aspnetcore/test/Microsoft.AspNetCore.Signal.../HubConnectionBuilderTests.cs

88 lines
3.4 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Connections;
using Microsoft.AspNetCore.SignalR.Internal.Protocol;
using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Xunit;
namespace Microsoft.AspNetCore.SignalR.Client.Tests
{
public class HubConnectionBuilderTests
{
[Fact]
public void HubConnectionBuiderThrowsIfConnectionFactoryNotConfigured()
{
var ex = Assert.Throws<InvalidOperationException>(() => new HubConnectionBuilder().Build());
Assert.Equal("Cannot create HubConnection instance. An IConnectionFactory was not configured.", ex.Message);
}
[Fact]
public void AddJsonProtocolSetsHubProtocolToJsonWithDefaultOptions()
{
var serviceProvider = new HubConnectionBuilder().AddJsonProtocol().Services.BuildServiceProvider();
var actualProtocol = Assert.IsType<JsonHubProtocol>(serviceProvider.GetService<IHubProtocol>());
Assert.IsType<CamelCasePropertyNamesContractResolver>(actualProtocol.PayloadSerializer.ContractResolver);
}
[Fact]
public void AddJsonProtocolSetsHubProtocolToJsonWithProvidedOptions()
{
var serviceProvider = new HubConnectionBuilder().AddJsonProtocol(options =>
{
options.PayloadSerializerSettings = new JsonSerializerSettings
{
DateFormatString = "JUST A TEST"
};
}).Services.BuildServiceProvider();
var actualProtocol = Assert.IsType<JsonHubProtocol>(serviceProvider.GetService<IHubProtocol>());
Assert.Equal("JUST A TEST", actualProtocol.PayloadSerializer.DateFormatString);
}
[Fact]
public async Task WithConnectionFactorySetsConnectionFactory()
{
var called = false;
Func<TransferFormat, Task<ConnectionContext>> connectionFactory = format =>
{
called = true;
return Task.FromResult<ConnectionContext>(null);
};
var serviceProvider = new HubConnectionBuilder().WithConnectionFactory(connectionFactory).Services.BuildServiceProvider();
var factory = serviceProvider.GetService<IConnectionFactory>();
Assert.NotNull(factory);
Assert.False(called);
await factory.ConnectAsync(TransferFormat.Text);
Assert.True(called);
}
[Fact]
public void BuildCanOnlyBeCalledOnce()
{
var builder = new HubConnectionBuilder().WithConnectionFactory(format => null);
Assert.NotNull(builder.Build());
var ex = Assert.Throws<InvalidOperationException>(() => builder.Build());
Assert.Equal("HubConnectionBuilder allows creation only of a single instance of HubConnection.", ex.Message);
}
[Fact]
public void AddMessagePackProtocolSetsHubProtocolToMsgPack()
{
var serviceProvider = new HubConnectionBuilder().AddMessagePackProtocol().Services.BuildServiceProvider();
Assert.IsType<MessagePackHubProtocol>(serviceProvider.GetService<IHubProtocol>());
}
}
}