func (s *snapmgrTestSuite) TestRemoveConflict(c *C) {
s.state.Lock()
defer s.state.Unlock()
snapstate.Set(s.state, "some-snap", &snapstate.SnapState{
Active: true,
Sequence: []*snap.SideInfo{{OfficialName: "some-snap"}},
})
_, err := snapstate.Remove(s.state, "some-snap", 0)
c.Assert(err, IsNil)
_, err = snapstate.Remove(s.state, "some-snap", 0)
c.Assert(err, ErrorMatches, `snap "some-snap" has changes in progress`)
}
func (s *snapmgrTestSuite) TestRemoveLast(c *C) {
s.state.Lock()
defer s.state.Unlock()
snapstate.Set(s.state, "foo", &snapstate.SnapState{
Active: true,
Sequence: []*snap.SideInfo{{OfficialName: "foo"}},
})
ts, err := snapstate.Remove(s.state, "foo", 0)
c.Assert(err, IsNil)
i := 0
c.Assert(ts.Tasks(), HasLen, 5)
// all tasks are accounted
c.Assert(s.state.Tasks(), HasLen, 5)
c.Assert(ts.Tasks()[i].Kind(), Equals, "unlink-snap")
i++
c.Assert(ts.Tasks()[i].Kind(), Equals, "remove-profiles")
i++
c.Assert(ts.Tasks()[i].Kind(), Equals, "clear-snap")
i++
c.Assert(ts.Tasks()[i].Kind(), Equals, "discard-snap")
i++
c.Assert(ts.Tasks()[i].Kind(), Equals, "discard-conns")
}
func (inst *snapInstruction) remove() (*state.Change, error) {
flags := snappy.DoRemoveGC
if inst.LeaveOld {
flags = 0
}
state := inst.overlord.State()
state.Lock()
msg := fmt.Sprintf(i18n.G("Remove %q snap"), inst.pkg)
chg := state.NewChange("remove-snap", msg)
ts, err := snapstate.Remove(state, inst.pkg, flags)
if err == nil {
chg.AddAll(ts)
}
state.Unlock()
if err != nil {
return nil, err
}
state.EnsureBefore(0)
return chg, nil
}
func (s *snapmgrTestSuite) TestRemoveIntegration(c *C) {
si := snap.SideInfo{
OfficialName: "some-snap",
Revision: 7,
}
s.state.Lock()
defer s.state.Unlock()
snapstate.Set(s.state, "some-snap", &snapstate.SnapState{
Active: true,
Sequence: []*snap.SideInfo{&si},
})
chg := s.state.NewChange("remove", "remove a snap")
ts, err := snapstate.Remove(s.state, "some-snap", 0)
c.Assert(err, IsNil)
chg.AddAll(ts)
s.state.Unlock()
defer s.snapmgr.Stop()
s.settle()
s.state.Lock()
c.Assert(s.fakeBackend.ops, HasLen, 4)
expected := []fakeOp{
fakeOp{
op: "can-remove",
name: "/snap/some-snap/7",
active: true,
},
fakeOp{
op: "unlink-snap",
name: "/snap/some-snap/7",
},
fakeOp{
op: "remove-snap-data",
name: "/snap/some-snap/7",
},
fakeOp{
op: "remove-snap-files",
name: "/snap/some-snap/7",
},
}
c.Assert(s.fakeBackend.ops, DeepEquals, expected)
// verify snapSetup info
tasks := ts.Tasks()
// snap-setup is in discard-snap above discard-conns.
task := tasks[len(tasks)-2]
var ss snapstate.SnapSetup
err = task.Get("snap-setup", &ss)
c.Assert(err, IsNil)
c.Assert(ss, DeepEquals, snapstate.SnapSetup{
Name: "some-snap",
Revision: 7,
})
// verify snaps in the system state
var snapst snapstate.SnapState
err = snapstate.Get(s.state, "some-snap", &snapst)
c.Assert(err, Equals, state.ErrNoState)
}