public void IsEmpty_returns_false_for_non_empty_stack()
{
var stack = new MessageVersionStack(typeof(MyMessage));
Assert.True(stack.Count() > 0);
Assert.False(stack.IsEmpty());
}
public void IsEmpty_returns_false_for_non_empty_stack()
{
var stack = new MessageVersionStack(typeof(MyMessage));
Assert.That(stack.Count(), Is.GreaterThan(0));
Assert.That(stack.IsEmpty(), Is.False);
}
public void IsEmpty_returns_true_for_empty_stack()
{
var stack = new MessageVersionStack(typeof(MyMessage));
stack.Pop();
Assert.Equal(0, stack.Count());
Assert.True(stack.IsEmpty());
}
private Task<IExchange> DeclareVersionedExchanges(IAdvancedBus advancedBus, IConventions conventions, MessageVersionStack messageVersions, string exchangeType)
{
var destinationExchangeTask = TaskHelpers.FromResult<IExchange>(null);
while (! messageVersions.IsEmpty())
{
var messageType = messageVersions.Pop();
var exchangeName = conventions.ExchangeNamingConvention(messageType);
destinationExchangeTask = destinationExchangeTask.Then(destinationExchange => DeclareExchangeAsync(advancedBus, exchangeName, exchangeType).Then(sourceExchange =>
{
if (destinationExchange != null)
return advancedBus.BindAsync(sourceExchange, destinationExchange, "#").Then(() => sourceExchange);
return TaskHelpers.FromResult(sourceExchange);
}));
}
return destinationExchangeTask;
}
private async Task<IExchange> DeclareVersionedExchangesAsync(IAdvancedBus advancedBus, IConventions conventions, MessageVersionStack messageVersions, string exchangeType)
{
IExchange destinationExchange = null;
while (! messageVersions.IsEmpty())
{
var messageType = messageVersions.Pop();
var exchangeName = conventions.ExchangeNamingConvention(messageType);
var sourceExchange = await DeclareExchangeAsync(advancedBus, exchangeName, exchangeType).ConfigureAwait(false);
if (destinationExchange != null)
{
await advancedBus.BindAsync(sourceExchange, destinationExchange, "#").ConfigureAwait(false);
}
destinationExchange = sourceExchange;
}
return destinationExchange;
}
private IExchange DeclareVersionedExchanges( IAdvancedBus advancedBus, IConventions conventions, MessageVersionStack messageVersions, string exchangeType )
{
// This works because the message version stack is LIFO from most superseded message type to the actual message type
IExchange destinationExchange = null;
while( !messageVersions.IsEmpty() )
{
var messageType = messageVersions.Pop();
var exchangeName = conventions.ExchangeNamingConvention( messageType );
var sourceExchange = DeclareExchange( advancedBus, exchangeName, exchangeType );
if( destinationExchange != null )
advancedBus.Bind( sourceExchange, destinationExchange, "#" );
destinationExchange = sourceExchange;
}
return destinationExchange;
}
private IExchange DeclareVersionedExchanges(IAdvancedBus advancedBus, IConventions conventions, MessageVersionStack messageVersions, string exchangeType)
{
IExchange destinationExchange = null;
while (!messageVersions.IsEmpty())
{
var messageType = messageVersions.Pop();
var exchangeName = conventions.ExchangeNamingConvention(messageType);
var sourceExchange = DeclareExchange(advancedBus, exchangeName, exchangeType);
if (destinationExchange != null)
{
advancedBus.Bind(sourceExchange, destinationExchange, "#");
}
destinationExchange = sourceExchange;
}
return destinationExchange;
}
