updated tests and added README, based on review feedback.

janet/test/gilded-rose.janet

@@ -1,10 +1,7 @@
-(import ../gilded-rose/main)
+(import ../src/main :as shop)
 (use judge)
 
 (do
-  (def items 
-    [@{ :name "foo" :quality 3 :sell-in 5}
-     @{ :name "bar" :quality 6 :sell-in 6}])
-  (main/update-quality items)
-  (def found (find |(= ($ :quality) 2) items))
-  (test (found :name) "fixme"))
+  (def items [(shop/item "foo" 0 0)])
+  (shop/update-quality items)
+  (test ((first items) :name) "fixme"))

janet/test/texttest.janet

@@ -0,0 +1,22 @@
+(import ../src/main :as shop)
+
+(defn get-items []
+  [ (shop/item "+5 Dexterity Vest" 20 10) 
+    (shop/item "Aged Brie" 0 2)
+    (shop/item "Elixir of the Mongoose" 7 5)
+    (shop/item "Sulfuras, Hand of Ragnaros" 80 0)
+    (shop/item "Sulfuras, Hand of Ragnaros" 80 -1)
+    (shop/item "Backstage passes to a TAFKAL80ETC concert" 20 15)
+    (shop/item "Backstage passes to a TAFKAL80ETC concert" 49 10)
+    (shop/item "Backstage passes to a TAFKAL80ETC concert" 49 5)
+    (shop/item "Conjured Mana Cake" 6 3)])
+
+# judge allows for snapshot testing of stdout, much like the texttest tool. 
+# So something like the following would create a janet-native test of the output of shop/run:
+#
+# (test-stdout (shop/run 30 (get-items)))
+
+(defn main [& args]
+    (def num-days (scan-number (or (get args 1) "-1")))
+    (def items (get-items)) 
+    (shop/run num-days items))