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/* SPDX-License-Identifier: LGPL-2.1-only */
/**
* libcgroup googletest for cgroup_process_v1_mnt()
*
* Copyright (c) 2020 Oracle and/or its affiliates.
* Author: Tom Hromatka <tom.hromatka@oracle.com>
*/
#include <mntent.h>
#include "gtest/gtest.h"
#include "libcgroup-internal.h"
static int mnt_tbl_idx = 0;
class CgroupProcessV1MntTest : public ::testing::Test {
};
TEST_F(CgroupProcessV1MntTest, AddV1Mount)
{
char *controllers[] = {"cpu", "memory", NULL};
struct mntent ent = (struct mntent) {
.mnt_fsname = "cgroup",
.mnt_dir = "/sys/fs/cgroup/memory",
.mnt_type = "cgroup",
.mnt_opts = "rw,nosuid,nodev,noexec,relatime,seclabel,memory",
};
int ret;
ret = cgroup_process_v1_mnt(controllers, &ent, &mnt_tbl_idx);
ASSERT_EQ(ret, 0);
ASSERT_EQ(mnt_tbl_idx, 1);
ASSERT_STREQ(cg_mount_table[0].name, "memory");
ASSERT_STREQ(cg_mount_table[0].mount.path, ent.mnt_dir);
}
/* The AddV1Mount() test above added the memory controller to the
* cg_mount_table[]. Now let's add another mount point of the
* memory controller to test the duplicate mount handling
*/
TEST_F(CgroupProcessV1MntTest, AddV1Mount_Duplicate)
{
char *controllers[] = {"cpu", "cpuset", "memory", NULL};
struct mntent ent = (struct mntent) {
.mnt_fsname = "cgroup",
.mnt_dir = "/cgroup/memory",
.mnt_type = "cgroup",
.mnt_opts = "rw,nosuid,nodev,noexec,relatime,seclabel,memory",
};
int ret;
ASSERT_EQ(NULL, cg_mount_table[0].mount.next);
ret = cgroup_process_v1_mnt(controllers, &ent, &mnt_tbl_idx);
ASSERT_EQ(ret, 0);
ASSERT_EQ(mnt_tbl_idx, 1);
ASSERT_STREQ(cg_mount_table[0].mount.next->path, ent.mnt_dir);
}
TEST_F(CgroupProcessV1MntTest, AddV1NamedMount)
{
char *controllers[] = {"cpu", "memory", "systemd", NULL};
struct mntent ent = (struct mntent) {
.mnt_fsname = "cgroup",
.mnt_dir = "/sys/fs/cgroup/systemd",
.mnt_type = "cgroup",
.mnt_opts = "rw,nosuid,nodev,noexec,relatime,seclabel,name=systemd",
};
int ret;
ret = cgroup_process_v1_mnt(controllers, &ent, &mnt_tbl_idx);
ASSERT_EQ(ret, 0);
ASSERT_EQ(mnt_tbl_idx, 1);
ASSERT_STREQ(cg_mount_table[0].name, "memory");
/* The systemd hierarchy should not be mounted due to it being
* excluded by the OPAQUE_HIERARCHY option
*/
}
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