re-added file test/integration/aws/cloudformation_validation.py

test/integration/aws/cloudformation_validation.py

@@ -0,0 +1,19 @@
+import subprocess
+
+
+def validate_using_cfn_lint(tmp_path, cloudformation_yml):
+    """
+    This test uses cfn-lint to validate the Cloudformation template.
+    (See https://github.com/aws-cloudformation/cfn-lint)
+    """
+    out_file = tmp_path / "cloudformation.yaml"
+    with open(out_file, "w") as f:
+        f.write(cloudformation_yml)
+
+    completed_process = subprocess.run(["cfn-lint", str(out_file.absolute())], capture_output=True)
+    try:
+        completed_process.check_returncode()
+    except subprocess.CalledProcessError as e:
+        print(e.stdout)
+        raise e
+