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test all bugs fixed
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‎lib/core/model/post_model.dart

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@@ -34,4 +34,6 @@ class PostModel extends Post {
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isSelected: json["isSelected"],
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createdAt: json["createdAt"],
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);
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}

‎lib/layers/presentation/post/read_posts/bloc/read_posts_bloc.dart

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@@ -15,6 +15,7 @@ class ReadPostsBloc extends Bloc<ReadPostsEvent, ReadPostsState> {
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final DeletePost deletePost;
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final FindPosts findPosts;
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List<Post> selectedPosts = [];
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ReadPostsState get initialState => PostInitialState();
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ReadPostsBloc({
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required this.getPosts,
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required this.updatePost,

‎lib/layers/presentation/post/read_posts/bloc/read_posts_state.dart

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@@ -18,7 +18,10 @@ class PostLoadedSuccessState extends ReadPostsState {
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}
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}
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class PostErrorState extends ReadPostsState {}
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class PostErrorState extends ReadPostsState {
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String message;
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PostErrorState(this.message);
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}
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class PostNavigateToAddPostActionState extends PostActionState {}
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‎test/core/model/post_model_test.dart

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import 'package:blog_app/core/model/post_model.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'dart:convert';
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import '../../fixtures/fixture_reader.dart';
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void main() {
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final tPostModel = PostModel(
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id: 37,
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content: '',
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isSelected: 0,
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title: '',
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);
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test('should be a subclass of Post model', () async {
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//assert
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expect(tPostModel, isA<PostModel>());
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});
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group('fromJson', () {
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test('should return a valid model', () async {
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//arrange
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final Map<String, dynamic> jsonMap = json.decode(fixture('Post.json'));
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//act
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final result = PostModel.fromJson(jsonMap);
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//assert
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expect(result.id, equals(tPostModel.id));
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});
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test('should return a valid model when the JSON duration is regarded as a double', () async {
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//arrange
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final Map<String, dynamic> jsonMap = json.decode(fixture('Post_duration_double.json'));
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//act
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final result = PostModel.fromJson(jsonMap);
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//assert
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expect(result, equals(tPostModel));
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});
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});
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group('toJson', () {
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test('should return ', () async {
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//act
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final result = tPostModel.toMap();
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//assert
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final expectedMap = {
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"id": 37,
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"content": '',
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"isSelected": 0,
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"title": '',
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};
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expect(result, equals(expectedMap));
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});
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});
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}

‎test/core/util/input_converter_test.dart

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import 'package:blog_app/core/util/input_converter.dart';
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import 'package:dartz/dartz.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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late InputConverter inputConverter;
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setUp(() {
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inputConverter = InputConverter();
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});
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group('stringToUnsignedInt', () {
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test('should return an integer when the string represents an unsigned integer', () async {
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//arrange
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const str = '123';
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//act
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final result = inputConverter.stringToUnsignedInteger(str);
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//assert
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expect(result, equals(const Right(123)));
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});
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test('should return a Failure when the string is not an integer', () async {
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//arrange
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const str = 'abc';
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//act
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final result = inputConverter.stringToUnsignedInteger(str);
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//assert
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expect(result, equals(Left(InvalidInputFailure())));
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});
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test('should return a Failure when the string is a negative integer', () async {
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//arrange
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const str = '-123';
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//act
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final result = inputConverter.stringToUnsignedInteger(str);
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//assert
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expect(result, equals(Left(InvalidInputFailure())));
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});
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});
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}

‎test/fixtures/fixture_reader.dart

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import 'dart:io';
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String fixture(String name) => File('test/fixtures/$name').readAsStringSync();

‎test/fixtures/post.json

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{
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"id": 37,
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"name": "string",
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"description": "This is for random",
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"difficulty": "easy",
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"duration": 10,
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"source": "pre_loaded",
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"exercises": []
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}

‎test/fixtures/post_cached.json

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{
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"id": 37,
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"name": "string",
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"description": "This is for random",
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"difficulty": "easy",
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"duration": 10,
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"source": "pre_loaded",
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"exercises": []
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}

‎test/fixtures/post_title_long.json

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{
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"id": 37,
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"name": "string",
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"description": "This is for random",
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"difficulty": "easy",
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"duration": 10.0,
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"source": "pre_loaded",
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"exercises": []
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}

‎test/layers/data/posts/datasources/posts_local_data_source_test.dart

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import 'dart:convert';
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import 'package:blog_app/core/db/db_helper.dart';
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import 'package:blog_app/core/errors/exceptions.dart';
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import 'package:blog_app/core/model/post_model.dart';
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import 'package:blog_app/layers/data/post/data_sources/posts_local_data_sources.dart';
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import 'package:mockito/annotations.dart';
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import 'package:mockito/mockito.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../../../../fixtures/fixture_reader.dart';
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@GenerateMocks([
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DatabaseHelper
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], customMocks: [
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MockSpec<DatabaseHelper>(as: #MockDatabaseHelperForTest, returnNullOnMissingStub: true),
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])
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void main() {
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late PostLocalDataSourceImpl dataSource;
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setUp(() {
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dataSource = PostLocalDataSourceImpl();
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});
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group('getLastPost', () {
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final tPostModel = PostModel.fromJson(json.decode(fixture('post_cached.json')));
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test('should return Post from local db when there is one in the cache', () async {
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//arrange
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when(await DatabaseHelper.getPosts()).thenReturn([tPostModel]);
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//act
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final result = await dataSource.readPosts();
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//assert
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verify(DatabaseHelper.getPosts());
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expect(result, equals(tPostModel));
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});
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test('should throw a CacheException when there is not a cached value', () async {
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//arrange
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when(await DatabaseHelper.getPosts()).thenReturn([tPostModel]);
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//act
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final call = dataSource.readPosts;
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//assert
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expect(() => call(), throwsA(const TypeMatcher<CacheException>()));
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});
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});
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group('cachePostModel', () {
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final tPostModel = PostModel(
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id: 37,
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content: '',
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isSelected: 0,
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title: '',
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);
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test('should call db to cache the data', () async {
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//act
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dataSource.createPost(tPostModel);
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//assert
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verify(DatabaseHelper.insertPost(tPostModel));
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});
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});
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}

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