public async Task ReceivesUpdatesAndRespectsTheCancellationToken()
{
var bot = new MockTelegramBotClient("start-end", "foo");
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
int updateCount = 0;
async Task HandleUpdate(ITelegramBotClient botClient, Update update, CancellationToken token)
{
updateCount++;
Assert.Contains(update.Message !.Text, "start end");
await Task.Delay(10, cancellationTokenSource.Token);
if (update.Message.Text == "end")
{
cancellationTokenSource.Cancel();
}
}
var updateHandler = new DefaultUpdateHandler(
updateHandler: HandleUpdate,
errorHandler: async(_, _, token) => await Task.Delay(10, token)
);
var cancellationToken = cancellationTokenSource.Token;
await bot.ReceiveAsync(updateHandler, cancellationToken : cancellationToken);
Assert.True(cancellationToken.IsCancellationRequested);
Assert.Equal(2, updateCount);
Assert.Equal(1, bot.MessageGroupsLeft);
}
public async Task WorksAsync()
{
var bot = new MockTelegramBotClient("hello-world", "foo-bar-123");
Assert.Equal(2, bot.MessageGroupsLeft);
var updates = await bot.MakeRequestAsync(new GetUpdatesRequest());
Assert.Equal(2, updates.Length);
Assert.Equal(1, bot.MessageGroupsLeft);
Assert.Equal("hello", updates[0].Message !.Text);
Assert.Equal("world", updates[1].Message !.Text);
updates = await bot.MakeRequestAsync(new GetUpdatesRequest());
Assert.Equal(3, updates.Length);
Assert.Equal(0, bot.MessageGroupsLeft);
Assert.Equal("foo", updates[0].Message !.Text);
Assert.Equal("bar", updates[1].Message !.Text);
Assert.Equal("123", updates[2].Message !.Text);
updates = await bot.MakeRequestAsync(new GetUpdatesRequest());
Assert.Empty(updates);
Assert.Equal(0, bot.MessageGroupsLeft);
}
public async Task StopsIfStoppedAndOutOfUpdates()
{
var mockClient = new MockTelegramBotClient("1", "2", "3");
var receiver = new QueuedUpdateReceiver(mockClient);
receiver.StartReceiving();
Task stopTask = Task.Run(() =>
{
Task.Delay(150).Wait();
receiver.StopReceiving();
});
int updateCount = 0;
await foreach (var update in receiver.YieldUpdatesAsync())
{
updateCount++;
}
Assert.Equal(3, updateCount);
Assert.Equal(0, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
Assert.False(receiver.IsReceiving);
Assert.True(stopTask.IsCompleted);
}
public async Task ReturnsReceivedPendingUpdates()
{
var mockClient = new MockTelegramBotClient("foo-bar", "123");
var receiver = new BlockingUpdateReceiver(mockClient);
Assert.Equal(2, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("foo", update.Message.Text);
break;
}
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.Equal(1, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("bar", update.Message.Text);
break;
}
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("123", update.Message.Text);
break;
}
Assert.Equal(0, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
}
public async Task ThrowOutPendingUpdates()
{
var cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(4));
var bot = new MockTelegramBotClient(
new MockClientOptions
{
Messages = new [] { "foo-bar", "baz", "quux" },
HandleNegativeOffset = true,
}
);
var receiver = new BlockingUpdateReceiver(bot, new() { ThrowPendingUpdates = true });
await using var enumerator = receiver.GetAsyncEnumerator(cancellationTokenSource.Token);
try
{
await enumerator.MoveNextAsync();
}
catch (OperationCanceledException)
{
// ignored
}
Assert.Equal(0, bot.MessageGroupsLeft);
}
public void CallingGetEnumeratorTwiceThrows()
{
var mockClient = new MockTelegramBotClient();
var receiver = new BlockingUpdateReceiver(mockClient);
_ = receiver.GetAsyncEnumerator();
Assert.Throws <InvalidOperationException>(() => receiver.GetAsyncEnumerator());
}
public async Task ReturnsReceivedPendingUpdates()
{
var mockClient = new MockTelegramBotClient("foo-bar", "123", "one-two-three", "456");
var receiver = new QueuedUpdateReceiver(mockClient);
mockClient.Options.RequestDelay = 250;
Assert.Equal(4, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
await using var enumerator = receiver.GetAsyncEnumerator();
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(3, mockClient.MessageGroupsLeft);
Assert.Equal(1, receiver.PendingUpdates);
Assert.Equal("foo", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(3, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
Assert.Equal("bar", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(2, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
Assert.Equal("123", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.Equal(2, receiver.PendingUpdates);
Assert.Equal("one", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.Equal(1, receiver.PendingUpdates);
Assert.Equal("two", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
Assert.Equal("three", enumerator.Current.Message !.Text);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(0, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
Assert.Equal("456", enumerator.Current.Message !.Text);
}
public async Task MoveNextThrowsIfEnumeratorIsDisposed()
{
var mockClient = new MockTelegramBotClient("foo");
var receiver = new QueuedUpdateReceiver(mockClient);
var enumerator = receiver.GetAsyncEnumerator();
await enumerator.MoveNextAsync();
await enumerator.DisposeAsync();
await Assert.ThrowsAnyAsync <OperationCanceledException>(async() => await enumerator.MoveNextAsync());
}
public async Task ThrowsOnMoveNextIfCancelled()
{
