Add some tests for the ON DELETE CASCADE behavior.

[dead/htsn-import.git] / src / TSN / XML / InjuriesDetail.hs

diff --git a/src/TSN/XML/InjuriesDetail.hs b/src/TSN/XML/InjuriesDetail.hs
index 995101de618d875cd0828554c947061b24ab98b9..e5d572e7a504f37f0ed994d1c495bfd55bc41407 100644 (file)
--- a/src/TSN/XML/InjuriesDetail.hs
+++ b/src/TSN/XML/InjuriesDetail.hs
@@ -28,7 +28,13 @@ import Data.Time ( UTCTime )
 import Data.Tuple.Curry ( uncurryN )
 import Database.Groundhog (
   DefaultKey,
-  migrate )
+  countAll,
+  executeRaw,
+  migrate,
+  runMigration,
+  silentMigrationLogger )
+import Database.Groundhog.Generic ( runDbConn )
+import Database.Groundhog.Sqlite ( withSqliteConn )
 import Database.Groundhog.TH (
   groundhog,
   mkPersist )
@@ -57,7 +63,8 @@ import Xml (
   FromXmlFk(..),
   ToDb(..),
   pickle_unpickle,
-  unpickleable )
+  unpickleable,
+  unsafe_unpickle )
 
 
 --
@@ -388,7 +395,8 @@ injuries_detail_tests :: TestTree
 injuries_detail_tests =
   testGroup
     "InjuriesDetail tests"
-    [ test_pickle_of_unpickle_is_identity,
+    [ test_on_delete_cascade,
+      test_pickle_of_unpickle_is_identity,
       test_unpickle_succeeds ]
 
 
@@ -423,3 +431,35 @@ test_unpickle_succeeds = testGroup "unpickle tests"
       actual <- unpickleable path pickle_message
       let expected = True
       actual @?= expected
+
+
+-- | Make sure everything gets deleted when we delete the top-level
+--   record.
+--
+test_on_delete_cascade :: TestTree
+test_on_delete_cascade = testGroup "cascading delete tests"
+  [ check "delete of injuries_detail deletes its children"
+          "test/xml/Injuries_Detail_XML.xml",
+
+    check "delete of injuries_detail deletes its children (non-int team_id)"
+          "test/xml/Injuries_Detail_XML-noninteger-team-id.xml" ]
+  where
+    check desc path = testCase desc $ do
+      inj <- unsafe_unpickle path pickle_message
+      let a = undefined :: InjuriesDetail
+      let b = undefined :: InjuriesDetailListing
+      let c = undefined :: InjuriesDetailListingPlayerListing
+      actual <- withSqliteConn ":memory:" $ runDbConn $ do
+                  runMigration silentMigrationLogger $ do
+                    migrate a
+                    migrate b
+                    migrate c
+                  _ <- dbimport inj
+                  -- No idea how 'delete' works, so do this instead.
+                  executeRaw False "DELETE FROM injuries_detail;" []
+                  count_a <- countAll a
+                  count_b <- countAll b
+                  count_c <- countAll c
+                  return $ count_a + count_b + count_c
+      let expected = 0
+      actual @?= expected