forked from juju/charm
/
repo_test.go
522 lines (455 loc) · 17.7 KB
/
repo_test.go
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// Copyright 2012, 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package charm_test
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/juju/charm"
charmtesting "github.com/juju/charm/testing"
gitjujutesting "github.com/juju/testing"
gc "launchpad.net/gocheck"
)
type StoreSuite struct {
gitjujutesting.FakeHomeSuite
server *charmtesting.MockStore
store *charm.CharmStore
}
var _ = gc.Suite(&StoreSuite{})
func (s *StoreSuite) SetUpSuite(c *gc.C) {
s.FakeHomeSuite.SetUpSuite(c)
s.server = charmtesting.NewMockStore(c, map[string]int{
"cs:series/good": 23,
"cs:series/unwise": 23,
"cs:series/better": 24,
"cs:series/best": 25,
})
}
func (s *StoreSuite) SetUpTest(c *gc.C) {
s.FakeHomeSuite.SetUpTest(c)
s.PatchValue(&charm.CacheDir, c.MkDir())
s.store = charm.NewStore(s.server.Address())
s.server.Downloads = nil
s.server.Authorizations = nil
s.server.Metadata = nil
s.server.DownloadsNoStats = nil
s.server.InfoRequestCount = 0
s.server.InfoRequestCountNoStats = 0
}
func (s *StoreSuite) TearDownSuite(c *gc.C) {
s.server.Close()
s.FakeHomeSuite.TearDownSuite(c)
}
func (s *StoreSuite) TestMissing(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/missing")
expect := `charm not found: cs:series/missing`
_, err := charm.Latest(s.store, charmURL)
c.Assert(err, gc.ErrorMatches, expect)
_, err = s.store.Get(charmURL)
c.Assert(err, gc.ErrorMatches, expect)
}
func (s *StoreSuite) TestError(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/borken")
expect := `charm info errors for "cs:series/borken": badness`
_, err := charm.Latest(s.store, charmURL)
c.Assert(err, gc.ErrorMatches, expect)
_, err = s.store.Get(charmURL)
c.Assert(err, gc.ErrorMatches, expect)
}
func (s *StoreSuite) TestWarning(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/unwise")
expect := `.* WARNING juju.charm charm store reports for "cs:series/unwise": foolishness` + "\n"
r, err := charm.Latest(s.store, charmURL)
c.Assert(r, gc.Equals, 23)
c.Assert(err, gc.IsNil)
c.Assert(c.GetTestLog(), gc.Matches, expect)
ch, err := s.store.Get(charmURL)
c.Assert(ch, gc.NotNil)
c.Assert(err, gc.IsNil)
c.Assert(c.GetTestLog(), gc.Matches, expect+expect)
}
func (s *StoreSuite) TestLatest(c *gc.C) {
urls := []*charm.URL{
charm.MustParseURL("cs:series/good"),
charm.MustParseURL("cs:series/good-2"),
charm.MustParseURL("cs:series/good-99"),
}
revInfo, err := s.store.Latest(urls...)
