[bug#28198] [PATCH 4/4] tests: databases: Add MongoDB test.

[Christopher Baines <mail@cbaines.net>]

* gnu/tests/databases.scm (%test-mongodb): New variable.
---
 gnu/tests/databases.scm | 77 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

diff --git a/gnu/tests/databases.scm b/gnu/tests/databases.scm
index 9d9a75374..1dbb8a12a 100644
--- a/gnu/tests/databases.scm
+++ b/gnu/tests/databases.scm
@@ -25,9 +25,11 @@
   #:use-module (gnu services)
   #:use-module (gnu services databases)
   #:use-module (gnu services networking)
+  #:use-module (gnu packages databases)
   #:use-module (guix gexp)
   #:use-module (guix store)
-  #:export (%test-memcached))
+  #:export (%test-memcached
+            %test-mongodb))
 
 (define %memcached-os
   (simple-operating-system
@@ -121,3 +123,76 @@
    (name "memcached")
    (description "Connect to a running MEMCACHED server.")
    (value (run-memcached-test))))
+
+(define %mongodb-os
+  (operating-system
+    (inherit
+     (simple-operating-system
+      (dhcp-client-service)
+      (service mongodb-service-type)
+      (extra-special-file "/etc/os-release"
+                          (plain-file "os-release" "guix\n"))))
+    (packages (cons* mongodb
+                     %base-packages))))
+
+(define* (run-mongodb-test #:optional (port 27017))
+  "Run tests in %MONGODB-OS, forwarding PORT."
+  (define os
+    (marionette-operating-system
+     %mongodb-os
+     #:imported-modules '((gnu services herd)
+                          (guix combinators))))
+
+  (define vm
+    (virtual-machine
+     (operating-system os)
+     (memory-size 1024)
+     (disk-image-size (* 1024 (expt 2 20)))
+     (port-forwardings `((27017 . ,port)))))
+
+  (define test
+    (with-imported-modules '((gnu build marionette))
+      #~(begin
+          (use-modules (srfi srfi-11) (srfi srfi-64)
+                       (gnu build marionette)
+                       (ice-9 rdelim))
+
+          (define marionette
+            (make-marionette (list #$vm)))
+
+          (mkdir #$output)
+          (chdir #$output)
+
+          (test-begin "mongodb")
+
+          ;; Wait for mongodb to be up and running.
+          (test-assert "service running"
+            (marionette-eval
+             '(begin
+                (use-modules (gnu services herd))
+                (match (start-service 'mongodb)
+                  (#f #f)
+                  (('service response-parts ...)
+                   (match (assq-ref response-parts 'running)
+                     ((pid) (number? pid))))))
+             marionette))
+
+          (test-eq "can connect"
+            0
+            (system* (string-append #$mongodb "/bin/mongo")
+                     "test"
+                     "--eval"
+                     "help"))
+
+          (test-end)
+          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
+
+  (gexp->derivation "mongodb-test" test))
+
+(define %test-mongodb
+  (system-test
+   (name "mongodb")
+   (description "Connect to a running MONGODB server.")
+   (value (run-mongodb-test))))
+
+%mongodb-os
-- 
2.14.1