static async Task Main(string[] args)
{
await LambdaRunner.Create()
.UsePort(5001)
.Receives <string>()
.UsesAsyncFunctionWithNoResult <Function>((function, input, context) => function.FunctionHandlerAsync(input, context))
.Build()
.RunAsync();
}
static async Task Main(string[] args)
{
var port = 5003;
await LambdaRunner.Create()
.UsePort(port)
.Receives <string>()
.UsesAsyncFunctionWithNoResult <Function>((function, args, context) => function.FunctionHandler(context))
.Build()
.RunAsync();
}
private static IRunner BuildRunner(Type lambdaType, MethodInfo method, int?port)
{
var returnType = method.ReturnType;
var paramTypes = method.GetParameters();
var inputType = GetInputType(paramTypes);
var isAsync = false;
if (returnType == typeof(void) || returnType == typeof(Task))
{
Console.WriteLine("Target lambda must return a value");
throw new InvalidOperationException();
}
var builder = LambdaRunner.Create();
if (port.HasValue)
{
builder = builder.UsePort(port.Value);
}
if (returnType.IsGenericType &&
returnType.GetGenericTypeDefinition() == typeof(Task <>))
{
returnType = returnType.GetGenericArguments()[0];
isAsync = true;
}
object receivingBuilder = inputType == null
? builder.Receives <object>()
: BuildReceivingBuilder(builder, inputType);
var returningBuilder = receivingBuilder
.GetType()
.GetMethod("Returns")
.MakeGenericMethod(returnType)
.Invoke(receivingBuilder, null);
var lambdaDelegate = BuildHandler(lambdaType, method, inputType);
var usesFunctionMethodName = isAsync
? "UsesAsyncFunction"
: "UsesFunction";
var runnerBuilder = returningBuilder
.GetType()
.GetMethod(usesFunctionMethodName)
.MakeGenericMethod(lambdaType)
.Invoke(returningBuilder, new[] { lambdaDelegate.Compile() });
var runner = runnerBuilder
.GetType()
.GetMethod("Build")
.Invoke(runnerBuilder, null);
return((IRunner)runner);
}
public void Create_returns_a_builder()
{
Assert.That(LambdaRunner.Create(), Is.InstanceOf <IRunnerBuilder>());
}
public Task <APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest request, ILambdaContext context)
{
return(LambdaRunner.Run <DemoModule>(request, context));
}
