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platform: fix test failure when /proc is mounted read-only

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Expect a failure when writing to /proc if the file system is mounted
read-only.

(cherry picked from commit 211eb3ff8a)
This commit is contained in:
Beniamino Galvani 2020-04-30 17:20:21 +02:00
parent f2fdb6710f
commit cd056b664b
1 changed files with 53 additions and 24 deletions
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77
src/platform/tests/test-link.c
View file

@ -3028,18 +3028,29 @@ test_sysctl_netns_switch (void)
nmtstp_link_delete (PL, FALSE, ifindex, NULL, TRUE);
}
static void
sysctl_set_async_cb_assert_success (GError *error, gpointer data)
{
g_assert_no_error (error);
g_main_loop_quit (data);
}
typedef struct {
GMainLoop *loop;
const char *path;
gboolean expected_success;
gint32 expected_value;
} SetAsyncData;
static void
sysctl_set_async_cb_assert_failure (GError *error, gpointer data)
sysctl_set_async_cb (GError *error, gpointer user_data)
{
g_assert (error);
g_main_loop_quit (data);
SetAsyncData *data = user_data;
if (data->expected_success) {
g_assert_no_error (error);
g_assert_cmpint (nm_platform_sysctl_get_int32 (NM_PLATFORM_GET,
NMP_SYSCTL_PATHID_ABSOLUTE (data->path),
-1),
==,
data->expected_value);
} else
g_assert (error);
g_main_loop_quit (data->loop);
}
static void
@ -3048,43 +3059,53 @@ test_sysctl_set_async (void)
NMPlatform *const PL = NM_PLATFORM_GET;
const char *const IFNAME = "nm-dummy-0";
const char *const PATH = "/proc/sys/net/ipv4/conf/nm-dummy-0/rp_filter";
gs_free GMainLoop *loop = NULL;
GMainLoop *loop;
gs_unref_object GCancellable *cancellable = NULL;
gboolean proc_writable;
SetAsyncData data;
int ifindex;
ifindex = nmtstp_link_dummy_add (PL, -1, IFNAME)->ifindex;
loop = g_main_loop_new (NULL, FALSE);
cancellable = g_cancellable_new ();
proc_writable = access (PATH, W_OK) == 0;
data = (SetAsyncData) {
.loop = loop,
.path = PATH,
.expected_success = proc_writable,
.expected_value = 2,
};
nm_platform_sysctl_set_async (PL,
NMP_SYSCTL_PATHID_ABSOLUTE (PATH),
(const char *[]) { "2", NULL},
sysctl_set_async_cb_assert_success,
loop,
sysctl_set_async_cb,
&data,
cancellable);
if (!nmtst_main_loop_run (loop, 1000))
g_assert_not_reached ();
g_assert_cmpint (nm_platform_sysctl_get_int32 (PL, NMP_SYSCTL_PATHID_ABSOLUTE (PATH), -1),
==,
2);
data = (SetAsyncData) {
.loop = loop,
.path = PATH,
.expected_success = proc_writable,
.expected_value = 1,
};
nm_platform_sysctl_set_async (PL,
NMP_SYSCTL_PATHID_ABSOLUTE (PATH),
(const char *[]) { "2", "0", "1", "0", "1", NULL},
sysctl_set_async_cb_assert_success,
loop,
sysctl_set_async_cb,
&data,
cancellable);
if (!nmtst_main_loop_run (loop, 2000))
g_assert_not_reached ();
g_assert_cmpint (nm_platform_sysctl_get_int32 (PL, NMP_SYSCTL_PATHID_ABSOLUTE (PATH), -1),
==,
1);
nmtstp_link_delete (NULL, -1, ifindex, IFNAME, TRUE);
g_main_loop_unref (loop);
}
static void
@ -3093,25 +3114,33 @@ test_sysctl_set_async_fail (void)
NMPlatform *const PL = NM_PLATFORM_GET;
const char *const IFNAME = "nm-dummy-0";
const char *const PATH = "/proc/sys/net/ipv4/conf/nm-dummy-0/does-not-exist";
gs_free GMainLoop *loop = NULL;
GMainLoop *loop;
gs_unref_object GCancellable *cancellable = NULL;
SetAsyncData data;
int ifindex;
ifindex = nmtstp_link_dummy_add (PL, -1, IFNAME)->ifindex;
loop = g_main_loop_new (NULL, FALSE);
cancellable = g_cancellable_new ();
data = (SetAsyncData) {
.loop = loop,
.path = PATH,
.expected_success = FALSE,
};
nm_platform_sysctl_set_async (PL,
NMP_SYSCTL_PATHID_ABSOLUTE (PATH),
(const char *[]) { "2", NULL},
sysctl_set_async_cb_assert_failure,
loop,
sysctl_set_async_cb,
&data,
cancellable);
if (!nmtst_main_loop_run (loop, 1000))
g_assert_not_reached ();
nmtstp_link_delete (NULL, -1, ifindex, IFNAME, TRUE);
g_main_loop_unref (loop);
}
/*****************************************************************************/