Adding unit tests on CanTogglePushNotificationsViaPusherUseCase

vector/src/main/java/im/vector/app/features/settings/devices/v2/notification/CanTogglePushNotificationsViaPusherUseCase.kt

@@ -25,7 +25,6 @@ import javax.inject.Inject
 
 class CanTogglePushNotificationsViaPusherUseCase @Inject constructor() {
 
-    // TODO add unit tests
     fun execute(session: Session): Flow<Boolean> {
         return session
                 .homeServerCapabilitiesService()

vector/src/test/java/im/vector/app/features/settings/devices/v2/notification/CanTogglePushNotificationsViaPusherUseCaseTest.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2022 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 im.vector.app.features.settings.devices.v2.notification
+
+import im.vector.app.test.fakes.FakeFlowLiveDataConversions
+import im.vector.app.test.fakes.FakeSession
+import im.vector.app.test.fakes.givenAsFlow
+import im.vector.app.test.fixtures.aHomeServerCapabilities
+import io.mockk.unmockkAll
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.test.runTest
+import org.amshove.kluent.shouldBeEqualTo
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+
+private val A_HOMESERVER_CAPABILITIES = aHomeServerCapabilities(canRemotelyTogglePushNotificationsOfDevices = true)
+
+class CanTogglePushNotificationsViaPusherUseCaseTest {
+
+    private val fakeSession = FakeSession()
+    private val fakeFlowLiveDataConversions = FakeFlowLiveDataConversions()
+
+    private val canTogglePushNotificationsViaPusherUseCase =
+            CanTogglePushNotificationsViaPusherUseCase()
+
+    @Before
+    fun setUp() {
+        fakeFlowLiveDataConversions.setup()
+    }
+
+    @After
+    fun tearDown() {
+        unmockkAll()
+    }
+
+    @Test
+    fun `given current session when execute then flow of the toggle capability is returned`() = runTest {
+        // Given
+        fakeSession
+                .fakeHomeServerCapabilitiesService
+                .givenCapabilitiesLiveReturns(A_HOMESERVER_CAPABILITIES)
+                .givenAsFlow()
+
+        // When
+        val result = canTogglePushNotificationsViaPusherUseCase.execute(fakeSession).firstOrNull()
+
+        // Then
+        result shouldBeEqualTo A_HOMESERVER_CAPABILITIES.canRemotelyTogglePushNotificationsOfDevices
+    }
+}

vector/src/test/java/im/vector/app/test/fakes/FakeHomeServerCapabilitiesService.kt

@@ -16,14 +16,24 @@
 
 package im.vector.app.test.fakes
 
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import io.mockk.every
 import io.mockk.mockk
 import org.matrix.android.sdk.api.session.homeserver.HomeServerCapabilities
 import org.matrix.android.sdk.api.session.homeserver.HomeServerCapabilitiesService
+import org.matrix.android.sdk.api.util.Optional
+import org.matrix.android.sdk.api.util.toOptional
 
 class FakeHomeServerCapabilitiesService : HomeServerCapabilitiesService by mockk() {
 
     fun givenCapabilities(homeServerCapabilities: HomeServerCapabilities) {
         every { getHomeServerCapabilities() } returns homeServerCapabilities
     }
+
+    fun givenCapabilitiesLiveReturns(homeServerCapabilities: HomeServerCapabilities): LiveData<Optional<HomeServerCapabilities>> {
+        return MutableLiveData(homeServerCapabilities.toOptional()).also {
+            every { getHomeServerCapabilitiesLive() } returns it
+        }
+    }
 }