private static async Task SendEmailsAsync(Server sut, params MimeMessage[] msgs)
{
using (var client = new SmtpClient())
{
await client.ConnectAsync("localhost", sut.Port, false);
foreach (var msg in msgs)
{
await client.SendAsync(msg);
}
client.Disconnect(true);
}
}
public async Task Should_forward_emails()
{
using (var forwardServer = new Server(RandomPortNumber()))
using (var sut = new Server(RandomPortNumber(), new SMTP.ForwardServerConfig(forwardServer.Port, "localhost")))
{
var msg = CreateMessage();
var emails = await GetEmails(forwardServer, s => s.GetEmails(), () => SendEmailsAsync(sut, msg));
var actual = emails.Single();
AssertEmailsAreEqual(actual, msg);
}
}
private static async Task <IEnumerable <SMTP.EMail> > GetEmails(
Server sut,
Func <Server, IEnumerable <SMTP.EMail> > getEmailsFunc,
params Func <Task>[] sendEmails)
{
using (var countdown = new CountdownEvent(sendEmails.Count()))
using (sut.EmailReceived.Subscribe(actual =>
{
countdown.Signal();
}))
{
foreach (var t in sendEmails)
{
await t();
}
countdown.Wait();
return(getEmailsFunc(sut));
}
}
private static async Task<IEnumerable<SMTP.EMail>> GetEmails(
Server sut,
Func<Server, IEnumerable<SMTP.EMail>> getEmailsFunc,
params Func<Task>[] sendEmails)
{
using (var countdown = new CountdownEvent(sendEmails.Count()))
using (sut.EmailReceived.Subscribe(actual =>
{
countdown.Signal();
}))
{
foreach (var t in sendEmails)
await t();
countdown.Wait ();
return getEmailsFunc(sut);
}
}
private static async Task SendEmailsAsync (Server sut, params MimeMessage[] msgs)
{
using (var client = new SmtpClient ())
{
await client.ConnectAsync ("localhost", sut.Port, false);
foreach (var msg in msgs)
{
await client.SendAsync (msg);
}
client.Disconnect (true);
}
}
public async Task Should_forward_emails()
{
using (var forwardServer = new Server(RandomPortNumber()))
using (var sut = new Server(RandomPortNumber(), new SMTP.ForwardServerConfig(forwardServer.Port, "localhost")))
{
var msg = CreateMessage();
var emails = await GetEmails(forwardServer, s => s.GetEmails(), () => SendEmailsAsync(sut, msg));
var actual = emails.Single();
AssertEmailsAreEqual(actual, msg);
}
}
