knock : improve a bit code and add tests.

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomEvents.kt

@@ -10,8 +10,9 @@ package io.element.android.features.joinroom.impl
 sealed interface JoinRoomEvents {
     data object RetryFetchingContent : JoinRoomEvents
     data object JoinRoom : JoinRoomEvents
-    data class KnockRoom(val message: String) : JoinRoomEvents
+    data object KnockRoom : JoinRoomEvents
     data class CancelKnock(val requiresConfirmation: Boolean) : JoinRoomEvents
+    data class UpdateKnockMessage(val message: String) : JoinRoomEvents
     data object ClearActionStates : JoinRoomEvents
     data object AcceptInvite : JoinRoomEvents
     data object DeclineInvite : JoinRoomEvents

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt

@@ -17,6 +17,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.produceState
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
@@ -24,6 +25,7 @@ import im.vector.app.features.analytics.plan.JoinedRoom
 import io.element.android.features.invite.api.response.AcceptDeclineInviteEvents
 import io.element.android.features.invite.api.response.AcceptDeclineInviteState
 import io.element.android.features.invite.api.response.InviteData
+import io.element.android.features.joinroom.impl.di.CancelKnockRoom
 import io.element.android.features.joinroom.impl.di.KnockRoom
 import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.libraries.architecture.AsyncAction
@@ -46,6 +48,8 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import java.util.Optional
 
+private const val MAX_KNOCK_MESSAGE_LENGTH = 500
+
 class JoinRoomPresenter @AssistedInject constructor(
     @Assisted private val roomId: RoomId,
     @Assisted private val roomIdOrAlias: RoomIdOrAlias,
@@ -55,6 +59,7 @@ class JoinRoomPresenter @AssistedInject constructor(
     private val matrixClient: MatrixClient,
     private val joinRoom: JoinRoom,
     private val knockRoom: KnockRoom,
+    private val cancelKnockRoom: CancelKnockRoom,
     private val acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState>,
     private val buildMeta: BuildMeta,
 ) : Presenter<JoinRoomState> {
@@ -76,6 +81,7 @@ class JoinRoomPresenter @AssistedInject constructor(
         val joinAction: MutableState<AsyncAction<Unit>> = remember { mutableStateOf(AsyncAction.Uninitialized) }
         val knockAction: MutableState<AsyncAction<Unit>> = remember { mutableStateOf(AsyncAction.Uninitialized) }
         val cancelKnockAction: MutableState<AsyncAction<Unit>> = remember { mutableStateOf(AsyncAction.Uninitialized) }
+        var knockMessage by rememberSaveable { mutableStateOf("") }
         val contentState by produceState<ContentState>(
             initialValue = ContentState.Loading(roomIdOrAlias),
             key1 = roomInfo,
@@ -111,7 +117,7 @@ class JoinRoomPresenter @AssistedInject constructor(
         fun handleEvents(event: JoinRoomEvents) {
             when (event) {
                 JoinRoomEvents.JoinRoom -> coroutineScope.joinRoom(joinAction)
-                is JoinRoomEvents.KnockRoom -> coroutineScope.knockRoom(knockAction, event.message)
+                is JoinRoomEvents.KnockRoom -> coroutineScope.knockRoom(knockAction, knockMessage)
                 JoinRoomEvents.AcceptInvite -> {
                     val inviteData = contentState.toInviteData() ?: return
                     acceptDeclineInviteState.eventSink(
@@ -133,6 +139,9 @@ class JoinRoomPresenter @AssistedInject constructor(
                     joinAction.value = AsyncAction.Uninitialized
                     cancelKnockAction.value = AsyncAction.Uninitialized
                 }
+                is JoinRoomEvents.UpdateKnockMessage -> {
+                    knockMessage = event.message.take(MAX_KNOCK_MESSAGE_LENGTH)
+                }
             }
         }
 
