diff --git a/test/wanijo/framework/form_test.clj b/test/wanijo/framework/form_test.clj
new file mode 100644
index 0000000..cd9e043
--- /dev/null
+++ b/test/wanijo/framework/form_test.clj
@@ -0,0 +1,29 @@
+(ns wanijo.framework.form-test
+  (:require [clojure.test :refer :all]
+            [wanijo.framework.form :refer [form-data]]))
+
+(deftest test-form-data
+  (testing "no from-req is given"
+    (let [def {:fields {:name {:label ""
+                               :required false
+                               :spec :a}}}]
+      (is (= {:name "a"}
+             (form-data def {:params {:name "a"}})))
+      (is (= {:name nil}
+             (form-data def {:params {}})))))
+  (testing "from-req is called"
+    (let [def {:fields {:name {:label ""
+                               :required false
+                               :spec :a
+                               :from-req #(str "foo" %)}}}]
+      (is (= {:name "foo"}
+             (form-data def {:params {}})))
+      (is (= {:name "fooa"}
+             (form-data def {:params {:name "a"}})))))
+  (testing "type conversion"
+    (let [def {:fields {:name {:label ""
+                               :required false
+                               :spec :a
+                               :from-req bigint}}}]
+      (is (= {:name 5}
+             (form-data def {:params {:name 5}}))))))