graphql-engine/server/src-test/Hasura/Server/MigrateSpec.hs

98 lines
3.8 KiB
Haskell

{-# LANGUAGE UndecidableInstances #-}
module Hasura.Server.MigrateSpec (CacheRefT(..), spec) where
import Hasura.Prelude
import Control.Concurrent.MVar.Lifted
import Control.Monad.Trans.Control (MonadBaseControl)
import Control.Monad.Unique
import Control.Natural ((:~>) (..))
import Data.Time.Clock (getCurrentTime)
import Data.Tuple (swap)
import Test.Hspec.Core.Spec
import Test.Hspec.Expectations.Lifted
import qualified Database.PG.Query as Q
import Hasura.RQL.DDL.Metadata (ClearMetadata (..),
runClearMetadata)
import Hasura.RQL.DDL.Schema
import Hasura.RQL.Types
import Hasura.Server.Migrate
import Hasura.Server.PGDump
newtype CacheRefT m a
= CacheRefT { runCacheRefT :: MVar (RebuildableSchemaCache m) -> m a }
deriving
( Functor, Applicative, Monad, MonadIO, MonadError e, MonadBase b, MonadBaseControl b
, MonadTx, MonadUnique, UserInfoM, HasHttpManager, HasSQLGenCtx )
via (ReaderT (MVar (RebuildableSchemaCache m)) m)
instance MonadTrans CacheRefT where
lift = CacheRefT . const
instance (MonadBase IO m) => TableCoreInfoRM (CacheRefT m)
instance (MonadBase IO m) => CacheRM (CacheRefT m) where
askSchemaCache = CacheRefT (fmap lastBuiltSchemaCache . readMVar)
instance (MonadIO m, MonadBaseControl IO m, MonadTx m, MonadUnique m) => CacheRWM (CacheRefT m) where
buildSchemaCacheWithOptions options = CacheRefT $ flip modifyMVar \schemaCache ->
swap <$> runCacheRWT schemaCache (buildSchemaCacheWithOptions options)
invalidateCachedRemoteSchema name = CacheRefT $ flip modifyMVar \schemaCache ->
swap <$> runCacheRWT schemaCache (invalidateCachedRemoteSchema name)
instance Example (CacheRefT m ()) where
type Arg (CacheRefT m ()) = CacheRefT m :~> IO
evaluateExample m params action = evaluateExample (action ($$ m)) params ($ ())
type SpecWithCache m = SpecWith (CacheRefT m :~> IO)
singleTransaction :: CacheRefT m () -> CacheRefT m ()
singleTransaction = id
spec
:: ( MonadIO m
, MonadBaseControl IO m
, MonadTx m
, MonadUnique m
, UserInfoM m
, HasHttpManager m
, HasSQLGenCtx m
)
=> Q.ConnInfo -> SpecWithCache m
spec pgConnInfo = do
let dropAndInit time = CacheRefT $ flip modifyMVar \_ ->
dropCatalog *> (swap <$> migrateCatalog time)
describe "migrateCatalog" $ do
it "initializes the catalog" $ singleTransaction do
(dropAndInit =<< liftIO getCurrentTime) `shouldReturn` MRInitialized
it "is idempotent" \(NT transact) -> do
let dumpSchema = transact $
execPGDump (PGDumpReqBody ["--schema-only"] (Just False)) pgConnInfo
time <- getCurrentTime
transact (dropAndInit time) `shouldReturn` MRInitialized
firstDump <- dumpSchema
transact (dropAndInit time) `shouldReturn` MRInitialized
secondDump <- dumpSchema
secondDump `shouldBe` firstDump
describe "recreateSystemMetadata" $ do
let dumpMetadata = execPGDump (PGDumpReqBody ["--schema=hdb_catalog"] (Just False)) pgConnInfo
it "is idempotent" \(NT transact) -> do
(transact . dropAndInit =<< getCurrentTime) `shouldReturn` MRInitialized
firstDump <- transact dumpMetadata
transact recreateSystemMetadata
secondDump <- transact dumpMetadata
secondDump `shouldBe` firstDump
it "does not create any objects affected by ClearMetadata" \(NT transact) -> do
(transact . dropAndInit =<< getCurrentTime) `shouldReturn` MRInitialized
firstDump <- transact dumpMetadata
transact (runClearMetadata ClearMetadata) `shouldReturn` successMsg
secondDump <- transact dumpMetadata
secondDump `shouldBe` firstDump