// SetCharm adds and removes charms in s. The affected charm is identified by
// charmURL, which must be revisioned. If bundle is nil, the charm will be
// removed; otherwise, it will be stored. It is an error to store a bundle
// under a charmURL that does not share its name and revision.
func (s *MockCharmStore) SetCharm(charmURL *charm.URL, bundle *charm.Bundle) error {
base := charmURL.WithRevision(-1).String()
if charmURL.Revision < 0 {
return fmt.Errorf("bad charm url revision")
}
if bundle == nil {
delete(s.charms[base], charmURL.Revision)
return nil
}
bundleRev := bundle.Revision()
bundleName := bundle.Meta().Name
if bundleName != charmURL.Name || bundleRev != charmURL.Revision {
return fmt.Errorf("charm url %s mismatch with bundle %s-%d", charmURL, bundleName, bundleRev)
}
if _, found := s.charms[base]; !found {
s.charms[base] = map[int]*charm.Bundle{}
}
s.charms[base][charmURL.Revision] = bundle
return nil
}
func assertCharm(c *C, bun *corecharm.Bundle, sch *state.Charm) {
c.Assert(bun.Revision(), Equals, sch.Revision())
c.Assert(bun.Meta(), DeepEquals, sch.Meta())
c.Assert(bun.Config(), DeepEquals, sch.Config())
}