Very basic Leiningen serve function

src/ring/server/leiningen.clj

@@ -0,0 +1,14 @@
+(ns ring.server.leiningen
+  "Functions to start a server from a Leiningen plugin."
+  (:require [ring.server.standalone :as standalone]))
+
+(defn- load-var [sym]
+  (require (-> sym namespace symbol))
+  (find-var sym))
+
+(defn serve
+  "Start a server from a Leiningen project map."
+  [project]
+  (standalone/serve
+   (load-var (-> project :ring :handler))
+   {:join? false, :open-browser? false}))

test/ring/server/test/leiningen.clj

@@ -0,0 +1,12 @@
+(ns ring.server.test.leiningen
+  (:use clojure.test
+        ring.server.leiningen
+        ring.server.test.utils))
+
+(def project-clj
+  `{:ring {:handler default-handler}})
+
+(deftest serve-test
+  (testing "basic project.clj"
+    (with-server (serve project-clj)
+      (is-server-running-on-port 3000))))

test/ring/server/test/standalone.clj

@@ -1,35 +1,17 @@
 (ns ring.server.test.standalone 
-  (:require [clj-http.client :as http])
   (:use clojure.test
         ring.server.standalone
+        ring.server.test.utils
         ring.util.environment
         ring.util.response))
 
-(defmacro with-server [server & body]
-  `(let [server# ~server]
-     (try
-       ~@body
-       (finally (.stop server#)))))
-
-(defn default-handler [req]
-  (response "Hello World"))
-
-(defn error-handler [req]
+(defn exception-handler [req]
   (throw (Exception. "testing")))
 
 (defn test-server [& [{:as options}]]
   (let [handler (:handler options default-handler)]
     (serve handler (merge {:join? false, :open-browser? false} options))))
 
-(defn http-get [port uri]
-  (http/get (str "http://localhost:" port uri)
-            {:conn-timeout 1000
-             :throw-exceptions false}))
-
-(defn is-server-running-on-port [port] 
-  (let [resp (http-get port "")]
-    (is (= (:status resp) 200))))
-
 (deftest serve-test
   (testing "default port"
     (with-server (test-server)
@@ -63,6 +45,6 @@
       (is @ran-destroy?)))
 
   (testing "default middleware"
-    (with-server (test-server {:handler error-handler})
+    (with-server (test-server {:handler exception-handler})
       (let [body (:body (http-get 3000 ""))]
         (is (re-find #"java\.lang\.Exception: testing" body))))))

test/ring/server/test/utils.clj

@@ -0,0 +1,23 @@
+(ns ring.server.test.utils
+  "Utility functions for running unit tests"
+  (:require [clj-http.client :as http])
+  (:use clojure.test
+        ring.util.response))
+
+(defmacro with-server [server & body]
+  `(let [server# ~server]
+     (try
+       ~@body
+       (finally (.stop server#)))))
+
+(defn default-handler [req]
+  (response "Hello World"))
+
+(defn http-get [port uri]
+  (http/get (str "http://localhost:" port uri)
+            {:conn-timeout 1000
+             :throw-exceptions false}))
+
+(defn is-server-running-on-port [port] 
+  (let [resp (http-get port "")]
+    (is (= (:status resp) 200))))