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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 (
"errors"
"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 patch1Suite struct{}
var _ = Suite(&patch1Suite{})
var statePatch1JSON = []byte(`
{
"data": {
"patch-level": 0,
"snaps": {
"foo": {
"sequence": [{
"name": "foo1",
"revision": "2"
}, {
"name": "foo1",
"revision": "22"
}]
},
"core": {
"sequence": [{
"name": "core",
"revision": "1"
}, {
"name": "core",
"revision": "11"
}, {
"name": "core",
"revision": "111"
}]
},
"borken": {
"sequence": [{
"name": "borken",
"revision": "x1"
}, {
"name": "borken",
"revision": "x2"
}]
},
"wip": {
"candidate": {
"name": "wip",
"revision": "11"
}
}
}
}
}
`)
func (s *patch1Suite) SetUpTest(c *C) {
dirs.SetRootDir(c.MkDir())
err := os.MkdirAll(filepath.Dir(dirs.SnapStateFile), 0755)
c.Assert(err, IsNil)
err = os.WriteFile(dirs.SnapStateFile, statePatch1JSON, 0644)
c.Assert(err, IsNil)
}
func (s *patch1Suite) TestPatch1(c *C) {
restore := patch.MockPatch1ReadType(s.readType)
defer restore()
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 0 to patch-level 1
restorer := patch.MockLevel(1, 1)
defer restorer()
err = patch.Apply(st)
c.Assert(err, IsNil)
st.Lock()
defer st.Unlock()
expected := []struct {
name string
typ snap.Type
cur snap.Revision
}{
{"foo", snap.TypeApp, snap.R(22)},
{"core", snap.TypeOS, snap.R(111)},
{"borken", snap.TypeApp, snap.R(-2)},
{"wip", "", snap.R(0)},
}
for _, exp := range expected {
var snapst snapstate.SnapState
err := snapstate.Get(st, exp.name, &snapst)
c.Assert(err, IsNil)
c.Check(snap.Type(snapst.SnapType), Equals, exp.typ)
c.Check(snapst.Current, Equals, exp.cur)
}
// ensure we only moved forward to patch-level 1
var patchLevel int
err = st.Get("patch-level", &patchLevel)
c.Assert(err, IsNil)
c.Assert(patchLevel, Equals, 1)
}
func (s *patch1Suite) readType(name string, rev snap.Revision) (snap.Type, error) {
if name == "borken" {
return snap.TypeApp, errors.New(`cannot read info for "borken" snap`)
}
// naive emulation for now, always works
if name == "gadget" {
return snap.TypeGadget, nil
}
if name == "core" {
return snap.TypeOS, nil
}
return snap.TypeApp, nil
}
|
