github.com/bugraaydogar/snapd@v0.0.0-20210315170335-8c70bb858939/interfaces/builtin/hugepages_control_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2020 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 builtin_test
    21  
    22  import (
    23  	. "gopkg.in/check.v1"
    24  
    25  	"github.com/snapcore/snapd/interfaces"
    26  	"github.com/snapcore/snapd/interfaces/apparmor"
    27  	"github.com/snapcore/snapd/interfaces/builtin"
    28  	"github.com/snapcore/snapd/snap"
    29  	"github.com/snapcore/snapd/snap/snaptest"
    30  	"github.com/snapcore/snapd/testutil"
    31  )
    32  
    33  type HugepagesControlSuite struct {
    34  	iface    interfaces.Interface
    35  	slotInfo *snap.SlotInfo
    36  	slot     *interfaces.ConnectedSlot
    37  	plugInfo *snap.PlugInfo
    38  	plug     *interfaces.ConnectedPlug
    39  }
    40  
    41  var _ = Suite(&HugepagesControlSuite{
    42  	iface: builtin.MustInterface("hugepages-control"),
    43  })
    44  
    45  func (s *HugepagesControlSuite) SetUpTest(c *C) {
    46  	const producerYaml = `name: core
    47  version: 0
    48  type: os
    49  slots:
    50    hugepages-control:
    51  `
    52  	info := snaptest.MockInfo(c, producerYaml, nil)
    53  	s.slotInfo = info.Slots["hugepages-control"]
    54  	s.slot = interfaces.NewConnectedSlot(s.slotInfo, nil, nil)
    55  
    56  	const consumerYaml = `name: consumer
    57  version: 0
    58  apps:
    59   app:
    60    plugs: [hugepages-control]
    61  `
    62  	info = snaptest.MockInfo(c, consumerYaml, nil)
    63  	s.plugInfo = info.Plugs["hugepages-control"]
    64  	s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
    65  }
    66  
    67  func (s *HugepagesControlSuite) TestName(c *C) {
    68  	c.Assert(s.iface.Name(), Equals, "hugepages-control")
    69  }
    70  
    71  func (s *HugepagesControlSuite) TestSanitizeSlot(c *C) {
    72  	c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
    73  }
    74  
    75  func (s *HugepagesControlSuite) TestSanitizePlug(c *C) {
    76  	c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
    77  }
    78  
    79  func (s *HugepagesControlSuite) TestAppArmorSpec(c *C) {
    80  	spec := &apparmor.Specification{}
    81  	c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
    82  	c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.consumer.app"})
    83  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains,
    84  		"/sys/kernel/mm/hugepages/{,hugepages-[0-9]*}/* r,")
    85  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains,
    86  		"/sys/kernel/mm/hugepages/{,hugepages-[0-9]*}/nr_{hugepages,hugepages_mempolicy,overcommit_hugepages} w,")
    87  }
    88  
    89  func (s *HugepagesControlSuite) TestStaticInfo(c *C) {
    90  	si := interfaces.StaticInfoOf(s.iface)
    91  	c.Assert(si.ImplicitOnCore, Equals, true)
    92  	c.Assert(si.ImplicitOnClassic, Equals, true)
    93  	c.Assert(si.Summary, Equals, "allows controlling hugepages")
    94  	c.Assert(si.BaseDeclarationSlots, testutil.Contains, "hugepages-control")
    95  }
    96  
    97  func (s *HugepagesControlSuite) TestAutoConnect(c *C) {
    98  	// FIXME: fix AutoConnect methods to use ConnectedPlug/Slot
    99  	c.Assert(s.iface.AutoConnect(s.plugInfo, s.slotInfo), Equals, true)
   100  }
   101  
   102  func (s *HugepagesControlSuite) TestInterfaces(c *C) {
   103  	c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
   104  }