@@ -143,6 +152,7 @@ class JoinRoomPresenter @AssistedInject constructor(
             knockAction = knockAction.value,
             cancelKnockAction = cancelKnockAction.value,
             applicationName = buildMeta.applicationName,
+            knockMessage = knockMessage,
             eventSink = ::handleEvents
         )
     }
@@ -159,7 +169,7 @@ class JoinRoomPresenter @AssistedInject constructor(
 
     private fun CoroutineScope.knockRoom(knockAction: MutableState<AsyncAction<Unit>>, message: String) = launch {
         knockAction.runUpdatingState {
-            knockRoom(roomId)
+            knockRoom(roomIdOrAlias, message, serverNames)
         }
     }
 
@@ -167,15 +177,8 @@ class JoinRoomPresenter @AssistedInject constructor(
         if (requiresConfirmation) {
             cancelKnockAction.value = AsyncAction.ConfirmingNoParams
         } else {
-            val room = matrixClient.getRoom(roomId)
-            if (room == null) {
-                cancelKnockAction.value = AsyncAction.Failure(RuntimeException())
-            } else {
-                room.use {
-                    cancelKnockAction.runUpdatingState {
-                        room.leave()
-                    }
-                }
+            cancelKnockAction.runUpdatingState {
+                cancelKnockRoom(roomId)
             }
         }
     }

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt

@@ -26,6 +26,7 @@ data class JoinRoomState(
     val knockAction: AsyncAction<Unit>,
     val cancelKnockAction: AsyncAction<Unit>,
     val applicationName: String,
+    val knockMessage: String,
     val eventSink: (JoinRoomEvents) -> Unit
 ) {
     val joinAuthorisationStatus = when (contentState) {

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt

@@ -131,6 +131,7 @@ fun aJoinRoomState(
     joinAction: AsyncAction<Unit> = AsyncAction.Uninitialized,
     knockAction: AsyncAction<Unit> = AsyncAction.Uninitialized,
     cancelKnockAction: AsyncAction<Unit> = AsyncAction.Uninitialized,
+    knockMessage: String = "",
     eventSink: (JoinRoomEvents) -> Unit = {}
 ) = JoinRoomState(
     contentState = contentState,
@@ -139,6 +140,7 @@ fun aJoinRoomState(
     knockAction = knockAction,
     cancelKnockAction = cancelKnockAction,
     applicationName = "AppName",
+    knockMessage = knockMessage,
     eventSink = eventSink
 )
 

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt

@@ -18,7 +18,6 @@ import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.sizeIn
 import androidx.compose.foundation.rememberScrollState
@@ -27,10 +26,6 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -85,7 +80,6 @@ fun JoinRoomView(
     Box(
         modifier = modifier.fillMaxSize(),
     ) {
-        var knockMessage by rememberSaveable { mutableStateOf("") }
         LightGradientBackground()
         HeaderFooterPage(
             containerColor = Color.Transparent,
@@ -97,8 +91,8 @@ fun JoinRoomView(
                 JoinRoomContent(
                     contentState = state.contentState,
                     applicationName = state.applicationName,
-                    knockMessage = knockMessage,
-                    onKnockMessageUpdate = { knockMessage = it },
+                    knockMessage = state.knockMessage,
+                    onKnockMessageUpdate = { state.eventSink(JoinRoomEvents.UpdateKnockMessage(it)) },
                 )
             },
             footer = {
@@ -114,7 +108,7 @@ fun JoinRoomView(
                         state.eventSink(JoinRoomEvents.JoinRoom)
                     },
                     onKnockRoom = {
-                        state.eventSink(JoinRoomEvents.KnockRoom(knockMessage))
+                        state.eventSink(JoinRoomEvents.KnockRoom)
                     },
                     onCancelKnock = {
                         state.eventSink(JoinRoomEvents.CancelKnock(requiresConfirmation = true))
@@ -169,9 +163,11 @@ private fun JoinRoomFooter(
     onGoBack: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
-    Box(modifier = modifier
-            .fillMaxWidth()
-            .padding(top = 8.dp)) {
+    Box(
+        modifier = modifier
+                .fillMaxWidth()
+                .padding(top = 8.dp)
+    ) {
         if (state.contentState is ContentState.Failure) {
             Button(
                 text = stringResource(CommonStrings.action_retry),
@@ -322,7 +318,7 @@ private fun JoinRoomContent(
 }
 
