--
module TSN.XML.GameInfo (
dtds,
+ game_info_tests,
parse_xml,
-- * WARNING: these are private but exported to silence warnings
GameInfoConstructor(..) )
where
-- System imports.
+import Data.Either ( rights )
+import Data.String.Utils ( replace )
import Data.Time.Clock ( UTCTime )
-import Database.Groundhog ( migrate )
+import Database.Groundhog (
+ countAll,
+ insert_,
+ migrate,
+ runMigration,
+ silentMigrationLogger )
+import Database.Groundhog.Generic ( runDbConn )
+import Database.Groundhog.Sqlite ( withSqliteConn )
import Database.Groundhog.TH (
+ defaultCodegenConfig,
groundhog,
mkPersist )
+import Test.Tasty ( TestTree, testGroup )
+import Test.Tasty.HUnit ( (@?=), testCase )
import Text.XML.HXT.Core ( XmlTree )
import Text.XML.HXT.DOM.ShowXml ( xshow )
-- Local imports.
-import TSN.Codegen ( tsn_codegen_config )
-import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate )
+import TSN.DbImport (
+ DbImport(..),
+ ImportResult(..),
+ run_dbmigrate )
import TSN.Parse (
parse_message,
parse_xmlfid,
parse_xml_time_stamp )
-import TSN.XmlImport ( XmlImport(..) )
-import Xml (
- FromXml(..),
- ToDb(..) )
+import Xml ( unsafe_read_document )
--- | The DTDs for everything that we consider "Game Info."
+
+-- | The DTDs for everything that we consider \"Game Info.\"
--
-- TODO: This is the list from the old implementation. We need to
-- make sure that we are really receiving XML for these DTDs
--
dtds :: [String]
dtds =
- [ "CBASK_Lineup_XML.dtd", -- missing DTD
- "cbaskpreviewxml.dtd", -- missing DTD
- "cflpreviewxml.dtd", -- missing DTD
- "Matchup_NBA_NHL_XML.dtd", -- missing DTD
+ [ "CBASK_Lineup_XML.dtd",
+ "cbaskpreviewxml.dtd",
+ "cflpreviewxml.dtd",
+ "Matchup_NBA_NHL_XML.dtd",
"mlbpreviewxml.dtd",
"MLB_Gaming_Matchup_XML.dtd",
- "MLB.dtd", -- missing DTD
"MLB_Lineup_XML.dtd",
"MLB_Matchup_XML.dtd",
"MLS_Preview_XML.dtd",
"NBA_Gaming_Matchup_XML.dtd",
- "NBA.dtd", -- missing DTD
"NBA_Playoff_Matchup_XML.dtd",
"NBALineupXML.dtd",
"nbapreviewxml.dtd",
- "NCAA_FB_Preview_XML.dtd", -- missing DTD
- "nflpreviewxml.dtd", -- missing DTD
- "NFL_NCAA_FB_Matchup_XML.dtd", -- missing DTD
+ "NCAA_FB_Preview_XML.dtd",
+ "nflpreviewxml.dtd",
+ "NFL_NCAA_FB_Matchup_XML.dtd",
"nhlpreviewxml.dtd",
"recapxml.dtd",
- "WorldBaseballPreviewXML.dtd" -- missing DTD
- ]
+ "WorldBaseballPreviewXML.dtd" ]
--- | XML representation of a GameInfo \<message\>.
+-- | This serves as both the database and XML representation of a
+-- GameInfo \<message\>.
--
-data Message =
- Message {
- xml_dtd :: String,
- xml_xml_file_id :: Int,
- xml_time_stamp :: UTCTime,
- xml_xml :: String }
+data GameInfo =
+ GameInfo {
+ dtd :: String,
+ xml_file_id :: Int,
+ time_stamp :: UTCTime,
+ xml :: String }
deriving (Eq, Show)
--- | Attempt to parse a 'Message' from an 'XmlTree'. If we cannot,
+-- | Attempt to parse a 'GameInfo' from an 'XmlTree'. If we cannot,
-- we fail with an error message.
--
-parse_xml :: String -> XmlTree -> Either String Message
+parse_xml :: String -> XmlTree -> Either String GameInfo
parse_xml dtdname xmltree = do
xmlfid <- parse_xmlfid xmltree
timestamp <- parse_xml_time_stamp xmltree
message <- parse_message xmltree
- return $ Message dtdname (fromInteger xmlfid) timestamp (xshow [message])
-
-
--- | Database representation of a 'Message'.
