From 8cb17dea545933d892fab1f84e9d1e13aab476a6 Mon Sep 17 00:00:00 2001
From: erik <erik.seiert@meissa-gmbh.de>
Date: Wed, 12 Jul 2023 13:02:03 +0200
Subject: [PATCH] Test if stderr is in output

---
 src/test/python/domain/test_image.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/test/python/domain/test_image.py b/src/test/python/domain/test_image.py
index e26c98d..45ca8ad 100644
--- a/src/test/python/domain/test_image.py
+++ b/src/test/python/domain/test_image.py
@@ -1,4 +1,5 @@
 from pybuilder.core import Project
+from subprocess import Popen, PIPE, run
 from pathlib import Path
 from src.main.python.ddadevops.domain import (
     BuildType,
@@ -12,3 +13,12 @@ def test_devops_build_commons_path():
     assert image is not None
     assert image.is_valid()
     assert "docker/" == image.build_commons_path()
+
+def test_docker_fails_with_error_msg():
+    output = run(
+            f"docker build asdfsdf",
+            shell=True,
+            check=True,
+            stderr=PIPE,
+            text=True
+        ).stderr