Added postgres-embedded for tests

Author: ilya-murzinov

.travis.yml

@@ -6,6 +6,7 @@ cache:
   directories:
     - $HOME/.cabsnap
     - $HOME/.cabal/packages
+    - $HOME/.postgres-embedded
 
 before_cache:
   - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
@@ -15,16 +16,16 @@ matrix:
   include:
     - env: CABALVER=1.16 GHCVER=7.6.3
       compiler: ": #GHC 7.6.3"
-      addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3], sources: [hvr-ghc]}, postgresql: "9.3"}
+      addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3], sources: [hvr-ghc]}}
     - env: CABALVER=1.18 GHCVER=7.8.4
       compiler: ": #GHC 7.8.4"
-      addons: { apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}, postgresql: "9.3"}
+      addons: { apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}}
     - env: CABALVER=1.22 GHCVER=7.10.2
       compiler: ": #GHC 7.10.2"
-      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.2], sources: [hvr-ghc]}, postgresql: "9.3"}
+      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.2], sources: [hvr-ghc]}}
     - env: CABALVER=1.24 GHCVER=8.0.1
       compiler: ": #GHC 8.0.1"
-      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}, postgresql: "9.3"}
+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}
 
 before_install:
  - unset CC

postgresql-simple.cabal

@@ -129,6 +129,7 @@ test-suite test
                , text
                , time
                , vector
+               , postgres-embedded >= 0.1.7 && <0.2
 
   if !impl(ghc >= 7.6)
     build-depends:

test/Main.hs

@@ -4,6 +4,7 @@
 {-# LANGUAGE DoAndIfThenElse #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 import Common
+import Database.PostgreSQL.Embedded
 import Database.PostgreSQL.Simple.FromField (FromField)
 import Database.PostgreSQL.Simple.Types(Query(..),Values(..))
 import Database.PostgreSQL.Simple.HStore
@@ -469,7 +470,7 @@ isSyntaxError SqlError{..} = sqlState == "42601"
 -- Note that some tests, such as Notify, use multiple connections, and assume
 -- that 'testConnect' connects to the same database every time it is called.
 testConnect :: IO Connection
-testConnect = connectPostgreSQL ""
+testConnect = connectPostgreSQL "host=127.0.0.1 user=postgres dbname=postgres port=46782"
 
 withTestEnv :: (TestEnv -> IO a) -> IO a
 withTestEnv cb =
@@ -482,4 +483,10 @@ withTestEnv cb =
     withConn = bracket testConnect close
 
 main :: IO ()
-main = withTestEnv $ defaultMain . tests
+main = do
+    let sConfig = StartupConfig True (Version "9.6.5-1")
+    let dConfig = DBConfig 46782 "postgres"
+    rc <- startPostgres sConfig dConfig
+    withTestEnv $ defaultMain . tests
+    stopPostgres rc
+    return ()