 @Composable
-fun IsKnockedLoadedContent(modifier: Modifier = Modifier) {
+private fun IsKnockedLoadedContent(modifier: Modifier = Modifier) {
     BoxWithConstraints(
         modifier = modifier
                 .fillMaxHeight()
@@ -397,9 +393,9 @@ private fun DefaultLoadedContent(
                     OutlinedTextField(
                         value = knockMessage,
                         onValueChange = onKnockMessageUpdate,
-                        modifier = Modifier
-                                .fillMaxWidth()
-                                .heightIn(min = 90.dp)
+                        maxLines = 3,
+                        minLines = 3,
+                        modifier = Modifier.fillMaxWidth()
                     )
                     Text(
                         text = stringResource(R.string.screen_join_room_knock_message_description),

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/di/CancelKnockRoom.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Please see LICENSE in the repository root for full details.
+ */
+
+package io.element.android.features.joinroom.impl.di
+
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.matrix.api.core.RoomId
+import javax.inject.Inject
+
+interface CancelKnockRoom {
+    suspend operator fun invoke(roomId: RoomId): Result<Unit>
+}
+
+@ContributesBinding(SessionScope::class)
+class DefaultCancelKnockRoom @Inject constructor(private val client: MatrixClient) : CancelKnockRoom {
+    override suspend fun invoke(roomId: RoomId): Result<Unit> {
+        return client
+            .getPendingRoom(roomId)
+            ?.leave()
+            ?: Result.failure(IllegalStateException("No pending room found"))
+    }
+}

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/di/JoinRoomModule.kt

@@ -31,6 +31,7 @@ object JoinRoomModule {
         client: MatrixClient,
         joinRoom: JoinRoom,
         knockRoom: KnockRoom,
+        cancelKnockRoom: CancelKnockRoom,
         acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState>,
         buildMeta: BuildMeta,
     ): JoinRoomPresenter.Factory {
@@ -51,6 +52,7 @@ object JoinRoomModule {
                     matrixClient = client,
                     joinRoom = joinRoom,
                     knockRoom = knockRoom,
+                    cancelKnockRoom = cancelKnockRoom,
                     acceptDeclineInvitePresenter = acceptDeclineInvitePresenter,
                     buildMeta = buildMeta,
                 )

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/di/KnockRoom.kt

@@ -10,18 +10,26 @@ package io.element.android.features.joinroom.impl.di
 import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.libraries.di.SessionScope
 import io.element.android.libraries.matrix.api.MatrixClient
-import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
 import javax.inject.Inject
 
 interface KnockRoom {
-    suspend operator fun invoke(roomId: RoomId): Result<Unit>
+    suspend operator fun invoke(
+        roomIdOrAlias: RoomIdOrAlias,
+        message: String,
+        serverNames: List<String>,
+    ): Result<Unit>
 }
 
 @ContributesBinding(SessionScope::class)
 class DefaultKnockRoom @Inject constructor(private val client: MatrixClient) : KnockRoom {
-    override suspend fun invoke(roomId: RoomId): Result<Unit> {
+    override suspend fun invoke(
+        roomIdOrAlias: RoomIdOrAlias,
+        message: String,
+        serverNames: List<String>
+    ): Result<Unit> {
         return client
-            .knockRoom(roomId)
+            .knockRoom(roomIdOrAlias, message, serverNames)
             .map { }
     }
 }

