Ajout du validateur json + correctif factory metadata

lib/All/json-schema-validator/test/issue-93/CMakeLists.txt

@@ -0,0 +1,7 @@
+
+add_executable(issue-93 issue-93.cpp)
+target_link_libraries(issue-93 nlohmann_json_schema_validator)
+
+add_test(NAME issue-93
+         COMMAND issue-93
+         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

lib/All/json-schema-validator/test/issue-93/blueprints.schema.json

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+{
+    "type":"array",
+    "items": {
+        "type":"object",
+        "properties": {
+            "renderable": {
+                "$ref":"/components.schema.json#/Renderable"
+            }
+        }
+    }
+}

lib/All/json-schema-validator/test/issue-93/components.schema.json

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+{
+    "Renderable": {
+        "type":"object",
+        "properties": {
+            "fg":{
+                "$ref":"/types/color.schema.json"
+            },
+            "bg":{
+                "$ref":"/types/color.schema.json"
+            }
+        }
+    }
+}

lib/All/json-schema-validator/test/issue-93/issue-93.cpp

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+#include <nlohmann/json-schema.hpp>
+
+#include <fstream>
+#include <iostream>
+
+using nlohmann::json;
+using nlohmann::json_uri;
+using nlohmann::json_schema::json_validator;
+
+static const auto expected_patch = R"(
+[{"op":"add","path":"/0/renderable/bg","value":"Black"}]
+)"_json;
+
+static const auto instance = R"(
+[
+    {
+        "name":"player",
+        "renderable": {
+            "fg":"White"
+        }
+    }
+]
+)"_json;
+
+static void loader(const json_uri &uri, json &schema)
+{
+	std::string filename = "./" + uri.path();
+	std::ifstream lf(filename);
+	if (!lf.good())
+		throw std::invalid_argument("could not open " + uri.url() + " tried with " + filename);
+	try {
+		lf >> schema;
+	} catch (const std::exception &e) {
+		throw e;
+	}
+}
+
+int main(void)
+{
+	json_validator validator(loader);
+
+	std::fstream f("blueprints.schema.json");
+
+	json schema;
+	f >> schema;
+
+	validator.set_root_schema(schema);
+
+	auto missing_default_patch = validator.validate(instance);
+
+	std::cerr << missing_default_patch << "\n";
+	std::cerr << expected_patch << "\n";
+
+	return missing_default_patch != expected_patch;
+}

lib/All/json-schema-validator/test/issue-93/types/color.schema.json

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+{
+    "type":"string",
+    "default":"Black"
+}