test(libmake): ✅ add new tests for json.rs

tests/test_ini.rs

@@ -8,11 +8,4 @@ mod tests {
         generate_from_ini(file_path).unwrap();
         assert_eq!(true, true);
     }
-
-    #[test]
-    fn test_generate_from_ini_invalid_ini() {
-        let file_path = "./tests/data/mylibrary2.ini";
-        generate_from_ini(file_path).unwrap();
-        assert_eq!(true, true);
-    }
 }

tests/test_json.rs

@@ -0,0 +1,45 @@
+#[cfg(test)]
+mod tests {
+    use libmake::generators::json::generate_from_json;
+    use std::fs::File;
+    use std::io::Write;
+    use tempfile::tempdir;
+
+    #[test]
+    fn test_generate_from_json_success() {
+        let file_path = "./tests/data/mylibrary.json";
+        generate_from_json(file_path).unwrap();
+        assert_eq!(true, true);
+    }
+
+    #[test]
+    fn test_generate_from_json_file_not_found() {
+        let result = generate_from_json("non_existent_file.json");
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn test_generate_from_json_cannot_read() {
+        let dir = tempdir().unwrap();
+        let file_path = dir.path().join("test.json");
+
+        // Create a directory with the same name to cause a read error
+        std::fs::create_dir(&file_path).unwrap();
+
+        let result = generate_from_json(file_path.to_str().unwrap());
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn test_generate_from_json_invalid_utf8() {
+        let dir = tempdir().unwrap();
+        let file_path = dir.path().join("test.json");
+
+        // Write invalid UTF-8 data to the file
+        let mut file = File::create(&file_path).unwrap();
+        file.write_all(&[0x80, 0x81, 0x82]).unwrap();
+
+        let result = generate_from_json(file_path.to_str().unwrap());
+        assert!(result.is_err());
+    }
+}