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/FakeCancelKnockRoom.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Please see LICENSE in the repository root for full details.
+ */
+
+package io.element.android.features.joinroom.impl
+
+import io.element.android.features.joinroom.impl.di.CancelKnockRoom
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.tests.testutils.simulateLongTask
+
+class FakeCancelKnockRoom(
+    var lambda: (RoomId) -> Result<Unit> = { Result.success(Unit) }
+) : CancelKnockRoom {
+    override suspend fun invoke(roomId: RoomId) = simulateLongTask {
+        lambda(roomId)
+    }
+}

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/FakeKnockRoom.kt

@@ -8,13 +8,13 @@
 package io.element.android.features.joinroom.impl
 
 import io.element.android.features.joinroom.impl.di.KnockRoom
-import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
 import io.element.android.tests.testutils.simulateLongTask
 
 class FakeKnockRoom(
-    var lambda: (RoomId) -> Result<Unit> = { Result.success(Unit) }
+    var lambda: (RoomIdOrAlias, String, List<String>) -> Result<Unit> = { _, _, _ -> Result.success(Unit) }
 ) : KnockRoom {
-    override suspend fun invoke(roomId: RoomId) = simulateLongTask {
-        lambda(roomId)
+    override suspend fun invoke(roomIdOrAlias: RoomIdOrAlias, message: String, serverNames: List<String>): Result<Unit> = simulateLongTask {
+        lambda(roomIdOrAlias, message, serverNames)
     }
 }

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenterTest.kt

@@ -12,6 +12,7 @@ import im.vector.app.features.analytics.plan.JoinedRoom
 import io.element.android.features.invite.api.response.AcceptDeclineInviteEvents
 import io.element.android.features.invite.api.response.AcceptDeclineInviteState
 import io.element.android.features.invite.api.response.anAcceptDeclineInviteState
+import io.element.android.features.joinroom.impl.di.CancelKnockRoom
 import io.element.android.features.joinroom.impl.di.KnockRoom
 import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.libraries.architecture.AsyncAction
@@ -37,6 +38,7 @@ import io.element.android.libraries.matrix.test.room.aRoomSummary
 import io.element.android.libraries.matrix.test.room.join.FakeJoinRoom
 import io.element.android.libraries.matrix.ui.model.toInviteSender
 import io.element.android.tests.testutils.WarmUpRule
+import io.element.android.tests.testutils.lambda.any
 import io.element.android.tests.testutils.lambda.assert
 import io.element.android.tests.testutils.lambda.lambdaRecorder
 import io.element.android.tests.testutils.lambda.value
@@ -59,6 +61,8 @@ class JoinRoomPresenterTest {
                 assertThat(state.contentState).isEqualTo(ContentState.Loading(A_ROOM_ID.toRoomIdOrAlias()))
                 assertThat(state.joinAuthorisationStatus).isEqualTo(JoinAuthorisationStatus.Unknown)
                 assertThat(state.acceptDeclineInviteState).isEqualTo(anAcceptDeclineInviteState())
+                assertThat(state.cancelKnockAction).isEqualTo(AsyncAction.Uninitialized)
+                assertThat(state.knockAction).isEqualTo(AsyncAction.Uninitialized)
                 assertThat(state.applicationName).isEqualTo("AppName")
                 cancelAndIgnoreRemainingEvents()
             }
@@ -325,16 +329,20 @@ class JoinRoomPresenterTest {
 
