mongodb/test/QuerySpec.hs

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{-# LANGUAGE OverloadedStrings, ExtendedDefaultRules, ScopedTypeVariables #-}
{-# OPTIONS_GHC -fno-warn-type-defaults #-}
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module QuerySpec (spec) where
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import TestImport
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import Control.Exception
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import qualified Data.Text as T
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testDBName :: Database
testDBName = "mongodb-haskell-test"
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db :: Action IO a -> IO a
db action = do
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pipe <- connect (host "127.0.0.1")
result <- access pipe master testDBName action
close pipe
return result
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withCleanDatabase :: ActionWith () -> IO ()
withCleanDatabase action = dropDB >> action () >> dropDB >> return ()
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where
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dropDB = db $ dropDatabase testDBName
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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 ()
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spec :: Spec
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spec = around withCleanDatabase $ do
describe "useDb" $ do
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it "changes the db" $ do
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let anotherDBName = "another-mongodb-haskell-test"
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db thisDatabase `shouldReturn` testDBName
db (useDb anotherDBName thisDatabase) `shouldReturn` anotherDBName
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describe "insert" $ do
it "inserts a document to the collection and returns its _id" $ do
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_id <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
result <- db $ rest =<< find (select [] "team")
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result `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "American"]]
describe "insert_" $ do
it "inserts a document to the collection and doesn't return _id" $ do
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_id <- db $ insert_ "team" ["name" =: "Yankees", "league" =: "American"]
db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1
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_id `shouldBe` ()
describe "insertMany" $ do
it "inserts documents to the collection and returns their _ids" $ do
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(_id1:_id2:_) <- db $ insertMany "team" [ ["name" =: "Yankees", "league" =: "American"]
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, ["name" =: "Dodgers", "league" =: "American"]
]
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result <- db $ rest =<< find (select [] "team")
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result `shouldBe` [ ["_id" =: _id1, "name" =: "Yankees", "league" =: "American"]
, ["_id" =: _id2, "name" =: "Dodgers", "league" =: "American"]
]
context "Insert a document with duplicating key" $ do
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before (insertDuplicateWith insertMany `catch` \(_ :: Failure) -> return ()) $ do
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it "inserts documents before it" $
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db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1
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it "doesn't insert documents after it" $
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db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 0
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it "raises exception" $
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insertDuplicateWith insertMany `shouldThrow` anyException
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-- TODO No way to call getLastError?
describe "insertMany_" $ do
it "inserts documents to the collection and returns nothing" $ do
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ids <- db $ insertMany_ "team" [ ["name" =: "Yankees", "league" =: "American"]
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, ["name" =: "Dodgers", "league" =: "American"]
]
ids `shouldBe` ()
context "Insert a document with duplicating key" $ do
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before (insertDuplicateWith insertMany_ `catch` \(_ :: Failure) -> return ()) $ do
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it "inserts documents before it" $
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db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1
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it "doesn't insert documents after it" $
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db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 0
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it "raises exception" $
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insertDuplicateWith insertMany_ `shouldThrow` anyException
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describe "insertAll" $ do
it "inserts documents to the collection and returns their _ids" $ do
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(_id1:_id2:_) <- db $ insertAll "team" [ ["name" =: "Yankees", "league" =: "American"]
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, ["name" =: "Dodgers", "league" =: "American"]
]
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result <- db $ rest =<< find (select [] "team")
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result `shouldBe` [["_id" =: _id1, "name" =: "Yankees", "league" =: "American"]
,["_id" =: _id2, "name" =: "Dodgers", "league" =: "American"]
]
context "Insert a document with duplicating key" $ do
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before (insertDuplicateWith insertAll `catch` \(_ :: Failure) -> return ()) $ do
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it "inserts all documents which can be inserted" $ do
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db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1
db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 1
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it "raises exception" $
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insertDuplicateWith insertAll `shouldThrow` anyException
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describe "insertAll_" $ do
it "inserts documents to the collection and returns their _ids" $ do
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ids <- db $ insertAll_ "team" [ ["name" =: "Yankees", "league" =: "American"]
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, ["name" =: "Dodgers", "league" =: "American"]
]
ids `shouldBe` ()
context "Insert a document with duplicating key" $ do
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before (insertDuplicateWith insertAll_ `catch` \(_ :: Failure) -> return ()) $ do
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it "inserts all documents which can be inserted" $ do
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db (count $ select ["name" =: "Yankees", "league" =: "American"] "team") `shouldReturn` 1
db (count $ select ["name" =: "Indians", "league" =: "American"] "team") `shouldReturn` 1
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it "raises exception" $
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insertDuplicateWith insertAll_ `shouldThrow` anyException
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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
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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"]]