func (s *volumeSuite) TestListVolumeAttachmentsEmpty(c *gc.C) {
s.state.allVolumes =
func() ([]state.Volume, error) {
return nil, nil
}
items, err := storage.ListVolumeAttachments(s.api)
c.Assert(err, jc.ErrorIsNil)
c.Assert(items, gc.IsNil)
}
func (s *volumeSuite) TestListVolumeAttachmentsError(c *gc.C) {
msg := "inventing error"
s.state.allVolumes =
func() ([]state.Volume, error) {
return nil, errors.New(msg)
}
items, err := storage.ListVolumeAttachments(s.api)
c.Assert(errors.Cause(err), gc.ErrorMatches, msg)
c.Assert(items, gc.IsNil)
}
func (s *volumeSuite) TestListVolumeAttachments(c *gc.C) {
expectedVolume, err := storage.ConvertStateVolumeToParams(s.api, s.volume)
c.Assert(err, jc.ErrorIsNil)
expected := params.VolumeItem{
Volume: expectedVolume,
Attachments: storage.ConvertStateVolumeAttachmentsToParams(
[]state.VolumeAttachment{s.volumeAttachment},
),
}
items, err := storage.ListVolumeAttachments(s.api)
c.Assert(err, jc.ErrorIsNil)
c.Assert(items, gc.HasLen, 1)
c.Assert(items[0], gc.DeepEquals, expected)
}