     @Test
     fun `present - emit knock room event`() = runTest {
-        val knockRoomSuccess = lambdaRecorder { _: RoomId ->
+        val knockMessage = "Knock message"
+        val knockRoomSuccess = lambdaRecorder { _: RoomIdOrAlias, _: String, _: List<String> ->
             Result.success(Unit)
         }
-        val knockRoomFailure = lambdaRecorder { roomId: RoomId ->
-            Result.failure<Unit>(RuntimeException("Failed to knock room $roomId"))
+        val knockRoomFailure = lambdaRecorder { roomIdOrAlias: RoomIdOrAlias, _: String, _: List<String> ->
+            Result.failure<Unit>(RuntimeException("Failed to knock room $roomIdOrAlias"))
         }
         val fakeKnockRoom = FakeKnockRoom(knockRoomSuccess)
         val presenter = createJoinRoomPresenter(knockRoom = fakeKnockRoom)
         presenter.test {
             skipItems(1)
+            awaitItem().also { state ->
+                state.eventSink(JoinRoomEvents.UpdateKnockMessage(knockMessage))
+            }
             awaitItem().also { state ->
                 state.eventSink(JoinRoomEvents.KnockRoom)
             }
@@ -353,8 +361,46 @@ class JoinRoomPresenterTest {
         }
         assert(knockRoomSuccess)
             .isCalledOnce()
-            .with(value(A_ROOM_ID))
+            .with(value(A_ROOM_ID.toRoomIdOrAlias()), value(knockMessage), any())
         assert(knockRoomFailure)
+            .isCalledOnce()
+            .with(value(A_ROOM_ID.toRoomIdOrAlias()), value(knockMessage), any())
+    }
+
+    @Test
+    fun `present - emit cancel knock room event`() = runTest {
+        val cancelKnockRoomSuccess = lambdaRecorder { _: RoomId ->
+            Result.success(Unit)
+        }
+        val cancelKnockRoomFailure = lambdaRecorder { roomId: RoomId ->
+            Result.failure<Unit>(RuntimeException("Failed to knock room $roomId"))
+        }
+        val cancelKnockRoom = FakeCancelKnockRoom(cancelKnockRoomSuccess)
+        val presenter = createJoinRoomPresenter(cancelKnockRoom = cancelKnockRoom)
+        presenter.test {
+            skipItems(1)
+            awaitItem().also { state ->
+                state.eventSink(JoinRoomEvents.CancelKnock(true))
+            }
+            awaitItem().also { state ->
+                assertThat(state.cancelKnockAction).isEqualTo(AsyncAction.ConfirmingNoParams)
+                state.eventSink(JoinRoomEvents.CancelKnock(false))
+            }
+            assertThat(awaitItem().cancelKnockAction).isEqualTo(AsyncAction.Loading)
+            awaitItem().also { state ->
+                assertThat(state.cancelKnockAction).isEqualTo(AsyncAction.Success(Unit))
+                cancelKnockRoom.lambda = cancelKnockRoomFailure
+                state.eventSink(JoinRoomEvents.CancelKnock(false))
+            }
+            assertThat(awaitItem().cancelKnockAction).isEqualTo(AsyncAction.Loading)
+            awaitItem().also { state ->
+                assertThat(state.cancelKnockAction).isInstanceOf(AsyncAction.Failure::class.java)
+            }
+        }
+        assert(cancelKnockRoomFailure)
+            .isCalledOnce()
+            .with(value(A_ROOM_ID))
+        assert(cancelKnockRoomSuccess)
             .isCalledOnce()
             .with(value(A_ROOM_ID))
     }
@@ -474,6 +520,7 @@ class JoinRoomPresenterTest {
             Result.success(Unit)
         },
         knockRoom: KnockRoom = FakeKnockRoom(),
+        cancelKnockRoom: CancelKnockRoom = FakeCancelKnockRoom(),
         buildMeta: BuildMeta = aBuildMeta(applicationName = "AppName"),
         acceptDeclineInvitePresenter: Presenter<AcceptDeclineInviteState> = Presenter { anAcceptDeclineInviteState() }
     ): JoinRoomPresenter {
@@ -486,6 +533,7 @@ class JoinRoomPresenterTest {
             matrixClient = matrixClient,
             joinRoom = FakeJoinRoom(joinRoomLambda),
             knockRoom = knockRoom,
+            cancelKnockRoom = cancelKnockRoom,
             buildMeta = buildMeta,
             acceptDeclineInvitePresenter = acceptDeclineInvitePresenter
         )

