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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 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 systemd_test
import (
"log/syslog"
"net"
"path"
. "gopkg.in/check.v1"
. "github.com/snapcore/snapd/systemd"
)
type journalTestSuite struct{}
var _ = Suite(&journalTestSuite{})
func (j *journalTestSuite) TestStreamFileErrorNoPath(c *C) {
restore := MockJournalStdoutPath(path.Join(c.MkDir(), "fake-journal"))
defer restore()
jout, err := NewJournalStreamFile("foobar", syslog.LOG_INFO, false)
c.Assert(err, ErrorMatches, ".*no such file or directory")
c.Assert(jout, IsNil)
}
func (j *journalTestSuite) TestStreamFileHeader(c *C) {
fakePath := path.Join(c.MkDir(), "fake-journal")
restore := MockJournalStdoutPath(fakePath)
defer restore()
listener, err := net.ListenUnix("unix", &net.UnixAddr{Name: fakePath})
c.Assert(err, IsNil)
defer listener.Close()
doneCh := make(chan struct{}, 1)
go func() {
defer func() { close(doneCh) }()
// see https://github.com/systemd/systemd/blob/97a33b126c845327a3a19d6e66f05684823868fb/src/journal/journal-send.c#L424
conn, err := listener.AcceptUnix()
c.Assert(err, IsNil)
defer conn.Close()
expectedHdrLen := len("foobar") + 1 + 1 + 2 + 2 + 2 + 2 + 2
hdrBuf := make([]byte, expectedHdrLen)
hdrLen, err := conn.Read(hdrBuf)
c.Assert(err, IsNil)
c.Assert(hdrLen, Equals, expectedHdrLen)
c.Check(hdrBuf, DeepEquals, []byte("foobar\n\n6\n0\n0\n0\n0\n"))
data := make([]byte, 4096)
sz, err := conn.Read(data)
c.Assert(err, IsNil)
c.Assert(sz > 0, Equals, true)
c.Check(data[0:sz], DeepEquals, []byte("hello from unit tests"))
doneCh <- struct{}{}
}()
jout, err := NewJournalStreamFile("foobar", syslog.LOG_INFO, false)
c.Assert(err, IsNil)
c.Assert(jout, NotNil)
_, err = jout.WriteString("hello from unit tests")
c.Assert(err, IsNil)
defer jout.Close()
<-doneCh
}
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