Add tests for ConfigureRoomPresenter

features/createroom/impl/build.gradle.kts

@@ -56,6 +56,7 @@ dependencies {
     testImplementation(libs.molecule.runtime)
     testImplementation(libs.test.truth)
     testImplementation(libs.test.turbine)
+    testImplementation(libs.test.robolectric)
     testImplementation(projects.libraries.matrix.test)
     testImplementation(projects.features.userlist.impl)
     testImplementation(projects.features.userlist.test)

features/createroom/impl/src/test/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomPresenterTests.kt

@@ -0,0 +1,115 @@
+/*
+ * 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.
+ */
+
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
+package io.element.android.features.createroom.impl.configureroom
+
+import android.net.Uri
+import app.cash.molecule.RecompositionClock
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.matrix.test.AN_AVATAR_URL
+import io.element.android.libraries.matrix.test.A_MESSAGE
+import io.element.android.libraries.matrix.test.A_ROOM_NAME
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+@RunWith(RobolectricTestRunner::class)
+class ConfigureRoomPresenterTests {
+
+    private lateinit var presenter: ConfigureRoomPresenter
+
+    @Before
+    fun setup() {
+        presenter = ConfigureRoomPresenter(ConfigureRoomPresenterArgs(emptyList()))
+    }
+
+    @Test
+    fun `present - initial state`() = runTest {
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState.roomName).isEmpty()
+            assertThat(initialState.topic).isEmpty()
+            assertThat(initialState.privacy).isNull()
+        }
+    }
+
+    @Test
+    fun `present - create room button is enabled only if the required fields are completed`() = runTest {
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState.isCreateButtonEnabled).isFalse()
+
+            // Room name not empty
+            initialState.eventSink(ConfigureRoomEvents.RoomNameChanged(A_ROOM_NAME))
+            var newState: ConfigureRoomState = awaitItem()
+            assertThat(newState.roomName).isEqualTo(A_ROOM_NAME)
+            assertThat(newState.isCreateButtonEnabled).isFalse()
+
+            // Select privacy
+            initialState.eventSink(ConfigureRoomEvents.RoomPrivacyChanged(RoomPrivacy.Private))
+            newState = awaitItem()
+            assertThat(newState.privacy).isEqualTo(RoomPrivacy.Private)
+            assertThat(newState.isCreateButtonEnabled).isTrue()
+
+            // Clear room name
+            initialState.eventSink(ConfigureRoomEvents.RoomNameChanged(""))
+            newState = awaitItem()
+            assertThat(newState.roomName).isEqualTo("")
+            assertThat(newState.isCreateButtonEnabled).isFalse()
+        }
+    }
+
+    @Test
+    fun `present - state is updated when fields are changed`() = runTest {
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            // Room name
+            initialState.eventSink(ConfigureRoomEvents.RoomNameChanged(A_ROOM_NAME))
+            val stateAfterRoomNameChanged = awaitItem()
+            assertThat(stateAfterRoomNameChanged.roomName).isEqualTo(A_ROOM_NAME)
+
+            // Room topic
+            stateAfterRoomNameChanged.eventSink(ConfigureRoomEvents.TopicChanged(A_MESSAGE))
+            val stateAfterTopicChanged = awaitItem()
+            assertThat(stateAfterTopicChanged.topic).isEqualTo(A_MESSAGE)
+
+            // Room avatar
+            val anUri = Uri.parse(AN_AVATAR_URL)
+            stateAfterTopicChanged.eventSink(ConfigureRoomEvents.AvatarUriChanged(anUri))
+            val stateAfterAvatarUriChanged = awaitItem()
+            assertThat(stateAfterAvatarUriChanged.avatarUri).isEqualTo(anUri)
+
+            // Room privacy
+            stateAfterAvatarUriChanged.eventSink(ConfigureRoomEvents.RoomPrivacyChanged(RoomPrivacy.Public))
+            val stateAfterPrivacyChanged = awaitItem()
+            assertThat(stateAfterPrivacyChanged.privacy).isEqualTo(RoomPrivacy.Public)
+        }
+    }
+}
+