add Qr code mock test

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
           path: boards/${{ matrix.board }}
           elf: build.${{ matrix.board }}/${{ github.event.inputs.prefix }}-${{ matrix.board }}.bin
           timeout: 30000
-          expect_text: 'Closing Lua'
+          expect_text: 'End of testing application.'
           fail_text: 'Error'
           serial_log_file: 'wokwi-logs-${{ matrix.board }}.txt'
 

main/esp32-c3-lua-test.c

@@ -2,31 +2,106 @@
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
-
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#include "esp_heap_caps.h"
+
+// Function to log memory usage with the message at the end
+void log_memory_usage(const char *message)
+{
+    printf("Free heap: %d, Min free heap: %d, Largest free block: %d, %s\n",
+           heap_caps_get_free_size(MALLOC_CAP_DEFAULT),
+           heap_caps_get_minimum_free_size(MALLOC_CAP_DEFAULT),
+           heap_caps_get_largest_free_block(MALLOC_CAP_DEFAULT),
+           message);
+}
+
+// Function to run a Lua test
+void run_lua_test(const char *lua_script, const char *test_name)
+{
+    printf("Starting Lua test: %s\n", test_name);
+
+    log_memory_usage("Start of test");
+
+    lua_State *L = luaL_newstate();
+    log_memory_usage("After luaL_newstate");
+
+    luaL_openlibs(L);
+    log_memory_usage("After luaL_openlibs");
+
+    if (luaL_dostring(L, lua_script) == LUA_OK) {
+        lua_pop(L, lua_gettop(L));
+    }
+    log_memory_usage("After executing Lua script");
+
+    lua_close(L);
+    log_memory_usage("After lua_close");
+
+    printf("End of Lua test: %s\n", test_name);
+}
+
+// Function to run a Lua test and print returned QR code
+void run_lua_qr_code_test(const char *lua_script, const char *test_name)
+{
+    printf("Starting Lua QR Code test: %s\n", test_name);
+
+    log_memory_usage("Start of test");
+
+    lua_State *L = luaL_newstate();
+    log_memory_usage("After luaL_newstate");
+
+    luaL_openlibs(L);
+    log_memory_usage("After luaL_openlibs");
+
+    if (luaL_dostring(L, lua_script) == LUA_OK) {
+        // Retrieve the QR code string from the Lua stack
+        const char *qr_code_string = lua_tostring(L, -1);
+        if (qr_code_string) {
+            printf("Mock QR Code:\n%s\n", qr_code_string);
+        }
+        lua_pop(L, lua_gettop(L));
+    }
+    log_memory_usage("After executing Lua script");
+
+    lua_close(L);
+    log_memory_usage("After lua_close");
+
+    printf("End of Lua QR Code test: %s\n", test_name);
+}
 
 void app_main(void)
 {
-    printf("Starting Lua\n");
-    lua_State *L = luaL_newstate();
-    printf("Opening Lua Libs\n");
-    luaL_openlibs(L);
+    // Test 1: Simple Lua script
+    const char *simple_script = "answer = 42; print('The answer is: '..answer)";
+    run_lua_test(simple_script, "Simple Script");
 
-    printf("Calling Lua code: \n");
-    lua_pushinteger(L, 42);
-    lua_setglobal(L, "answer");
+    // Test 2: Simple Lua script to create a mock QR code representation
+    const char *mock_qr_code_script =
+        "local function generate_mock_qr(text)\n"
+        "    local result = ''\n"
+        "    for i = 1, #text do\n"
+        "        local char = text:byte(i)\n"
+        "        local line = ''\n"
+        "        for j = 1, 10 do\n"  // 10x10 mock representation
+        "            if ((char + j) % 2 == 0) then\n"
+        "                line = line .. '##'\n"
+        "            else\n"
+        "                line = line .. '  '\n"
+        "            end\n"
+        "        end\n"
+        "        result = result .. line .. '\\n'\n"
+        "    end\n"
+        "    return result\n"
+        "end\n"
+        "local qr_string = generate_mock_qr('Hello, ESP32-C3!')\n"
+        "return qr_string";
 
-    char * code = "print(answer)";
+    run_lua_qr_code_test(mock_qr_code_script, "Mock QR Code Script");
 
-    if (luaL_dostring(L, code) == LUA_OK) {
-        lua_pop(L, lua_gettop(L));
-    }
-
-    printf("Closing Lua\n");
-    lua_close(L);
+    printf("End of testing application.\n");
 
+    // Prevent the task from ending
     while(1) {
-        vTaskDelay(pdMS_TO_TICKS(16));
+        vTaskDelay(pdMS_TO_TICKS(1000));
     }
 }