Quelle test_os_linux_cgroups.cpp Sprache: C

/*
* Copyright (c) 2022, Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

#include "precompiled.hpp"

#ifdef LINUX

#include "cgroupV1Subsystem_linux.hpp"
#include "cgroupV2Subsystem_linux.hpp"
#include "unittest.hpp"

typedef struct {
  const char* mount_path;
  const char* root_path;
  const char* cgroup_path;
  const char* expected_path;
} TestCase;

TEST(os_linux_cgroup, set_cgroupv1_subsystem_path) {
  TestCase host = {
    "/sys/fs/cgroup/memory",                                             // mount_path
    "/",                                                                 // root_path
    "/user.slice/user-1000.slice/user@1000.service",                     // cgroup_path
    "/sys/fs/cgroup/memory/user.slice/user-1000.slice/user@1000.service" // expected_path
  };
  TestCase container_engine = {
    "/sys/fs/cgroup/mem",                            // mount_path
    "/user.slice/user-1000.slice/user@1000.service", // root_path
    "/user.slice/user-1000.slice/user@1000.service", // cgroup_path
    "/sys/fs/cgroup/mem"                             // expected_path
  };
  int length = 2;
  TestCase* testCases[] = { &host,
                            &container_engine };
  for (int i = 0; i < length; i++) {
    CgroupV1Controller* ctrl = new CgroupV1Controller( (char*)testCases[i]->root_path,
                                                       (char*)testCases[i]->mount_path);
    ctrl->set_subsystem_path((char*)testCases[i]->cgroup_path);
    ASSERT_STREQ(testCases[i]->expected_path, ctrl->subsystem_path());
  }
}

TEST(os_linux_cgroup, set_cgroupv2_subsystem_path) {
  TestCase at_mount_root = {
    "/sys/fs/cgroup",       // mount_path
    NULL,                   // root_path, ignored
    "/",                    // cgroup_path
    "/sys/fs/cgroup"        // expected_path
  };
  TestCase sub_path = {
    "/sys/fs/cgroup",       // mount_path
    NULL,                   // root_path, ignored
    "/foobar",              // cgroup_path
    "/sys/fs/cgroup/foobar" // expected_path
  };
  int length = 2;
  TestCase* testCases[] = { &at_mount_root,
                            &sub_path };
  for (int i = 0; i < length; i++) {
    CgroupV2Controller* ctrl = new CgroupV2Controller( (char*)testCases[i]->mount_path,
                                                       (char*)testCases[i]->cgroup_path);
    ASSERT_STREQ(testCases[i]->expected_path, ctrl->subsystem_path());
  }
}

#endif

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