Re: [PATCH 2/2] tests: Add 'prosody-service-type' test.

["Clément Lassieur" <clement@lassieur.org>]

Hi Ludovic,

Ludovic Courtès <ludo@gnu.org> writes:

> Hello!
>
> Clément Lassieur <clement@lassieur.org> skribis:
>
>> * gnu/tests/messaging.scm: New file.
>> * gnu/services/messaging.scm: New exported procedure.
>>   (<shepherd-service>)[provision]: Add 'xmpp-daemon'.
>
> Awesome!
>
> Please also add the new file to gnu/local.mk.

Done.

>> +(define %base-os
>> +  (operating-system
>> +    (host-name "komputilo")
>> +    (timezone "Europe/Berlin")
>> +    (locale "en_US.UTF-8")
>> +
>> +    (bootloader (grub-configuration (device "/dev/sdX")))
>> +    (file-systems %base-file-systems)
>> +    (firmware '())
>> +    (users %base-user-accounts)
>> +    (services (cons (dhcp-client-service)
>> +                    %base-services))))
>> +
>> +(define (os-with-service service)
>> +  "Return a test operating system that runs SERVICE."
>> +  (operating-system
>> +    (inherit %base-os)
>> +    (services (cons service
>> +                    (operating-system-user-services %base-os)))))
>> +
>> +(define (run-xmpp-test name xmpp-service pid-file create-account)
>> +  "Run a test of an OS running XMPP-SERVICE, which writes its PID to PID-FILE."
>> +  (mlet* %store-monad ((os -> (marionette-operating-system
>> +                               (os-with-service xmpp-service)
>> +                               #:imported-modules '((gnu services herd))))
>
> I think you can remove ‘os-with-service’ and simply add the Prosody
> service explicitly in ‘%base-os’ (which could be rename ‘%prosody-os’
> maybe).

But then, my test wouldn't be generic anymore, would it?  I would like
it to be Prosody-independent, so that one can add, say, the ejabberd
service easily.  That's why I call the service 'xmpp-daemon' instead of
'prosody'.  WDYT?

>> +    (define script.ft
>> +      (scheme-file
>> +       "script.ft"
>> +       #~(begin
>> +           (define (handle-received-message time from nickname message)
>> +             (if (equal? message #$message)
>> +                 (ft-quit 0)
>> +                 (ft-quit 1)))
>> +           (add-hook! ft-message-receive-hook handle-received-message)
>> +
>> +           (ft-set-jid! #$jid)
>> +           (ft-set-password! #$password)
>> +           (ft-set-server! #$server)
>> +           (ft-set-port! #$port)
>> +           (ft-set-sslconn! #f)
>> +           (ft-connect-blocking)
>> +           (ft-send-message #$jid #$message)
>> +           (ft-main-loop))))
>
> Very neat that this can be done in Scheme too.  :-)
>
> If it’s possible, I agree that adding a timeout (say 1 minute) would be
> nice.

Done.

>> +            ;; Check XMPP service's PID.
>> +            (test-assert "service process id"
>> +              (let ((pid (number->string (wait-for-file #$pid-file))))
>> +                (marionette-eval `(zero? (system* "ps" "-p" ,pid))
>> +                                 marionette)))
>
> I think (file-exists? (string-append "/proc/" pid)) would be enough.

Done.

>> +(define %create-prosody-account
>> +  (program-file
>> +   "create-account"
>> +   #~(let* ((jid (cadr (command-line)))
>> +            (password (caddr (command-line)))
>
> Better use ‘match’ here.  :-)
>
>    (match (command-line)
>      ((command jid password)
>       …))

Done.

> Could you send an updated patch?

Done! Thanks for the review!

Clément