From 5eb4dfe7ab777dc5ab07aa9f66e61097725826ae Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Sat, 10 Dec 2016 14:53:14 +0100
Subject: [PATCH] platform/tests: add nmtstp_netns_select_random() util

---
 src/platform/tests/test-common.c | 19 +++++++++++++++++++
 src/platform/tests/test-common.h |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/src/platform/tests/test-common.c b/src/platform/tests/test-common.c
index f23cec4606..860e6b7caa 100644
--- a/src/platform/tests/test-common.c
+++ b/src/platform/tests/test-common.c
@@ -1554,6 +1554,25 @@ nmtstp_namespace_get_fd_for_process (pid_t pid, const char *ns_name)
 
 /*****************************************************************************/
 
+void
+nmtstp_netns_select_random (NMPlatform **platforms, gsize n_platforms, NMPNetns **netns)
+{
+	int i;
+
+	g_assert (platforms);
+	g_assert (n_platforms && n_platforms <= G_MAXINT32);
+	g_assert (netns && !*netns);
+	for (i = 0; i < n_platforms; i++)
+		g_assert (NM_IS_PLATFORM (platforms[i]));
+
+	i = nmtst_get_rand_int () % (n_platforms + 1);
+	if (i == 0)
+		return;
+	g_assert (nm_platform_netns_push (platforms[i - 1], netns));
+}
+
+/*****************************************************************************/
+
 NMTST_DEFINE();
 
 static gboolean
diff --git a/src/platform/tests/test-common.h b/src/platform/tests/test-common.h
index a9f4959091..48a41de63a 100644
--- a/src/platform/tests/test-common.h
+++ b/src/platform/tests/test-common.h
@@ -53,6 +53,10 @@ int nmtstp_namespace_get_fd_for_process (pid_t pid, const char *ns_name);
 
 /*****************************************************************************/
 
+void nmtstp_netns_select_random (NMPlatform **platforms, gsize n_platforms, NMPNetns **netns);
+
+/*****************************************************************************/
+
 typedef struct {
 	gulong handler_id;
 	const char *name;