func (s *UpgraderSuite) TestUpgraderUpgradesImmediately(c *gc.C) {
stor := s.Conn.Environ.Storage()
oldTools := envtesting.PrimeTools(c, stor, s.DataDir(), version.MustParseBinary("5.4.3-precise-amd64"))
s.PatchValue(&version.Current, oldTools.Version)
newTools := envtesting.AssertUploadFakeToolsVersions(
c, stor, version.MustParseBinary("5.4.5-precise-amd64"))[0]
err := statetesting.SetAgentVersion(s.State, newTools.Version.Number)
c.Assert(err, gc.IsNil)
// Make the download take a while so that we verify that
// the download happens before the upgrader checks if
// it's been stopped.
dummy.SetStorageDelay(coretesting.ShortWait)
u := s.makeUpgrader()
err = u.Stop()
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: s.machine.Tag(),
OldTools: oldTools.Version,
NewTools: newTools.Version,
DataDir: s.DataDir(),
})
foundTools, err := agenttools.ReadTools(s.DataDir(), newTools.Version)
c.Assert(err, gc.IsNil)
envtesting.CheckTools(c, foundTools, newTools)
}
func (s *UpgraderSuite) TestUpgraderAllowsDowngradingPatchVersions(c *gc.C) {
stor := s.Conn.Environ.Storage()
origTools := envtesting.PrimeTools(c, stor, s.DataDir(), version.MustParseBinary("5.4.3-precise-amd64"))
s.PatchValue(&version.Current, origTools.Version)
downgradeTools := envtesting.AssertUploadFakeToolsVersions(
c, stor, version.MustParseBinary("5.4.2-precise-amd64"))[0]
err := statetesting.SetAgentVersion(s.State, downgradeTools.Version.Number)
c.Assert(err, gc.IsNil)
dummy.SetStorageDelay(coretesting.ShortWait)
u := s.makeUpgrader()
err = u.Stop()
envtesting.CheckUpgraderReadyError(c, err, &upgrader.UpgradeReadyError{
AgentName: s.machine.Tag(),
OldTools: origTools.Version,
NewTools: downgradeTools.Version,
DataDir: s.DataDir(),
})
foundTools, err := agenttools.ReadTools(s.DataDir(), downgradeTools.Version)
c.Assert(err, gc.IsNil)
envtesting.CheckTools(c, foundTools, downgradeTools)
}