unevaluatedProperties now cascade infinitely down their leaf when strict validation mode is on

src/lib.rs

@@ -308,7 +308,7 @@ fn validate_json_schema(schema_id: &str, instance: JsonB) -> JsonB {
         _ => None,
       };
 
-      match cache.schemas.validate(&instance_value, schema.index, options.as_ref()) {
+      match cache.schemas.validate(&instance_value, schema.index, options) {
         Ok(_) => {
           let mut custom_errors = Vec::new();
           if schema.t == SchemaType::Type || schema.t == SchemaType::PublicPunc || schema.t == SchemaType::PrivatePunc {

src/schemas.rs

@@ -355,7 +355,16 @@ pub fn additional_properties_schemas() -> JsonB {
 
 pub fn unevaluated_properties_schemas() -> JsonB {
   let enums = json!([]);
-  let types = json!([]);
+  let types = json!([{
+    "name": "nested_for_uneval",
+    "schemas": [{
+      "$id": "nested_for_uneval",
+      "type": "object",
+      "properties": {
+        "deep_prop": { "type": "string" }
+      }
+    }]
+  }]);
   let puncs = json!([
     {
       "name": "simple_unevaluated_test",
@@ -396,6 +405,29 @@ pub fn unevaluated_properties_schemas() -> JsonB {
         },
         "unevaluatedProperties": false
       }]
+    },
+    {
+      "name": "nested_unevaluated_test",
+      "public": true, // To trigger strict mode
+      "schemas": [{
+        "$id": "nested_unevaluated_test.request",
+        "type": "object",
+        "properties": {
+          "non_strict_branch": {
+            "type": "object",
+            "unevaluatedProperties": true, // The magic switch
+            "properties": {
+              "some_prop": { "$ref": "nested_for_uneval" }
+            }
+          },
+          "strict_branch": {
+            "type": "object",
+            "properties": {
+                "another_prop": { "type": "string" }
+            }
+          }
+        }
+      }]
     }
   ]);
 

src/tests.rs

@@ -452,6 +452,33 @@ fn test_validate_unevaluated_properties() {
   
   let valid_result = validate_json_schema("simple_unevaluated_test.request", jsonb(valid_instance));
   assert_success(&valid_result);
+
+  // Test 4: Test that unevaluatedProperties: true cascades down refs
+  let cascading_instance = json!({
+      "strict_branch": {
+          "another_prop": "is_ok"
+      },
+      "non_strict_branch": {
+          "extra_at_toplevel": "is_ok", // Extra property at this level
+          "some_prop": {
+              "deep_prop": "is_ok",
+              "extra_in_ref": "is_also_ok" // Extra property in the $ref'd schema
+          }
+      }
+  });
+  let cascading_result = validate_json_schema("nested_unevaluated_test.request", jsonb(cascading_instance));
+  assert_success(&cascading_result);
+
+  // Test 5: For good measure, test that the strict branch is still strict
+  let strict_fail_instance = json!({
+      "strict_branch": {
+          "another_prop": "is_ok",
+          "extra_in_strict": "is_not_ok"
+      }
+  });
+  let strict_fail_result = validate_json_schema("nested_unevaluated_test.request", jsonb(strict_fail_instance));
+  assert_error_count(&strict_fail_result, 1);
+  assert_has_error(&strict_fail_result, "ADDITIONAL_PROPERTIES_NOT_ALLOWED", "/strict_branch/extra_in_strict");
 }
 
 #[pg_test]