From c90db25f4cf1f98f3f4f3af38d175a14ffb8c32a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 6 Feb 2017 23:45:00 +0100
Subject: linux-container: Add 'container-excursion*'.

* gnu/build/linux-container.scm (container-excursion*): New procedure.
* tests/containers.scm ("container-excursion*")
("container-excursion*, same namespaces"): New tests.
---
 tests/containers.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'tests/containers.scm')

diff --git a/tests/containers.scm b/tests/containers.scm
index 745b56b710..0b3a4be12b 100644
--- a/tests/containers.scm
+++ b/tests/containers.scm
@@ -180,4 +180,31 @@
     (lambda ()
       (primitive-exit 42))))
 
+(skip-if-unsupported)
+(test-assert "container-excursion*"
+  (call-with-temporary-directory
+   (lambda (root)
+     (define (namespaces pid)
+       (let ((pid (number->string pid)))
+         (map (lambda (ns)
+                (readlink (string-append "/proc/" pid "/ns/" ns)))
+              '("user" "ipc" "uts" "net" "pid" "mnt"))))
+
+     (let* ((pid    (run-container root '()
+                                   %namespaces 1
+                                   (lambda ()
+                                     (sleep 100))))
+            (result (container-excursion* pid
+                      (lambda ()
+                        (namespaces 1)))))
+       (kill pid SIGKILL)
+       (equal? result (namespaces pid))))))
+
+(skip-if-unsupported)
+(test-equal "container-excursion*, same namespaces"
+  42
+  (container-excursion* (getpid)
+    (lambda ()
+      (* 6 7))))
+
 (test-end)
-- 
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