c.Assert(err, gc.IsNil)
c.Assert(revInfo, gc.DeepEquals, []charm.CharmRevision{
{23, "c89d9b522cebbd68061048ed2910180e1b63b6afaa373d1fe1c47ff9970be126", nil},
{23, "c89d9b522cebbd68061048ed2910180e1b63b6afaa373d1fe1c47ff9970be126", nil},
{23, "c89d9b522cebbd68061048ed2910180e1b63b6afaa373d1fe1c47ff9970be126", nil},
})
}
func (s *StoreSuite) assertCached(c *gc.C, charmURL *charm.URL) {
s.server.Downloads = nil
ch, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.IsNil)
}
func (s *StoreSuite) TestGetCacheImplicitRevision(c *gc.C) {
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
revCharmURL := charm.MustParseURL(base + "-23")
ch, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.DeepEquals, []*charm.URL{revCharmURL})
s.assertCached(c, charmURL)
s.assertCached(c, revCharmURL)
}
func (s *StoreSuite) TestGetCacheExplicitRevision(c *gc.C) {
base := "cs:series/good-12"
charmURL := charm.MustParseURL(base)
ch, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.DeepEquals, []*charm.URL{charmURL})
s.assertCached(c, charmURL)
}
func (s *StoreSuite) TestGetBadCache(c *gc.C) {
c.Assert(os.Mkdir(filepath.Join(charm.CacheDir, "cache"), 0777), gc.IsNil)
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
revCharmURL := charm.MustParseURL(base + "-23")
name := charm.Quote(revCharmURL.String()) + ".charm"
err := ioutil.WriteFile(filepath.Join(charm.CacheDir, "cache", name), nil, 0666)
c.Assert(err, gc.IsNil)
ch, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.DeepEquals, []*charm.URL{revCharmURL})
s.assertCached(c, charmURL)
s.assertCached(c, revCharmURL)
}
func (s *StoreSuite) TestGetTestModeFlag(c *gc.C) {
base := "cs:series/good-12"
charmURL := charm.MustParseURL(base)
ch, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.DeepEquals, []*charm.URL{charmURL})
c.Assert(s.server.DownloadsNoStats, gc.IsNil)
c.Assert(s.server.InfoRequestCount, gc.Equals, 1)
c.Assert(s.server.InfoRequestCountNoStats, gc.Equals, 0)
storeInTestMode := s.store.WithTestMode(true)
other := "cs:series/good-23"
otherURL := charm.MustParseURL(other)
ch, err = storeInTestMode.Get(otherURL)
c.Assert(err, gc.IsNil)
c.Assert(ch, gc.NotNil)
c.Assert(s.server.Downloads, gc.DeepEquals, []*charm.URL{charmURL})
c.Assert(s.server.DownloadsNoStats, gc.DeepEquals, []*charm.URL{otherURL})
c.Assert(s.server.InfoRequestCount, gc.Equals, 1)
c.Assert(s.server.InfoRequestCountNoStats, gc.Equals, 1)
}
// The following tests cover the low-level CharmStore-specific API.
func (s *StoreSuite) TestInfo(c *gc.C) {
charmURLs := []charm.Location{
charm.MustParseURL("cs:series/good"),
charm.MustParseURL("cs:series/better"),
charm.MustParseURL("cs:series/best"),
}
infos, err := s.store.Info(charmURLs...)
c.Assert(err, gc.IsNil)
c.Assert(infos, gc.HasLen, 3)
expected := []int{23, 24, 25}
for i, info := range infos {
c.Assert(info.Errors, gc.IsNil)
c.Assert(info.Revision, gc.Equals, expected[i])
}
}
func (s *StoreSuite) TestInfoNotFound(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/missing")
info, err := s.store.Info(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(info, gc.HasLen, 1)
c.Assert(info[0].Errors, gc.HasLen, 1)
c.Assert(info[0].Errors[0], gc.Matches, `charm not found: cs:series/missing`)
}
func (s *StoreSuite) TestInfoError(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/borken")
info, err := s.store.Info(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(info, gc.HasLen, 1)
c.Assert(info[0].Errors, gc.DeepEquals, []string{"badness"})
}
func (s *StoreSuite) TestInfoWarning(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/unwise")
info, err := s.store.Info(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(info, gc.HasLen, 1)
