feat: Add initial tests for AWS Lambda support

csharp/ql/test/library-tests/frameworks/Aws/lambda.cs

@@ -0,0 +1,27 @@
+using System.Net;
+using System.Collections.Generic;
+
+using Amazon.Lambda.Core;
+using Amazon.Lambda.APIGatewayEvents;
+
+
+namespace LambdaTests {
+    public class Functions {
+        public APIGatewayProxyResponse Get(APIGatewayHttpApiV2ProxyRequest request, ILambdaContext context) {
+            string body = request.Body;  // source
+            string cookie = request.Cookies[0];  // source
+
+            string rawpath = request.RawPath;  // source
+            string rawquery = request.RawQueryString;  // source
+            request.PathParameters.TryGetValue("x", out var pathparameter);  // source
+
+            string header = request.Headers["test"];  // source
+            request.Headers.TryGetValue("test", out var header2);  // source
+
+
+            return new APIGatewayProxyResponse {
+                StatusCode = 200
+            };
+        }
+    }
+}

csharp/ql/test/library-tests/frameworks/Aws/lambda.ql

@@ -0,0 +1,4 @@
+import csharp
+import semmle.code.csharp.dataflow.ExternalFlow
+
+query predicate awsRemoteSources(DataFlow::ExprNode node) { sourceNode(node, "remote") }

csharp/ql/test/library-tests/frameworks/Aws/options

@@ -0,0 +1 @@
+semmle-extractor-options: --load-sources-from-project:${testdir}/../../../resources/stubs/Amazon.Lambda/2.1.0/Amazon.Lambda.csproj