liminix/modules/dhcp6c/acquire-wan-address-test.fnl
2024-04-20 15:09:50 +01:00

124 lines
3 KiB
Fennel

(local subject (require :acquire-wan-address))
(import-macros { : expect= } :anoia.assert)
(local { : merge : dup } (require :anoia))
;; nix-shell --run "cd modules/dhcp6c && fennelrepl acquire-wan-address-test.fnl"
(local a1
{
"2001-ab-cd-ef" {
:address "2001:ab:cd:ef"
:len "64"
:preferred "3600"
:valid "7200"
}
}
)
(local a156
{
"2001-ab-cd-ef" {
:address "2001:ab:cd:ef"
:len "56"
:preferred "3600"
:valid "7200"
}
}
)
(local a2
{
"2001-0-1-2-3" {
:address "2001:0:1:2:3"
:len "64"
:preferred "3600"
:valid "7200"
}
}
)
(local a21
{
"2001-0-1-2-3" {
:address "2001:0:1:2:3"
:len "64"
:preferred "1800"
:valid "5400"
}
}
)
(fn first-address []
(let [deleted
(subject.deletions
{ }
a1
)]
(expect= deleted [])))
(fn second-address []
(let [del
(subject.deletions
a1
(merge (dup a1) a2)
)]
(expect= del [])))
(fn old-address-is-deleted []
(let [del
(subject.deletions
(merge (dup a1) a2)
a1
)]
(expect= (. del 1) (. a2 "2001-0-1-2-3"))
))
(fn changed-lifetime-not-deleted []
(let [del
(subject.deletions
(merge (dup a1) a2)
(merge (dup a1) a21)
)]
;; when an address lifetime changes, "ip address change"
;; will update that so it need not (should not) be deleted
(expect= del [])))
(fn changed-prefix-is-deleted []
(let [del
(subject.deletions a1 a156)]
;; when an address prefix changes, "ip address change"
;; ignores that cjhange, so we have to remove the
;; address before reinstating it
(expect= del [(. a1 "2001-ab-cd-ef")])))
(first-address)
(second-address)
(old-address-is-deleted)
(changed-lifetime-not-deleted)
(changed-prefix-is-deleted)
(let [cmds []]
(subject.update-addresses
"ppp0" a1 (merge (dup a1) a2)
(fn [a] (table.insert cmds a)))
(expect=
(doto cmds table.sort)
[
;; order of changes is unimportant
"ip address change 2001:0:1:2:3/64 dev ppp0 valid_lft 7200 preferred_lft 3600"
"ip address change 2001:ab:cd:ef/64 dev ppp0 valid_lft 7200 preferred_lft 3600"
]))
(let [cmds []]
(subject.update-addresses
"ppp0" (merge (dup a1) a2) a1
(fn [a] (table.insert cmds a)))
(expect=
cmds
[
;; deletes are executed before changes
"ip address del 2001:0:1:2:3/64 dev ppp0"
"ip address change 2001:ab:cd:ef/64 dev ppp0 valid_lft 7200 preferred_lft 3600"
]))
(print "OK")