From 8ca75427d9718c4b4af469cbc86d6cb12cc26691 Mon Sep 17 00:00:00 2001
From: fdai7451 <ruben.otto@informatik.hs-fulda.de>
Date: Thu, 19 Jan 2023 14:30:59 +0100
Subject: [PATCH] test: add cd not existent directory test

---
 src/builtins/cd.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/builtins/cd.rs b/src/builtins/cd.rs
index a4ba4d9..44dcca5 100644
--- a/src/builtins/cd.rs
+++ b/src/builtins/cd.rs
@@ -18,9 +18,25 @@ impl Builtin for Cd {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::path::Path;
 
     #[test]
     fn cd_current() {
         assert_eq!(Cd.execute(vec![".".to_string()]), Ok(()))
     }
+
+    #[test]
+    fn cd_not_existent() {
+        // find a path which does not exists
+        let mut path = Path::new("test").to_path_buf();
+        while path.exists() {
+            path.set_file_name(format!(
+                "{}test",
+                path.file_name().unwrap_or_default().to_string_lossy()
+            ))
+        }
+
+        // No such file or directory (os error 2)
+        assert_ne!(Cd.execute(vec![path.to_string_lossy().to_string()]), Ok(()))
+    }
 }