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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016-2018 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 (
"testing"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/udev"
"github.com/snapcore/snapd/testutil"
)
func Test(t *testing.T) {
TestingT(t)
}
type uDevSuite struct {
backend *udev.Backend
}
var _ = Suite(&uDevSuite{})
// Tests for ReloadRules()
func (s *uDevSuite) SetUpTest(c *C) {
s.backend = &udev.Backend{}
c.Assert(s.backend.Initialize(nil), IsNil)
}
func (s *uDevSuite) TestReloadUDevRulesRunsUDevAdm(c *C) {
cmd := testutil.MockCommand(c, "udevadm", "")
defer cmd.Restore()
err := s.backend.ReloadRules(nil)
c.Assert(err, IsNil)
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
// FIXME: temporary until spec.TriggerSubsystem() can be
// called during disconnect
{"udevadm", "trigger", "--property-match=ID_INPUT_JOYSTICK=1"},
{"udevadm", "settle", "--timeout=10"},
})
}
func (s *uDevSuite) TestReloadUDevRulesReportsErrorsFromReloadRules(c *C) {
cmd := testutil.MockCommand(c, "udevadm", `
if [ "$1" = "control" ]; then
echo "failure 1"
exit 1
fi
`)
defer cmd.Restore()
err := s.backend.ReloadRules(nil)
c.Assert(err.Error(), Equals, ""+
"cannot reload udev rules: exit status 1\n"+
"udev output:\n"+
"failure 1\n")
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
})
}
func (s *uDevSuite) TestReloadUDevRulesReportsErrorsFromDefaultTrigger(c *C) {
cmd := testutil.MockCommand(c, "udevadm", `
if [ "$1" = "trigger" ]; then
echo "failure 2"
exit 2
fi
`)
defer cmd.Restore()
err := s.backend.ReloadRules(nil)
c.Assert(err.Error(), Equals, ""+
"cannot run udev triggers: exit status 2\n"+
"udev output:\n"+
"failure 2\n")
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
})
}
func (s *uDevSuite) TestReloadUDevRulesRunsUDevAdmWithSubsystem(c *C) {
cmd := testutil.MockCommand(c, "udevadm", "")
defer cmd.Restore()
err := s.backend.ReloadRules([]string{"input"})
c.Assert(err, IsNil)
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
{"udevadm", "trigger", "--subsystem-match=input"},
{"udevadm", "settle", "--timeout=10"},
})
}
func (s *uDevSuite) TestReloadUDevRulesReportsErrorsFromSubsystemTrigger(c *C) {
cmd := testutil.MockCommand(c, "udevadm", `
if [ "$2" = "--subsystem-match=input" ]; then
echo "failure 2"
exit 2
fi
`)
defer cmd.Restore()
err := s.backend.ReloadRules([]string{"input"})
c.Assert(err.Error(), Equals, ""+
"cannot run udev triggers for input subsystem: exit status 2\n"+
"udev output:\n"+
"failure 2\n")
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
{"udevadm", "trigger", "--subsystem-match=input"},
})
}
func (s *uDevSuite) TestReloadUDevRulesRunsUDevAdmWithJoystick(c *C) {
cmd := testutil.MockCommand(c, "udevadm", "")
defer cmd.Restore()
err := s.backend.ReloadRules([]string{"input/joystick"})
c.Assert(err, IsNil)
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
{"udevadm", "trigger", "--property-match=ID_INPUT_JOYSTICK=1"},
{"udevadm", "settle", "--timeout=10"},
})
}
func (s *uDevSuite) TestReloadUDevRulesReportsErrorsFromJoystickTrigger(c *C) {
cmd := testutil.MockCommand(c, "udevadm", `
if [ "$2" = "--property-match=ID_INPUT_JOYSTICK=1" ]; then
echo "failure 2"
exit 2
fi
`)
defer cmd.Restore()
err := s.backend.ReloadRules([]string{"input/joystick"})
c.Assert(err.Error(), Equals, ""+
"cannot run udev triggers for joysticks: exit status 2\n"+
"udev output:\n"+
"failure 2\n")
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
{"udevadm", "trigger", "--property-match=ID_INPUT_JOYSTICK=1"},
})
}
func (s *uDevSuite) TestReloadUDevRulesRunsUDevAdmWithTwoSubsystems(c *C) {
cmd := testutil.MockCommand(c, "udevadm", "")
defer cmd.Restore()
err := s.backend.ReloadRules([]string{"input", "tty"})
c.Assert(err, IsNil)
c.Assert(cmd.Calls(), DeepEquals, [][]string{
{"udevadm", "control", "--reload-rules"},
{"udevadm", "trigger", "--subsystem-nomatch=input"},
{"udevadm", "trigger", "--subsystem-match=input"},
{"udevadm", "trigger", "--subsystem-match=tty"},
{"udevadm", "settle", "--timeout=10"},
})
}
func (s *uDevSuite) TestNoReloadWhenPreseeding(c *C) {
cmd := testutil.MockCommand(c, "udevadm", "")
defer cmd.Restore()
b := udev.Backend{}
opts := &interfaces.SecurityBackendOptions{
Preseed: true,
}
c.Assert(b.Initialize(opts), IsNil)
c.Assert(b.ReloadRules(nil), IsNil)
c.Assert(cmd.Calls(), HasLen, 0)
}
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