04/04: tests: Add 'nginx-service-type' test.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 11f3885bb59cbdeec08a929996b4fc39b1746a3e
Author: Ludovic Courtès <address@hidden>
Date:   Thu Jan 19 14:43:24 2017 +0100

    tests: Add 'nginx-service-type' test.
    
    * gnu/tests/web.scm: New file.
    * gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
---
 gnu/local.mk      |    3 +-
 gnu/tests/web.scm |  146 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+), 1 deletion(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index 217d317..2da8b82 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -457,7 +457,8 @@ GNU_SYSTEM_MODULES =                                \
   %D%/tests/nfs.scm                            \
   %D%/tests/install.scm                                \
   %D%/tests/mail.scm                           \
-  %D%/tests/ssh.scm
+  %D%/tests/ssh.scm                            \
+  %D%/tests/web.scm
 
 
 patchdir = $(guilemoduledir)/%D%/packages/patches
diff --git a/gnu/tests/web.scm b/gnu/tests/web.scm
new file mode 100644
index 0000000..bae0e8f
--- /dev/null
+++ b/gnu/tests/web.scm
@@ -0,0 +1,146 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Ludovic Courtès <address@hidden>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu tests web)
+  #:use-module (gnu tests)
+  #:use-module (gnu system)
+  #:use-module (gnu system grub)
+  #:use-module (gnu system file-systems)
+  #:use-module (gnu system shadow)
+  #:use-module (gnu system vm)
+  #:use-module (gnu services)
+  #:use-module (gnu services base)
+  #:use-module (gnu services web)
+  #:use-module (gnu services networking)
+  #:use-module (guix gexp)
+  #:use-module (guix store)
+  #:use-module (guix monads)
+  #:export (%test-nginx))
+
+(define %index.html-contents
+  ;; Contents of the /index.html file served by nginx.
+  "Hello, nginx!")
+
+(define %make-http-root
+  ;; Create our server root in /srv.
+  #~(begin
+      (mkdir "/srv")
+      (call-with-output-file "/srv/index.html"
+        (lambda (port)
+          (display #$%index.html-contents port)))))
+
+(define %nginx-servers
+  ;; Server blocks.
+  (list (nginx-server-configuration
+         (root "/srv")
+         (http-port 8042)
+         (https-port #f)
+         (ssl-certificate #f)
+         (ssl-certificate-key #f))))
+
+(define %nginx-os
+  ;; Operating system under test.
+  (operating-system
+    (host-name "komputilo")
+    (timezone "Europe/Berlin")
+    (locale "en_US.utf8")
+
+    (bootloader (grub-configuration (device "/dev/sdX")))
+    (file-systems %base-file-systems)
+    (firmware '())
+    (users %base-user-accounts)
+    (services (cons* (dhcp-client-service)
+                     (service nginx-service-type
+                              (nginx-configuration
+                               (log-directory "/var/log/nginx")
+                               (server-blocks %nginx-servers)))
+                     (simple-service 'make-http-root activation-service-type
+                                     %make-http-root)
+                     %base-services))))
+
+(define* (run-nginx-test #:optional (http-port 8042))
+  "Run tests in %NGINX-OS, which has nginx running and listening on
+HTTP-PORT."
+  (mlet* %store-monad ((os ->   (marionette-operating-system
+                                 %nginx-os
+                                 #:imported-modules '((gnu services herd)
+                                                      (guix combinators))))
+                       (command (system-qemu-image/shared-store-script
+                                 os #:graphic? #f)))
+    (define test
+      (with-imported-modules '((gnu build marionette))
+        #~(begin
+            (use-modules (srfi srfi-11) (srfi srfi-64)
+                         (gnu build marionette)
+                         (web uri)
+                         (web client)
+                         (web response))
+
+            (define marionette
+              ;; Forward the guest's HTTP-PORT, where nginx is listening, to
+              ;; port 8080 in the host.
+              (make-marionette (list #$command "-net"
+                                     (string-append
+                                      "user,hostfwd=tcp::8080-:"
+                                      #$(number->string http-port)))))
+
+            (mkdir #$output)
+            (chdir #$output)
+
+            (test-begin "nginx")
+
+            ;; Wait for nginx to be up and running.
+            (test-eq "service running"
+              'running!
+              (marionette-eval
+               '(begin
+                  (use-modules (gnu services herd))
+                  (start-service 'nginx)
+                  'running!)
+               marionette))
+
+            ;; Make sure the PID file is created.
+            (test-assert "PID file"
+              (marionette-eval
+               '(file-exists? "/var/run/nginx/pid")
+               marionette))
+
+            ;; Retrieve the index.html file we put in /srv.
+            (test-equal "http-get"
+              '(200 #$%index.html-contents)
+              (let-values (((response text)
+                            (http-get "http://localhost:8080/index.html";
+                                      #:decode-body? #t)))
+                (list (response-code response) text)))
+
+            ;; There should be a log file in here.
+            (test-assert "log file"
+              (marionette-eval
+               '(file-exists? "/var/log/nginx/access.log")
+               marionette))
+
+            (test-end)
+            (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
+
+    (gexp->derivation "nginx-test" test)))
+
+(define %test-nginx
+  (system-test
+   (name "nginx")
+   (description "Connect to a running NGINX server.")
+   (value (run-nginx-test))))