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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2017 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package udev_test
import (
"fmt"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/dirs"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/ifacetest"
"github.com/snapcore/snapd/interfaces/udev"
"github.com/snapcore/snapd/release"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/snap/snaptest"
)
type specSuite struct {
iface *ifacetest.TestInterface
spec *udev.Specification
plugInfo *snap.PlugInfo
plug *interfaces.ConnectedPlug
slotInfo *snap.SlotInfo
slot *interfaces.ConnectedSlot
}
var _ = Suite(&specSuite{
iface: &ifacetest.TestInterface{
InterfaceName: "test",
UDevConnectedPlugCallback: func(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.AddSnippet("connected-plug")
return nil
},
UDevConnectedSlotCallback: func(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.AddSnippet("connected-slot")
return nil
},
UDevPermanentPlugCallback: func(spec *udev.Specification, plug *snap.PlugInfo) error {
spec.AddSnippet("permanent-plug")
return nil
},
UDevPermanentSlotCallback: func(spec *udev.Specification, slot *snap.SlotInfo) error {
spec.AddSnippet("permanent-slot")
return nil
},
},
})
func (s *specSuite) SetUpSuite(c *C) {
info1 := snaptest.MockInfo(c, `name: snap1
version: 0
plugs:
name:
interface: test
apps:
foo:
command: bin/foo
hooks:
configure:
`, nil)
info2 := snaptest.MockInfo(c, `name: snap2
version: 0
slots:
name:
interface: test
`, nil)
s.plugInfo = info1.Plugs["name"]
s.plug = interfaces.NewConnectedPlug(s.plugInfo, nil, nil)
s.slotInfo = info2.Slots["name"]
s.slot = interfaces.NewConnectedSlot(s.slotInfo, nil, nil)
}
func (s *specSuite) SetUpTest(c *C) {
s.spec = &udev.Specification{}
}
func (s *specSuite) TestAddSnippte(c *C) {
s.spec.AddSnippet("foo")
c.Assert(s.spec.Snippets(), DeepEquals, []string{"foo"})
}
func (s *specSuite) testTagDevice(c *C, helperDir string) {
// TagDevice acts in the scope of the plug/slot (as appropriate) and
// affects all of the apps and hooks related to the given plug or slot
// (with the exception that slots cannot have hooks).
iface := &ifacetest.TestInterface{
InterfaceName: "iface-1",
UDevConnectedPlugCallback: func(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.TagDevice(`kernel="voodoo"`)
return nil
},
}
c.Assert(s.spec.AddConnectedPlug(iface, s.plug, s.slot), IsNil)
iface = &ifacetest.TestInterface{
InterfaceName: "iface-2",
UDevConnectedPlugCallback: func(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.TagDevice(`kernel="hoodoo"`)
return nil
},
}
c.Assert(s.spec.AddConnectedPlug(iface, s.plug, s.slot), IsNil)
c.Assert(s.spec.Snippets(), DeepEquals, []string{
`# iface-1
kernel="voodoo", TAG+="snap_snap1_foo"`,
`# iface-2
kernel="hoodoo", TAG+="snap_snap1_foo"`,
fmt.Sprintf(`TAG=="snap_snap1_foo", RUN+="%s/snap-device-helper $env{ACTION} snap_snap1_foo $devpath $major:$minor"`, helperDir),
`# iface-1
kernel="voodoo", TAG+="snap_snap1_hook_configure"`,
`# iface-2
kernel="hoodoo", TAG+="snap_snap1_hook_configure"`,
fmt.Sprintf(`TAG=="snap_snap1_hook_configure", RUN+="%[1]s/snap-device-helper $env{ACTION} snap_snap1_hook_configure $devpath $major:$minor"`, helperDir),
})
}
func (s *specSuite) TestTagDevice(c *C) {
defer func() { dirs.SetRootDir("") }()
restore := release.MockReleaseInfo(&release.OS{ID: "ubuntu"})
defer restore()
dirs.SetRootDir("")
s.testTagDevice(c, "/usr/lib/snapd")
}
func (s *specSuite) TestTagDeviceAltLibexecdir(c *C) {
defer func() { dirs.SetRootDir("") }()
restore := release.MockReleaseInfo(&release.OS{ID: "fedora"})
defer restore()
dirs.SetRootDir("")
// sanity
c.Check(dirs.DistroLibExecDir, Equals, "/usr/libexec/snapd")
s.testTagDevice(c, "/usr/libexec/snapd")
}
// The spec.Specification can be used through the interfaces.Specification interface
func (s *specSuite) TestSpecificationIface(c *C) {
var r interfaces.Specification = s.spec
c.Assert(r.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(r.AddConnectedSlot(s.iface, s.plug, s.slot), IsNil)
c.Assert(r.AddPermanentPlug(s.iface, s.plugInfo), IsNil)
c.Assert(r.AddPermanentSlot(s.iface, s.slotInfo), IsNil)
c.Assert(s.spec.Snippets(), DeepEquals, []string{"connected-plug", "connected-slot", "permanent-plug", "permanent-slot"})
}
func (s *specSuite) TestControlsDeviceCgroup(c *C) {
c.Assert(s.spec.ControlsDeviceCgroup(), Equals, false)
s.spec.SetControlsDeviceCgroup()
c.Assert(s.spec.ControlsDeviceCgroup(), Equals, true)
}
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