var mockClient = new MockTelegramBotClient("foo", "bar");
var receiver = new QueuedUpdateReceiver(mockClient);
var cts = new CancellationTokenSource();
await using var enumerator = receiver.GetAsyncEnumerator(cts.Token);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal("foo", enumerator.Current.Message !.Text);
cts.Cancel();
await Assert.ThrowsAnyAsync <OperationCanceledException>(async() => await enumerator.MoveNextAsync());
}
public async Task ReturnsReceivedPendingUpdates()
{
var mockClient = new MockTelegramBotClient("foo-bar", "123");
var receiver = new QueuedUpdateReceiver(mockClient);
Assert.Equal(2, mockClient.MessageGroupsLeft);
Assert.Equal(0, receiver.PendingUpdates);
receiver.StartReceiving();
await Task.Delay(200);
Assert.Equal(0, mockClient.MessageGroupsLeft);
Assert.Equal(3, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("foo", update.Message.Text);
break;
}
Assert.Equal(2, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("bar", update.Message.Text);
break;
}
Assert.Equal(1, receiver.PendingUpdates);
await foreach (var update in receiver.YieldUpdatesAsync())
{
Assert.Equal("123", update.Message.Text);
break;
}
Assert.Equal(0, receiver.PendingUpdates);
receiver.StopReceiving();
await foreach (var update in receiver.YieldUpdatesAsync())
{
// No pending updates and we've called StopReceiving
Assert.False(true);
}
}
public async Task BlocksWhileProcessingAsync()
{
var mockClient = new MockTelegramBotClient("test", "break", "test");
var receiver = new BlockingUpdateReceiver(mockClient);
Assert.Equal(3, mockClient.MessageGroupsLeft);
await foreach (var update in receiver.YieldUpdatesAsync())
{
if (update.Message.Text == "break")
{
break;
}
}
Assert.Equal(1, mockClient.MessageGroupsLeft);
}
public async Task DoesntReceiveWhileProcessing()
{
var mockClient = new MockTelegramBotClient("foo", "bar");
var receiver = new BlockingUpdateReceiver(mockClient);
Assert.Equal(2, mockClient.MessageGroupsLeft);
await foreach (Update update in receiver)
{
Assert.Equal("foo", update.Message !.Text);
await Task.Delay(100);
Assert.Equal(1, mockClient.MessageGroupsLeft);
break;
}
Assert.Equal(1, mockClient.MessageGroupsLeft);
}
public async Task ReceivesUpdatesInTheBackground()
{
var mockClient = new MockTelegramBotClient("1", "2", "3");
var receiver = new QueuedUpdateReceiver(mockClient);
Assert.Equal(3, mockClient.MessageGroupsLeft);
await foreach (var update in receiver)
{
Assert.Equal("1", update.Message !.Text);
await Task.Delay(100);
break;
}
Assert.Equal(0, mockClient.MessageGroupsLeft);
Assert.Equal(2, receiver.PendingUpdates);
}
public async Task ReceivesOnlyOnMoveNextAsync()
{
var mockClient = new MockTelegramBotClient("foo", "bar");
var receiver = new BlockingUpdateReceiver(mockClient);
Assert.Equal(2, mockClient.MessageGroupsLeft);
await using var enumerator = receiver.GetAsyncEnumerator();
Assert.Equal(2, mockClient.MessageGroupsLeft);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal("foo", enumerator.Current.Message !.Text);
Assert.Equal(1, mockClient.MessageGroupsLeft);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal("bar", enumerator.Current.Message !.Text);
Assert.Equal(0, mockClient.MessageGroupsLeft);
}
public async Task DoesntReceiveAfterCancellation()
{
var mockClient = new MockTelegramBotClient("foo", "bar", "foo");
var receiver = new QueuedUpdateReceiver(mockClient);
mockClient.Options.RequestDelay = 200;
var cts = new CancellationTokenSource();
await using var enumerator = receiver.GetAsyncEnumerator(cts.Token);
Assert.True(await enumerator.MoveNextAsync());
Assert.Equal(2, mockClient.MessageGroupsLeft);
Assert.Equal("foo", enumerator.Current.Message !.Text);
cts.CancelAfter(50);
await Assert.ThrowsAnyAsync <OperationCanceledException>(async() => await enumerator.MoveNextAsync());
await Task.Delay(500);
Assert.Equal(2, mockClient.MessageGroupsLeft);
}
public async Task ThrowOutPendingUpdates()
{
var cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(4));
var bot = new MockTelegramBotClient(
new MockClientOptions
{
Messages = new [] { "foo-bar", "baz", "quux" },
HandleNegativeOffset = true
}
);
int handleCount = 0;
Task HandleUpdate(
ITelegramBotClient botClient,
Update update,
CancellationToken cancellationToken)
{
handleCount += 1;
return(Task.CompletedTask);
};
var updateHandler = new DefaultUpdateHandler(
updateHandler: HandleUpdate,
errorHandler: (_, _, _) => Task.CompletedTask
);
await bot.ReceiveAsync(
updateHandler,
new() { ThrowPendingUpdates = true },
cancellationTokenSource.Token
);
Assert.Equal(0, handleCount);
Assert.Equal(0, bot.MessageGroupsLeft);
}
public async Task UserExceptionsPropagateToSurface()
{
var bot = new MockTelegramBotClient("foo-bar", "throw");
int updateCount = 0;
async Task HandleUpdate(ITelegramBotClient botClient, Update update, CancellationToken cancellationToken)
{
updateCount++;
await Task.Delay(10, cancellationToken);
if (update.Message !.Text == "throw")
{
throw new InvalidOperationException("Oops");
}
}
var updateHandler = new DefaultUpdateHandler(
updateHandler: HandleUpdate,
errorHandler: async(_, _, token) => await Task.Delay(10, token)
);
try
{
await bot.ReceiveAsync(updateHandler);
Assert.True(false);
}
catch (Exception ex)
{
Assert.IsType <InvalidOperationException>(ex);
Assert.Contains("Oops", ex.Message);
}
Assert.Equal(3, updateCount);
Assert.Equal(0, bot.MessageGroupsLeft);
}