2 files changed, 32 insertions, 2 deletions
diff --git a/stdlib/source/spec/lux/world/program.lux b/stdlib/source/spec/lux/world/program.lux
new file mode 100644
index 000000000..1d09908bf
--- /dev/null
+++ b/stdlib/source/spec/lux/world/program.lux
@@ -0,0 +1,31 @@
+(.module:
+  [lux #*
+   ["_" test (#+ Test)]
+   [abstract
+    [monad (#+ do)]]
+   [control
+    ["." try]
+    [concurrency
+     ["." promise (#+ Promise)]]]
+   [data
+    ["." text]
+    [collection
+     ["." dictionary]
+     ["." list]]]
+   [math
+    ["." random]]]
+  {1
+   ["." /]})
+
+(def: #export (spec subject)
+  (-> (/.Program Promise) Test)
+  (do random.monad
+    [exit random.int]
+    (wrap (do promise.monad
+            [environment (\ subject environment [])
+             directory (\ subject directory [])]
+            (_.cover' [/.Program]
+                      (and (not (dictionary.empty? environment))
+                           (list.every? (|>> text.empty? not)
+                                        (dictionary.keys environment))
+                           (not (text.empty? directory))))))))
diff --git a/stdlib/source/spec/lux/world/shell.lux b/stdlib/source/spec/lux/world/shell.lux
index 27ccf321c..b6aa282d4 100644
--- a/stdlib/source/spec/lux/world/shell.lux
+++ b/stdlib/source/spec/lux/world/shell.lux
@@ -10,7 +10,7 @@
     [concurrency
      ["." promise (#+ Promise)]]
     [parser
-     ["." environment]]]
+     ["." environment (#+ Environment)]]]
    [data
     ["." product]
     ["." text ("#\." equivalence)
@@ -23,7 +23,6 @@
   {1
    ["." /
     [//
-     [environment (#+ Environment)]
      [file (#+ Path)]]]})
 
 (template [<name> <command> <type> <prep>]