Files
postgrest/test/Unit/PgQuerySpec.hs
T
2014-09-29 15:52:01 -07:00

58 lines
2.3 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
module Unit.PgQuerySpec where
import Test.Hspec
import Database.HDBC (IConnection, SqlValue, toSql, fromSql, prepare, execute,
seState, fetchAllRowsAL, quickQuery)
import PgQuery (insert, addUser)
import Types (SqlRow(SqlRow))
import TestTypes (fromList, incStr, incNullableStr, incInsert, incId)
import Data.Map (toList)
import Data.String.Conversions (cs)
import Control.Arrow
import SpecHelper(dbWithSchema)
quickALQuery :: IConnection conn => conn -> String -> [SqlValue] -> IO [[(String, SqlValue)]]
quickALQuery conn q bind = do
sth <- prepare conn q
_ <- execute sth bind
fetchAllRowsAL sth
spec :: Spec
spec = around dbWithSchema $ do
describe "insert" $
describe "with an auto-increment key" $ do
it "inserts and responds with a full object description" $ \conn -> do
r <- insert "1" "auto_incrementing_pk" (SqlRow [
("non_nullable_string", toSql ("a string"::String))]) conn
let returnRow = fromList . toList $ r
incStr returnRow `shouldBe` "a string"
incNullableStr returnRow `shouldBe` Nothing
incInsert returnRow `shouldSatisfy` not . null
incId returnRow `shouldSatisfy` (>= 0)
tRows <- quickALQuery conn "select * from \"1\".auto_incrementing_pk" []
[returnRow] `shouldBe` map fromList tRows
it "throws an exception if the PK is not unique" $ \conn -> do
r <- insert "1" "auto_incrementing_pk" (SqlRow [
("non_nullable_string", toSql ("a string"::String))]) conn
let row = SqlRow . map (Control.Arrow.first cs) . toList $ r
insert "1" "auto_incrementing_pk" row conn `shouldThrow` \e ->
seState e == "23505" -- uniqueness violation code
it "throws an exception if a required value is missing" $ \conn -> do
insert "1" "auto_incrementing_pk" (SqlRow [
("nullable_string", toSql ("a string"::String))]) conn
`shouldThrow` \e -> seState e == "23502"
describe "addUser" $ do
it "adds a correct user to the right table" $ \conn -> do
let {key = "a sill key"; role = "test_default_role"}
addUser key role conn
[newUser] <- quickQuery conn "select * from dbapi.auth" []
(map fromSql newUser :: [String]) `shouldBe` [key, role]