public async Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
QueueAttribute queueAttribute = parameter.GetCustomAttribute <QueueAttribute>(inherit: false);
if (queueAttribute == null)
{
return(null);
}
string queueName = Resolve(queueAttribute.QueueName);
IBindableQueuePath path = BindableQueuePath.Create(queueName);
path.ValidateContractCompatibility(context.BindingDataContract);
IArgumentBinding <IStorageQueue> argumentBinding = _innerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException("Can't bind Queue to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = parameter
};
IStorageQueueClient client = account.CreateQueueClient(clientFactoryContext);
IBinding binding = new QueueBinding(parameter.Name, argumentBinding, client, path);
return(binding);
}
public void Create_IfMalformedPattern_PropagatesThrownException()
{
const string queueNamePattern = "malformed-queue-{name%";
ExceptionAssert.ThrowsFormat(
() => BindableQueuePath.Create(queueNamePattern),
"Invalid template 'malformed-queue-{name%'. Missing closing bracket at position 17.");
}
public void Create_IfParameterizedPattern_ReturnsNotBoundPath()
{
const string queueNamePattern = "queue-{name}-with-{parameter}";
IBindableQueuePath path = BindableQueuePath.Create(queueNamePattern);
Assert.NotNull(path);
Assert.Equal(queueNamePattern, path.QueueNamePattern);
Assert.False(path.IsBound);
}
public void Create_IfNonParameterizedPattern_ReturnsBoundPath()
{
const string queueNamePattern = "queue-name-with-no-parameters";
IBindableQueuePath path = BindableQueuePath.Create(queueNamePattern);
Assert.NotNull(path);
Assert.Equal(queueNamePattern, path.QueueNamePattern);
Assert.True(path.IsBound);
}
public IStorageQueue Convert(string input)
{
string queueName;
// For convenience, treat an an empty string as a request for the default value.
if (String.IsNullOrEmpty(input) && _defaultPath.IsBound)
{
queueName = _defaultPath.Bind(null);
}
else
{
queueName = BindableQueuePath.NormalizeAndValidate(input);
}
return(_client.GetQueueReference(queueName));
}
public void Create_IfNullPattern_Throws()
{
ExceptionAssert.ThrowsArgumentNull(() => BindableQueuePath.Create(null), "queueNamePattern");
}