Room join : add presenter tests

features/roomdirectory/api/src/main/kotlin/io/element/android/features/roomdirectory/api/RoomDescription.kt

@@ -28,10 +28,18 @@ data class RoomDescription(
     val name: String,
     val description: String,
     val avatarUrl: String?,
-    val canBeJoined: Boolean,
+    val joinRule: JoinRule,
     val numberOfMembers: Long,
 ) : Parcelable {
 
+    enum class JoinRule {
+        PUBLIC,
+        KNOCK,
+        UNKNOWN
+    }
+
+    fun canBeJoined() = joinRule == JoinRule.PUBLIC || joinRule == JoinRule.KNOCK
+
     fun avatarData(size: AvatarSize) = AvatarData(
         id = roomId.value,
         name = name,

features/roomdirectory/impl/src/main/kotlin/io/element/android/features/roomdirectory/impl/root/RoomDirectoryStateProvider.kt

@@ -70,7 +70,7 @@ fun aRoomDescriptionList(): ImmutableList<RoomDescription> {
             name = "Element X Android",
             description = "Element X is a secure, private and decentralized messenger.",
             avatarUrl = null,
-            canBeJoined = true,
+            joinRule = RoomDescription.JoinRule.PUBLIC,
             numberOfMembers = 2765,
         ),
         RoomDescription(
@@ -78,7 +78,7 @@ fun aRoomDescriptionList(): ImmutableList<RoomDescription> {
             name = "Element X iOS",
             description = "Element X is a secure, private and decentralized messenger.",
             avatarUrl = null,
-            canBeJoined = false,
+            joinRule = RoomDescription.JoinRule.UNKNOWN,
             numberOfMembers = 356,
         )
     )

features/roomdirectory/impl/src/main/kotlin/io/element/android/features/roomdirectory/impl/root/RoomDirectoryView.kt

@@ -274,7 +274,7 @@ private fun RoomDirectoryRoomRow(
     Row(
         modifier = modifier
             .fillMaxWidth()
-            .clickable(enabled = roomDescription.canBeJoined, onClick = onClick)
+            .clickable(onClick = onClick)
             .padding(
                 top = 12.dp,
                 bottom = 12.dp,
@@ -306,7 +306,7 @@ private fun RoomDirectoryRoomRow(
                 overflow = TextOverflow.Ellipsis,
             )
         }
-        if (roomDescription.canBeJoined) {
+        if (roomDescription.canBeJoined()) {
             Text(
                 text = stringResource(id = CommonStrings.action_join),
                 color = ElementTheme.colors.textSuccessPrimary,

features/roomdirectory/impl/src/main/kotlin/io/element/android/features/roomdirectory/impl/root/model/RoomDescription.kt

@@ -44,6 +44,10 @@ fun MatrixRoomDescription.toFeatureModel(): RoomDescription {
         description = description(),
         avatarUrl = avatarUrl,
         numberOfMembers = numberOfMembers,
-        canBeJoined = joinRule == MatrixRoomDescription.JoinRule.PUBLIC,
+        joinRule = when (joinRule) {
+            MatrixRoomDescription.JoinRule.PUBLIC -> RoomDescription.JoinRule.PUBLIC
+            MatrixRoomDescription.JoinRule.KNOCK -> RoomDescription.JoinRule.KNOCK
+            MatrixRoomDescription.JoinRule.UNKNOWN -> RoomDescription.JoinRule.UNKNOWN
+        }
     )
 }