Update tests/test_utils_sendmail.py

tests/test_utils_sendmail.py

@@ -7,44 +7,46 @@ sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')
 from slic.utils.sendmail import sendmail
 from slic.utils.sendmail import *
 
-import os
-import tempfile
-from email.mime.text import MIMEText
-from slic.utils.sendmail import sendmail
-
 def test_sendmail_mime_format_to_file():
-
     from_addr = "robot@local"
     subject = "MIME Format Test"
     body = "This is the MIME body."
 
-    # Create temporary file
-    with tempfile.NamedTemporaryFile("r+", delete=False) as tmp:
-        tmp_path = tmp.name
+    # Create the temporary file to capture output
+    with tempfile.NamedTemporaryFile("r+", delete=False) as tmp_file:
+        tmp_path = tmp_file.name
+
+    # Create a temporary shell script to act as a pipe receiver
+    with tempfile.NamedTemporaryFile("w", suffix=".sh", delete=False) as script_file:
+        script_path = script_file.name
+        script_file.write(f"#!/bin/sh\ncat > {tmp_path}\n")
+    os.chmod(script_path, 0o755)  # Make the script executable
 
     try:
-        # Send message
+        # Send email using the script as a fake receiver
         sendmail(
-            to_addr=f"| cat > {tmp_path}",
+            to_addr=f"| {script_path}",
             from_addr=from_addr,
             subject=subject,
             body=body
         )
 
-        # Read file content
+        # Read captured output
         with open(tmp_path, "r") as f:
             output = f.read()
 
-        # Expected message
+        # Build expected MIME message
         msg = MIMEText(body)
-        msg["To"] = f"| cat > {tmp_path}"
+        msg["To"] = f"| {script_path}"
         msg["From"] = from_addr
         msg["Subject"] = subject
         expected = msg.as_string()
 
-        # Check that the good message is in the file
+        # Validate line-by-line
         for line in expected.splitlines():
             assert line in output, f"Missing line in output: {line!r}"
 
     finally:
+        # Cleanup temp files
         os.remove(tmp_path)
+        os.remove(script_path)