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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.Globalization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Localization;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Extensions.Hosting;
namespace Microsoft.Extensions.Localization;
public class CustomRequestCultureProviderTest
{
[Fact]
public async Task CustomRequestCultureProviderThatGetsCultureInfoFromUrl()
{
using var host = new HostBuilder()
.ConfigureWebHost(webHostBuilder =>
{
webHostBuilder
.UseTestServer()
.Configure(app =>
{
var options = new RequestLocalizationOptions
{
DefaultRequestCulture = new RequestCulture("en-US"),
SupportedCultures = new List<CultureInfo>
{
new CultureInfo("ar")
},
SupportedUICultures = new List<CultureInfo>
{
new CultureInfo("ar")
}
};
options.RequestCultureProviders.Insert(0, new CustomRequestCultureProvider(context =>
{
var culture = GetCultureInfoFromUrl(context, options.SupportedCultures);
var requestCulture = new ProviderCultureResult(culture);
return Task.FromResult(requestCulture);
}));
app.UseRequestLocalization(options);
app.Run(context =>
{
var requestCultureFeature = context.Features.Get<IRequestCultureFeature>();
var requestCulture = requestCultureFeature.RequestCulture;
Assert.Equal("ar", requestCulture.Culture.Name);
return Task.FromResult(0);
});
});
}).Build();
await host.StartAsync();
using (var server = host.GetTestServer())
{
var client = server.CreateClient();
var response = await client.GetAsync("/ar/page");
}
}
private static string GetCultureInfoFromUrl(HttpContext context, IList<CultureInfo> supportedCultures)
{
var currentCulture = "en";
var segments = context.Request.Path.Value.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
if (segments.Length > 1 && segments[0].Length == 2)
{
currentCulture = segments[0];
}
return currentCulture;
}
}
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