Clean up integration test checks for target backend. (#4563)

* Clean up integration test checks for target backend.

* Fix log output.

Author: ehsannas

firebase-firestore/src/androidTest/java/com/google/firebase/firestore/testutil/IntegrationTestUtil.java

@@ -128,6 +128,25 @@ public static FirestoreProvider provider() {
     return provider;
   }
 
+  private static String getFirestoreHost() {
+    switch (backend) {
+      case EMULATOR:
+        return String.format("%s:%d", EMULATOR_HOST, EMULATOR_PORT);
+      case QA:
+        return "staging-firestore.sandbox.googleapis.com";
+      case NIGHTLY:
+        return "test-firestore.sandbox.googleapis.com";
+      case PROD:
+      default:
+        return "firestore.googleapis.com";
+    }
+  }
+
+  private static boolean getSslEnabled() {
+    // ssl is enabled in all environments except for the emulator.
+    return !isRunningAgainstEmulator();
+  }
+
   public static TargetBackend getTargetBackend() {
     if (backendForLocalTesting != null) {
       return backendForLocalTesting;
@@ -147,35 +166,19 @@ public static TargetBackend getTargetBackend() {
   }
 
   public static DatabaseInfo testEnvDatabaseInfo() {
-    if (backend.equals(TargetBackend.EMULATOR)) {
-      return new DatabaseInfo(
-          DatabaseId.forProject(provider.projectId()),
-          "test-persistenceKey",
-          String.format("%s:%d", EMULATOR_HOST, EMULATOR_PORT),
-          /*sslEnabled=*/ false);
-    } else {
-      return new DatabaseInfo(
-          DatabaseId.forProject(provider.projectId()),
-          "test-persistenceKey",
-          provider.firestoreHost(backend),
-          /*sslEnabled=*/ true);
-    }
+    return new DatabaseInfo(
+        DatabaseId.forProject(provider.projectId()),
+        "test-persistenceKey",
+        getFirestoreHost(),
+        getSslEnabled());
   }
 
   public static FirebaseFirestoreSettings newTestSettings() {
-    Logger.debug("IntegrationTestUtil", "target backend is: %s", BuildConfig.TARGET_BACKEND);
-
+    Logger.debug("IntegrationTestUtil", "target backend is: %s", backend.name());
     FirebaseFirestoreSettings.Builder settings = new FirebaseFirestoreSettings.Builder();
-
-    if (backend.equals(TargetBackend.EMULATOR)) {
-      settings.setHost(String.format("%s:%d", EMULATOR_HOST, EMULATOR_PORT));
-      settings.setSslEnabled(false);
-    } else {
-      settings.setHost(provider.firestoreHost(backend));
-    }
-
+    settings.setHost(getFirestoreHost());
+    settings.setSslEnabled(getSslEnabled());
     settings.setPersistenceEnabled(true);
-
     return settings.build();
   }
 

firebase-firestore/src/androidTest/java/com/google/firebase/firestore/testutil/prod_provider/FirestoreProvider.java

@@ -17,7 +17,6 @@
 import android.content.Context;
 import androidx.test.core.app.ApplicationProvider;
 import com.google.firebase.firestore.R;
-import com.google.firebase.firestore.testutil.IntegrationTestUtil;
 
 /**
  * Provides locations of production Firestore and Firebase Rules.
@@ -36,19 +35,6 @@ public FirestoreProvider(Context context) {
     this.context = context;
   }
 
-  public String firestoreHost(IntegrationTestUtil.TargetBackend backend) {
-    switch (backend) {
-      case QA:
-        return "staging-firestore.sandbox.googleapis.com";
-      case NIGHTLY:
-        return "test-firestore.sandbox.googleapis.com";
-      case EMULATOR:
-      case PROD:
-      default:
-        return "firestore.googleapis.com";
-    }
-  }
-
   public String projectId() {
     return context.getString(R.string.project_id);
   }