// This is the logic common to all the failover tests. Each of them has define a
// type implementing the failer interface and call this function with an instance
// of it
func commonFailoverTest(c *check.C, f failer) {
currentVersion := common.GetCurrentUbuntuCoreVersion(c)
if common.AfterReboot(c) {
common.RemoveRebootMark(c)
f.unset(c)
c.Assert(common.GetSavedVersion(c), check.Equals, currentVersion,
check.Commentf("Rebooted to the wrong version"))
} else {
common.SetSavedVersion(c, currentVersion-1)
common.CallFakeUpdate(c)
f.set(c)
common.Reboot(c)
}
}
func (s *rollbackSuite) TestRollbackMustRebootToOtherVersion(c *check.C) {
if common.BeforeReboot() {
common.CallFakeUpdate(c)
common.Reboot(c)
} else if common.CheckRebootMark(c.TestName()) {
common.RemoveRebootMark(c)
currentVersion := common.GetCurrentUbuntuCoreVersion(c)
c.Assert(currentVersion > common.GetSavedVersion(c), check.Equals, true,
check.Commentf("Rebooted to the wrong version: %d", currentVersion))
cli.ExecCommand(c, "sudo", "snappy", "rollback", "ubuntu-core",
strconv.Itoa(common.GetSavedVersion(c)))
common.SetSavedVersion(c, currentVersion)
common.RebootWithMark(c, c.TestName()+"-rollback")
} else if common.CheckRebootMark(c.TestName() + "-rollback") {
common.RemoveRebootMark(c)
currentVersion := common.GetCurrentUbuntuCoreVersion(c)
c.Assert(currentVersion < common.GetSavedVersion(c), check.Equals, true,
check.Commentf("Rebooted to the wrong version: %d", currentVersion))
}
}