From fa05e903ade4d63d4a2f0b82d38023e6cf00a878 Mon Sep 17 00:00:00 2001
From: fdai7451 <ruben.otto@informatik.hs-fulda.de>
Date: Sat, 21 Jan 2023 18:06:44 +0100
Subject: [PATCH] test: add preprocess set variable test

---
 src/preprocess.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/preprocess.rs b/src/preprocess.rs
index f802b9c..2162753 100644
--- a/src/preprocess.rs
+++ b/src/preprocess.rs
@@ -22,3 +22,14 @@ pub fn preprocess(line: String) -> Result<Option<String>, ShellError> {
 
     Ok(Some(line))
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_preprocess_env_variable() {
+        assert_eq!(preprocess("key=value".to_string()), Ok(None));
+        assert_eq!(env::var("key").unwrap_or_default(), "value".to_string())
+    }
+}