[Unit-tests]: add blog test

backend/Idontknow.Domain/Repository/IBlogRepository.cs

@@ -8,7 +8,7 @@ public interface IBlogRepository
     {
         Task<PaginatedListResult<GetBlogsResponseViewModel>> GetBlogs(GetBlogsRequestViewModel viewModel);
 
-        Task AddBlog(AddBlogRequestViewModel viewModel);
+        Task<int> AddBlog(AddBlogRequestViewModel viewModel);
 
     }
 }

backend/Idontknow.Domain/Service/IBloggingService.cs

@@ -10,7 +10,7 @@ public interface IBloggingService
         //
         // Blogs
 
-        Task<ServiceResult<bool>> CreateBlog(AddBlogRequestViewModel viewModel);
+        Task<ServiceResult<int>> CreateBlog(AddBlogRequestViewModel viewModel);
 
         Task<ServiceResult<List<GetBlogsResponseViewModel>>> GetBlogs(GetBlogsRequestViewModel viewModel);
 

backend/Idontknow.IntegrationTests/Feature/Blogging/when_blog_is_added.cs

@@ -1,23 +1,32 @@
-using System.Net.Http;
-using Microsoft.AspNetCore.TestHost;
+using System.Linq;
+using Idontknow.Domain.ViewModels.Result;
+using Idontknow.Domain.ViewModels.Service.Blog;
+using Idontknow.IntegrationTests.Utils;
 using Xunit;
 
 namespace Idontknow.IntegrationTests.Feature.Blogging
 {
     public class when_blog_is_added
     {
-        private TestServer _server;
-        private HttpClient _client;
-
+        private readonly int _newBlogId;
+        private const string RequestUri = "/api/blogs";
+        
         public when_blog_is_added()
         {
-            // TODO: post
+            _newBlogId = ApiClientFixture.Current.HttpPostJson<ServiceResult<int>>(RequestUri, new AddBlogRequestViewModel
+            {
+                Rating = 4,
+                Url = "www.test.com"
+            }).Result.Payload;
         }
 
         [Fact]
         public void then_blog_should_be_in_database()
         {
-            // TODO: get
+            ApiServerFixture.Current.DoDatabaseOperation(context =>
+            {
+                Assert.True(context.Blogs.SingleOrDefault(blog => blog.BlogId == _newBlogId) != null);
+            });
         }
     }
 }

backend/Idontknow.IntegrationTests/Feature/Blogging/when_user_searches_for_blogs.cs

@@ -37,7 +37,7 @@ public when_user_searches_for_blogs()
         public async Task user_should_be_able_to_get_blogs_without_filters()
         {
             // act
-            var result = await ApiClientFixture.Current.GetApiResult<ServiceResult<List<GetBlogsResponseViewModel>>>(
+            var result = await ApiClientFixture.Current.HttpGet<ServiceResult<List<GetBlogsResponseViewModel>>>(
                 RequestUri);
 
             // assert
@@ -53,7 +53,7 @@ public async Task user_should_be_able_to_get_blogs_without_filters()
         public async Task  user_should_be_able_to_find_blogs_by_rating()
         {
             // act
-            var result = await ApiClientFixture.Current.GetApiResult<ServiceResult<List<GetBlogsResponseViewModel>>>(
+            var result = await ApiClientFixture.Current.HttpGet<ServiceResult<List<GetBlogsResponseViewModel>>>(
                 RequestUri, 
                 new Dictionary<string, string> { { nameof(GetBlogsRequestViewModel.Rating), "3" } });
 

backend/Idontknow.IntegrationTests/Utils/ApiClientFixture.cs

@@ -49,7 +49,7 @@ private ApiClientFixture()
             Client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(responseContent.TokenType, responseContent.AccessToken);
         }
 
-        public async Task<TResult> GetApiResult<TResult>(string requestUri, Dictionary<string, string> parameters = null)
+        public async Task<TResult> HttpGet<TResult>(string requestUri, Dictionary<string, string> parameters = null)
         {
             if (parameters != null)
                 requestUri = Microsoft.AspNetCore.WebUtilities.QueryHelpers.AddQueryString(requestUri, parameters);
@@ -61,6 +61,17 @@ public async Task<TResult> GetApiResult<TResult>(string requestUri, Dictionary<s
             return result;
         }
 
+        public async Task<TResult> HttpPostJson<TResult>(string requestUri, object value)
+        {
+            var contentOne = new StringContent(JsonConvert.SerializeObject(value), Encoding.UTF8, "application/json");
+            var httpResult = await Client.PostAsync(requestUri, contentOne);
+            httpResult.EnsureSuccessStatusCode();
+
+            var serializedResult = await httpResult.Content.ReadAsStringAsync();
+            var result = JsonConvert.DeserializeObject<TResult>(serializedResult);
+            return result;
+        }
+
         ~ApiClientFixture()
         {
             Dispose();

backend/Idontknow.Service/BloggingService.cs

@@ -9,6 +9,7 @@
 
 namespace Idontknow.Service
 {
+    // ReSharper disable once ClassNeverInstantiated.Global
     public class BloggingService : IBloggingService
     {
         private readonly IBloggingUnitOfWork _unitOfWork;
@@ -27,13 +28,13 @@ public async Task<ServiceResult<List<GetBlogsResponseViewModel>>> GetBlogs(GetBl
             return ServiceResultFactory.SuccessWithPaginator(paginatedListResult);
         }
 
-        public async Task<ServiceResult<bool>> CreateBlog(AddBlogRequestViewModel viewModel)
+        public async Task<ServiceResult<int>> CreateBlog(AddBlogRequestViewModel viewModel)
         {
             await _unitOfWork.BeginTransaction();
-            await _unitOfWork.BlogRepository.AddBlog(viewModel);
+            var newBlogId = await _unitOfWork.BlogRepository.AddBlog(viewModel);
             await _unitOfWork.SaveChangesAsync();
             _unitOfWork.CommitTransaction();
-            return ServiceResultFactory.Success(true);
+            return ServiceResultFactory.Success(newBlogId);
         }
 
         //