Introduce monger.core/authenticate

.travis.yml

@@ -1 +1,2 @@
 language: clojure
+before_script: ./bin/ci/before_script.sh

bin/ci/before_script.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# MongoDB Java driver won't run authentication twice on the same DB instance,
+# so we need to use multiple DBs.
+mongo --eval 'db.addUser("clojurewerkz/monger", "monger")' monger-test
+mongo --eval 'db.addUser("clojurewerkz/monger", "monger")' monger-test2
+mongo --eval 'db.addUser("clojurewerkz/monger", "monger")' monger-test3
+mongo --eval 'db.addUser("clojurewerkz/monger", "monger")' monger-test4

src/monger/core.clj

@@ -66,6 +66,14 @@
      (.getDB connection name)))
 
 
+(defn authenticate
+  ([^String db ^String username ^chars password]
+     (authenticate *mongodb-connection* db username password))
+  ([^Mongo connection ^String db ^String username ^chars password]
+     (.authenticate (.getDB connection db) username password)))
+
+
+
 (defmacro with-connection
   [conn & body]
   `(binding [*mongodb-connection* ~conn]

test/monger/test/authentication.clj

@@ -0,0 +1,19 @@
+(ns monger.test.authentication
+  (:require [monger core util]
+            [monger.test.helper :as helper])
+  (:use [clojure.test]))
+
+(helper/connect!)
+
+
+
+(deftest test-authentication-with-valid-credentials
+  ;; see ./bin/ci/before_script.sh. MK.
+  (let [username "clojurewerkz/monger"
+        pwd      "monger"]
+    (is (monger.core/authenticate "monger-test" username (.toCharArray pwd)))))
+
+(deftest test-authentication-with-invalid-credentials
+  (let [username    "monger"
+        ^String pwd (monger.util/random-str 128 32)]
+    (is (not (monger.core/authenticate "monger-test2" username (.toCharArray pwd))))))

test/monger/test/helper.clj

@@ -13,4 +13,5 @@
     (do
       (monger.core/connect!)
       (monger.core/set-db! (monger.core/get-db "monger-test"))
-      (monger.core/set-default-write-concern! WriteConcern/SAFE))))
+      (monger.core/set-default-write-concern! WriteConcern/SAFE)
+      (reset! connected true))))