added feature toggles (#367)

Author: ammokhov

src/main/java/software/amazon/cloudformation/AbstractWrapper.java

@@ -267,6 +267,7 @@ public void processRequest(final InputStream inputStream, final OutputStream out
             resourceHandlerRequest.setSnapshotRequested(request.getSnapshotRequested());
             resourceHandlerRequest.setRollback(request.getRollback());
             resourceHandlerRequest.setDriftable(request.getDriftable());
+            resourceHandlerRequest.setFeatures(request.getFeatures());
             if (request.getRequestData() != null) {
                 resourceHandlerRequest.setPreviousSystemTags(request.getRequestData().getPreviousSystemTags());
             }

src/main/java/software/amazon/cloudformation/proxy/HandlerRequest.java

@@ -14,6 +14,7 @@
 */
 package software.amazon.cloudformation.proxy;
 
+import java.util.Map;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import software.amazon.cloudformation.Action;
@@ -37,5 +38,6 @@ public class HandlerRequest<ResourceT, CallbackT> {
     private Boolean snapshotRequested;
     private Boolean rollback;
     private Boolean driftable;
+    private Map<String, Object> features;
     private RequestContext<CallbackT> requestContext;
 }

src/main/java/software/amazon/cloudformation/proxy/ResourceHandlerRequest.java

@@ -46,6 +46,7 @@ public class ResourceHandlerRequest<T> {
     private Boolean snapshotRequested;
     private Boolean rollback;
     private Boolean driftable;
+    private Map<String, Object> features;
     private String region;
     private String stackId;
 }

tests/test_codegen.py

@@ -177,9 +177,9 @@ def test_generate_without_java_plugin_in_pom_should_not_fail(project):
 
 
 def test__get_plugin_version_invalid_pom(project):
-    pom = open(project.root / "pom.xml", "w")
-    pom.write("invalid pom")
-    pom.close()
+    with open(project.root / "pom.xml", "w") as pom:
+        pom.write("invalid pom")
+        pom.close()
     with pytest.raises(InvalidMavenPOMError):
         project._plugin._get_java_plugin_dependency_version(project)