[bug#30744] [PATCH] tests: mail: Add test for dovecot.

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

Oleg Pykhalov <go.wigust@gmail.com> writes:

> * gnu/tests/mail.scm (%dovecot-os, %test-dovecot): New variables.
> (run-dovecot-test): New procedure.
> ---
>  gnu/tests/mail.scm | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 113 insertions(+), 1 deletion(-)
>
> diff --git a/gnu/tests/mail.scm b/gnu/tests/mail.scm
> index 312df9b1c..77f273f8b 100644
> --- a/gnu/tests/mail.scm
> +++ b/gnu/tests/mail.scm
> @@ -29,7 +29,8 @@
>    #:use-module (guix store)
>    #:use-module (ice-9 ftw)
>    #:export (%test-opensmtpd
> -            %test-exim))
> +            %test-exim
> +            %test-dovecot))
>  
>  (define %opensmtpd-os
>    (simple-operating-system
> @@ -279,3 +280,114 @@ acl_check_data:
>     (name "exim")
>     (description "Send an email to a running an Exim server.")
>     (value (run-exim-test))))
> +
> +(define %dovecot-os
> +  (simple-operating-system
> +   (dhcp-client-service)
> +   (dovecot-service #:config
> +                    (dovecot-configuration
> +                     (disable-plaintext-auth? #f)
> +                     (ssl? "no")
> +                     (auth-mechanisms '("anonymous"))
> +                     (auth-anonymous-username "alice")
> +                     (mail-location
> +                      (string-append "maildir:~/Maildir"
> +                                     ":INBOX=~/Maildir/INBOX"
> +                                     ":LAYOUT=fs"))))))
> +
> +(define (run-dovecot-test)
> +  "Return a test of an OS running Dovecot service."
> +  (define vm
> +    (virtual-machine
> +     (operating-system (marionette-operating-system
> +                        %dovecot-os
> +                        #:imported-modules '((gnu services herd))))
> +     (port-forwardings '((8143 . 143)))))
> +
> +  (define test
> +    (with-imported-modules '((gnu build marionette))
> +      #~(begin
> +          (use-modules (gnu build marionette)
> +                       (ice-9 iconv)
> +                       (ice-9 rdelim)
> +                       (rnrs base)
> +                       (rnrs bytevectors)
> +                       (srfi srfi-64))
> +
> +          (define marionette
> +            (make-marionette '(#$vm)))
> +
> +          (define* (message-length message #:key (encoding "iso-8859-1"))
> +            (bytevector-length (string->bytevector message encoding)))
> +
> +          (define message "From: test@example.com\n\
> +Subject: Hello Nice to meet you!")
> +
> +          (mkdir #$output)
> +          (chdir #$output)
> +
> +          (test-begin "dovecot")
> +
> +          ;; Wait for dovecot to be up and running.
> +          (test-eq "dovecot running"
> +            'running!
> +            (marionette-eval
> +             '(begin
> +                (use-modules (gnu services herd))
> +                (start-service 'dovecot)
> +                'running!)
> +             marionette))
> +
> +          ;; Give the service time to start talking.
> +          (wait-for-file "/var/run/dovecot/master.pid" marionette)

Could you put it in a test context (test-assert with file-exists? for
example, see tests/messaging.scm)?

> +          (test-assert "accept an email"
> +            (let ((imap (socket AF_INET SOCK_STREAM 0))
> +                  (addr (make-socket-address AF_INET INADDR_LOOPBACK 8143)))
> +              (connect imap addr)
> +              ;; Be greeted.
> +              (read-line imap) ;OK
> +              ;; Authenticate
> +              (write-line "a AUTHENTICATE ANONYMOUS" imap)
> +              (read-line imap) ;+
> +              (write-line "c2lyaGM=" imap)
> +              (read-line imap) ;OK
> +              ;; Create a TESTBOX mailbox
> +              (write-line "a CREATE TESTBOX" imap)
> +              (read-line imap) ;OK
> +              ;; Append a message to a TESTBOX mailbox
> +              (write-line (format #f "a APPEND TESTBOX {~a}"
> +                                  (number->string (message-length message)))
> +                          imap)
> +              (read-line imap) ;+
> +              (write-line message imap)
> +              (read-line imap) ;OK
> +              ;; Logout
> +              (write-line "a LOGOUT" imap)
> +              (close imap)
> +              #t))
> +
> +          (test-equal "mail arrived"
> +            message
> +            (marionette-eval
> +             '(begin
> +                (use-modules (ice-9 ftw)
> +                             (ice-9 match))
> +                (let ((TESTBOX/new "/home/alice/Maildir/TESTBOX/new/"))
> +                  (match (scandir TESTBOX/new)
> +                    ((cwd .. message-file)

You need to use double quotes, like ("." ".." message-file) I believe.

> +                     (call-with-input-file
> +                         (string-append TESTBOX/new message-file)
> +                       get-string-all)))))
> +             marionette))
> +
> +          (test-end)
> +          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
> +
> +  (gexp->derivation "dovecot-test" test))
> +
> +(define %test-dovecot
> +  (system-test
> +   (name "dovecot")
> +   (description "Connect to a running Dovecot server.")
> +   (value (run-dovecot-test))))