X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FTSN%2FXML%2FHeartbeat.hs;h=89b91adb4605a35a1b6203c0ec2d578f0488b154;hb=8c7f33d76981a27a4fde6271dc71105b23adc5a1;hp=7c62445d1e81f22d1f7788580ceedfcd7fa2683a;hpb=ef96e8bf0cadf5d602022f8c91914d3cabeb35a0;p=dead%2Fhtsn-import.git

diff --git a/src/TSN/XML/Heartbeat.hs b/src/TSN/XML/Heartbeat.hs
index 7c62445..89b91ad 100644
--- a/src/TSN/XML/Heartbeat.hs
+++ b/src/TSN/XML/Heartbeat.hs
@@ -3,8 +3,10 @@
 -- | Handle documents defined by Heartbeat.dtd.
 --
 module TSN.XML.Heartbeat (
-  heartbeat_tests,
-  verify )
+  dtd,
+  verify,
+  -- * Tests
+  heartbeat_tests )
 where
 
 -- System imports.
@@ -26,8 +28,14 @@ import TSN.DbImport ( ImportResult(..) )
 import Xml ( pickle_unpickle, unpickleable )
 
 
+-- | The DTD to which this module corresponds.
+--
+dtd :: String
+dtd = "Heartbeat.dtd"
+
 -- | The data structure that holds the XML representation of a
 --   Heartbeat message.
+--
 data Message =
   Message {
     xml_file_id :: Int,
@@ -38,6 +46,7 @@ data Message =
 
 -- | A (un)pickler that turns a Heartbeat XML file into a 'Message'
 --   and vice-versa.
+--
 pickle_message :: PU Message
 pickle_message =
   xpElem "message" $
@@ -60,11 +69,15 @@ verify :: XmlTree -> IO ImportResult
 verify xml = do
   let root_element = unpickleDoc pickle_message xml
   return $ case root_element of
-    Nothing -> ImportFailed "Could not unpickle document in import_generic."
+    Nothing -> ImportFailed "Could not unpickle document to be verified."
     Just _  -> ImportSkipped "Heartbeat received. Thump."
 
+--
+-- Tasty Tests
+--
 
--- * Tasty Tests
+-- | A list of all tests for this module.
+--
 heartbeat_tests :: TestTree
 heartbeat_tests =
   testGroup
@@ -73,8 +86,9 @@ heartbeat_tests =
       test_unpickle_succeeds ]
 
 
--- | Warning: succeess of this test does not mean that unpickling
---   succeeded.
+-- | If we unpickle something and then pickle it, we should wind up
+--   with the same thing we started with. WARNING: success of this
+--   test does not mean that unpickling succeeded.
 --
 test_pickle_of_unpickle_is_identity :: TestTree
 test_pickle_of_unpickle_is_identity =