCurrent()
-            timeline.emitDiff(listOf(FakeRustTimelineDiff(item = FakeRustTimelineItem(), change = TimelineChange.RESET)))
+            timeline.emitDiff(listOf(FakeFfiTimelineDiff(item = FakeFfiTimelineItem(), change = TimelineChange.RESET)))
             val final = awaitItem()
             assertThat(final).isNotEmpty()
             timelineItemsSubscriber.unsubscribeIfNeeded()
@@ -75,7 +75,7 @@ class TimelineItemsSubscriberTest {
     fun `when timeline emits an item with SYNC origin, the callback onNewSyncedEvent is invoked`() = runTest {
         val timelineItems: MutableSharedFlow<List<MatrixTimelineItem>> =
             MutableSharedFlow(replay = 1, extraBufferCapacity = Int.MAX_VALUE)
-        val timeline = FakeRustTimeline()
+        val timeline = FakeFfiTimeline()
         val onNewSyncedEventRecorder = lambdaRecorder<Unit> { }
         val timelineItemsSubscriber = createTimelineItemsSubscriber(
             timeline = timeline,
@@ -88,8 +88,8 @@ class TimelineItemsSubscriberTest {
             runCurrent()
             timeline.emitDiff(
                 listOf(
-                    FakeRustTimelineDiff(
+                    FakeFfiTimelineDiff(
-                        item = FakeRustTimelineItem(
+                        item = FakeFfiTimelineItem(
                             asEventResult = aRustEventTimelineItem(origin = EventItemOrigin.SYNC),
                         ),
                         change = TimelineChange.RESET,
@@ -114,7 +114,7 @@ class TimelineItemsSubscriberTest {
 }
 
 private fun TestScope.createTimelineItemsSubscriber(
-    timeline: Timeline = FakeRustTimeline(),
+    timeline: Timeline = FakeFfiTimeline(),
     timelineItems: MutableSharedFlow<List<MatrixTimelineItem>> = MutableSharedFlow(replay = 1, extraBufferCapacity = Int.MAX_VALUE),
     initLatch: CompletableDeferred<Unit> = CompletableDeferred(),
     isTimelineInitialized: MutableStateFlow<Boolean> = MutableStateFlow(false),

tests/konsist/src/test/kotlin/io/element/android/tests/konsist/KonsistClassNameTest.kt

@@ -15,6 +15,7 @@ import com.lemonappdev.konsist.api.ext.list.withAllParentsOf
 import com.lemonappdev.konsist.api.ext.list.withAnnotationNamed
 import com.lemonappdev.konsist.api.ext.list.withNameContaining
 import com.lemonappdev.konsist.api.ext.list.withNameEndingWith
+import com.lemonappdev.konsist.api.ext.list.withPackage
 import com.lemonappdev.konsist.api.ext.list.withoutName
 import com.lemonappdev.konsist.api.ext.list.withoutNameStartingWith
 import com.lemonappdev.konsist.api.verify.assertEmpty
@@ -89,9 +90,9 @@ class KonsistClassNameTest {
             )
             .assertTrue {
                 val interfaceName = it.name
-                    .replace("FakeRust", "")
+                    .replace("FakeFfi", "")
                     .replace("Fake", "")
-                val result = (it.name.startsWith("Fake") || it.name.startsWith("FakeRust")) &&
+                val result = it.name.startsWith("Fake") &&
                     it.parents().any { parent ->
                         val parentName = parent.name.replace(".", "")
                         parentName == interfaceName
@@ -106,6 +107,17 @@ class KonsistClassNameTest {
         assertThat(failingCases).isEqualTo(failingCasesList.size)
     }
 
+    @Test
+    fun `All Classes that override a class from the Ffi layer must have 'FakeFfi' prefix`() {
+        Konsist.scopeFromTest()
+            .classes()
+            .withPackage("io.element.android.libraries.matrix.impl.fixtures.fakes")
+            .assertTrue { klass ->
+                val parentName = klass.parents().firstOrNull()?.name.orEmpty()
+                klass.name == "FakeFfi$parentName"
+            }
+    }
+
     @Test
     fun `Class implementing interface should have name not end with 'Impl' but start with 'Default'`() {
         Konsist.scopeFromProject()