Add WikidataItemDetailsActivity Unit Tests (#4618)

app/src/test/kotlin/fr/free/nrw/commons/explore/depictions/WikidataItemDetailsActivityUnitTests.kt

@@ -0,0 +1,187 @@
+package fr.free.nrw.commons.explore.depictions
+
+import android.content.Intent
+import android.view.LayoutInflater
+import android.view.View
+import android.widget.FrameLayout
+import androidx.fragment.app.FragmentManager
+import androidx.viewpager.widget.ViewPager
+import com.google.android.material.tabs.TabLayout
+import fr.free.nrw.commons.R
+import fr.free.nrw.commons.TestAppAdapter
+import fr.free.nrw.commons.TestCommonsApplication
+import fr.free.nrw.commons.explore.depictions.media.DepictedImagesFragment
+import fr.free.nrw.commons.media.MediaDetailPagerFragment
+import fr.free.nrw.commons.upload.structure.depictions.DepictedItem
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.`when`
+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 org.robolectric.fakes.RoboMenu
+import org.robolectric.fakes.RoboMenuItem
+import org.wikipedia.AppAdapter
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+@LooperMode(LooperMode.Mode.PAUSED)
+class WikidataItemDetailsActivityUnitTests {
+
+    private lateinit var activity: WikidataItemDetailsActivity
+    private lateinit var parent: View
+
+    @Mock
+    private lateinit var mediaDetailPagerFragment: MediaDetailPagerFragment
+
+    @Mock
+    private lateinit var depictionImagesListFragment: DepictedImagesFragment
+
+    @Mock
+    private lateinit var supportFragmentManager: FragmentManager
+
+    @Mock
+    private lateinit var depictedItem: DepictedItem
+
+    @Mock
+    private lateinit var mediaContainer: FrameLayout
+
+    @Mock
+    private lateinit var tabLayout: TabLayout
+
+    @Mock
+    private lateinit var viewPager: ViewPager
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        AppAdapter.set(TestAppAdapter())
+        val intent = Intent(
+            RuntimeEnvironment.application.applicationContext,
+            WikidataItemDetailsActivity::class.java
+        )
+        intent.putExtra("wikidataItemName", "depictionName")
+        intent.putExtra("entityId", 0)
+        activity =
+            Robolectric.buildActivity(WikidataItemDetailsActivity::class.java, intent).create()
+                .get()
+        Whitebox.setInternalState(activity, "mediaDetailPagerFragment", mediaDetailPagerFragment)
+        Whitebox.setInternalState(
+            activity,
+            "depictionImagesListFragment",
+            depictionImagesListFragment
+        )
+        Whitebox.setInternalState(activity, "supportFragmentManager", supportFragmentManager)
+
+        parent =
+            LayoutInflater.from(activity).inflate(R.layout.activity_wikidata_item_details, null)
+
+        mediaContainer = parent.findViewById(R.id.mediaContainer)
+        Whitebox.setInternalState(activity, "mediaContainer", mediaContainer)
+
+        tabLayout = parent.findViewById(R.id.tab_layout)
+        Whitebox.setInternalState(activity, "tabLayout", tabLayout)
+
+        viewPager = parent.findViewById(R.id.viewPager)
+        Whitebox.setInternalState(activity, "viewPager", viewPager)
+
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkActivityNotNull() {
+        Assert.assertNotNull(activity)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testViewPagerNotifyDataSetChanged() {
+        activity.viewPagerNotifyDataSetChanged()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetMediaAtPosition() {
+        activity.getMediaAtPosition(0)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnBackPressed() {
+        `when`(supportFragmentManager.backStackEntryCount).thenReturn(1)
+        activity.onBackPressed()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnBackPressedCaseReturn() {
+        `when`(supportFragmentManager.backStackEntryCount).thenReturn(1)
+        `when`(mediaDetailPagerFragment.backButtonClicked()).thenReturn(true)
+        activity.onBackPressed()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetTotalMediaCount() {
+        activity.totalMediaCount
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetContributionStateAt() {
+        Assert.assertEquals(activity.getContributionStateAt(0), null)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testRefreshNominatedMedia() {
+        activity.refreshNominatedMedia(0)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnCreateOptionsMenu() {
+        Assert.assertEquals(activity.onCreateOptionsMenu(RoboMenu()), true)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnOptionsItemSelectedCaseOne() {
+        Assert.assertEquals(
+            activity.onOptionsItemSelected(RoboMenuItem(R.id.browser_actions_menu_items)),
+            true
+        )
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnOptionsItemSelectedCaseTwo() {
+        Assert.assertEquals(activity.onOptionsItemSelected(RoboMenuItem(android.R.id.home)), true)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnOptionsItemSelected() {
+        Assert.assertEquals(activity.onOptionsItemSelected(RoboMenuItem()), false)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testStartYourself() {
+        WikidataItemDetailsActivity.startYourself(activity, depictedItem)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnMediaClicked() {
+        activity.onMediaClicked(0)
+    }
+
+}