1 files changed, 66 insertions, 0 deletions
diff --git a/stdlib/source/test/aedifex/artifact/snapshot/version/value.lux b/stdlib/source/test/aedifex/artifact/snapshot/version/value.lux
new file mode 100644
index 000000000..dc3f754a2
--- /dev/null
+++ b/stdlib/source/test/aedifex/artifact/snapshot/version/value.lux
@@ -0,0 +1,66 @@
+(.module:
+  [lux #*
+   ["_" test (#+ Test)]
+   [abstract
+    [monad (#+ do)]
+    {[0 #spec]
+     [/
+      ["$." equivalence]]}]
+   [control
+    ["." try ("#\." functor)]
+    [parser
+     ["<.>" text]]]
+   [data
+    ["." text ("#\." equivalence)
+     ["%" format (#+ format)]]]
+   [math
+    ["." random (#+ Random) ("#\." monad)]
+    [number
+     ["n" nat]
+     ["i" int]]]
+   [time
+    ["." instant]]]
+  ["$." /// #_
+   ["#." stamp]]
+  {#program
+   ["." /
+    ["//#" ///
+     ["#." stamp]
+     ["#." time]]]})
+
+(def: #export random
+  (Random /.Value)
+  ($_ random.and
+      (random.ascii/alpha 5)
+      (random.or (random\wrap [])
+                 $///stamp.random)
+      ))
+
+(def: #export test
+  Test
+  (<| (_.covering /._)
+      (_.for [/.Value])
+      ($_ _.and
+          (_.for [/.equivalence]
+                 ($equivalence.spec /.equivalence ..random))
+
+          (do random.monad
+            [sample random
+             stamp $///stamp.random]
+            (let [version (get@ #/.version sample)
+
+                  local!
+                  (text\= version
+                          (/.format (set@ #/.snapshot #///.Local sample)))
+
+                  remote_format (/.format {#/.version (format version /.snapshot)
+                                           #/.snapshot (#///.Remote stamp)})
+                  remote!
+                  (and (text.starts_with? (format version (///time.format (get@ #///stamp.time stamp)))
+                                          remote_format)
+                       (text.ends_with? (%.nat (get@ #///stamp.build stamp))
+                                        remote_format))]
+              (_.cover [/.snapshot /.format]
+                       (and local!
+                            remote!))))
+          )))