---
-data GameInfo =
- GameInfo {
- db_dtd :: String,
- db_xml_file_id :: Int,
- db_time_stamp :: UTCTime,
- db_xml :: String }
-
-
-instance ToDb Message where
- -- | The database analogue of a 'Message' is an 'GameInfo'.
- type Db Message = GameInfo
-
-instance FromXml Message where
- -- | The XML to DB conversion is trivial here.
- --
- from_xml Message{..} = GameInfo {
- db_dtd = xml_dtd,
- db_xml_file_id = xml_xml_file_id,
- db_time_stamp = xml_time_stamp,
- db_xml = xml_xml }
-
-
--- | This allows us to insert the XML representation 'Message'
--- directly.
---
-instance XmlImport Message
-
+ return $ GameInfo dtdname (fromInteger xmlfid) timestamp (xshow [message])
--
-- Database code
--
-instance DbImport Message where
+instance DbImport GameInfo where
dbmigrate _ =
run_dbmigrate $ migrate (undefined :: GameInfo)
- -- | We import a 'Message' by inserting the whole thing at
+ -- | We import a 'GameInfo' by inserting the whole thing at
-- once. Nothing fancy going on here.
dbimport msg = do
- insert_xml_ msg
+ insert_ msg
return ImportSucceeded
-mkPersist tsn_codegen_config [groundhog|
+
+-- | The database schema for GameInfo is trivial; all we need is for
+-- the XML_File_ID to be unique.
+--
+mkPersist defaultCodegenConfig [groundhog|
- entity: GameInfo
constructors:
- name: GameInfo
- name: unique_game_info
type: constraint
# Prevent multiple imports of the same message.
- fields: [db_xml_file_id]
+ fields: [xml_file_id]
|]
+
+
+--
+-- Tasty Tests
+--
+
+-- | A list of all tests for this module.
+--
+game_info_tests :: TestTree
+game_info_tests =
+ testGroup
+ "GameInfo tests"
+ [ test_accessors,
+ test_parse_xml_succeeds,
+ test_dbimport_succeeds ]
+
+
+-- | Make sure the accessors work and that we can parse one file. Ok,
+-- so the real point of this is to make the unused fields (dtd, xml,
+-- ...) warning go away without having to mangle the groundhog code.
+--
+test_accessors :: TestTree
+test_accessors = testCase "we can access a parsed game_info" $ do
+ xmltree <- unsafe_read_document "test/xml/gameinfo/recapxml.xml"
+ let Right t = parse_xml "recapxml.dtd" xmltree
+ let a1 = dtd t
+ let ex1 = "recapxml.dtd"
+ let a2 = xml_file_id t
+ let ex2 = 21201550
+ let a3 = show $ time_stamp t
+ let ex3 = "2014-05-31 20:13:00 UTC"
+ let a4 = take 9 (xml t)
+ let ex4 = "<message>"
+ let actual = (a1,a2,a3,a4)
+ let expected = (ex1,ex2,ex3,ex4)
+ actual @?= expected
+
+
+-- | Sample XML documents for GameInfo types.
+--
+game_info_test_files :: [FilePath]
+game_info_test_files =
+ map (change_suffix . add_path) dtds
+ where
+ add_path = ("test/xml/gameinfo/" ++ )
+ change_suffix = replace ".dtd" ".xml"
+
+-- | Make sure we can parse every element of 'game_info_test_files'.
+--
+test_parse_xml_succeeds :: TestTree
+test_parse_xml_succeeds =
+ testGroup "parse_xml" $ map check game_info_test_files
+ where
+ check t = testCase t $ do
+ x <- unsafe_read_document t
+ let result = parse_xml "dummy" x
+ let actual = case result of -- isRight appears in base-4.7
+ Left _ -> False
+ Right _ -> True
+ let expected = True
+ actual @?= expected
+
+
+-- | Ensure that each element of 'game_info_test_files' can be imported
+-- by counting the total number of database records (after
+-- importing) and comparing it against the length of
+-- 'game_info_test_files'.
+--
+test_dbimport_succeeds :: TestTree
+test_dbimport_succeeds = testCase "dbimport succeeds" $ do
+ xmltrees <- mapM unsafe_read_document game_info_test_files
+ let msgs = rights $ map (parse_xml "dummy") xmltrees
+ actual <- withSqliteConn ":memory:" $ runDbConn $ do
+ runMigration silentMigrationLogger $ do
+ migrate (undefined :: GameInfo)
+ mapM_ dbimport msgs
+ countAll (undefined :: GameInfo)
+
+ actual @?= expected
+ where
+ expected = length game_info_test_files