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomViewTest.kt

@@ -61,6 +61,7 @@ class JoinRoomViewTest {
         rule.setJoinRoomView(
             aJoinRoomState(
                 contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.CanKnock),
+                knockMessage = "Knock knock",
                 eventSink = eventsRecorder,
             ),
         )
@@ -82,6 +83,33 @@ class JoinRoomViewTest {
         eventsRecorder.assertSingle(JoinRoomEvents.ClearActionStates)
     }
 
+    @Test
+    fun `clicking on cancel knock request emit the expected Event`() {
+        val eventsRecorder = EventsRecorder<JoinRoomEvents>()
+        rule.setJoinRoomView(
+            aJoinRoomState(
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsKnocked),
+                eventSink = eventsRecorder,
+            ),
+        )
+        rule.clickOn(R.string.screen_join_room_cancel_knock_action)
+        eventsRecorder.assertSingle(JoinRoomEvents.CancelKnock(true))
+    }
+
+    @Test
+    fun `clicking on closing Cancel Knock error emits the expected Event`() {
+        val eventsRecorder = EventsRecorder<JoinRoomEvents>()
+        rule.setJoinRoomView(
+            aJoinRoomState(
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsKnocked),
+                cancelKnockAction = AsyncAction.Failure(Exception("Error")),
+                eventSink = eventsRecorder,
+            ),
+        )
+        rule.clickOn(CommonStrings.action_ok)
+        eventsRecorder.assertSingle(JoinRoomEvents.ClearActionStates)
+    }
+
     @Test
     fun `clicking on closing Join error emits the expected Event`() {
         val eventsRecorder = EventsRecorder<JoinRoomEvents>()
@@ -170,6 +198,7 @@ private fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.setJoinR
     onBackClick: () -> Unit = EnsureNeverCalled(),
     onJoinSuccess: () -> Unit = EnsureNeverCalled(),
     onKnockSuccess: () -> Unit = EnsureNeverCalled(),
+    onCancelKnockSuccess: () -> Unit = EnsureNeverCalled(),
 ) {
     setContent {
         JoinRoomView(
@@ -177,6 +206,7 @@ private fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.setJoinR
             onBackClick = onBackClick,
             onJoinSuccess = onJoinSuccess,
             onKnockSuccess = onKnockSuccess,
+            onCancelKnockSuccess = onCancelKnockSuccess
         )
     }
 }

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -21,9 +21,9 @@ import io.element.android.libraries.matrix.api.notification.NotificationService
 import io.element.android.libraries.matrix.api.notificationsettings.NotificationSettingsService
 import io.element.android.libraries.matrix.api.oidc.AccountManagementAction
 import io.element.android.libraries.matrix.api.pusher.PushersService
-import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoomInfo
+import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
 import io.element.android.libraries.matrix.api.room.alias.ResolvedRoomAlias
 import io.element.android.libraries.matrix.api.room.preview.RoomPreview
@@ -65,7 +65,7 @@ interface MatrixClient : Closeable {
     suspend fun removeAvatar(): Result<Unit>
     suspend fun joinRoom(roomId: RoomId): Result<RoomSummary?>
     suspend fun joinRoomByIdOrAlias(roomIdOrAlias: RoomIdOrAlias, serverNames: List<String>): Result<RoomSummary?>
-    suspend fun knockRoom(roomId: RoomId): Result<RoomSummary?>
+    suspend fun knockRoom(roomIdOrAlias: RoomIdOrAlias, message: String, serverNames: List<String>): Result<RoomSummary?>
     fun syncService(): SyncService
     fun sessionVerificationService(): SessionVerificationService
     fun pushersService(): PushersService

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -30,8 +30,8 @@ import io.element.android.libraries.matrix.api.notificationsettings.Notification
 import io.element.android.libraries.matrix.api.oidc.AccountManagementAction
 import io.element.android.libraries.matrix.api.pusher.PushersService
 import io.element.android.libraries.matrix.api.room.CurrentUserMembership
-import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoom
+import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
 import io.element.android.libraries.matrix.api.room.alias.ResolvedRoomAlias
 import io.element.android.libraries.matrix.api.room.preview.RoomPreview
@@ -394,11 +394,13 @@ class RustMatrixClient(
         }
     }
 
