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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 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 patch_test
import (
"os"
"path/filepath"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/dirs"
"github.com/snapcore/snapd/overlord/patch"
"github.com/snapcore/snapd/overlord/snapstate"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
)
type patch2Suite struct{}
var _ = Suite(&patch2Suite{})
var statePatch2JSON = []byte(`
{
"data": {
"patch-level": 1,
"snaps": {
"foo": {
"sequence": [{
"name": "",
"revision": "x1"
}, {
"name": "",
"revision": "x2"
}],
"current": "x2"
},
"bar": {
"candidate": {
"name": "",
"revision": "x1",
"snapid": "mysnapid"
}
}
}
},
"changes": {
"1": {
"id": "1",
"kind": "some-change",
"summary": "summary-1",
"status": 0,
"task-ids": ["1"]
},
"2": {
"id": "2",
"kind": "some-other-change",
"summary": "summary-2",
"status": 0,
"task-ids": ["2"]
}
},
"tasks": {
"1": {
"id": "1",
"kind": "something",
"summary": "meep",
"status": 4,
"data": {
"snap-setup": {
"name": "foo",
"revision": "x3"
}
},
"halt-tasks": [
"7"
],
"change": "1"
},
"2": {
"id": "2",
"kind": "something-else",
"summary": "meep",
"status": 4,
"data": {
"snap-setup": {
"name": "bar",
"revision": "26"
}
},
"halt-tasks": [
"3"
],
"change": "2"
}
}
}
`)
func (s *patch2Suite) SetUpTest(c *C) {
dirs.SetRootDir(c.MkDir())
err := os.MkdirAll(filepath.Dir(dirs.SnapStateFile), 0755)
c.Assert(err, IsNil)
err = os.WriteFile(dirs.SnapStateFile, statePatch2JSON, 0644)
c.Assert(err, IsNil)
}
func (s *patch2Suite) TestPatch2(c *C) {
restorer := patch.MockLevel(2, 1)
defer restorer()
r, err := os.Open(dirs.SnapStateFile)
c.Assert(err, IsNil)
defer r.Close()
st, err := state.ReadState(nil, r)
c.Assert(err, IsNil)
// go from patch level 1 -> 2
err = patch.Apply(st)
c.Assert(err, IsNil)
st.Lock()
defer st.Unlock()
// our mocks are correct
c.Assert(st.Changes(), HasLen, 2)
c.Assert(st.Tasks(), HasLen, 2)
var snapsup snapstate.SnapSetup
// transition of:
// - SnapSetup.{Name,Revision} -> SnapSetup.SideInfo.{RealName,Revision}
t := st.Task("1")
err = t.Get("snap-setup", &snapsup)
c.Assert(err, IsNil)
c.Assert(snapsup.SideInfo, DeepEquals, &snap.SideInfo{
RealName: "foo",
Revision: snap.R("x3"),
})
// transition of:
// - SnapState.Sequence is backfilled with "RealName" (if missing)
var snapst snapstate.SnapState
err = snapstate.Get(st, "foo", &snapst)
c.Assert(err, IsNil)
c.Check(snapst.Sequence.Revisions[0].Snap.RealName, Equals, "foo")
c.Check(snapst.Sequence.Revisions[1].Snap.RealName, Equals, "foo")
// transition of:
// - Candidate for "bar" -> tasks SnapSetup.SideInfo
t = st.Task("2")
err = t.Get("snap-setup", &snapsup)
c.Assert(err, IsNil)
c.Assert(snapsup.SideInfo, DeepEquals, &snap.SideInfo{
RealName: "bar",
Revision: snap.R("x1"),
})
// FIXME: bar is now empty and should no longer be there?
err = snapstate.Get(st, "bar", &snapst)
c.Assert(err, IsNil)
}
|
