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;;; dist.scm -- Testing of the distributed forms
;; Copyright (C) 2015, 2016, 2017 Artyom V. Poptsov <poptsov.artyom@gmail.com>
;;
;; This file is a part of Guile-SSH.
;;
;; Guile-SSH is free software: you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;;
;; Guile-SSH is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Guile-SSH. If not, see <http://www.gnu.org/licenses/>.
(add-to-load-path (getenv "abs_top_srcdir"))
(use-modules (srfi srfi-64)
(ice-9 receive)
(ice-9 rdelim)
(ssh session)
(ssh key)
(ssh auth)
(ssh message)
(ssh server)
(ssh log)
(ssh dist)
(ssh dist job)
(ssh dist node)
(tests common))
(test-begin-with-log "dist")
;;;
(test-assert "make-node"
(let* ((s (make-session-for-test))
(n (make-node s)))
(and n
(eq? (node-repl-port n) 37146)
(eq? (node-session n) s))))
(test-equal "split, 1"
'((a b) (c d) (e f g))
(split '(a b c d e f g) 3))
(test-equal "split, 2"
'((a))
(split '(a) 2))
(test-assert "make-job"
(let* ((s (make-session-for-test))
(n (make-node s))
(data '(1 2 3))
(proc '(lambda (n) (1+ n)))
(j (make-job 'map n data proc)))
(and (eq? (job-type j) 'map)
(eq? (job-node j) n)
(eq? (job-data j) data)
(eq? (job-proc j) proc))))
(test-assert "set-job-node"
(let* ((s (make-session-for-test))
(n1 (make-node s))
(n2 (make-node s))
(data '())
(proc '(lambda (n) (1+ n)))
(j1 (make-job 'map n1 data proc))
(j2 (set-job-node j1 n2)))
(and (not (eq? j1 j2))
(eq? (job-type j1) (job-type j2))
(eq? (job-node j1) n1)
(eq? (job-node j2) n2)
(eq? (job-data j1) (job-data j2))
(eq? (job-proc j1) (job-proc j2)))))
(test-error-with-log "hand-out-job, invalid type"
(let ((n (make-node (make-session-for-test))))
(hand-out-job (make-job 'invalid-job n '() (const #t)))))
(test-assert "assign-eval"
(let* ((s (make-session-for-test))
(nodes (make-list 2 (make-node s)))
(exprs (make-list 10 '(lambda (x) (1+ x))))
(jobs (assign-eval nodes exprs)))
(and (eq? (length jobs) 2)
(eq? (job-type (car jobs)) 'eval)
(eq? (length (job-proc (car jobs))) 5))))
;;; Testing of 'rrepl-get-result'.
;; These test cases are intended to test various inputs for 'rrepl-get-result'
;; procedure.
(test-assert "rrepl-get-result"
(receive (result eval-num module-name lang)
(call-with-input-string "scheme@(guile-user)> $0 = test"
rrepl-get-result)
;; (format (current-error-port)
;; "\tresult: ~a\neval-num: ~a"
(and (eq? result 'test)
(= eval-num 0)
(string=? module-name "(guile-user)")
(string=? lang "scheme"))))
(test-assert "rrepl-get-result, unspecified"
(receive (result eval-num module-name lang)
(call-with-input-string "scheme@(guile-user)> "
rrepl-get-result)
(and (eq? result *unspecified*)
(eq? eval-num *unspecified*)
(string=? module-name "(guile-user)")
(string=? lang "scheme"))))
(test-error-with-log/= "rrepl-get-result, error"
'node-repl-error "scheme@(guile-user)> ERROR: error."
(call-with-input-string "scheme@(guile-user)> ERROR: error."
rrepl-get-result))
;; See <https://github.com/artyom-poptsov/guile-ssh/issues/3>.
