func (s *GitDeployerSuite) TestInstall(c *gc.C) {
// Prepare.
info := s.bundles.AddCustomBundle(c, corecharm.MustParseURL("cs:s/c-1"), func(path string) {
err := ioutil.WriteFile(filepath.Join(path, "some-file"), []byte("hello"), 0644)
c.Assert(err, gc.IsNil)
})
err := s.deployer.Stage(info, nil)
c.Assert(err, gc.IsNil)
checkCleanup(c, s.deployer)
// Install.
err = s.deployer.Deploy()
c.Assert(err, gc.IsNil)
checkCleanup(c, s.deployer)
// Check content.
data, err := ioutil.ReadFile(filepath.Join(s.targetPath, "some-file"))
c.Assert(err, gc.IsNil)
c.Assert(string(data), gc.Equals, "hello")
target := charm.NewGitDir(s.targetPath)
url, err := target.ReadCharmURL()
c.Assert(err, gc.IsNil)
c.Assert(url, gc.DeepEquals, corecharm.MustParseURL("cs:s/c-1"))
lines, err := target.Log()
c.Assert(err, gc.IsNil)
c.Assert(lines, gc.HasLen, 2)
c.Assert(lines[0], gc.Matches, `[0-9a-f]{7} Deployed charm "cs:s/c-1"\.`)
c.Assert(lines[1], gc.Matches, `[0-9a-f]{7} Imported charm "cs:s/c-1"\.`)
}
func (s *GitDeployerSuite) TestUpgrade(c *gc.C) {
// Install.
info1 := s.bundles.AddCustomBundle(c, corecharm.MustParseURL("cs:s/c-1"), func(path string) {
err := ioutil.WriteFile(filepath.Join(path, "some-file"), []byte("hello"), 0644)
c.Assert(err, gc.IsNil)
err = os.Symlink("./some-file", filepath.Join(path, "a-symlink"))
c.Assert(err, gc.IsNil)
})
err := s.deployer.Stage(info1, nil)
c.Assert(err, gc.IsNil)
err = s.deployer.Deploy()
c.Assert(err, gc.IsNil)
// Upgrade.
info2 := s.bundles.AddCustomBundle(c, corecharm.MustParseURL("cs:s/c-2"), func(path string) {
err := ioutil.WriteFile(filepath.Join(path, "some-file"), []byte("goodbye"), 0644)
c.Assert(err, gc.IsNil)
err = ioutil.WriteFile(filepath.Join(path, "a-symlink"), []byte("not any more!"), 0644)
c.Assert(err, gc.IsNil)
})
err = s.deployer.Stage(info2, nil)
c.Assert(err, gc.IsNil)
checkCleanup(c, s.deployer)
err = s.deployer.Deploy()
c.Assert(err, gc.IsNil)
checkCleanup(c, s.deployer)
// Check content.
data, err := ioutil.ReadFile(filepath.Join(s.targetPath, "some-file"))
c.Assert(err, gc.IsNil)
c.Assert(string(data), gc.Equals, "goodbye")
data, err = ioutil.ReadFile(filepath.Join(s.targetPath, "a-symlink"))
c.Assert(err, gc.IsNil)
c.Assert(string(data), gc.Equals, "not any more!")
target := charm.NewGitDir(s.targetPath)
url, err := target.ReadCharmURL()
c.Assert(err, gc.IsNil)
c.Assert(url, gc.DeepEquals, corecharm.MustParseURL("cs:s/c-2"))
lines, err := target.Log()
c.Assert(err, gc.IsNil)
c.Assert(lines, gc.HasLen, 5)
c.Assert(lines[0], gc.Matches, `[0-9a-f]{7} Upgraded charm to "cs:s/c-2".`)
}
func (s *GitDeployerSuite) TestConflictRevertResolve(c *gc.C) {
// Install.
info1 := s.bundles.AddCustomBundle(c, corecharm.MustParseURL("cs:s/c-1"), func(path string) {
err := ioutil.WriteFile(filepath.Join(path, "some-file"), []byte("hello"), 0644)
c.Assert(err, gc.IsNil)
})
err := s.deployer.Stage(info1, nil)
c.Assert(err, gc.IsNil)
err = s.deployer.Deploy()
c.Assert(err, gc.IsNil)
// Mess up target.
err = ioutil.WriteFile(filepath.Join(s.targetPath, "some-file"), []byte("mu!"), 0644)
c.Assert(err, gc.IsNil)
// Upgrade.
info2 := s.bundles.AddCustomBundle(c, corecharm.MustParseURL("cs:s/c-2"), func(path string) {
err := ioutil.WriteFile(filepath.Join(path, "some-file"), []byte("goodbye"), 0644)
c.Assert(err, gc.IsNil)
})
err = s.deployer.Stage(info2, nil)
c.Assert(err, gc.IsNil)
err = s.deployer.Deploy()
c.Assert(err, gc.Equals, charm.ErrConflict)
checkCleanup(c, s.deployer)
// Check state.
target := charm.NewGitDir(s.targetPath)
conflicted, err := target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, true)
// Revert and check initial content.
err = s.deployer.NotifyRevert()
c.Assert(err, gc.IsNil)
data, err := ioutil.ReadFile(filepath.Join(s.targetPath, "some-file"))
c.Assert(err, gc.IsNil)
c.Assert(string(data), gc.Equals, "mu!")
conflicted, err = target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, false)
// Try to upgrade again.
err = s.deployer.Deploy()
c.Assert(err, gc.Equals, charm.ErrConflict)
conflicted, err = target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, true)
checkCleanup(c, s.deployer)
// And again.
err = s.deployer.Deploy()
c.Assert(err, gc.Equals, charm.ErrConflict)
conflicted, err = target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, true)
checkCleanup(c, s.deployer)
// Manually resolve, and commit.
err = ioutil.WriteFile(filepath.Join(target.Path(), "some-file"), []byte("nu!"), 0644)
c.Assert(err, gc.IsNil)
err = s.deployer.NotifyResolved()
c.Assert(err, gc.IsNil)
conflicted, err = target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, false)
// Try a final upgrade to the same charm and check it doesn't write anything
// except the upgrade log line.
err = s.deployer.Deploy()
c.Assert(err, gc.IsNil)
checkCleanup(c, s.deployer)
data, err = ioutil.ReadFile(filepath.Join(target.Path(), "some-file"))
c.Assert(err, gc.IsNil)
c.Assert(string(data), gc.Equals, "nu!")
conflicted, err = target.Conflicted()
c.Assert(err, gc.IsNil)
c.Assert(conflicted, gc.Equals, false)
lines, err := target.Log()
c.Assert(err, gc.IsNil)
c.Assert(lines[0], gc.Matches, `[0-9a-f]{7} Upgraded charm to "cs:s/c-2".`)
}