add tests

app/src/test/java/com/keylesspalace/tusky/util/RickRollTest.kt

@@ -0,0 +1,34 @@
+package com.keylesspalace.tusky.util
+
+import android.app.Activity
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.keylesspalace.tusky.FakeTuskyApplication
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.Robolectric
+import org.robolectric.annotation.Config
+
+@Config(application = FakeTuskyApplication::class)
+@RunWith(AndroidJUnit4::class)
+class RickRollTest {
+    private lateinit var activity: Activity
+    @Before
+    fun setupActivity() {
+        val controller = Robolectric.buildActivity(Activity::class.java)
+        activity = controller.get()
+    }
+
+    @Test
+    fun testShouldRickRoll() {
+        listOf("gab.Com", "social.gab.ai", "whatever.GAB.com").forEach {
+            rollableDomain -> assertTrue(shouldRickRoll(activity, rollableDomain))
+        }
+
+        listOf("chaos.social", "notgab.com").forEach {
+            notRollableDomain -> assertFalse(shouldRickRoll(activity, notRollableDomain))
+        }
+    }
+}