Files
snapd/systemd/sdnotify_test.go
2017-06-07 14:52:46 +02:00

88 lines
2.1 KiB
Go

// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2014-2015 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 systemd_test
import (
"net"
"os"
"path/filepath"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/systemd"
)
type sdNotifyTestSuite struct{}
var _ = Suite(&sdNotifyTestSuite{})
func (sd *sdNotifyTestSuite) TestSdNotifyMissingNotifyState(c *C) {
c.Check(systemd.SdNotify(""), ErrorMatches, "cannot use empty notify state")
}
func (sd *sdNotifyTestSuite) TestSdNotifyWrongNotifySocket(c *C) {
for _, t := range []struct {
env string
errStr string
}{
{"", "cannot find NOTIFY_SOCKET environment"},
{"xxx", `cannot use NOTIFY_SOCKET "xxx"`},
} {
os.Setenv("NOTIFY_SOCKET", t.env)
defer os.Unsetenv("NOTIFY_SOCKET")
c.Check(systemd.SdNotify("something"), ErrorMatches, t.errStr)
}
}
func (sd *sdNotifyTestSuite) TestSdNotifyIntegration(c *C) {
fakeEnv := map[string]string{}
restore := systemd.MockOsGetenv(func(k string) string {
return fakeEnv[k]
})
defer restore()
for _, sockPath := range []string{
filepath.Join(c.MkDir(), "socket"),
"@socket",
} {
fakeEnv["NOTIFY_SOCKET"] = sockPath
conn, err := net.ListenUnixgram("unixgram", &net.UnixAddr{
Name: sockPath,
Net: "unixgram",
})
c.Assert(err, IsNil)
defer conn.Close()
ch := make(chan string)
go func() {
var buf [128]byte
n, err := conn.Read(buf[:])
c.Assert(err, IsNil)
ch <- string(buf[:n])
}()
err = systemd.SdNotify("something")
c.Assert(err, IsNil)
c.Check(<-ch, Equals, "something")
}
}