From 6efd83fcd00d826a2ee0de271ad512f59eeaebbd Mon Sep 17 00:00:00 2001
From: Erwin Nindl <erwin@nindl.eu>
Date: Fri, 2 Sep 2022 11:43:49 +0200
Subject: [PATCH] Adds test for issue #218

---
 test/CMakeLists.txt |   5 ++
 test/issue-218.cpp  | 147 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 152 insertions(+)
 create mode 100644 test/issue-218.cpp

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index fd1c309..7a8d52c 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -73,3 +73,8 @@ add_test(NAME issue-149-entry-selection COMMAND issue-149-entry-selection)
 add_executable(issue-189-default-values issue-189-default-values.cpp)
 target_link_libraries(issue-189-default-values nlohmann_json_schema_validator)
 add_test(NAME issue-189-default-values COMMAND issue-189-default-values)
+
+add_executable(issue-218 issue-218.cpp)
+target_link_libraries(issue-218 nlohmann_json_schema_validator)
+add_test(NAME issue-218 COMMAND issue-218)
+
diff --git a/test/issue-218.cpp b/test/issue-218.cpp
new file mode 100644
index 0000000..f227df4
--- /dev/null
+++ b/test/issue-218.cpp
@@ -0,0 +1,147 @@
+#include <nlohmann/json-schema.hpp>
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+using nlohmann::json;
+using nlohmann::json_uri;
+using nlohmann::json_schema::json_validator;
+
+namespace {
+
+static int error_count;
+
+template <typename T, typename R>
+void EXPECT_EQ(T a, R b, std::string name="") {
+  if (a != b) {
+    if (name != "") {
+      std::cerr << name << " - ";
+    }
+		std::cerr << "Failed: '" << a << "' != '" << b << "'\n";
+		error_count++;
+	}
+}
+
+
+static json schema = R"(
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "title": "Schedule",
+    "type": "object",
+    "properties": {
+        "reply": {
+            "description": "Send reply",
+            "type": "boolean"
+        },
+        "schedule": {
+            "description": "Array with schedule entries",
+            "type": "array",
+            "items": { "$ref": "#/definitions/schedule_entry" }
+        }
+    },
+    "definitions": {
+        "schedule_entry": {
+            "type": "object",
+            "required": [
+                "id",
+                "startdate",
+                "cmd",
+                "settings"
+            ],
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "startdate": {
+                    "type": "number",
+                    "minimum": 0
+                },
+                "cmd": {
+                    "type": "string"
+                },
+                "settings": {
+                    "type": "object"
+                }
+            }
+        }
+    }
+}
+)"_json;
+
+json valid_schedule = R"(
+{
+    "reply": false, 
+    "schedule": [
+        {
+            "id": "abc",
+            "startdate": 1,
+            "cmd": "foo",
+            "settings": {}
+        }
+    ]
+}
+)"_json;
+
+json valid_schedule_entry = R"(
+{
+    "id": "abc",
+    "startdate": 1,
+    "cmd": "foo",
+    "settings": {}
+}
+)"_json;
+
+json invalid_schedule_entry = R"(
+{
+    "id": 23,
+    "startdate": 1,
+    "cmd": "foo",
+    "settings": {}
+}
+)"_json;
+
+class store_err_handler : public nlohmann::json_schema::basic_error_handler {
+public:
+	void reset() override {
+		nlohmann::json_schema::basic_error_handler::reset();
+		failed_.clear();
+	}
+  std::size_t failed() const {
+    return failed_.size();
+  }
+private:
+	void error(const nlohmann::json::json_pointer &ptr, const json &instance, const std::string &message) override
+	{
+		nlohmann::json_schema::basic_error_handler::error(ptr, instance, message);
+		std::cerr << "ERROR: '" << ptr << "' - '" << instance << "': " << message << "\n";
+		failed_.push_back(ptr);
+	}
+	std::vector<nlohmann::json::json_pointer> failed_;
+};
+
+}  // namespace
+
+
+int main() {
+  json_validator validator(schema);
+	store_err_handler err;
+
+	validator.validate(valid_schedule, err); // OK
+	EXPECT_EQ(err.failed(), 0, "valid object");
+	err.reset();
+
+	validator.validate(R"({ "foo": "bar" })"_json, err); 
+	EXPECT_EQ(err.failed(), 1, "invalid object");
+	err.reset();
+
+	validator.validate(valid_schedule_entry, err, json_uri("#/definitions/schedule_entry"));
+	EXPECT_EQ(err.failed(), 0, "valid sub-object");
+	err.reset();
+	
+  validator.validate(invalid_schedule_entry, err, json_uri("#/definitions/schedule_entry"));
+	EXPECT_EQ(err.failed(), 1, "invalid sub-object");
+	err.reset();
+
+	return error_count;
+}