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 Bind_IfNullBindingData_Throws()
{
const string queueNamePattern = "queue-{name}-with-{parameter}";
IBindableQueuePath path = CreateProductUnderTest(queueNamePattern);
ExceptionAssert.ThrowsArgumentNull(() => path.Bind(null), "bindingData");
}
private static IObjectToTypeConverter <IStorageQueue> CreateConverter(IStorageQueueClient client,
IBindableQueuePath path)
{
return(new CompositeObjectToTypeConverter <IStorageQueue>(
new OutputConverter <IStorageQueue>(new IdentityConverter <IStorageQueue>()),
new OutputConverter <CloudQueue>(new CloudQueueToStorageQueueConverter()),
new OutputConverter <string>(new StringToStorageQueueConverter(client, path))));
}
private static IObjectToTypeConverter<IStorageQueue> CreateConverter(IStorageQueueClient client,
IBindableQueuePath path)
{
return new CompositeObjectToTypeConverter<IStorageQueue>(
new OutputConverter<IStorageQueue>(new IdentityConverter<IStorageQueue>()),
new OutputConverter<CloudQueue>(new CloudQueueToStorageQueueConverter()),
new OutputConverter<string>(new StringToStorageQueueConverter(client, path)));
}
public QueueBinding(string parameterName, IArgumentBinding <IStorageQueue> argumentBinding,
IStorageQueueClient client, IBindableQueuePath path)
{
_parameterName = parameterName;
_argumentBinding = argumentBinding;
_client = client;
_accountName = QueueClient.GetAccountName(client);
_path = path;
_converter = CreateConverter(client, path);
}
public QueueBinding(string parameterName, IArgumentBinding<IStorageQueue> argumentBinding,
IStorageQueueClient client, IBindableQueuePath path)
{
_parameterName = parameterName;
_argumentBinding = argumentBinding;
_client = client;
_accountName = QueueClient.GetAccountName(client);
_path = path;
_converter = CreateConverter(client, path);
}
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 void Bind_IfNotNullBindingData_ReturnsResolvedQueueName()
{
const string queueNamePattern = "queue-{name}-with-{parameter}";
var bindingData = new Dictionary <string, object> {
{ "name", "name" }, { "parameter", "parameter" }
};
IBindableQueuePath path = CreateProductUnderTest(queueNamePattern);
string result = path.Bind(bindingData);
Assert.Equal("queue-name-with-parameter", result);
}
public StringToStorageQueueConverter(IStorageQueueClient client, IBindableQueuePath defaultPath)
{
_client = client;
_defaultPath = defaultPath;
}