c.Assert(info[0].Warnings, gc.DeepEquals, []string{"foolishness"})
}
func (s *StoreSuite) TestInfoTestModeFlag(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/good")
_, err := s.store.Info(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.InfoRequestCount, gc.Equals, 1)
c.Assert(s.server.InfoRequestCountNoStats, gc.Equals, 0)
storeInTestMode, ok := s.store.WithTestMode(true).(*charm.CharmStore)
c.Assert(ok, gc.Equals, true)
_, err = storeInTestMode.Info(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.InfoRequestCount, gc.Equals, 1)
c.Assert(s.server.InfoRequestCountNoStats, gc.Equals, 1)
}
func (s *StoreSuite) TestInfoDNSError(c *gc.C) {
store := charm.NewStore("http://127.1.2.3")
charmURL := charm.MustParseURL("cs:series/good")
resp, err := store.Info(charmURL)
c.Assert(resp, gc.IsNil)
expect := `Cannot access the charm store. .*`
c.Assert(err, gc.ErrorMatches, expect)
}
func (s *StoreSuite) TestEvent(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/good")
event, err := s.store.Event(charmURL, "")
c.Assert(err, gc.IsNil)
c.Assert(event.Errors, gc.IsNil)
c.Assert(event.Revision, gc.Equals, 23)
c.Assert(event.Digest, gc.Equals, "the-digest")
}
func (s *StoreSuite) TestEventWithDigest(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/good")
event, err := s.store.Event(charmURL, "the-digest")
c.Assert(err, gc.IsNil)
c.Assert(event.Errors, gc.IsNil)
c.Assert(event.Revision, gc.Equals, 23)
c.Assert(event.Digest, gc.Equals, "the-digest")
}
func (s *StoreSuite) TestEventNotFound(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/missing")
event, err := s.store.Event(charmURL, "")
c.Assert(err, gc.ErrorMatches, `charm event not found for "cs:series/missing"`)
c.Assert(event, gc.IsNil)
}
func (s *StoreSuite) TestEventNotFoundDigest(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/good")
event, err := s.store.Event(charmURL, "missing-digest")
c.Assert(err, gc.ErrorMatches, `charm event not found for "cs:series/good" with digest "missing-digest"`)
c.Assert(event, gc.IsNil)
}
func (s *StoreSuite) TestEventError(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/borken")
event, err := s.store.Event(charmURL, "")
c.Assert(err, gc.IsNil)
c.Assert(event.Errors, gc.DeepEquals, []string{"badness"})
}
func (s *StoreSuite) TestAuthorization(c *gc.C) {
store := s.store.WithAuthAttrs("token=value")
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
_, err := store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.Authorizations, gc.HasLen, 1)
c.Assert(s.server.Authorizations[0], gc.Equals, "charmstore token=value")
}
func (s *StoreSuite) TestNilAuthorization(c *gc.C) {
store := s.store.WithAuthAttrs("")
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
_, err := store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.Authorizations, gc.HasLen, 0)
}
func (s *StoreSuite) TestMetadata(c *gc.C) {
store := s.store.WithJujuAttrs("juju-metadata")
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
_, err := store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.Metadata, gc.HasLen, 1)
c.Assert(s.server.Metadata[0], gc.Equals, "juju-metadata")
}
func (s *StoreSuite) TestNilMetadata(c *gc.C) {
base := "cs:series/good"
charmURL := charm.MustParseURL(base)
_, err := s.store.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(s.server.Metadata, gc.HasLen, 0)
}
func (s *StoreSuite) TestEventWarning(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/unwise")
event, err := s.store.Event(charmURL, "")
c.Assert(err, gc.IsNil)
c.Assert(event.Warnings, gc.DeepEquals, []string{"foolishness"})
}
func (s *StoreSuite) TestBranchLocation(c *gc.C) {
charmURL := charm.MustParseURL("cs:series/name")
