func snapRemove(inst *snapInstruction, st *state.State) (string, []*state.TaskSet, error) {
ts, err := snapstate.Remove(st, inst.Snaps[0], inst.Revision)
if err != nil {
return "", nil, err
}
msg := fmt.Sprintf(i18n.G("Remove %q snap"), inst.Snaps[0])
return msg, []*state.TaskSet{ts}, nil
}
func (ms *mgrsSuite) removeSnap(c *C, name string) {
st := ms.o.State()
ts, err := snapstate.Remove(st, name, snap.R(0))
c.Assert(err, IsNil)
chg := st.NewChange("remove-snap", "...")
chg.AddAll(ts)
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Err(), IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("remove-snap change failed with: %v", chg.Err()))
}
func (ms *mgrsSuite) TestHappyRemove(c *C) {
st := ms.o.State()
st.Lock()
defer st.Unlock()
snapYamlContent := `name: foo
apps:
bar:
command: bin/bar
`
snapInfo := ms.installLocalTestSnap(c, snapYamlContent+"version: 1.0")
ts, err := snapstate.Remove(st, "foo", snap.R(0))
c.Assert(err, IsNil)
chg := st.NewChange("remove-snap", "...")
chg.AddAll(ts)
st.Unlock()
err = ms.o.Settle()
st.Lock()
c.Assert(err, IsNil)
c.Assert(chg.Status(), Equals, state.DoneStatus, Commentf("remove-snap change failed with: %v", chg.Err()))
// ensure that the binary wrapper file got removed
binaryWrapper := filepath.Join(dirs.SnapBinariesDir, "foo.bar")
c.Assert(osutil.FileExists(binaryWrapper), Equals, false)
// data dirs
c.Assert(osutil.FileExists(snapInfo.DataDir()), Equals, false)
c.Assert(osutil.FileExists(snapInfo.CommonDataDir()), Equals, false)
// snap file and its mount
c.Assert(osutil.FileExists(filepath.Join(dirs.SnapBlobDir, "foo_x1.snap")), Equals, false)
mup := systemd.MountUnitPath("/snap/foo/x1")
c.Assert(osutil.FileExists(mup), Equals, false)
}