diff --git a/test/re-frame/test/subs.cljs b/test/re-frame/test/subs.cljs
new file mode 100644
index 0000000..b4982ea
--- /dev/null
+++ b/test/re-frame/test/subs.cljs
@@ -0,0 +1,43 @@
+(ns re-frame.test.subs
+  (:require [cljs.test         :refer-macros [is deftest]]
+            [reagent.ratom     :refer-macros [reaction]]
+            [re-frame.subs     :as subs]
+            [re-frame.db       :as db]
+            [re-frame.core     :as re-frame]))
+
+
+;=====test basic subscriptions  ======
+
+(deftest test-reg-sub
+
+  (subs/register
+    :test-sub
+    (fn [db [_]] (reaction (deref db))))
+
+  (let [test-sub (subs/subscribe [:test-sub])]
+    (is (= @db/app-db @test-sub))
+    (reset! db/app-db 1)
+    (is (= 1 @test-sub))))
+
+(deftest test-chained-subs
+
+  (subs/register
+    :a-sub
+    (fn [db [_]] (reaction (:a @db))))
+
+  (subs/register
+    :b-sub
+    (fn [db [_]] (reaction (:b @db))))
+
+  (subs/register
+    :a-b-sub
+    (fn [db [_]]
+      (let [a (subs/subscribe [:a-sub])
+            b (subs/subscribe [:b-sub])]
+        (reaction {:a @a :b @b}))))
+
+  (let [test-sub (subs/subscribe [:a-b-sub])]
+    (reset! db/app-db {:a 1 :b 2})
+    (is (= {:a 1 :b 2} @test-sub))
+    (swap! db/app-db assoc :b 3)
+    (is (= {:a 1 :b 3} @test-sub))))
\ No newline at end of file
diff --git a/test/re-frame/test/test_runner.cljs b/test/re-frame/test/test_runner.cljs
index 778471b..8f64d83 100644
--- a/test/re-frame/test/test_runner.cljs
+++ b/test/re-frame/test/test_runner.cljs
@@ -1,11 +1,13 @@
 (ns re-frame.test.runner
   (:require [jx.reporter.karma :as karma :include-macros true]
             [re-frame.test.middleware]
-            [re-frame.test.undo]))
+            [re-frame.test.undo]
+            [re-frame.test.subs]))
 
 
 (defn ^:export run [karma]
   (karma/run-tests
     karma
     're-frame.test.middleware
-    're-frame.test.undo))
+    're-frame.test.undo
+    're-frame.test.subs))