Refactor xassist, test framework

Author: tharun571

src/xmagics/xassist.cpp

@@ -279,6 +279,53 @@ namespace xcpp
         }
     };
 
+    std::string escape_special_cases(const std::string& input)
+    {
+        std::string escaped;
+        for (char c : input)
+        {
+            switch (c)
+            {
+                case '\\':
+                    escaped += "\\\\";
+                    break;
+                case '\"':
+                    escaped += "\\\"";
+                    break;
+                case '\n':
+                    escaped += "\\n";
+                    break;
+                case '\t':
+                    escaped += "\\t";
+                    break;
+                case '\r':
+                    escaped += "\\r";
+                    break;
+                case '\b':
+                    escaped += "\\b";
+                    break;
+                case '\f':
+                    escaped += "\\f";
+                    break;
+                default:
+                    if (c < 0x20 || c > 0x7E)
+                    {
+                        // Escape non-printable ASCII characters and non-ASCII characters
+                        std::array<char, 7> buffer{};
+                        std::stringstream ss;
+                        ss << "\\u" << std::hex << std::setw(4) << std::setfill('0') << (c & 0xFFFF);
+                        escaped += ss.str();
+                    }
+                    else
+                    {
+                        escaped += c;
+                    }
+                    break;
+            }
+        }
+        return escaped;
+    }
+
     std::string gemini(const std::string& cell, const std::string& key)
     {
         curl_helper curl_helper;
@@ -369,8 +416,8 @@ namespace xcpp
         }
 
         const std::string post_data = R"({
-                    "model": [)" + model
-                                      + R"(],
+                    "model": ")" + model
+                                      + R"(",
                     "messages": [)" + chat_message
                                       + R"(],
                     "temperature": 0.7
@@ -453,18 +500,21 @@ namespace xcpp
                 }
             }
 
+
+            const std::string prompt = escape_special_cases(cell);
+
             std::string response;
             if (model == "gemini")
             {
-                response = gemini(cell, key);
+                response = gemini(prompt, key);
             }
             else if (model == "openai")
             {
-                response = openai(cell, key);
+                response = openai(prompt, key);
             }
             else if (model == "ollama")
             {
-                response = ollama(cell);
+                response = ollama(prompt);
             }
 
             std::cout << response;

test/test_xcpp_kernel.py

@@ -167,8 +167,6 @@ def test_notebooks(self):
                 with open(out) as f:
                     output_nb = nbformat.read(f, as_version=4)
 
-                check = True
-
                 # Iterate over the cells in the input and output notebooks
                 for i, (input_cell, output_cell) in enumerate(zip(input_nb.cells, output_nb.cells)):
                     if input_cell.cell_type == 'code' and output_cell.cell_type == 'code':