add an initial test (#246)

Author: devoncarew

.github/workflows/googleapis_firestore_v1.yaml

@@ -35,13 +35,9 @@ jobs:
           sdk: ${{ matrix.sdk }}
 
       - run: dart pub get
-
       - run: dart analyze --fatal-infos
-
       # TODO(devoncarew): We should update protoc_plugin to generate formatted
       # files.
       # - run: dart format --output=none --set-exit-if-changed .
       #   if: ${{ matrix.sdk == 'stable' }}
-
-      # Enable once we have tests.
-      # - run: dart test
+      - run: dart test

pkgs/googleapis_firestore_v1/pubspec.yaml

@@ -17,3 +17,4 @@ dev_dependencies:
   path: ^1.9.0
   # We use a pinned version to make the gRPC library generation hermetic.
   protoc_plugin: 22.3.0
+  test: ^1.26.0

pkgs/googleapis_firestore_v1/test/firestore_client_test.dart

@@ -0,0 +1,18 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:googleapis_firestore_v1/google/firestore/v1/firestore.pbgrpc.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('FirestoreClient', () {
+    test('has defaultHost', () {
+      expect(FirestoreClient.defaultHost, isNotEmpty);
+    });
+
+    test('has oauthScopes', () {
+      expect(FirestoreClient.oauthScopes, isNotEmpty);
+    });
+  });
+}