79 lines
2.5 KiB
C#
79 lines
2.5 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Net.Http.Json;
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using System.Text;
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using System.Text.Json;
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using System.Threading.Tasks;
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using PostIt.Models;
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using PostIt.Services;
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using PostIt.ViewModels;
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using Xunit;
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namespace Yavsc.Tests.NonRegression;
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public class PostItViewModelTests
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{
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[Fact]
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public void SearchCommand_filters_posts_by_title_article_or_author()
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{
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var viewModel = new MainViewModel();
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viewModel.Posts.Add(new BlogPost { Id = 1, Title = "First post", Article = "Hello world", AuthorId = "alice" });
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viewModel.Posts.Add(new BlogPost { Id = 2, Title = "Second post", Article = "Nothing here", AuthorId = "bob" });
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viewModel.Posts.Add(new BlogPost { Id = 3, Title = "Third post", Article = "Search me", AuthorId = "carol" });
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viewModel.SearchText = "search";
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viewModel.SearchCommand.Execute(null);
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Assert.Single(viewModel.FilteredPosts);
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Assert.Equal(3, viewModel.FilteredPosts[0].Id);
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viewModel.SearchText = "bob";
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viewModel.SearchCommand.Execute(null);
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Assert.Single(viewModel.FilteredPosts);
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Assert.Equal(2, viewModel.FilteredPosts[0].Id);
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}
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[Fact]
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public async Task BlogApiClient_GetPostsAsync_returns_posts_from_api()
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{
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var expected = new List<BlogPost>
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{
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new() { Id = 1, Title = "Hello" },
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new() { Id = 2, Title = "World" }
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};
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var handler = new FakeHttpMessageHandler(HttpStatusCode.OK, JsonSerializer.Serialize(expected));
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using var client = new HttpClient(handler)
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{
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BaseAddress = new System.Uri("http://localhost/")
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};
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using var apiClient = new BlogApiClient(client);
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var posts = await apiClient.GetPostsAsync();
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Assert.Equal(2, posts.Count);
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Assert.Equal("Hello", posts[0].Title);
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}
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private sealed class FakeHttpMessageHandler : HttpMessageHandler
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{
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private readonly HttpResponseMessage _response;
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public FakeHttpMessageHandler(HttpStatusCode statusCode, string content)
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{
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_response = new HttpResponseMessage(statusCode)
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{
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Content = new StringContent(content, Encoding.UTF8, "application/json")
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};
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}
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protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
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{
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return Task.FromResult(_response);
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}
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}
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}
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