location := s.store.BranchLocation(charmURL)
c.Assert(location, gc.Equals, "lp:charms/series/name")
charmURL = charm.MustParseURL("cs:~user/series/name")
location = s.store.BranchLocation(charmURL)
c.Assert(location, gc.Equals, "lp:~user/charms/series/name/trunk")
}
func (s *StoreSuite) TestCharmURL(c *gc.C) {
tests := []struct{ url, loc string }{
{"cs:precise/wordpress", "lp:charms/precise/wordpress"},
{"cs:precise/wordpress", "http://launchpad.net/+branch/charms/precise/wordpress"},
{"cs:precise/wordpress", "https://launchpad.net/+branch/charms/precise/wordpress"},
{"cs:precise/wordpress", "http://code.launchpad.net/+branch/charms/precise/wordpress"},
{"cs:precise/wordpress", "https://code.launchpad.net/+branch/charms/precise/wordpress"},
{"cs:precise/wordpress", "bzr+ssh://bazaar.launchpad.net/+branch/charms/precise/wordpress"},
{"cs:~charmers/precise/wordpress", "lp:~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "http://launchpad.net/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "https://launchpad.net/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "http://code.launchpad.net/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "https://code.launchpad.net/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "http://launchpad.net/+branch/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "https://launchpad.net/+branch/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "http://code.launchpad.net/+branch/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "https://code.launchpad.net/+branch/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "bzr+ssh://bazaar.launchpad.net/~charmers/charms/precise/wordpress/trunk"},
{"cs:~charmers/precise/wordpress", "bzr+ssh://bazaar.launchpad.net/~charmers/charms/precise/wordpress/trunk/"},
{"cs:~charmers/precise/wordpress", "~charmers/charms/precise/wordpress/trunk"},
{"", "lp:~charmers/charms/precise/wordpress/whatever"},
{"", "lp:~charmers/whatever/precise/wordpress/trunk"},
{"", "lp:whatever/precise/wordpress"},
}
for _, t := range tests {
charmURL, err := s.store.CharmURL(t.loc)
if t.url == "" {
c.Assert(err, gc.ErrorMatches, fmt.Sprintf("unknown branch location: %q", t.loc))
} else {
c.Assert(err, gc.IsNil)
c.Assert(charmURL.String(), gc.Equals, t.url)
}
}
}
type LocalRepoSuite struct {
gitjujutesting.FakeHomeSuite
repo *charm.LocalRepository
seriesPath string
}
var _ = gc.Suite(&LocalRepoSuite{})
func (s *LocalRepoSuite) SetUpTest(c *gc.C) {
s.FakeHomeSuite.SetUpTest(c)
root := c.MkDir()
s.repo = &charm.LocalRepository{Path: root}
s.seriesPath = filepath.Join(root, "quantal")
c.Assert(os.Mkdir(s.seriesPath, 0777), gc.IsNil)
}
func (s *LocalRepoSuite) addBundle(name string) string {
return charmtesting.Charms.BundlePath(s.seriesPath, name)
}
func (s *LocalRepoSuite) addDir(name string) string {
return charmtesting.Charms.ClonedDirPath(s.seriesPath, name)
}
func (s *LocalRepoSuite) checkNotFoundErr(c *gc.C, err error, charmURL *charm.URL) {
expect := `charm not found in "` + s.repo.Path + `": ` + charmURL.String()
c.Check(err, gc.ErrorMatches, expect)
}
func (s *LocalRepoSuite) TestMissingCharm(c *gc.C) {
for i, str := range []string{
"local:quantal/zebra", "local:badseries/zebra",
} {
c.Logf("test %d: %s", i, str)
charmURL := charm.MustParseURL(str)
_, err := charm.Latest(s.repo, charmURL)
s.checkNotFoundErr(c, err, charmURL)
_, err = s.repo.Get(charmURL)
s.checkNotFoundErr(c, err, charmURL)
}
}
func (s *LocalRepoSuite) TestMissingRepo(c *gc.C) {
c.Assert(os.RemoveAll(s.repo.Path), gc.IsNil)
_, err := charm.Latest(s.repo, charm.MustParseURL("local:quantal/zebra"))
c.Assert(err, gc.ErrorMatches, `no repository found at ".*"`)
