Add few more tests for notification module (#4383)

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

@@ -0,0 +1,81 @@
+package fr.free.nrw.commons.notification
+
+import android.app.NotificationManager
+import android.content.Context
+import android.content.Intent
+import fr.free.nrw.commons.TestCommonsApplication
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
+import org.robolectric.annotation.Config
+import java.lang.reflect.Field
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+class NotificationHelperUnitTests {
+
+    private lateinit var notificationHelper: NotificationHelper
+    private lateinit var context: Context
+
+    @Mock
+    private lateinit var intent: Intent
+
+    @Mock
+    private lateinit var notificationManager: NotificationManager
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        context = RuntimeEnvironment.application.applicationContext
+        notificationHelper = NotificationHelper(context)
+
+        val fieldNotificationManager: Field =
+            NotificationHelper::class.java.getDeclaredField("notificationManager")
+        fieldNotificationManager.isAccessible = true
+        fieldNotificationManager.set(notificationHelper, notificationManager)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkNotNull() {
+        Assert.assertNotNull(notificationHelper)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testShowNotification() {
+        notificationHelper.showNotification(context, "", "", 0, intent)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testNotificationConstructorTypeUnknown() {
+        Notification(
+            notificationType = NotificationType.handledValueOf(""),
+            notificationText = "",
+            date = "",
+            link = "",
+            iconUrl = "",
+            notificationId = ""
+        )
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testNotificationConstructorTypeMention() {
+        Notification(
+            notificationType = NotificationType.handledValueOf("mention"),
+            notificationText = "",
+            date = "",
+            link = "",
+            iconUrl = "",
+            notificationId = ""
+        )
+    }
+
+}

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

@@ -0,0 +1,40 @@
+package fr.free.nrw.commons.notification
+
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+
+class NotificationWorkerFragmentUnitTests {
+
+    private lateinit var fragment: NotificationWorkerFragment
+
+    @Before
+    fun setUp() {
+        fragment = NotificationWorkerFragment()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkFragmentNotNull() {
+        Assert.assertNotNull(fragment)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnCreate() {
+        fragment.onCreate(null)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testSetNotificationList() {
+        fragment.notificationList = null
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetNotificationList() {
+        fragment.notificationList
+    }
+
+}