add AppTest to test Firebase.initialize

Author: nbransby

src/test/kotlin/AppTest.kt

@@ -0,0 +1,29 @@
+import android.app.Application
+import com.google.firebase.Firebase
+import com.google.firebase.FirebaseOptions
+import com.google.firebase.FirebasePlatform
+import com.google.firebase.initialize
+import org.junit.Test
+
+
+class AppTest {
+    @Test
+    fun testInitialize() {
+        FirebasePlatform.initializeFirebasePlatform(object : FirebasePlatform() {
+            val storage = mutableMapOf<String, String>()
+            override fun store(key: String, value: String) = storage.set(key, value)
+            override fun retrieve(key: String) = storage[key]
+            override fun clear(key: String) { storage.remove(key) }
+            override fun log(msg: String) = println(msg)
+        })
+        val options = FirebaseOptions.Builder()
+            .setProjectId("my-firebase-project")
+            .setApplicationId("1:27992087142:android:ce3b6448250083d1")
+            .setApiKey("AIzaSyADUe90ULnQDuGShD9W23RDP0xmeDc6Mvw")
+            // setDatabaseURL(...)
+            // setStorageBucket(...)
+            .build()
+        val app = Firebase.initialize(Application(), options)
+
+    }
+}