(test-error-with-log/= "rrepl-get-result, compilation error"
'node-repl-error "scheme@(guile-user)> While compiling expression:\nERROR: no code for module (module-that-doesnt-exist)"
(call-with-input-string
(string-append "scheme@(guile-user)> While compiling expression:\n"
"ERROR: no code for module (module-that-doesnt-exist)")
rrepl-get-result))
(test-error-with-log/= "rrepl-get-result, unbound variable error"
'node-repl-error "scheme@(guile-user)> ;;; socket:9:7: warning: \
possibly unbound variable `e'\nsocket:9:7: In procedure #<procedure \
1a44920 at socket:9:7 ()>:\nsocket:9:7: In procedure module-lookup: \
Unbound variable: e"
(call-with-input-string
(string-append (string-append
"scheme@(guile-user)> ;;; socket:9:7: warning: "
"possibly unbound variable `e'\nsocket:9:7: "
"In procedure #<procedure 1a44920 at socket:9:7 ()>:\n"
"socket:9:7: In procedure module-lookup: Unbound variable: e"))
rrepl-get-result))
(test-error-with-log/= "rrepl-get-result, unknown # object error"
'node-repl-error "Reader error: scm_lreadr: #<unknown port>:1:3: \
Unknown # object: (#\\<): scheme@(guile-user)> \
$4 = #<session #<undefined>@#<undefined>:22 (disconnected) 453fff>"
(call-with-input-string
(string-append "scheme@(guile-user)> $4 = "
"#<session #<undefined>@#<undefined>:22 (disconnected) 453fff>")
rrepl-get-result))
(test-assert "rrepl-get-result, elisp"
(receive (result eval-num module-name lang)
(call-with-input-string "elisp@(guile-user)> $0 = #nil"
rrepl-get-result)
(and (eq? result '#nil)
(= eval-num 0)
(string=? module-name "(guile-user)")
(string=? lang "elisp"))))
(test-assert "rrepl-get-result, multiple values"
(receive (result eval-num module-name lang)
(call-with-input-string "scheme@(guile-user)> $0 = v1\n$1 = v2"
rrepl-get-result)
(and (vector? eval-num)
(vector? result)
(eq? (vector-ref result 0) 'v1)
(eq? (vector-ref result 1) 'v2)
(= (vector-ref eval-num 0) 0)
(= (vector-ref eval-num 1) 1)
(string=? module-name "(guile-user)")
(string=? lang "scheme"))))
(test-assert "rrepl-skip-to-prompt, valid input"
(begin
(call-with-input-string "Enter `,help' for help."
(lambda (port)
(rrepl-skip-to-prompt port)))
#t))
(test-error-with-log "rrepl-skip-to-prompt, invalid input" 'node-error
(call-with-input-string "invalid input"
(lambda (port)
(rrepl-skip-to-prompt port))))
;;; Distributed forms.
;; The client uses distributed form 'with-ssh' to evaluate (+ 21 21). The
;; server pretends to be a RREPL server and returns the evaluation "result",
;; 42.
(test-assert-with-log "with-ssh"
(run-client-test
;; Server
(lambda (server)
(server-listen server)
(server-set! server 'log-verbosity 'functions)
(let ((session (server-accept server)))
(server-handle-key-exchange session)
(start-session-loop
session
(lambda (msg type)
(format-log/scm 'nolog
"server"
"msg: ~a; type: ~a" msg type)
(case (car type)
((request-channel-open)
(let ((c (message-channel-request-open-reply-accept msg)))
(format-log/scm 'nolog "server" "channel 0: ~a" c)
;; Write the last line of Guile REPL greeting message to
;; pretend that we're a REPL server.
(write-line "Enter `,help' for help." c)
(format-log/scm 'nolog "server" "channel 1: ~a" c)
(usleep 100)
(poll c
(lambda args
;; Read expression
(let ((result (read-line c)))
(format-log/scm 'nolog "server"
"sexp: ~a" result)
(or (string=? result "(begin (+ 21 21))")
(error "Wrong result 1" result)))
;; Read newline
(let ((result (read-line c)))
(format-log/scm 'nolog "server"
"sexp: ~a" result)
(or (string=? result "(newline)")
(error "Wrong result 2" result)))
(write-line "scheme@(guile-user)> $1 = 42\n" c)
(close c)
(while #t
(sleep 60))))))
(else
(message-reply-success msg)))))))
;; Client
(lambda ()
(call-with-connected-session
(lambda (session)
(authenticate-server session)
(format-log/scm 'nolog "client" "session: ~a" session)
(unless (equal? (userauth-none! session) 'success)
(error "Could not authenticate with a server" session))
(let ((n (make-node session #:start-repl-server? #f)))
(= (with-ssh n
(+ 21 21))
42)))))))
;;;
(test-end "dist")
(exit (= (test-runner-fail-count (test-runner-current)) 0))
;;; dist.scm ends here.
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