UnitTests: Cleanup + StringConvert/ChatCommand tests (PR #25353)

(cherry picked from commit 8ce3635d39)

tests/game/ChatCommand.cpp

@@ -0,0 +1,64 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "tc_catch2.h"
+
+#include "ChatCommand.h"
+
+using namespace Trinity::ChatCommands;
+using namespace std::string_view_literals;
+
+template <typename F>
+static void TestChatCommand(char const* c, F f, Optional<bool> expected = true)
+{
+    bool r = ChatCommand("", 0, false, +f, "")(nullptr, c);
+    if (expected)
+        ASSERT(r == *expected);
+}
+
+TEST_CASE("Command return pass-through", "[ChatCommand]")
+{
+    TestChatCommand("", [](ChatHandler*) { return true; }, true);
+    TestChatCommand("", [](ChatHandler*) { return false; }, false);
+}
+
+TEST_CASE("Command argument parsing", "[ChatCommand]")
+{
+    TestChatCommand("42", [](ChatHandler*, uint32 u)
+    {
+        REQUIRE(u == 42);
+        return true;
+    });
+
+    TestChatCommand("true", [](ChatHandler*, uint32) { return true; }, false);
+
+    TestChatCommand("1 2 3 4 5 6 7 8 9 10", [](ChatHandler*, std::vector<uint8> v)
+    {
+        REQUIRE(v.size() == 10);
+        for (size_t i = 0; i < 10; ++i)
+            REQUIRE(v[i] == (i + 1));
+        return true;
+    });
+
+    TestChatCommand("|cffff0000|Hplayer:Test|h[Test]|h|r",
+        [](ChatHandler*, Hyperlink<player> player)
+        {
+            REQUIRE("Test"sv == *player);
+            return true;
+        }
+    );
+}