//--- Methods ---
/// <inheritdoc/>
protected override async Task InitializeEpilogueAsync()
{
await base.InitializeEpilogueAsync();
// NOTE (2019-04-15, bjorg): we initialize the invocation target directory after the function environment
// initialization so that 'CreateInvocationTargetInstance()' can access the environment variables if need be.
// read optional api-gateway-mappings file
_directory = new ApiGatewayInvocationTargetDirectory(CreateInvocationTargetInstance);
if (File.Exists("api-mappings.json"))
{
var mappings = DeserializeJson <ApiGatewayInvocationMappings>(File.ReadAllText("api-mappings.json"));
foreach (var mapping in mappings.Mappings)
{
if (mapping.RestApi != null)
{
LogInfo($"Mapping REST API '{mapping.RestApi}' to {mapping.Method}");
_directory.Add(mapping.RestApi, mapping.Method);
}
else if (mapping.WebSocket != null)
{
LogInfo($"Mapping WebSocket route '{mapping.WebSocket}' to {mapping.Method}");
_directory.Add(mapping.WebSocket, mapping.Method);
}
else
{
throw new InvalidDataException("missing 'RestApi/WebSocket' property in 'api-mappings.json' file");
}
}
}
}
private void Test(string methodName, APIGatewayProxyRequest request, APIGatewayProxyResponse expectedResponse)
{
// Arrange
var invocationTargetDirectory = new ApiGatewayInvocationTargetDirectory(type => (type == GetType()) ? this : Activator.CreateInstance(type, new[] { this }), new LambdaJsonSerializer());
invocationTargetDirectory.Add("test", $"{GetType().Assembly.FullName}::{GetType().FullName}::{methodName}");
// Act
var found = invocationTargetDirectory.TryGetInvocationTarget("test", out var invocationTarget, out var isAsync);
// Assert
found.Should().Be(true);
// Act
var response = invocationTarget(request).GetAwaiter().GetResult();
// Assert
response.Should().BeEquivalentTo(expectedResponse);
}