feat: fix export

firestore_sembast/lib/utils/export_utils.dart

@@ -14,16 +14,29 @@ export 'package:sembast/utils/sembast_import_export.dart'
 extension TekartikSembastUtils on Firestore {
   /// Export the database as a list of json encodable lines
   Future<List<Object>> exportLines(
-      {required List<CollectionReference> collections}) async {
-    if (this is FirestoreSembast) {
-      if (service.supportsListCollections) {
+      {required List<CollectionReference>? collections,
+      List<DocumentReference>? documents}) async {
+    if (this is! FirestoreSembast) {
+      if (!service.supportsListCollections) {
         throw UnsupportedError('Cannot list collections');
       }
       var firestore = newFirestoreMemory();
-      for (var collection in collections) {
-        await collection.recursiveCopyTo(
-            firestore, firestore.collection(collection.path));
+      if (collections != null || documents == null) {
+        collections ??= await firestore.listCollections();
+        for (var collection in collections) {
+          await collection.recursiveCopyTo(
+              firestore, firestore.collection(collection.path));
+        }
       }
+      if (documents != null) {
+        for (var doc in documents) {
+          await doc.recursiveCopyTo(firestore, firestore.doc(doc.path));
+        }
+      }
+      return firestore.exportLines(
+          collections:
+              collections?.map((e) => firestore.collection(e.path)).toList(),
+          documents: documents?.map((e) => firestore.doc(e.path)).toList());
     }
     return exportDatabaseLines(await sembastDatabase);
   }

firestore_sembast/test/export_utils_test.dart

@@ -1,10 +1,32 @@
 import 'package:dev_test/test.dart';
+import 'package:tekartik_firebase_firestore_sembast/firestore_sembast.dart';
+import 'package:tekartik_firebase_firestore_sembast/utils/export_utils.dart';
 
 void main() {
   group('export_utils', () {
-    test('copy', () async {
-      // var srcFirestore = newFirestoreServiceMemory();
-      // var dstFirestore = newFirestoreServiceMemory();
+    test('export', () async {
+      var firestore = newFirestoreMemory();
+      var export = await firestore.exportLines(collections: []);
+      expect(export, [
+        {'sembast_export': 1, 'version': 1}
+      ]);
+      await firestore.doc('test/doc').set({'test': 1});
+      export = await firestore
+          .exportLines(collections: [firestore.collection('test')]);
+      expect(export[1], {'store': 'doc'});
+      expect((export[2] as List)[0], 'test/doc');
+      //             {'sembast_export': 1, 'version': 1},
+      //             {'store': 'doc'},
+      //             [
+      //               'test/doc',
+      //               {
+      //                 'test': 1,
+      //                 '$rev': 1,
+      //                 '$createTime': '2023-08-22T17:45:34.489989Z',
+      //                 '$updateTime': '2023-08-22T17:45:34.489989Z'
+      //               }
+      //             ]
+      //           ]
     });
   });
 }