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29c9752d66
Replace ioutil.WriteFile with os.WriteFile since the former has been deprecated since go1.16 and simply calls the latter. Signed-off-by: Miguel Pires <miguel.pires@canonical.com>
158 lines
3.3 KiB
Go
158 lines
3.3 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2016 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package patch_test
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import (
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"errors"
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"os"
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"path/filepath"
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. "gopkg.in/check.v1"
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"github.com/snapcore/snapd/dirs"
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"github.com/snapcore/snapd/overlord/patch"
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"github.com/snapcore/snapd/overlord/snapstate"
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"github.com/snapcore/snapd/overlord/state"
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"github.com/snapcore/snapd/snap"
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)
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type patch1Suite struct{}
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var _ = Suite(&patch1Suite{})
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var statePatch1JSON = []byte(`
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{
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"data": {
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"patch-level": 0,
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"snaps": {
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"foo": {
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"sequence": [{
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"name": "foo1",
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"revision": "2"
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}, {
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"name": "foo1",
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"revision": "22"
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}]
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},
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"core": {
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"sequence": [{
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"name": "core",
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"revision": "1"
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}, {
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"name": "core",
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"revision": "11"
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}, {
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"name": "core",
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"revision": "111"
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}]
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},
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"borken": {
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"sequence": [{
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"name": "borken",
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"revision": "x1"
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}, {
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"name": "borken",
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"revision": "x2"
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}]
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},
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"wip": {
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"candidate": {
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"name": "wip",
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"revision": "11"
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}
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}
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}
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}
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}
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`)
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func (s *patch1Suite) SetUpTest(c *C) {
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dirs.SetRootDir(c.MkDir())
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err := os.MkdirAll(filepath.Dir(dirs.SnapStateFile), 0755)
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c.Assert(err, IsNil)
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err = os.WriteFile(dirs.SnapStateFile, statePatch1JSON, 0644)
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c.Assert(err, IsNil)
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}
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func (s *patch1Suite) TestPatch1(c *C) {
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restore := patch.MockPatch1ReadType(s.readType)
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defer restore()
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r, err := os.Open(dirs.SnapStateFile)
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c.Assert(err, IsNil)
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defer r.Close()
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st, err := state.ReadState(nil, r)
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c.Assert(err, IsNil)
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// go from patch-level 0 to patch-level 1
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restorer := patch.MockLevel(1, 1)
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defer restorer()
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err = patch.Apply(st)
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c.Assert(err, IsNil)
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st.Lock()
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defer st.Unlock()
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expected := []struct {
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name string
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typ snap.Type
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cur snap.Revision
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}{
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{"foo", snap.TypeApp, snap.R(22)},
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{"core", snap.TypeOS, snap.R(111)},
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{"borken", snap.TypeApp, snap.R(-2)},
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{"wip", "", snap.R(0)},
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}
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for _, exp := range expected {
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var snapst snapstate.SnapState
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err := snapstate.Get(st, exp.name, &snapst)
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c.Assert(err, IsNil)
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c.Check(snap.Type(snapst.SnapType), Equals, exp.typ)
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c.Check(snapst.Current, Equals, exp.cur)
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}
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// ensure we only moved forward to patch-level 1
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var patchLevel int
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err = st.Get("patch-level", &patchLevel)
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c.Assert(err, IsNil)
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c.Assert(patchLevel, Equals, 1)
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}
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func (s *patch1Suite) readType(name string, rev snap.Revision) (snap.Type, error) {
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if name == "borken" {
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return snap.TypeApp, errors.New(`cannot read info for "borken" snap`)
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}
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// naive emulation for now, always works
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if name == "gadget" {
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return snap.TypeGadget, nil
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}
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if name == "core" {
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return snap.TypeOS, nil
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}
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return snap.TypeApp, nil
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}
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