Add UploadMediaDetailAdapter Unit Tests (#4819)

app/src/test/kotlin/fr/free/nrw/commons/upload/UploadMediaDetailAdapterUnitTest.kt

@@ -0,0 +1,148 @@
+package fr.free.nrw.commons.upload
+
+import android.content.Context
+import android.widget.GridLayout
+import com.nhaarman.mockitokotlin2.verify
+import com.nhaarman.mockitokotlin2.whenever
+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.powermock.reflect.Whitebox
+import org.robolectric.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.LooperMode
+import java.lang.reflect.Field
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+@LooperMode(LooperMode.Mode.PAUSED)
+class UploadMediaDetailAdapterUnitTest {
+
+    private lateinit var adapter: UploadMediaDetailAdapter
+    private lateinit var context: Context
+    private lateinit var viewHolder: UploadMediaDetailAdapter.ViewHolder
+    private lateinit var activity: UploadActivity
+    private lateinit var uploadMediaDetails: List<UploadMediaDetail>
+
+    @Mock
+    private lateinit var uploadMediaDetail: UploadMediaDetail
+
+    @Mock
+    private lateinit var eventListener: UploadMediaDetailAdapter.EventListener
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        uploadMediaDetails = mutableListOf(uploadMediaDetail, uploadMediaDetail)
+        activity = Robolectric.buildActivity(UploadActivity::class.java).get()
+        adapter = UploadMediaDetailAdapter("")
+        context = RuntimeEnvironment.application.applicationContext
+        Whitebox.setInternalState(adapter, "uploadMediaDetails", uploadMediaDetails)
+        Whitebox.setInternalState(adapter, "eventListener", eventListener)
+        viewHolder = adapter.onCreateViewHolder(GridLayout(activity), 0)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkAdapterNotNull() {
+        Assert.assertNotNull(adapter)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testSetItems() {
+        val list = mutableListOf(uploadMediaDetail)
+        val uploadMediaDetails: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("uploadMediaDetails")
+        uploadMediaDetails.isAccessible = true
+        val selectedLanguages: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("selectedLanguages")
+        selectedLanguages.isAccessible = true
+        adapter.items = list
+        Assert.assertEquals(uploadMediaDetails.get(adapter), list)
+        val map: HashMap<Int, String> = selectedLanguages.get(adapter) as HashMap<Int, String>
+        Assert.assertEquals(map.size, 0)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetItems() {
+        val list = mutableListOf(uploadMediaDetail)
+        val uploadMediaDetails: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("uploadMediaDetails")
+        uploadMediaDetails.isAccessible = true
+        uploadMediaDetails.set(adapter, list)
+        Assert.assertEquals(adapter.items, list)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetItemCount() {
+        val list = mutableListOf(uploadMediaDetail)
+        val uploadMediaDetails: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("uploadMediaDetails")
+        uploadMediaDetails.isAccessible = true
+        uploadMediaDetails.set(adapter, list)
+        Assert.assertEquals(adapter.itemCount, list.size)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testAddDescription() {
+        val list = mutableListOf(uploadMediaDetail)
+        val uploadMediaDetails: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("uploadMediaDetails")
+        uploadMediaDetails.isAccessible = true
+        uploadMediaDetails.set(adapter, list)
+        val selectedLanguages: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("selectedLanguages")
+        selectedLanguages.isAccessible = true
+        selectedLanguages.set(adapter, hashMapOf<Int, String>())
+        adapter.addDescription(uploadMediaDetail)
+        val map: HashMap<Int, String> = selectedLanguages.get(adapter) as HashMap<Int, String>
+        Assert.assertEquals(map[list.size], null)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testRemoveDescription() {
+        val list = mutableListOf(uploadMediaDetail)
+        val uploadMediaDetails: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("uploadMediaDetails")
+        uploadMediaDetails.isAccessible = true
+        uploadMediaDetails.set(adapter, list)
+        val selectedLanguages: Field =
+            UploadMediaDetailAdapter::class.java.getDeclaredField("selectedLanguages")
+        selectedLanguages.isAccessible = true
+        selectedLanguages.set(adapter, hashMapOf<Int, String>())
+        adapter.removeDescription(uploadMediaDetail, list.size)
+        val map: HashMap<Int, String> = selectedLanguages.get(adapter) as HashMap<Int, String>
+        Assert.assertEquals(map[list.size], null)
+    }
+
+    @Test
+    fun testOnBindViewHolderPosition0() {
+        Whitebox.setInternalState(adapter, "savedLanguageValue", "")
+        whenever(uploadMediaDetail.isManuallyAdded).thenReturn(false)
+        whenever(uploadMediaDetail.selectedLanguageIndex).thenReturn(-1)
+        adapter.onBindViewHolder(viewHolder, 0)
+        verify(eventListener).onPrimaryCaptionTextChange(false)
+        verify(uploadMediaDetail).isManuallyAdded
+    }
+
+    @Test
+    fun testOnBindViewHolderPosition1() {
+        Whitebox.setInternalState(adapter, "savedLanguageValue", "en")
+        whenever(uploadMediaDetail.isManuallyAdded).thenReturn(true)
+        whenever(uploadMediaDetail.selectedLanguageIndex).thenReturn(1)
+        adapter.onBindViewHolder(viewHolder, 1)
+        verify(uploadMediaDetail).isManuallyAdded
+    }
+
+}