From 22718aea57fde4e325aea4c0d36d76b0d1609fa7 Mon Sep 17 00:00:00 2001
From: Adam <adammegarules1@gmail.com>
Date: Mon, 24 Aug 2026 10:30:53 +0200
Subject: refactor(tests): improving tests by creating testing cli app

---
 src/main.cpp | 42 ------------------------------------------
 src/uci.cpp  | 31 +++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 42 deletions(-)

(limited to 'src')

diff --git a/src/main.cpp b/src/main.cpp
index 27b428d..e7f2d87 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,48 +7,11 @@
 #include <string>
 
 #include "board/board.hpp"
-#include "board/fen.hpp"
 #include "hash.hpp"
 #include "misc.hpp"
 #include "moves.hpp"
 #include "uci.hpp"
 
-static void perft(int argc, char *argv[]) {
-  if (argc < 4 || std::string(argv[1]) != "perft") {
-    std::cout << "Usage: ./mono\n";
-    std::cout << "       ./mono perft <non-negative depth> <fen>\n";
-    exit(1);
-  }
-
-  uint32_t depth = 0;
-  try {
-    depth = static_cast<uint32_t>(std::stoi(argv[2]));
-  } catch (const std::exception &) {
-    std::cout << "info string usage: ./mono perft <non-negative depth>\n";
-    exit(1);
-  }
-
-  std::string fen = argv[3];
-
-  auto start = std::chrono::steady_clock::now();
-
-  Game game = initBoard(fen, nullptr);
-  uint64_t count = 0;
-#ifdef PERFT_DIVIDE
-  count = MoveGenTestDivide(depth, &game);
-#else
-  count = MoveGenTest(depth, &game);
-#endif
-
-  auto end = std::chrono::steady_clock::now();
-  auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
-                .count();
-  std::ostringstream oss;
-  oss << "{\"ms\": " << ms << ", \"result\": " << count << "}";
-
-  std::cout << oss.str() << "\n";
-}
-
 static void hashCmd(int argc, char *argv[]) {
   if (argc < 3) {
     std::cout << "Usage: ./mono hash <fen> [moves...]\n";
@@ -79,11 +42,6 @@ int main(int argc, char *argv[]) {
   InitHashing();
   initMagicBitboards();
 
-  if (argc >= 2 && std::string(argv[1]) == "perft") {
-    perft(argc, argv);
-    return 0;
-  }
-
   if (argc >= 2 && std::string(argv[1]) == "hash") {
     hashCmd(argc, argv);
     return 0;
diff --git a/src/uci.cpp b/src/uci.cpp
index 7cff997..5f62169 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -1,6 +1,7 @@
 #include <array>
 #include <cassert>
 #include <cctype>
+#include <chrono>
 #include <cstddef>
 #include <cstdint>
 #include <cstdlib>
@@ -351,5 +352,35 @@ void Uci() {
       uint64_t hash = GenerateHashFromScratch(&game);
       std::cout << hash << "\n";
     }
+    if (cmd.starts_with("perft")) {
+
+      uint32_t depth = 0;
+
+      std::stringstream ss(cmd);
+      std::string token;
+
+      ss >> token; // position
+
+      ss >> depth;
+
+      auto start = std::chrono::steady_clock::now();
+
+      uint64_t count = 0;
+
+#ifdef PERFT_DIVIDE
+      count = MoveGenTestDivide(depth, &game);
+#else
+      count = MoveGenTest(depth, &game);
+#endif
+
+      auto end = std::chrono::steady_clock::now();
+      auto ms =
+          std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
+              .count();
+      std::ostringstream oss;
+      oss << "{\"ms\": " << ms << ", \"result\": " << count << "}";
+
+      std::cout << oss.str() << "\n";
+    }
   }
 }
-- 
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