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#region Copyright notice and license
// Copyright 2017 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core;
using Grpc.Core.Internal;
using Grpc.Core.Profiling;
using Grpc.Core.Utils;
using NUnit.Framework;
namespace Grpc.Core.Tests
{
public class ChannelConnectivityTest
{
const string Host = "127.0.0.1";
MockServiceHelper helper;
Server server;
Channel channel;
[SetUp]
public void Init()
{
helper = new MockServiceHelper(Host);
server = helper.GetServer();
server.Start();
channel = helper.GetChannel();
}
[TearDown]
public void Cleanup()
{
channel.ShutdownAsync().Wait();
server.ShutdownAsync().Wait();
}
[Test]
public async Task Channel_WaitForStateChangedAsync()
{
Assert.ThrowsAsync(typeof(TaskCanceledException),
async () => await channel.WaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(0)));
var stateChangedTask = channel.WaitForStateChangedAsync(channel.State);
await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(5000));
await stateChangedTask;
Assert.AreEqual(ChannelState.Ready, channel.State);
}
[Test]
public async Task Channel_TryWaitForStateChangedAsync()
{
Assert.IsFalse(await channel.TryWaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(0)));
var stateChangedTask = channel.TryWaitForStateChangedAsync(channel.State);
await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(5000));
Assert.IsTrue(await stateChangedTask);
Assert.AreEqual(ChannelState.Ready, channel.State);
}
[Test]
public async Task Channel_ConnectAsync()
{
await channel.ConnectAsync();
Assert.AreEqual(ChannelState.Ready, channel.State);
await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(1000));
Assert.AreEqual(ChannelState.Ready, channel.State);
}
}
}
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