github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/interfaces/builtin/pulseaudio_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016-2017 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/builtin"
    27  	"github.com/snapcore/snapd/interfaces/seccomp"
    28  	"github.com/snapcore/snapd/interfaces/udev"
    29  	"github.com/snapcore/snapd/snap"
    30  	"github.com/snapcore/snapd/snap/snaptest"
    31  	"github.com/snapcore/snapd/testutil"
    32  )
    33  
    34  type PulseAudioInterfaceSuite struct {
    35  	iface           interfaces.Interface
    36  	coreSlotInfo    *snap.SlotInfo
    37  	coreSlot        *interfaces.ConnectedSlot
    38  	classicSlotInfo *snap.SlotInfo
    39  	classicSlot     *interfaces.ConnectedSlot
    40  	plugInfo        *snap.PlugInfo
    41  	plug            *interfaces.ConnectedPlug
    42  }
    43  
    44  var _ = Suite(&PulseAudioInterfaceSuite{
    45  	iface: builtin.MustInterface("pulseaudio"),
    46  })
    47  
    48  const pulseaudioMockPlugSnapInfoYaml = `name: other
    49  version: 1.0
    50  apps:
    51   app2:
    52    command: foo
    53    plugs: [pulseaudio]
    54  `
    55  
    56  // a pulseaudio slot on a pulseaudio snap (as installed on a core/all-snap system)
    57  const pulseaudioMockCoreSlotSnapInfoYaml = `name: pulseaudio
    58  version: 1.0
    59  apps:
    60   app1:
    61    command: foo
    62    slots: [pulseaudio]
    63  `
    64  
    65  // a pulseaudio slot on the core snap (as automatically added on classic)
    66  const pulseaudioMockClassicSlotSnapInfoYaml = `name: core
    67  version: 0
    68  type: os
    69  slots:
    70   pulseaudio:
    71    interface: pulseaudio
    72  `
    73  
    74  func (s *PulseAudioInterfaceSuite) SetUpTest(c *C) {
    75  	// pulseaudio snap with pulseaudio slot on an core/all-snap install.
    76  	snapInfo := snaptest.MockInfo(c, pulseaudioMockCoreSlotSnapInfoYaml, nil)
    77  	s.coreSlotInfo = snapInfo.Slots["pulseaudio"]
    78  	s.coreSlot = interfaces.NewConnectedSlot(s.coreSlotInfo, nil, nil)
    79  	// pulseaudio slot on a core snap in a classic install.
    80  	snapInfo = snaptest.MockInfo(c, pulseaudioMockClassicSlotSnapInfoYaml, nil)
    81  	s.classicSlotInfo = snapInfo.Slots["pulseaudio"]
    82  	s.classicSlot = interfaces.NewConnectedSlot(s.classicSlotInfo, nil, nil)
    83  	// snap with the pulseaudio plug
    84  	snapInfo = snaptest.MockInfo(c, pulseaudioMockPlugSnapInfoYaml, nil)
    85  	s.plugInfo = snapInfo.Plugs["pulseaudio"]
    86  	s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
    87  }
    88  
    89  func (s *PulseAudioInterfaceSuite) TestName(c *C) {
    90  	c.Assert(s.iface.Name(), Equals, "pulseaudio")
    91  }
    92  
    93  func (s *PulseAudioInterfaceSuite) TestSanitizeSlot(c *C) {
    94  	c.Assert(interfaces.BeforePrepareSlot(s.iface, s.coreSlotInfo), IsNil)
    95  	c.Assert(interfaces.BeforePrepareSlot(s.iface, s.classicSlotInfo), IsNil)
    96  }
    97  
    98  func (s *PulseAudioInterfaceSuite) TestSanitizePlug(c *C) {
    99  	c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
   100  }
   101  
   102  func (s *PulseAudioInterfaceSuite) TestSecCompOnClassic(c *C) {
   103  	seccompSpec := &seccomp.Specification{}
   104  	err := seccompSpec.AddPermanentSlot(s.iface, s.classicSlotInfo)
   105  	c.Assert(err, IsNil)
   106  	err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.classicSlot)
   107  	c.Assert(err, IsNil)
   108  	c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.other.app2"})
   109  	c.Check(seccompSpec.SnippetForTag("snap.other.app2"), testutil.Contains, "shmctl\n")
   110  }
   111  
   112  func (s *PulseAudioInterfaceSuite) TestSecCompOnAllSnaps(c *C) {
   113  	seccompSpec := &seccomp.Specification{}
   114  	err := seccompSpec.AddPermanentSlot(s.iface, s.coreSlotInfo)
   115  	c.Assert(err, IsNil)
   116  	err = seccompSpec.AddConnectedPlug(s.iface, s.plug, s.coreSlot)
   117  	c.Assert(err, IsNil)
   118  	c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.other.app2", "snap.pulseaudio.app1"})
   119  	c.Assert(seccompSpec.SnippetForTag("snap.pulseaudio.app1"), testutil.Contains, "listen\n")
   120  	c.Assert(seccompSpec.SnippetForTag("snap.other.app2"), testutil.Contains, "shmctl\n")
   121  }
   122  
   123  func (s *PulseAudioInterfaceSuite) TestUDev(c *C) {
   124  	spec := &udev.Specification{}
   125  	c.Assert(spec.AddPermanentSlot(s.iface, s.coreSlotInfo), IsNil)
   126  	c.Assert(spec.Snippets(), HasLen, 4)
   127  	c.Assert(spec.Snippets(), testutil.Contains, `# pulseaudio
   128  KERNEL=="controlC[0-9]*", TAG+="snap_pulseaudio_app1"`)
   129  	c.Assert(spec.Snippets(), testutil.Contains, `# pulseaudio
   130  KERNEL=="pcmC[0-9]*D[0-9]*[cp]", TAG+="snap_pulseaudio_app1"`)
   131  	c.Assert(spec.Snippets(), testutil.Contains, `# pulseaudio
   132  KERNEL=="timer", TAG+="snap_pulseaudio_app1"`)
   133  	c.Assert(spec.Snippets(), testutil.Contains, `TAG=="snap_pulseaudio_app1", RUN+="/usr/lib/snapd/snap-device-helper $env{ACTION} snap_pulseaudio_app1 $devpath $major:$minor"`)
   134  }
   135  
   136  func (s *PulseAudioInterfaceSuite) TestInterfaces(c *C) {
   137  	c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
   138  }