feat: Introduce comprehensive unit tests for models and BLoCs using mockito and bloc_test, and refine TripBloc error handling.

test/blocs/group_bloc_test.mocks.dart

@@ -0,0 +1,135 @@
+// Mocks generated by Mockito 5.4.6 from annotations
+// in travel_mate/test/blocs/group_bloc_test.dart.
+// Do not manually edit this file.
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'dart:async' as _i3;
+
+import 'package:mockito/mockito.dart' as _i1;
+import 'package:mockito/src/dummies.dart' as _i6;
+import 'package:travel_mate/models/group.dart' as _i4;
+import 'package:travel_mate/models/group_member.dart' as _i5;
+import 'package:travel_mate/repositories/group_repository.dart' as _i2;
+
+// ignore_for_file: type=lint
+// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_setters_without_getters
+// ignore_for_file: comment_references
+// ignore_for_file: deprecated_member_use
+// ignore_for_file: deprecated_member_use_from_same_package
+// ignore_for_file: implementation_imports
+// ignore_for_file: invalid_use_of_visible_for_testing_member
+// ignore_for_file: must_be_immutable
+// ignore_for_file: prefer_const_constructors
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+// ignore_for_file: subtype_of_sealed_class
+
+/// A class which mocks [GroupRepository].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockGroupRepository extends _i1.Mock implements _i2.GroupRepository {
+  MockGroupRepository() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  _i3.Future<String> createGroupWithMembers({
+    required _i4.Group? group,
+    required List<_i5.GroupMember>? members,
+  }) =>
+      (super.noSuchMethod(
+            Invocation.method(#createGroupWithMembers, [], {
+              #group: group,
+              #members: members,
+            }),
+            returnValue: _i3.Future<String>.value(
+              _i6.dummyValue<String>(
+                this,
+                Invocation.method(#createGroupWithMembers, [], {
+                  #group: group,
+                  #members: members,
+                }),
+              ),
+            ),
+          )
+          as _i3.Future<String>);
+
+  @override
+  _i3.Stream<List<_i4.Group>> getGroupsByUserId(String? userId) =>
+      (super.noSuchMethod(
+            Invocation.method(#getGroupsByUserId, [userId]),
+            returnValue: _i3.Stream<List<_i4.Group>>.empty(),
+          )
+          as _i3.Stream<List<_i4.Group>>);
+
+  @override
+  _i3.Future<_i4.Group?> getGroupById(String? groupId) =>
+      (super.noSuchMethod(
+            Invocation.method(#getGroupById, [groupId]),
+            returnValue: _i3.Future<_i4.Group?>.value(),
+          )
+          as _i3.Future<_i4.Group?>);
+
+  @override
+  _i3.Future<_i4.Group?> getGroupByTripId(String? tripId) =>
+      (super.noSuchMethod(
+            Invocation.method(#getGroupByTripId, [tripId]),
+            returnValue: _i3.Future<_i4.Group?>.value(),
+          )
+          as _i3.Future<_i4.Group?>);
+
+  @override
+  _i3.Future<List<_i5.GroupMember>> getGroupMembers(String? groupId) =>
+      (super.noSuchMethod(
+            Invocation.method(#getGroupMembers, [groupId]),
+            returnValue: _i3.Future<List<_i5.GroupMember>>.value(
+              <_i5.GroupMember>[],
+            ),
+          )
+          as _i3.Future<List<_i5.GroupMember>>);
+
+  @override
+  _i3.Future<void> addMember(String? groupId, _i5.GroupMember? member) =>
+      (super.noSuchMethod(
+            Invocation.method(#addMember, [groupId, member]),
+            returnValue: _i3.Future<void>.value(),
+            returnValueForMissingStub: _i3.Future<void>.value(),
+          )
+          as _i3.Future<void>);
+
+  @override
+  _i3.Future<void> removeMember(String? groupId, String? userId) =>
+      (super.noSuchMethod(
+            Invocation.method(#removeMember, [groupId, userId]),
+            returnValue: _i3.Future<void>.value(),
+            returnValueForMissingStub: _i3.Future<void>.value(),
+          )
+          as _i3.Future<void>);
+
+  @override
+  _i3.Future<void> updateGroup(String? groupId, _i4.Group? group) =>
+      (super.noSuchMethod(
+            Invocation.method(#updateGroup, [groupId, group]),
+            returnValue: _i3.Future<void>.value(),
+            returnValueForMissingStub: _i3.Future<void>.value(),
+          )
+          as _i3.Future<void>);
+
+  @override
+  _i3.Future<void> deleteGroup(String? tripId) =>
+      (super.noSuchMethod(
+            Invocation.method(#deleteGroup, [tripId]),
+            returnValue: _i3.Future<void>.value(),
+            returnValueForMissingStub: _i3.Future<void>.value(),
+          )
+          as _i3.Future<void>);
+
+  @override
+  _i3.Stream<List<_i5.GroupMember>> watchGroupMembers(String? groupId) =>
+      (super.noSuchMethod(
+            Invocation.method(#watchGroupMembers, [groupId]),
+            returnValue: _i3.Stream<List<_i5.GroupMember>>.empty(),
+          )
+          as _i3.Stream<List<_i5.GroupMember>>);
+}