-    override suspend fun knockRoom(roomId: RoomId): Result<RoomSummary?>  = withContext(sessionDispatcher){
+    override suspend fun knockRoom(roomIdOrAlias: RoomIdOrAlias, message: String, serverNames: List<String>): Result<RoomSummary?> = withContext(
+        sessionDispatcher
+    ) {
         runCatching {
-            client.knock(roomId.toRoomIdOrAlias().identifier).destroy()
+            client.knock(roomIdOrAlias.identifier).destroy()
             try {
-                awaitRoom(roomId.toRoomIdOrAlias(), 10.seconds, CurrentUserMembership.KNOCKED)
+                awaitRoom(roomIdOrAlias, 10.seconds, CurrentUserMembership.KNOCKED)
             } catch (e: Exception) {
                 Timber.e(e, "Timeout waiting for the room to be available in the room list")
                 null

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RustRoomFactory.kt

@@ -50,7 +50,6 @@ class RustRoomFactory(
     private val roomSyncSubscriber: RoomSyncSubscriber,
     private val timelineEventTypeFilterFactory: TimelineEventTypeFilterFactory,
 ) {
-
     @OptIn(ExperimentalCoroutinesApi::class)
     private val dispatcher = dispatchers.io.limitedParallelism(1)
     private val mutex = Mutex()

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -22,8 +22,8 @@ import io.element.android.libraries.matrix.api.notification.NotificationService
 import io.element.android.libraries.matrix.api.notificationsettings.NotificationSettingsService
 import io.element.android.libraries.matrix.api.oidc.AccountManagementAction
 import io.element.android.libraries.matrix.api.pusher.PushersService
-import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.MatrixRoom
+import io.element.android.libraries.matrix.api.room.PendingRoom
 import io.element.android.libraries.matrix.api.room.RoomMembershipObserver
 import io.element.android.libraries.matrix.api.room.alias.ResolvedRoomAlias
 import io.element.android.libraries.matrix.api.room.preview.RoomPreview
@@ -114,7 +114,7 @@ class FakeMatrixClient(
     var joinRoomByIdOrAliasLambda: (RoomIdOrAlias, List<String>) -> Result<RoomSummary?> = { _, _ ->
         Result.success(null)
     }
-    var knockRoomLambda: (RoomId) -> Result<RoomSummary?> = {
+    var knockRoomLambda: (RoomIdOrAlias, String, List<String>) -> Result<RoomSummary?> = { _, _, _ ->
         Result.success(null)
     }
     var getRoomSummaryFlowLambda = { _: RoomIdOrAlias ->
@@ -223,7 +223,9 @@ class FakeMatrixClient(
         return joinRoomByIdOrAliasLambda(roomIdOrAlias, serverNames)
     }
 
-    override suspend fun knockRoom(roomId: RoomId): Result<RoomSummary?> = knockRoomLambda(roomId)
+    override suspend fun knockRoom(roomIdOrAlias: RoomIdOrAlias, message: String, serverNames: List<String>): Result<RoomSummary?> {
+        return knockRoomLambda(roomIdOrAlias, message, serverNames)
+    }
 
     override fun sessionVerificationService(): SessionVerificationService = sessionVerificationService
 

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt

@@ -13,7 +13,6 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import io.element.android.compound.theme.ElementTheme
@@ -35,7 +34,7 @@ fun InviteSenderView(
         horizontalArrangement = Arrangement.spacedBy(8.dp),
         modifier = modifier,
     ) {
-        Box(modifier = Modifier.padding(vertical = 2.dp)){
+        Box(modifier = Modifier.padding(vertical = 2.dp)) {
         Avatar(avatarData = inviteSender.avatarData)
             }
         Text(