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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Net;
using System.Net.Http;
using AngleSharp.Dom.Html;
using AngleSharp.Parser.Html;
using Xunit.Sdk;
namespace Microsoft.AspNetCore.Mvc.FunctionalTests;
public static class HttpClientExtensions
{
public static async Task<IHtmlDocument> GetHtmlDocumentAsync(this HttpClient client, string requestUri)
{
var response = await client.GetAsync(requestUri);
await AssertStatusCodeAsync(response, HttpStatusCode.OK);
return await GetHtmlDocumentAsync(response);
}
public static async Task<IHtmlDocument> GetHtmlDocumentAsync(this HttpResponseMessage response)
{
var content = await response.Content.ReadAsStringAsync();
var parser = new HtmlParser();
var document = parser.Parse(content);
if (document == null)
{
throw new InvalidOperationException("Response content could not be parsed as HTML: " + Environment.NewLine + content);
}
return document;
}
public static async Task<HttpResponseMessage> AssertStatusCodeAsync(this HttpResponseMessage response, HttpStatusCode expectedStatusCode)
{
if (response.StatusCode == expectedStatusCode)
{
return response;
}
string responseContent = string.Join(Environment.NewLine, response.Headers);
try
{
responseContent = await response.Content.ReadAsStringAsync();
}
catch
{
// No-op
}
throw new StatusCodeMismatchException
{
ExpectedStatusCode = expectedStatusCode,
ActualStatusCode = response.StatusCode,
ResponseContent = responseContent,
};
}
private class StatusCodeMismatchException : XunitException
{
public HttpStatusCode ExpectedStatusCode { get; set; }
public HttpStatusCode ActualStatusCode { get; set; }
public string ResponseContent { get; set; }
public override string Message
{
get
{
return $"Expected status code {ExpectedStatusCode}. Actual {ActualStatusCode}. Response Content:" + Environment.NewLine + ResponseContent;
}
}
}
}
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