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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix 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.
+;;;
+;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu tests admin)
+ #:use-module (gnu tests)
+ #:use-module (gnu system)
+ #:use-module (gnu system file-systems)
+ #:use-module (gnu system shadow)
+ #:use-module (gnu system vm)
+ #:use-module (gnu services)
+ #:use-module (gnu services admin)
+ #:use-module (gnu services networking)
+ #:use-module (guix gexp)
+ #:use-module (guix store)
+ #:use-module (guix monads)
+ #:export (%test-tailon))
+
+(define %tailon-os
+ ;; Operating system under test.
+ (simple-operating-system
+ (dhcp-client-service)
+ (service tailon-service-type
+ (tailon-configuration
+ (config-file
+ (tailon-configuration-file
+ (bind "0.0.0.0:8080")))))))
+
+(define* (run-tailon-test #:optional (http-port 8081))
+ "Run tests in %TAILON-OS, which has tailon running and listening on
+HTTP-PORT."
+ (define os
+ (marionette-operating-system
+ %tailon-os
+ #:imported-modules '((gnu services herd)
+ (guix combinators))))
+
+ (define vm
+ (virtual-machine
+ (operating-system os)
+ (port-forwardings `((,http-port . 8080)))))
+
+ (define test
+ (with-imported-modules '((gnu build marionette))
+ #~(begin
+ (use-modules (srfi srfi-11) (srfi srfi-64)
+ (ice-9 match)
+ (gnu build marionette)
+ (web uri)
+ (web client)
+ (web response))
+
+ (define marionette
+ ;; Forward the guest's HTTP-PORT, where tailon is listening, to
+ ;; port 8080 in the host.
+ (make-marionette (list #$vm)))
+
+ (mkdir #$output)
+ (chdir #$output)
+
+ (test-begin "tailon")
+
+ (test-eq "service running"
+ 'running!
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (start-service 'tailon)
+ 'running!)
+ marionette))
+
+ (define* (retry-on-error f #:key times delay)
+ (let loop ((attempt 1))
+ (match (catch
+ #t
+ (lambda ()
+ (cons #t
+ (f)))
+ (lambda args
+ (cons #f
+ args)))
+ ((#t . return-value)
+ return-value)
+ ((#f . error-args)
+ (if (>= attempt times)
+ error-args
+ (begin
+ (sleep delay)
+ (loop (+ 1 attempt))))))))
+
+ (test-equal "http-get"
+ 200
+ (retry-on-error
+ (lambda ()
+ (let-values (((response text)
+ (http-get #$(format
+ #f
+ "http://localhost:~A/"
+ http-port)
+ #:decode-body? #t)))
+ (response-code response)))
+ #:times 10
+ #:delay 5))
+
+ (test-end)
+ (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
+
+ (gexp->derivation "tailon-test" test))
+
+(define %test-tailon
+ (system-test
+ (name "tailon")
+ (description "Connect to a running Tailon server.")
+ (value (run-tailon-test))))