func (s *StoreSuite) TestPublishErrorFromBzr(c *gc.C) {
branch := s.dummyBranch(c, "")
// In TestPublish we ensure that the streams are parsed
// separately by inserting garbage on stderr. Now make
// sure that stderr isn't simply trashed, as we want to
// know about what a real error tells us.
plugin := fakePlugin{}
plugin.install(c.MkDir(), `import sys; sys.stderr.write("STDERR STUFF FROM TEST\n"); sys.exit(1)`)
defer plugin.uninstall()
err := store.PublishBazaarBranch(s.store, urls, branch.path(), "wrong-rev")
c.Assert(err, gc.ErrorMatches, "(?s).*STDERR STUFF.*")
}
func (s *StoreSuite) TestPublishErrorInCharm(c *gc.C) {
branch := s.dummyBranch(c, "")
// Corrupt the charm.
branch.remove("metadata.yaml")
branch.commit("Removed metadata.yaml.")
// Attempt to publish the erroneous content.
err := store.PublishBazaarBranch(s.store, urls, branch.path(), "wrong-rev")
c.Assert(err, gc.ErrorMatches, ".*/metadata.yaml: no such file or directory")
// The event should be logged as well, since this was an error in the charm
// that won't go away and must be communicated to the author.
event, err := s.store.CharmEvent(urls[0], branch.digest())
c.Assert(err, gc.IsNil)
c.Assert(event.Kind, gc.Equals, store.EventPublishError)
c.Assert(event.Revision, gc.Equals, 0)
c.Assert(event.Errors, gc.NotNil)
c.Assert(event.Errors[0], gc.Matches, ".*/metadata.yaml: no such file or directory")
c.Assert(event.Warnings, gc.IsNil)
}
func (s *StoreSuite) TestPublish(c *gc.C) {
branch := s.dummyBranch(c, "")
// Ensure that the streams are parsed separately by inserting
// garbage on stderr. The wanted information is still there.
plugin := fakePlugin{}
plugin.install(c.MkDir(), `import sys; sys.stderr.write("STDERR STUFF FROM TEST\n")`)
defer plugin.uninstall()
err := store.PublishBazaarBranch(s.store, urls, branch.path(), "wrong-rev")
c.Assert(err, gc.IsNil)
for _, url := range urls {
info, rc, err := s.store.OpenCharm(url)
c.Assert(err, gc.IsNil)
defer rc.Close()
c.Assert(info.Revision(), gc.Equals, 0)
c.Assert(info.Meta().Name, gc.Equals, "dummy")
data, err := ioutil.ReadAll(rc)
c.Assert(err, gc.IsNil)
bundle, err := charm.ReadBundleBytes(data)
c.Assert(err, gc.IsNil)
c.Assert(bundle.Revision(), gc.Equals, 0)
c.Assert(bundle.Meta().Name, gc.Equals, "dummy")
}
// Attempt to publish the same content again while providing the wrong
// tip revision. It must pick the real revision from the branch and
// note this was previously published.
err = store.PublishBazaarBranch(s.store, urls, branch.path(), "wrong-rev")
c.Assert(err, gc.Equals, store.ErrRedundantUpdate)
// Bump the content revision and lie again about the known tip revision.
// This time, though, pretend it's the same as the real branch revision
// previously published. It must error and not publish the new revision
// because it will use the revision provided as a parameter to check if
// publishing was attempted before. This is the mechanism that enables
// stopping fast without having to download every single branch. Real
// revision is picked in the next scan.
digest1 := branch.digest()
branch.change()
err = store.PublishBazaarBranch(s.store, urls, branch.path(), digest1)
c.Assert(err, gc.Equals, store.ErrRedundantUpdate)
// Now allow it to publish the new content by providing an unseen revision.
err = store.PublishBazaarBranch(s.store, urls, branch.path(), "wrong-rev")
c.Assert(err, gc.IsNil)
digest2 := branch.digest()
info, err := s.store.CharmInfo(urls[0])
c.Assert(err, gc.IsNil)
c.Assert(info.Revision(), gc.Equals, 1)
c.Assert(info.Meta().Name, gc.Equals, "dummy")
// There are two events published, for each of the successful attempts.
// The failures are ignored given that they are artifacts of the
// publishing mechanism rather than actual problems.
_, err = s.store.CharmEvent(urls[0], "wrong-rev")
c.Assert(err, gc.Equals, store.ErrNotFound)
for i, digest := range []string{digest1, digest2} {
event, err := s.store.CharmEvent(urls[0], digest)
c.Assert(err, gc.IsNil)
c.Assert(event.Kind, gc.Equals, store.EventPublished)
c.Assert(event.Revision, gc.Equals, i)
c.Assert(event.Errors, gc.IsNil)
c.Assert(event.Warnings, gc.IsNil)
}
}