Added Search Activity Unit Tests (#4149)

app/src/test/kotlin/fr/free/nrw/commons/explore/search/SearchActivityUnitTests.kt

@@ -0,0 +1,75 @@
+package fr.free.nrw.commons.explore.search
+
+import android.content.Context
+import fr.free.nrw.commons.TestCommonsApplication
+import fr.free.nrw.commons.explore.SearchActivity
+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.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.LooperMode
+
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [21], application = TestCommonsApplication::class)
+@LooperMode(LooperMode.Mode.PAUSED)
+class SearchActivityUnitTests {
+
+    @Mock
+    private lateinit var activity: SearchActivity
+
+    @Mock
+    private lateinit var context: Context
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+
+        activity = Robolectric.buildActivity(SearchActivity::class.java).create().get()
+
+        context = RuntimeEnvironment.application.applicationContext
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun checkActivityNotNull() {
+        Assert.assertNotNull(activity)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testSetTabs() {
+        activity.setTabs()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testUpdateText() {
+        activity.updateText("test")
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testOnBackPressed() {
+        activity.onBackPressed()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testViewPagerNotifyDataSetChanged() {
+        activity.viewPagerNotifyDataSetChanged()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testGetContributionStateAt() {
+        activity.getContributionStateAt(0)
+    }
+
+}