Unit tests for view navigator

vector/src/main/java/im/vector/app/features/settings/devices/v2/overview/SessionOverviewViewNavigator.kt

@@ -32,7 +32,6 @@ class SessionOverviewViewNavigator @Inject constructor() {
         context.startActivity(RenameSessionActivity.newIntent(context, deviceId))
     }
 
-    // TODO add unit test
     fun goBack(fragmentActivity: FragmentActivity) {
         fragmentActivity.finish()
     }

vector/src/test/java/im/vector/app/features/settings/devices/v2/overview/SessionOverviewViewNavigatorTest.kt

@@ -17,12 +17,15 @@
 package im.vector.app.features.settings.devices.v2.overview
 
 import android.content.Intent
+import androidx.fragment.app.FragmentActivity
 import im.vector.app.features.settings.devices.v2.details.SessionDetailsActivity
 import im.vector.app.features.settings.devices.v2.rename.RenameSessionActivity
 import im.vector.app.test.fakes.FakeContext
 import io.mockk.every
+import io.mockk.just
 import io.mockk.mockk
 import io.mockk.mockkObject
+import io.mockk.runs
 import io.mockk.unmockkAll
 import io.mockk.verify
 import org.junit.After
@@ -77,6 +80,21 @@ class SessionOverviewViewNavigatorTest {
         }
     }
 
+    @Test
+    fun `given an activity when going back then the activity is finished`() {
+        // Given
+        val fragmentActivity = mockk<FragmentActivity>()
+        every { fragmentActivity.finish() } just runs
+
+        // When
+        sessionOverviewViewNavigator.goBack(fragmentActivity)
+
+        // Then
+        verify {
+            fragmentActivity.finish()
+        }
+    }
+
     private fun givenIntentForSessionDetails(sessionId: String): Intent {
         val intent = mockk<Intent>()
         every { SessionDetailsActivity.newIntent(context.instance, sessionId) } returns intent