Add bookmark location controller test (#3947)

app/src/test/kotlin/fr/free/nrw/commons/bookmarks/locations/BookmarkLocationControllerTest.kt

@@ -0,0 +1,50 @@
+package fr.free.nrw.commons.bookmarks.locations
+
+import android.net.Uri
+import com.nhaarman.mockitokotlin2.whenever
+import fr.free.nrw.commons.bookmarks.Bookmark
+import fr.free.nrw.commons.bookmarks.pictures.BookmarkPicturesDao
+import fr.free.nrw.commons.nearby.Place
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.mockito.InjectMocks
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+import java.util.ArrayList
+
+class BookmarkLocationControllerTest {
+    @Mock
+    var bookmarkDao: BookmarkLocationsDao? = null
+    @InjectMocks
+    lateinit var bookmarkLocationsController: BookmarkLocationsController
+
+     @Before
+     fun setup() {
+         MockitoAnnotations.initMocks(this)
+         whenever(bookmarkDao!!.allBookmarksLocations)
+             .thenReturn(mockBookmarkList)
+     }
+
+    /**
+     * Get mock bookmark list
+     * @return
+     */
+    private val mockBookmarkList: List<Place>
+        private get() {
+            val list = ArrayList<Place>()
+            list.add(Place("a place",null,"a description",null,"a cat",null,null,null))
+            list.add(Place("another place",null,"another description",null,"another cat",null,null,null))
+            return list
+        }
+
+    /**
+     * Test case where all bookmark locations are fetched and media is found against it
+     */
+    @Test
+    fun loadBookmarkedLocations() {
+        val bookmarkedLocations =
+            bookmarkLocationsController!!.loadFavoritesLocations()
+        Assert.assertEquals(2, bookmarkedLocations.size.toLong())
+    }
+}