github.com/bugraaydogar/snapd@v0.0.0-20210315170335-8c70bb858939/interfaces/builtin/display_control_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 builtin_test
    21  
    22  import (
    23  	. "gopkg.in/check.v1"
    24  
    25  	"io/ioutil"
    26  	"os"
    27  	"path/filepath"
    28  
    29  	"github.com/snapcore/snapd/interfaces"
    30  	"github.com/snapcore/snapd/interfaces/apparmor"
    31  	"github.com/snapcore/snapd/interfaces/builtin"
    32  	"github.com/snapcore/snapd/snap"
    33  	"github.com/snapcore/snapd/testutil"
    34  )
    35  
    36  type displayControlInterfaceSuite struct {
    37  	testutil.BaseTest
    38  
    39  	iface    interfaces.Interface
    40  	slotInfo *snap.SlotInfo
    41  	slot     *interfaces.ConnectedSlot
    42  	plugInfo *snap.PlugInfo
    43  	plug     *interfaces.ConnectedPlug
    44  
    45  	tmpdir string
    46  }
    47  
    48  var _ = Suite(&displayControlInterfaceSuite{
    49  	iface: builtin.MustInterface("display-control"),
    50  })
    51  
    52  const displayControlConsumerYaml = `name: consumer
    53  version: 0
    54  apps:
    55   app:
    56    plugs: [display-control]
    57  `
    58  
    59  const displayControlCoreYaml = `name: core
    60  version: 0
    61  type: os
    62  slots:
    63    display-control:
    64  `
    65  
    66  func (s *displayControlInterfaceSuite) SetUpTest(c *C) {
    67  	s.plug, s.plugInfo = MockConnectedPlug(c, displayControlConsumerYaml, nil, "display-control")
    68  	s.slot, s.slotInfo = MockConnectedSlot(c, displayControlCoreYaml, nil, "display-control")
    69  
    70  	s.tmpdir = c.MkDir()
    71  }
    72  
    73  func (s *displayControlInterfaceSuite) TestName(c *C) {
    74  	c.Assert(s.iface.Name(), Equals, "display-control")
    75  }
    76  
    77  func (s *displayControlInterfaceSuite) TestSanitizeSlot(c *C) {
    78  	c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
    79  }
    80  
    81  func (s *displayControlInterfaceSuite) TestSanitizePlug(c *C) {
    82  	c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
    83  }
    84  
    85  func (s *displayControlInterfaceSuite) TestAppArmorSpec(c *C) {
    86  	c.Assert(os.MkdirAll(filepath.Join(s.tmpdir, "foo_backlight"), 0755), IsNil)
    87  	c.Assert(os.MkdirAll(filepath.Join(s.tmpdir, "bar_backlight"), 0755), IsNil)
    88  	builtin.MockReadDir(&s.BaseTest, func(path string) ([]os.FileInfo, error) {
    89  		return ioutil.ReadDir(s.tmpdir)
    90  	})
    91  	builtin.MockEvalSymlinks(&s.BaseTest, func(path string) (string, error) {
    92  		return "(dereferenced)" + path, nil
    93  	})
    94  	spec := &apparmor.Specification{}
    95  	c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
    96  	c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.consumer.app"})
    97  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "/sys/class/backlight/ r,\n")
    98  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "autodetected backlight: bar_backlight\n")
    99  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "(dereferenced)/sys/class/backlight/bar_backlight/{,**} r,\n")
   100  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "autodetected backlight: foo_backlight\n")
   101  	c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "(dereferenced)/sys/class/backlight/foo_backlight/{,**} r,\n")
   102  }
   103  
   104  func (s *displayControlInterfaceSuite) TestStaticInfo(c *C) {
   105  	si := interfaces.StaticInfoOf(s.iface)
   106  	c.Assert(si.ImplicitOnCore, Equals, true)
   107  	c.Assert(si.ImplicitOnClassic, Equals, true)
   108  	c.Assert(si.Summary, Equals, `allows configuring display parameters`)
   109  	c.Assert(si.BaseDeclarationSlots, testutil.Contains, "display-control")
   110  }
   111  
   112  func (s *displayControlInterfaceSuite) TestAutoConnect(c *C) {
   113  	c.Assert(s.iface.AutoConnect(s.plugInfo, s.slotInfo), Equals, true)
   114  }
   115  
   116  func (s *displayControlInterfaceSuite) TestInterfaces(c *C) {
   117  	c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
   118  }