{-# LANGUAGE OverloadedStrings, ExtendedDefaultRules, ScopedTypeVariables #-} {-# OPTIONS_GHC -fno-warn-type-defaults #-} module QuerySpec (spec) where import TestImport import Control.Exception import qualified Data.List as L import qualified Data.Text as T testDBName :: Database testDBName = "mongodb-haskell-test" db :: Action IO a -> IO a db action = do pipe <- connect (host "127.0.0.1") result <- access pipe master testDBName action close pipe return result withCleanDatabase :: ActionWith () -> IO () withCleanDatabase action = dropDB >> action () >> dropDB >> return () where dropDB = db $ dropDatabase testDBName insertDuplicateWith :: (Collection -> [Document] -> Action IO a) -> IO () insertDuplicateWith testInsert = do _id <- db $ insert "team" ["name" =: "Dodgers", "league" =: "American"] _ <- db $ testInsert "team" [ ["name" =: "Yankees", "league" =: "American"] -- Try to insert document with duplicate key , ["name" =: "Dodgers", "league" =: "American", "_id" =: _id] , ["name" =: "Indians", "league" =: "American"] ] return () spec :: Spec spec = around withCleanDatabase $ do describe "useDb" $ do it "changes the db" $ do let anotherDBName = "another-mongodb-haskell-test" db thisDatabase `shouldReturn` testDBName db (useDb anotherDBName thisDatabase) `shouldReturn` anotherDBName describe "insert" $ do it "inserts a document to the collection and returns its _id" $ do _id <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"] result <- db $ rest =<< find (select [] "team") result `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "American"]] describe "insert_" $ do it "inserts a document to the collection and doesn't return _id" $ do _id <- db $ insert_ "team" ["name" =: "Yankees", "league" =: "American"] db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1 _id `shouldBe` () describe "insertMany" $ do it "inserts documents to the collection and returns their _ids" $ do (_id1:_id2:_) <- db $ insertMany "team" [ ["name" =: "Yankees", "league" =: "American"] , ["name" =: "Dodgers", "league" =: "American"] ] result <- db $ rest =<< find (select [] "team") result `shouldBe` [ ["_id" =: _id1, "name" =: "Yankees", "league" =: "American"] , ["_id" =: _id2, "name" =: "Dodgers", "league" =: "American"] ] context "Insert a document with duplicating key" $ do before (insertDuplicateWith insertMany `catch` \(_ :: Failure) -> return ()) $ do it "inserts documents before it" $ db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1 it "doesn't insert documents after it" $ db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 0 it "raises exception" $ insertDuplicateWith insertMany `shouldThrow` anyException -- TODO No way to call getLastError? describe "insertMany_" $ do it "inserts documents to the collection and returns nothing" $ do ids <- db $ insertMany_ "team" [ ["name" =: "Yankees", "league" =: "American"] , ["name" =: "Dodgers", "league" =: "American"] ] ids `shouldBe` () context "Insert a document with duplicating key" $ do before (insertDuplicateWith insertMany_ `catch` \(_ :: Failure) -> return ()) $ do it "inserts documents before it" $ db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1 it "doesn't insert documents after it" $ db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 0 it "raises exception" $ insertDuplicateWith insertMany_ `shouldThrow` anyException describe "insertAll" $ do it "inserts documents to the collection and returns their _ids" $ do (_id1:_id2:_) <- db $ insertAll "team" [ ["name" =: "Yankees", "league" =: "American"] , ["name" =: "Dodgers", "league" =: "American"] ] result <- db $ rest =<< find (select [] "team") result `shouldBe` [["_id" =: _id1, "name" =: "Yankees", "league" =: "American"] ,["_id" =: _id2, "name" =: "Dodgers", "league" =: "American"] ] context "Insert a document with duplicating key" $ do before (insertDuplicateWith insertAll `catch` \(_ :: Failure) -> return ()) $ do it "inserts all documents which can be inserted" $ do db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1 db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 1 it "raises exception" $ insertDuplicateWith insertAll `shouldThrow` anyException describe "insertAll_" $ do it "inserts documents to the collection and returns their _ids" $ do ids <- db $ insertAll_ "team" [ ["name" =: "Yankees", "league" =: "American"] , ["name" =: "Dodgers", "league" =: "American"] ] ids `shouldBe` () context "Insert a document with duplicating key" $ do before (insertDuplicateWith insertAll_ `catch` \(_ :: Failure) -> return ()) $ do it "inserts all documents which can be inserted" $ do db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1 db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 1 it "raises exception" $ insertDuplicateWith insertAll_ `shouldThrow` anyException describe "insertAll_" $ do it "inserts documents and receives 100 000 of them" $ do let docs = (flip map) [0..200000] $ \i -> ["name" =: (T.pack $ "name " ++ (show i))] db $ insertAll_ "bigCollection" docs db $ do cur <- find $ (select [] "bigCollection") {limit = 100000, batchSize = 100000} returnedDocs <- rest cur liftIO $ (length returnedDocs) `shouldBe` 100000 describe "rest" $ do it "returns all documents from the collection" $ do let docs = (flip map) [0..6000] $ \i -> ["name" =: (T.pack $ "name " ++ (show i))] collectionName = "smallCollection" db $ insertAll_ collectionName docs db $ do cur <- find $ (select [] collectionName) returnedDocs <- rest cur liftIO $ (length returnedDocs) `shouldBe` 6001 describe "allCollections" $ do it "returns all collections in a database" $ do _ <- db $ insert "team1" ["name" =: "Yankees", "league" =: "American"] _ <- db $ insert "team2" ["name" =: "Yankees", "league" =: "American"] _ <- db $ insert "team3" ["name" =: "Yankees", "league" =: "American"] collections <- db $ allCollections liftIO $ (L.sort collections) `shouldContain` ["team1", "team2", "team3"] describe "aggregate" $ do it "aggregates to normalize and sort documents" $ do db $ insertAll_ "users" [ ["_id" =: "jane", "joined" =: parseDate "2011-03-02", "likes" =: ["golf", "racquetball"]] , ["_id" =: "joe", "joined" =: parseDate "2012-07-02", "likes" =: ["tennis", "golf", "swimming"]] , ["_id" =: "jill", "joined" =: parseDate "2013-11-17", "likes" =: ["cricket", "golf"]] ] result <- db $ aggregate "users" [ ["$project" =: ["name" =: ["$toUpper" =: "$_id"], "_id" =: 0]] , ["$sort" =: ["name" =: 1]] ] result `shouldBe` [["name" =: "JANE"], ["name" =: "JILL"], ["name" =: "JOE"]]