Add some tests on RoomFlowNode

libraries/architecture/src/main/kotlin/io/element/android/libraries/architecture/ParentNodeExt.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.architecture
+
+import com.bumble.appyx.core.children.nodeOrNull
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.node.ParentNode
+
+fun <NavTarget : Any> ParentNode<NavTarget>.childNode(navTarget: NavTarget): Node? {
+    val childMap = children.value
+    val key = childMap.keys.find { it.navTarget == navTarget }
+    return childMap[key]?.nodeOrNull
+}

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

@@ -17,14 +17,11 @@
 package io.element.android.libraries.matrix.api.room
 
 import io.element.android.libraries.matrix.api.core.RoomId
-import io.element.android.libraries.matrix.api.core.SessionId
 import io.element.android.libraries.matrix.api.timeline.item.event.MembershipChange
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 
-class RoomMembershipObserver(
-    private val sessionId: SessionId,
-) {
+class RoomMembershipObserver {
     data class RoomMembershipUpdate(
         val roomId: RoomId,
         val isUserInRoom: Boolean,

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

@@ -142,7 +142,7 @@ class RustMatrixClient constructor(
     private val mediaResolver = RustMediaResolver(this)
     private val isSyncing = AtomicBoolean(false)
 
-    private val roomMembershipObserver = RoomMembershipObserver(sessionId)
+    private val roomMembershipObserver = RoomMembershipObserver()
 
     init {
         client.setDelegate(clientDelegate)

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

@@ -104,7 +104,7 @@ class FakeMatrixClient(
     override fun onSlidingSyncUpdate() {}
 
     override fun roomMembershipObserver(): RoomMembershipObserver {
-        return RoomMembershipObserver(A_SESSION_ID)
+        return RoomMembershipObserver()
     }
 
     // Mocks