func (s *VolumeStateSuite) TestParseVolumeAttachmentIdError(c *gc.C) {
assertError := func(id, expect string) {
_, _, err := state.ParseVolumeAttachmentId(id)
c.Assert(err, gc.ErrorMatches, expect)
}
assertError("", `invalid volume attachment ID ""`)
assertError("0", `invalid volume attachment ID "0"`)
assertError("0:foo", `invalid volume attachment ID "0:foo"`)
assertError("bar:0", `invalid volume attachment ID "bar:0"`)
}
func (s *VolumeStateSuite) TestParseVolumeAttachmentId(c *gc.C) {
assertValid := func(id string, m names.MachineTag, v names.VolumeTag) {
machineTag, volumeTag, err := state.ParseVolumeAttachmentId(id)
c.Assert(err, jc.ErrorIsNil)
c.Assert(machineTag, gc.Equals, m)
c.Assert(volumeTag, gc.Equals, v)
}
assertValid("0:0", names.NewMachineTag("0"), names.NewVolumeTag("0"))
assertValid("0:0/1", names.NewMachineTag("0"), names.NewVolumeTag("0/1"))
assertValid("0/lxc/0:1", names.NewMachineTag("0/lxc/0"), names.NewVolumeTag("1"))
}
// ParseVolumeAttachmentIds parses the strings, returning machine storage IDs.
func ParseVolumeAttachmentIds(stringIds []string) ([]params.MachineStorageId, error) {
ids := make([]params.MachineStorageId, len(stringIds))
for i, s := range stringIds {
m, v, err := state.ParseVolumeAttachmentId(s)
if err != nil {
return nil, err
}
ids[i] = params.MachineStorageId{
MachineTag: m.String(),
AttachmentTag: v.String(),
}
}
return ids, nil
}