Add tests for general section

Tests for Pagination
Tests for Notion Response

lib/responses/notion_response.dart

@@ -32,6 +32,16 @@ class NotionResponse {
   /// The marker to know if the response is ok.
   bool isOk = true;
 
+  get content {
+    if (this.isList) {
+      return this.pagination;
+    } else if (this.isDatabase) {
+      return this.database;
+    } else {
+      return this.pagination;
+    }
+  }
+
   /// Returns true if the response is a database.
   bool get isDatabase => this.object == ObjectTypes.Database;
 
@@ -47,16 +57,20 @@ class NotionResponse {
   /// Returns true if the response is a page.
   bool get isPage => this.object == ObjectTypes.Page;
 
+  /// Returns true if the response have no object type.
+  bool get isNone => this.object == ObjectTypes.None;
+
   /// Main Notion response constructor.
   ///
   /// Can receive the [object] type, the [status] code, the error [code] and the error [message].
   ///
-  /// By default the [object] is a list and the [status] is ok (200).
-  NotionResponse(
-      {this.object: ObjectTypes.List,
-      this.status: 200,
-      this.code,
-      this.message});
+  /// By default the [object] type is None and the [status] is zero.
+  NotionResponse({
+    this.object: ObjectTypes.None,
+    this.status: 0,
+    this.code,
+    this.message,
+  });
 
   /// Map a new Notion response instance from a http [response].
   ///

lib/responses/pagination.dart

@@ -17,27 +17,28 @@ class Pagination {
   List<Block>? _blocks;
   List<Database>? _databases;
 
-  /// TODO: made pages class
-  List<dynamic>? _pages;
+  get list {
+    if (this.isEmpty) {
+      return [];
+    } else if (this.isBlocksList) {
+      return this.blocks;
+    } else if (this.isDatabasesList) {
+      return this.databases;
+    }
+  }
 
   /// The list of blocks for when the response is for blocks.
   List<Block> get blocks => isEmpty ? [] : _blocks!;
 
   /// The list of databases for when the response is for databases.
   List<Database> get databases => isEmpty ? [] : _databases!;
 
-  /// The list of pages for when the response is for pages.
-  List<dynamic> get pages => isEmpty ? [] : _pages!;
-
   /// Returns true if the result is a list of blocks.
   bool get isBlocksList => _blocks != null;
 
   /// Returns true if the result is a list of databases.
   bool get isDatabasesList => _databases != null;
 
-  /// Returns true if the result is a list of pages.
-  bool get isPagesList => _pages != null;
-
   /// Main pagination constructor.
   ///
   /// Can receive the [nextCursor], if [hasMore] pages, if [isEmpty] and the corresponding list: [blocks], [databases] or [pages].
@@ -47,17 +48,17 @@ class Pagination {
     this.isEmpty: false,
     List<Block>? blocks,
     List<Database>? databases,
-    List<dynamic>? pages,
   });
 
   /// Map a new pagination instance from a [json] map.
   factory Pagination.fromJson(Map<String, dynamic> json,
       {ObjectTypes? staticType}) {
-    Pagination pagination =
-        Pagination(hasMore: json['has_more'], nextCursor: json['next_cursor']);
+    Pagination pagination = Pagination(
+        hasMore: json['has_more'] ?? false, nextCursor: json['next_cursor']);
 
     // Extract the type of the list
-    List listOfUnknowns = json['results'] as List;
+    List listOfUnknowns =
+        json['results'] != null ? json['results'] as List : [];
     if (listOfUnknowns.length > 0) {
       ObjectTypes autoType =
           stringToObjectType(listOfUnknowns.first['object'] ?? '');

test/notion_api_test.dart

@@ -4,7 +4,6 @@ import 'package:dotenv/dotenv.dart' show load, env, clean;
 import 'package:notion_api/notion/blocks/heading.dart';
 import 'package:notion_api/notion/blocks/paragraph.dart';
 import 'package:notion_api/notion/blocks/todo.dart';
-import 'package:notion_api/notion/general/property.dart';
 import 'package:notion_api/notion/general/types/notion_types.dart';
 import 'package:notion_api/notion/objects/children.dart';
 import 'package:notion_api/notion/objects/pages.dart';
@@ -73,23 +72,6 @@ void main() {
 
       expect(res.status, 200);
     });
-
-    test('Invalid property', () async {
-      final NotionPagesClient pages = NotionPagesClient(token: token ?? '');
-
-      final Page page = Page(
-        parent: Parent.database(id: testDatabaseId ?? ''),
-      ).addProperty(
-        name: 'TEST',
-        property: TitleProp(content: [Text('ABC')]),
-      );
-
-      var res = await pages.create(page);
-
-      expect(res.status, 400);
-      expect(res.isError, true);
-      expect(res.code, 'validation_error');
-    });
   });
 
   group('Notion Databases Client', () {
@@ -124,31 +106,6 @@ void main() {
       expect(res.isOk, true);
     });
 
-    test('Wrong uuid for block children', () async {
-      final NotionBlockClient blocks = NotionBlockClient(token: token ?? '');
-
-      NotionResponse res = await blocks.fetch(
-          testBlockId != null ? testBlockId!.replaceFirst('d', 'b') : '');
-
-      expect(res.status, 404);
-      expect(res.isOk, false);
-      expect(res.hasError, true);
-      expect(res.isError, true);
-      expect(res.code, 'object_not_found');
-    });
-
-    test('Wrong auth for block children', () async {
-      final NotionBlockClient blocks = NotionBlockClient(token: '');
-
-      NotionResponse res = await blocks.fetch(testBlockId ?? '');
-
-      expect(res.status, 401);
-      expect(res.isOk, false);
-      expect(res.hasError, true);
-      expect(res.isError, true);
-      expect(res.code, 'unauthorized');
-    });
-
     test('Append heading & text', () async {
       final NotionBlockClient blocks = NotionBlockClient(token: token ?? '');