public async Task EvaluateAsync_DisconnectedFromTheStart() {
using (var session = new RSession(0, _brokerClient, new AsyncReaderWriterLock().CreateExclusiveReaderLock(), () => { })) {
// ReSharper disable once AccessToDisposedClosure
Func<Task> f = () => session.EvaluateAsync("x <- 1");
await f.ShouldThrowAsync<RHostDisconnectedException>();
}
}
public Task <REvaluationResult> EvaluateAsync(string expression, REvaluationKind kind, CancellationToken cancellationToken = new CancellationToken()) => _session.EvaluateAsync(expression, kind, false, cancellationToken);
public async Task StopReentrantLoop() {
var callback = new RSessionCallbackStub();
var session = new RSession(0, _brokerClient, new AsyncReaderWriterLock().CreateExclusiveReaderLock(), () => { });
await session.StartHostAsync(new RHostStartupInfo {
Name = _testMethod.Name
}, callback, 50000);
var testMrs = new AsyncManualResetEvent();
callback.PlotHandler = (message, ct) => {
testMrs.Set();
return session.EvaluateAsync("x <- 1\n");
};
Task responceTask;
using (var interaction = await session.BeginInteractionAsync()) {
responceTask = interaction.RespondAsync("plot(1)\n");
}
await testMrs.WaitAsync().Should().BeCompletedAsync();
await session.StopHostAsync().Should().BeCompletedAsync(20000);
session.IsHostRunning.Should().BeFalse();
await responceTask.Should().BeCanceledAsync();
}
