Added unit-tests for NotificationClient & NotificationController (commons-app#3274)

Author: ashishkumar468

app/src/test/kotlin/fr/free/nrw/commons/notification/NotificationClientTest.kt

@@ -0,0 +1,72 @@
+package fr.free.nrw.commons.notification
+
+import com.nhaarman.mockito_kotlin.eq
+import io.reactivex.Observable
+import org.junit.Before
+import org.junit.Test
+import org.mockito.ArgumentMatchers
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.Mockito.verify
+import org.mockito.MockitoAnnotations
+import org.wikipedia.csrf.CsrfTokenClient
+import org.wikipedia.dataclient.Service
+import org.wikipedia.dataclient.mwapi.MwQueryResponse
+import org.wikipedia.dataclient.mwapi.MwQueryResult
+import org.wikipedia.notifications.Notification
+
+class NotificationClientTest {
+
+    @Mock
+    private lateinit var service: Service
+    @Mock
+    private lateinit var csrfTokenClient: CsrfTokenClient
+
+    @Mock
+    private lateinit var mQueryResponse: MwQueryResponse
+    @Mock
+    private lateinit var mQueryResult: MwQueryResult
+    @Mock
+    private lateinit var mQueryResultNotificationsList: MwQueryResult.NotificationList
+    @Mock
+    private lateinit var notificationsList: List<Notification>
+
+    private lateinit var notificationClient: NotificationClient
+
+    /**
+     * initial setup, test environment
+     */
+    @Before
+    @Throws(Exception::class)
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        notificationClient = NotificationClient(service, csrfTokenClient)
+    }
+
+    /**
+     * Test getNotifications
+     */
+
+    @Test
+    fun getNotificationTest() {
+        Mockito.`when`(service.getAllNotifications(ArgumentMatchers.anyString(), ArgumentMatchers.anyString(), ArgumentMatchers.any())).thenReturn(Observable.just(mQueryResponse))
+        Mockito.`when`(mQueryResponse.query()).thenReturn(mQueryResult)
+        Mockito.`when`(mQueryResult.notifications()).thenReturn(mQueryResultNotificationsList)
+        Mockito.`when`(mQueryResultNotificationsList.list()).thenReturn(notificationsList)
+        notificationClient.getNotifications(true)
+        verify(service).getAllNotifications(eq("wikidatawiki|commonswiki|enwiki"), eq("read"), eq(null))
+    }
+
+    /**
+     * Test mark Notifications As Read
+     */
+    @Test
+    fun markNotificationAsReadTest() {
+        Mockito.`when`(csrfTokenClient.tokenBlocking).thenReturn("test")
+        Mockito.`when`(service.markRead(ArgumentMatchers.anyString(), ArgumentMatchers.anyString(), ArgumentMatchers.anyString())).thenReturn(Observable.just(mQueryResponse))
+        Mockito.`when`(mQueryResponse.success()).thenReturn(true)
+        notificationClient.markNotificationAsRead("test")
+        verify(service).markRead(ArgumentMatchers.anyString(), ArgumentMatchers.anyString(), ArgumentMatchers.anyString())
+    }
+
+}

app/src/test/kotlin/fr/free/nrw/commons/notification/NotificationControllerTest.kt

@@ -0,0 +1,47 @@
+package fr.free.nrw.commons.notification
+
+import com.nhaarman.mockito_kotlin.verify
+import org.junit.Before
+import org.junit.Test
+import org.mockito.ArgumentMatchers
+import org.mockito.ArgumentMatchers.eq
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+class NotificationControllerTest {
+
+    @Mock
+    private lateinit var notificationClient: NotificationClient
+    @Mock
+    private lateinit var notification: Notification
+    private lateinit var notificationController: NotificationController
+
+    /**
+     * initial setup, test environment
+     */
+    @Before
+    @Throws(Exception::class)
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        notificationController = NotificationController(notificationClient)
+    }
+
+    /**
+     * Test get notifications
+     */
+    @Test
+    fun testGetNotifications() {
+        notificationController.getNotifications(ArgumentMatchers.anyBoolean())
+        verify(notificationClient).getNotifications(ArgumentMatchers.anyBoolean())
+    }
+
+    /**
+     * Test mark notifications as read
+     */
+    @Test
+    fun testMarkNotificationsAsRead() {
+        notification.notificationId = "test"
+        notificationController.markAsRead(notification)
+        verify(notificationClient).markNotificationAsRead(eq("test"))
+    }
+}