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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-09 23:06:16 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-09 23:14:42 -0400
commit97cb43e732a38758c95b7caf3963507188d011cf (patch)
tree8ac940da8b320712564fb49e477a4b31b26bde17 /tests
parent02b69362cb5922e3e2579b120a12afcc6167a46e (diff)
downloadguix-97cb43e732a38758c95b7caf3963507188d011cf.tar.gz
guix-97cb43e732a38758c95b7caf3963507188d011cf.zip
tests: configuration: Add a test to cover 'unset regression.
The regression was introduced with a2b89a3319dc1d621c546855f578acae5baaf6da, and introduce a risk that 'unset leaks to serialized configuration files. * tests/services/configuration.scm (maybe-symbol): New type. (config-with-maybe-symbol): New configuration. ("symbol maybe value serialization, unspecified"): New test. Reported-by: Attila Lendvai <attila@lendvai.name>
Diffstat (limited to 'tests')
-rw-r--r--tests/services/configuration.scm20
1 files changed, 19 insertions, 1 deletions
diff --git a/tests/services/configuration.scm b/tests/services/configuration.scm
index 548c400bfe..649dad26e8 100644
--- a/tests/services/configuration.scm
+++ b/tests/services/configuration.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
;;;
@@ -141,6 +141,24 @@
(config-with-maybe-number
(port 42))))
+(define (serialize-symbol name value)
+ (format #f "~a=~a~%" name value))
+
+(define-maybe symbol)
+
+(define-configuration config-with-maybe-symbol
+ (protocol maybe-symbol ""))
+
+;;; Maybe symbol values are currently seen as serializable, because the
+;;; unspecified value is 'unset, which is a symbol itself.
+;;; TODO: Remove expected fail marker after resolution.
+(test-expect-fail 1)
+(test-equal "symbol maybe value serialization, unspecified"
+ ""
+ (gexp->approximate-sexp
+ (serialize-configuration (config-with-maybe-symbol)
+ config-with-maybe-symbol-fields)))
+
(define-maybe/no-serialization string)
(define-configuration config-with-maybe-string/no-serialization