+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE GADTs #-}
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE TypeFamilies #-}
+
-- | GameInfo represents a collection of DTDs that we don't really
-- handle but want to make available. The raw XML gets stored in the
-- database along with the XML_File_ID, but we don't parse any of it.
-- See also: TSN.XML.SportInfo
--
module TSN.XML.GameInfo (
- dtds )
+ dtds,
+ game_info_tests,
+ parse_xml,
+ -- * WARNING: these are private but exported to silence warnings
+ GameInfoConstructor(..) )
where
--- | The DTDs for everything that we consider "Game Info."
+-- System imports.
+import Data.Either ( rights )
+import Data.String.Utils ( replace )
+import Data.Time.Clock ( UTCTime )
+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.DbImport (
+ DbImport(..),
+ ImportResult(..),
+ run_dbmigrate )
+import TSN.Parse (
+ parse_message,
+ parse_xmlfid,
+ parse_xml_time_stamp )
+import Xml ( unsafe_read_document )
+
+
+-- | 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
"Matchup_NBA_NHL_XML.dtd",
"mlbpreviewxml.dtd",
"MLB_Gaming_Matchup_XML.dtd",
- "MLB.dtd",
"MLB_Lineup_XML.dtd",
"MLB_Matchup_XML.dtd",
"MLS_Preview_XML.dtd",
"NBA_Gaming_Matchup_XML.dtd",
- "NBA.dtd",
"NBA_Playoff_Matchup_XML.dtd",
"NBALineupXML.dtd",
"nbapreviewxml.dtd",
"nhlpreviewxml.dtd",
"recapxml.dtd",
"WorldBaseballPreviewXML.dtd" ]
+
+
+-- | This serves as both the database and XML representation of a
+-- GameInfo \<message\>.
+--
+data GameInfo =
+ GameInfo {
+ dtd :: String,
+ xml_file_id :: Int,
+ time_stamp :: UTCTime,
+ xml :: String }
+ deriving (Eq, Show)
+
+
+-- | Attempt to parse a 'GameInfo' from an 'XmlTree'. If we cannot,
+-- we fail with an error 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 $ GameInfo dtdname (fromInteger xmlfid) timestamp (xshow [message])
+
+--
+-- Database code
+--
+
+instance DbImport GameInfo where
+ dbmigrate _ =
+ run_dbmigrate $ migrate (undefined :: GameInfo)
+
+ -- | We import a 'GameInfo' by inserting the whole thing at
+ -- once. Nothing fancy going on here.
+ dbimport msg = do
+ insert_ msg
+ return ImportSucceeded
+
+
+-- | The database schema for GameInfo is trivial; all we need is for
+-- the XML_File_ID to be unique.
+--
+mkPersist defaultCodegenConfig [groundhog|
+- entity: GameInfo
+ dbName: game_info
+ constructors:
+ - name: GameInfo
+ uniques:
+ - name: unique_game_info
+ type: constraint
+ # Prevent multiple imports of the same message.
+ 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 15:13:00 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 $
+ migrate (undefined :: GameInfo)
+ mapM_ dbimport msgs
+ countAll (undefined :: GameInfo)
+
+ actual @?= expected
+ where
+ expected = length game_info_test_files
projects / dead / htsn-import.git / blobdiff