github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/sanity/cgroup_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2019 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package sanity_test
    21  
    22  import (
    23  	"errors"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/sandbox/cgroup"
    28  	"github.com/snapcore/snapd/sanity"
    29  )
    30  
    31  type cgroupSuite struct{}
    32  
    33  var _ = Suite(&cgroupSuite{})
    34  
    35  func (s *cgroupSuite) TestBadCgroupProbeHappy(c *C) {
    36  	defer cgroup.MockVersion(cgroup.V1, nil)()
    37  
    38  	c.Check(sanity.CheckCgroup(), IsNil)
    39  }
    40  
    41  func (s *cgroupSuite) TestBadCgroupProbeUnknown(c *C) {
    42  	defer cgroup.MockVersion(cgroup.Unknown, nil)()
    43  
    44  	c.Check(sanity.CheckCgroup(), ErrorMatches, "snapd could not determine cgroup version")
    45  }
    46  
    47  func (s *cgroupSuite) TestBadCgroupProbeErr(c *C) {
    48  	defer cgroup.MockVersion(cgroup.Unknown, errors.New("nada"))()
    49  
    50  	c.Check(sanity.CheckCgroup(), ErrorMatches, "snapd could not probe cgroup version: nada")
    51  }