public void ResolveSrvRecords_should_throw_when_service_is_null(bool async)
{
var subject = new DnsClientWrapper();
Exception exception;
if (async)
{
exception = Record.Exception(() => subject.ResolveSrvRecords(null, CancellationToken.None));
}
else
{
exception = Record.Exception(() => subject.ResolveSrvRecordsAsync(null, CancellationToken.None).GetAwaiter().GetResult());
}
var e = exception.Should().BeOfType <ArgumentNullException>().Subject;
e.ParamName.Should().Be("service");
}
public void ResolveSrvRecords_should_return_expected_result(string service, string[] expectedEndPoints, bool async)
{
var subject = new DnsClientWrapper();
List <SrvRecord> result;
if (async)
{
result = subject.ResolveSrvRecords(service, CancellationToken.None);
}
else
{
result = subject.ResolveSrvRecordsAsync(service, CancellationToken.None).GetAwaiter().GetResult();
}
var actualEndPoints = result.Select(s => EndPointHelper.ToString(s.EndPoint)).ToList();
actualEndPoints.Should().BeEquivalentTo(expectedEndPoints);
}
public void ResolveSrvRecords_should_throw_when_cancellation_is_already_requested(bool async)
{
var subject = new DnsClientWrapper();
var service = "_mongodb._tcp.test5.test.build.10gen.cc";
var cts = new CancellationTokenSource();
cts.Cancel();
Exception exception;
if (async)
{
exception = Record.Exception(() => subject.ResolveSrvRecords(service, cts.Token));
}
else
{
exception = Record.Exception(() => subject.ResolveSrvRecordsAsync(service, cts.Token).GetAwaiter().GetResult());
}
exception.Should().BeOfType <OperationCanceledException>();
}