M src/main.rs → src/main.rs

@@ -6,7 +6,6 @@ mod executor;
 mod parser;
 mod shell;
 mod tests;
-mod utils;
 
 fn main() -> Result<(), error::ShellError> {
     let mut shell = shell::Shell::new();

A src/tests/mod.rs

@@ -0,0 +1,1 @@ 
+mod parser_test;

A src/tests/parser_test.rs

@@ -0,0 +1,27 @@ 
+#[cfg(test)]
+mod tests {
+    use crate::parser;
+
+    #[test]
+    fn test_parse_simple_command() {
+        let input = "echo hello";
+        let parsed = parser::parse(input).expect("Failed to parse command");
+        assert_eq!(parsed.command, "echo");
+        assert_eq!(parsed.args, vec!["hello"]);
+    }
+
+    #[test]
+    fn test_parse_quoted_argument() {
+        let input = "echo 'hello world'";
+        let parsed = parser::parse(input).expect("Failed to parse command");
+        assert_eq!(parsed.command, "echo");
+        assert_eq!(parsed.args, vec!["hello world"]);
+    }
+
+    #[test]
+    fn test_parse_empty_input() {
+        let input = "";
+        let parsed = parser::parse(input);
+        assert!(parsed.is_err(), "Empty input should result in error");
+    }
+}