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using System;
using NUnit.Framework;
using Google.GRPC.Core;
using System.Threading;
using System.Threading.Tasks;
using Google.GRPC.Core.Utils;
using System.Collections.Generic;
namespace math.Tests
{
/// <summary>
/// Math client talks to local math server.
/// </summary>
public class MathClientServerTest
{
string serverAddr = "localhost:" + PortPicker.PickUnusedPort();
Server server;
Channel channel;
MathGrpc.IMathServiceClient client;
[TestFixtureSetUp]
public void Init()
{
server = new Server();
server.AddServiceDefinition(MathGrpc.BindService(new MathServiceImpl()));
server.AddPort(serverAddr);
server.Start();
channel = new Channel(serverAddr);
client = MathGrpc.NewStub(channel);
}
[Test]
public void Div1()
{
DivReply response = client.Div(new DivArgs.Builder { Dividend = 10, Divisor = 3 }.Build());
Assert.AreEqual(3, response.Quotient);
Assert.AreEqual(1, response.Remainder);
}
[Test]
public void Div2()
{
DivReply response = client.Div(new DivArgs.Builder { Dividend = 0, Divisor = 1 }.Build());
Assert.AreEqual(0, response.Quotient);
Assert.AreEqual(0, response.Remainder);
}
// TODO: test division by zero
[Test]
public void DivAsync()
{
DivReply response = client.DivAsync(new DivArgs.Builder { Dividend = 10, Divisor = 3 }.Build()).Result;
Assert.AreEqual(3, response.Quotient);
Assert.AreEqual(1, response.Remainder);
}
[Test]
public void Fib()
{
var recorder = new RecordingObserver<Num>();
client.Fib(new FibArgs.Builder { Limit = 6 }.Build(), recorder);
CollectionAssert.AreEqual(new List<long>{1, 1, 2, 3, 5, 8},
recorder.ToList().Result.ConvertAll((n) => n.Num_));
}
// TODO: test Fib with limit=0 and cancellation
[Test]
public void Sum()
{
var res = client.Sum();
foreach (var num in new long[] { 10, 20, 30 }) {
res.Inputs.OnNext(Num.CreateBuilder().SetNum_(num).Build());
}
res.Inputs.OnCompleted();
Assert.AreEqual(60, res.Task.Result.Num_);
}
[Test]
public void DivMany()
{
List<DivArgs> divArgsList = new List<DivArgs>{
new DivArgs.Builder { Dividend = 10, Divisor = 3 }.Build(),
new DivArgs.Builder { Dividend = 100, Divisor = 21 }.Build(),
new DivArgs.Builder { Dividend = 7, Divisor = 2 }.Build()
};
var recorder = new RecordingObserver<DivReply>();
var requestObserver = client.DivMany(recorder);
foreach (var arg in divArgsList)
{
requestObserver.OnNext(arg);
}
requestObserver.OnCompleted();
var result = recorder.ToList().Result;
CollectionAssert.AreEqual(new long[] {3, 4, 3}, result.ConvertAll((divReply) => divReply.Quotient));
CollectionAssert.AreEqual(new long[] {1, 16, 1}, result.ConvertAll((divReply) => divReply.Remainder));
}
[TestFixtureTearDown]
public void Cleanup()
{
channel.Dispose();
server.ShutdownAsync().Wait();
GrpcEnvironment.Shutdown();
}
}
}
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