_, err = s.repo.Get(charm.MustParseURL("local:quantal/zebra"))
c.Assert(err, gc.ErrorMatches, `no repository found at ".*"`)
c.Assert(ioutil.WriteFile(s.repo.Path, nil, 0666), gc.IsNil)
_, err = charm.Latest(s.repo, charm.MustParseURL("local:quantal/zebra"))
c.Assert(err, gc.ErrorMatches, `no repository found at ".*"`)
_, err = s.repo.Get(charm.MustParseURL("local:quantal/zebra"))
c.Assert(err, gc.ErrorMatches, `no repository found at ".*"`)
}
func (s *LocalRepoSuite) TestMultipleVersions(c *gc.C) {
charmURL := charm.MustParseURL("local:quantal/upgrade")
s.addDir("upgrade1")
rev, err := charm.Latest(s.repo, charmURL)
c.Assert(err, gc.IsNil)
c.Assert(rev, gc.Equals, 1)
ch, err := s.repo.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch.Revision(), gc.Equals, 1)
s.addDir("upgrade2")
rev, err = charm.Latest(s.repo, charmURL)
c.Assert(err, gc.IsNil)
c.Assert(rev, gc.Equals, 2)
ch, err = s.repo.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch.Revision(), gc.Equals, 2)
revCharmURL := charmURL.WithRevision(1)
rev, err = charm.Latest(s.repo, revCharmURL)
c.Assert(err, gc.IsNil)
c.Assert(rev, gc.Equals, 2)
ch, err = s.repo.Get(revCharmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch.Revision(), gc.Equals, 1)
badRevCharmURL := charmURL.WithRevision(33)
rev, err = charm.Latest(s.repo, badRevCharmURL)
c.Assert(err, gc.IsNil)
c.Assert(rev, gc.Equals, 2)
_, err = s.repo.Get(badRevCharmURL)
s.checkNotFoundErr(c, err, badRevCharmURL)
}
func (s *LocalRepoSuite) TestBundle(c *gc.C) {
charmURL := charm.MustParseURL("local:quantal/dummy")
s.addBundle("dummy")
rev, err := charm.Latest(s.repo, charmURL)
c.Assert(err, gc.IsNil)
c.Assert(rev, gc.Equals, 1)
ch, err := s.repo.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch.Revision(), gc.Equals, 1)
}
func (s *LocalRepoSuite) TestLogsErrors(c *gc.C) {
err := ioutil.WriteFile(filepath.Join(s.seriesPath, "blah.charm"), nil, 0666)
c.Assert(err, gc.IsNil)
err = os.Mkdir(filepath.Join(s.seriesPath, "blah"), 0666)
c.Assert(err, gc.IsNil)
samplePath := s.addDir("upgrade2")
gibberish := []byte("don't parse me by")
err = ioutil.WriteFile(filepath.Join(samplePath, "metadata.yaml"), gibberish, 0666)
c.Assert(err, gc.IsNil)
charmURL := charm.MustParseURL("local:quantal/dummy")
s.addDir("dummy")
ch, err := s.repo.Get(charmURL)
c.Assert(err, gc.IsNil)
c.Assert(ch.Revision(), gc.Equals, 1)
c.Assert(c.GetTestLog(), gc.Matches, `
.* WARNING juju.charm failed to load charm at ".*/quantal/blah": .*
.* WARNING juju.charm failed to load charm at ".*/quantal/blah.charm": .*
.* WARNING juju.charm failed to load charm at ".*/quantal/upgrade2": .*
`[1:])
}
func renameSibling(c *gc.C, path, name string) {
c.Assert(os.Rename(path, filepath.Join(filepath.Dir(path), name)), gc.IsNil)
}
func (s *LocalRepoSuite) TestIgnoresUnpromisingNames(c *gc.C) {
err := ioutil.WriteFile(filepath.Join(s.seriesPath, "blah.notacharm"), nil, 0666)
c.Assert(err, gc.IsNil)
err = os.Mkdir(filepath.Join(s.seriesPath, ".blah"), 0666)
c.Assert(err, gc.IsNil)
renameSibling(c, s.addDir("dummy"), ".dummy")
renameSibling(c, s.addBundle("dummy"), "dummy.notacharm")
charmURL := charm.MustParseURL("local:quantal/dummy")
_, err = s.repo.Get(charmURL)
s.checkNotFoundErr(c, err, charmURL)
_, err = charm.Latest(s.repo, charmURL)
s.checkNotFoundErr(c, err, charmURL)
c.Assert(c.GetTestLog(), gc.Equals, "")
}
func (s *LocalRepoSuite) TestFindsSymlinks(c *gc.C) {
realPath := charmtesting.Charms.ClonedDirPath(c.MkDir(), "dummy")
linkPath := filepath.Join(s.seriesPath, "dummy")
err := os.Symlink(realPath, linkPath)
c.Assert(err, gc.IsNil)
ch, err := s.repo.Get(charm.MustParseURL("local:quantal/dummy"))
c.Assert(err, gc.IsNil)
checkDummy(c, ch, linkPath)
}