fix(tests): windows insists on using backslash, so we'll remove them in the tests

Author: SuperFola

src/arkreactor/Error/Diagnostics.cpp

@@ -65,7 +65,9 @@ namespace Ark::Diagnostics
         else if (maybe_context && !ctx_same_file && !maybe_context->filename.empty())
         {
             // show the location of the parent of our error first
-            fmt::print(os, "Error originated from file {}:{}\n", maybe_context->filename, maybe_context->at.start.line + 1);
+            std::string uniformised_filename;
+            std::ranges::replace_copy(maybe_context->filename, std::back_inserter(uniformised_filename), '\\', '/');
+            fmt::print(os, "Error originated from file {}:{}\n", uniformised_filename, maybe_context->at.start.line + 1);
 
             std::optional<decltype(internal::FilePos::line)> maybe_end_line = std::nullopt;
             if (maybe_context->at.end)
@@ -193,9 +195,11 @@ namespace Ark::Diagnostics
                 const std::string& filename, const internal::FileSpan& at,
                 const std::optional<CodeErrorContext>& maybe_context = std::nullopt)
     {
+        std::string uniformised_filename;
+        std::ranges::replace_copy(filename, std::back_inserter(uniformised_filename), '\\', '/');
         makeContext(
             ErrorLocation {
-                .filename = filename,
+                .filename = uniformised_filename,
                 .start = at.start,
                 .end = at.end },
             os, maybe_context, colorize);

tests/unittests/TestsHelper.cpp

@@ -75,6 +75,7 @@ std::string sanitizeCodeError(const Ark::CodeError& e)
 
     std::string diag = stream.str();
     diag.erase(std::ranges::remove(diag, '\r').begin(), diag.end());
+
     while (diag.find(ARK_TESTS_ROOT) != std::string::npos)
         diag.erase(diag.find(ARK_TESTS_ROOT), std::size(ARK_TESTS_ROOT) - 1);