public async Task Can_invoke_api_gateway_lambda_function() { var request = new APIGatewayProxyRequest { Body = "{ \"a\" = \"b\" }", HttpMethod = "GET", Path = "/foo/bar", RequestContext = new APIGatewayProxyRequest.ProxyRequestContext { HttpMethod = "GET", Path = "/foo/bar" } }; var invokeResponse = await _lambdaClient.InvokeRequestAsync("APIGatewayFunction", request); invokeResponse.StatusCode.ShouldBe(200); invokeResponse.Payload.Length.ShouldBeGreaterThan(0); var streamReader = new StreamReader(invokeResponse.Payload); var payload = await streamReader.ReadToEndAsync(); var apiGatewayProxyResponse = JsonSerializer.Deserialize <APIGatewayProxyResponse>(payload); apiGatewayProxyResponse.IsBase64Encoded.ShouldBeFalse(); apiGatewayProxyResponse.Body.ShouldNotBeNullOrWhiteSpace(); }