Add test on RoomAliasResolverPresenter

appnav/src/test/kotlin/io/element/android/appnav/room/resolver/RoomAliasResolverPresenterTest.kt

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2024 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.appnav.room.resolver
+
+import app.cash.molecule.RecompositionMode
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.matrix.api.core.RoomAlias
+import io.element.android.libraries.matrix.test.AN_EXCEPTION
+import io.element.android.libraries.matrix.test.A_ROOM_ALIAS
+import io.element.android.libraries.matrix.test.A_ROOM_ID
+import io.element.android.libraries.matrix.test.FakeMatrixClient
+import io.element.android.tests.testutils.WarmUpRule
+import kotlinx.coroutines.test.runTest
+import org.junit.Rule
+import org.junit.Test
+
+class RoomAliasResolverPresenterTest {
+    @get:Rule
+    val warmUpRule = WarmUpRule()
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val presenter = createPresenter()
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            assertThat(awaitItem().resolveState.isUninitialized()).isTrue()
+            cancelAndIgnoreRemainingEvents()
+        }
+    }
+
+    @Test
+    fun `present - resolve alias to roomId`() = runTest {
+        val client = FakeMatrixClient(
+            resolveRoomAliasResult = { Result.success(A_ROOM_ID) }
+        )
+        val presenter = createPresenter(matrixClient = client)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            assertThat(awaitItem().resolveState.isUninitialized()).isTrue()
+            assertThat(awaitItem().resolveState.isLoading()).isTrue()
+            val resultState = awaitItem()
+            assertThat(resultState.roomAlias).isEqualTo(A_ROOM_ALIAS)
+            assertThat(resultState.resolveState.dataOrNull()).isEqualTo(A_ROOM_ID)
+        }
+    }
+
+    @Test
+    fun `present - resolve alias error and retry`() = runTest {
+        val client = FakeMatrixClient(
+            resolveRoomAliasResult = { Result.failure(AN_EXCEPTION) }
+        )
+        val presenter = createPresenter(matrixClient = client)
+        moleculeFlow(RecompositionMode.Immediate) {
+            presenter.present()
+        }.test {
+            assertThat(awaitItem().resolveState.isUninitialized()).isTrue()
+            assertThat(awaitItem().resolveState.isLoading()).isTrue()
+            val resultState = awaitItem()
+            assertThat(resultState.resolveState.errorOrNull()).isEqualTo(AN_EXCEPTION)
+            resultState.eventSink(RoomAliasResolverEvents.Retry)
+            val retryLoadingState = awaitItem()
+            assertThat(retryLoadingState.resolveState.isLoading()).isTrue()
+            val retryState = awaitItem()
+            assertThat(retryState.resolveState.errorOrNull()).isEqualTo(AN_EXCEPTION)
+        }
+    }
+
+    private fun createPresenter(
+        roomAlias: RoomAlias = A_ROOM_ALIAS,
+        matrixClient: MatrixClient = FakeMatrixClient(),
+    ) = RoomAliasResolverPresenter(
+        roomAlias = roomAlias,
+        matrixClient = matrixClient,
+    )
+}

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

@@ -281,7 +281,7 @@ class FakeMatrixClient(
         return Result.success(Unit)
     }
 
-    override suspend fun resolveRoomAlias(roomAlias: RoomAlias): Result<RoomId> {
+    override suspend fun resolveRoomAlias(roomAlias: RoomAlias): Result<RoomId> = simulateLongTask {
         return resolveRoomAliasResult(roomAlias)
     }
 

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

@@ -18,6 +18,7 @@ package io.element.android.libraries.matrix.test
 
 import io.element.android.libraries.matrix.api.auth.MatrixHomeServerDetails
 import io.element.android.libraries.matrix.api.core.EventId
+import io.element.android.libraries.matrix.api.core.RoomAlias
 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.core.SpaceId
@@ -50,6 +51,7 @@ val A_THREAD_ID = ThreadId("\$aThreadId")
 val A_THREAD_ID_2 = ThreadId("\$aThreadId2")
 val AN_EVENT_ID = EventId("\$anEventId")
 val AN_EVENT_ID_2 = EventId("\$anEventId2")
+val A_ROOM_ALIAS = RoomAlias("#alias1:domain")
 val A_TRANSACTION_ID = TransactionId("aTransactionId")
 const val A_UNIQUE_ID = "aUniqueId"