1
我想要習慣單元測試.net核心。不幸的是,我堅持讓我的HttpClient
包裝返回失敗的HttpResponseMessage
。Mocked HttpClient包裝返回null與xunit
這裏是我的測試,我試圖讓工作:
[Fact]
public async void TestHttpExceptionOnBadRequest()
{
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes("Test")))
{
var xmlSerializer = new Mock<IXmlSerializer>();
xmlSerializer.Setup(serializer => serializer.Deserialize(stream)).Returns(new object());
var httpClient = new Mock<IHttpHandler>();
httpClient.Setup(client => client.GetAsync("Test"))
.Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.BadRequest)));
var postcodeLookup = new PostcodeLookupService(xmlSerializer.Object, httpClient.Object, "", "");
await Assert.ThrowsAsync<HttpRequestException>(async() => await postcodeLookup.SearchAsync("", ""));
}
}
以下是我的服務代碼。問題是response.EnsureSuccessStatusCode();
返回null。
public async Task<PostcodeContainer> SearchAsync(string text, string container)
{
// add the query parameters to the query string
var query = _baseQueryString + "&text=" + WebUtility.UrlEncode(text);
query += "&container=" + WebUtility.UrlEncode(container);
// initiate client & response
var response = await _httpClient.GetAsync(query);
response.EnsureSuccessStatusCode();
return (PostcodeContainer)_serializer.Deserialize(await response.Content.ReadAsStreamAsync());
}
爲了完整起見,這裏是我的IHttpHandler
定義爲嘲笑的目的。
public interface IHttpHandler
{
HttpResponseMessage Get(string url);
HttpResponseMessage Post(string url, HttpContent content);
Task<HttpResponseMessage> GetAsync(string url);
Task<HttpResponseMessage> PostAsync(string url, HttpContent content);
}