purescript-postgresql-client/test/Main.purs
2018-10-21 03:20:58 +02:00

273 lines
9.2 KiB
Haskell

module Test.Main
( main
) where
import Prelude
import Control.Monad.Error.Class (catchError, throwError, try)
import Control.Monad.Free (Free)
import Data.Array (zip)
import Data.Date (Date, canonicalDate)
import Data.DateTime.Instant (Instant, unInstant)
import Data.Decimal as D
import Data.Either (isLeft)
import Data.Enum (toEnum)
import Data.Foldable (all, length)
import Data.JSDate (JSDate, jsdate, toInstant)
import Data.JSDate as JSDate
import Data.Maybe (Maybe(..), fromJust)
import Data.Newtype (unwrap)
import Data.Tuple (Tuple(..))
import Data.Tuple.Nested ((/\))
import Database.PostgreSQL (Connection, PoolConfiguration, Query(Query), Row0(Row0), Row1(Row1), Row2(Row2), Row3(Row3), Row9(Row9), command, execute, newPool, query, scalar, withConnection, withTransaction)
import Effect (Effect)
import Effect.Aff (Aff, error, launchAff)
import Effect.Class (liftEffect)
import Foreign.Object (Object, fromFoldable)
import Math ((%))
import Partial.Unsafe (unsafePartial)
import Test.Assert (assert)
import Test.Example (run) as Example
import Test.Unit (TestF, suite)
import Test.Unit as Test.Unit
import Test.Unit.Assert (equal)
import Test.Unit.Main (runTest)
withRollback
a
. Connection
Aff a
Aff Unit
withRollback conn action = do
execute conn (Query "BEGIN TRANSACTION") Row0
catchError (action >>= const rollback) (\e -> rollback >>= const (throwError e))
where
rollback = execute conn (Query "ROLLBACK") Row0
test
a
. Connection
String
Aff a
Free TestF Unit
test conn t a = Test.Unit.test t (withRollback conn a)
now Effect Instant
now = unsafePartial $ (fromJust <<< toInstant) <$> JSDate.now
date Int Int Int Date
date y m d = unsafePartial $ fromJust $ canonicalDate <$> toEnum y <*> toEnum m <*> toEnum d
jsdate_ Number Number Number Number Number Number Number JSDate
jsdate_ year month day hour minute second millisecond =
jsdate { year, month, day, hour, minute, second, millisecond }
main Effect Unit
main = do
void $ launchAff do
-- Running guide from README
Example.run
-- Acctual test suite
pool <- newPool config
withConnection pool \conn -> do
execute conn (Query """
CREATE TEMPORARY TABLE foods (
name text NOT NULL,
delicious boolean NOT NULL,
price NUMERIC(4,2) NOT NULL,
added TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (name)
);
CREATE TEMPORARY TABLE dates (
date date NOT NULL
);
CREATE TEMPORARY TABLE timestamps (
timestamp timestamptz NOT NULL
);
CREATE TEMPORARY TABLE jsons (
json json NOT NULL,
jsonb jsonb NOT NULL
);
""") Row0
liftEffect $ runTest $ do
suite "Postgresql client" $ do
let
testCount n = do
count <- scalar conn (Query """
SELECT count(*) = $1
FROM foods
""") (Row1 n)
liftEffect <<< assert $ count == Just true
Test.Unit.test "transaction commit" $ do
withTransaction conn do
execute conn (Query """
INSERT INTO foods (name, delicious, price)
VALUES ($1, $2, $3)
""") (Row3 "pork" true (D.fromString "8.30"))
testCount 1
testCount 1
execute conn (Query """
DELETE FROM foods
""") Row0
Test.Unit.test "transaction rollback" $ do
_ <- try $ withTransaction conn do
execute conn (Query """
INSERT INTO foods (name, delicious, price)
VALUES ($1, $2, $3)
""") (Row3 "pork" true (D.fromString "8.30"))
testCount 1
throwError $ error "fail"
testCount 0
test conn "usage of rows represented by nested tuples" $ do
execute conn (Query """
INSERT INTO foods (name, delicious, price)
VALUES ($1, $2, $3), ($4, $5, $6), ($7, $8, $9)
""")
( "pork" /\ true /\ (D.fromString "8.30")
/\ "sauerkraut" /\ false /\ (D.fromString "3.30")
/\ "rookworst" /\ true /\ (D.fromString "5.60"))
names <- query conn (Query """
SELECT name, delicious
FROM foods
WHERE delicious
ORDER BY name ASC
""") Row0
liftEffect <<< assert $ names == ["pork" /\ true, "rookworst" /\ true]
let
insertFood =
execute conn (Query """
INSERT INTO foods (name, delicious, price)
VALUES ($1, $2, $3), ($4, $5, $6), ($7, $8, $9)
""") (Row9
"pork" true (D.fromString "8.30")
"sauerkraut" false (D.fromString "3.30")
"rookworst" true (D.fromString "5.60"))
test conn "select column subset" $ do
insertFood
names <- query conn (Query """
SELECT name, delicious
FROM foods
WHERE delicious
ORDER BY name ASC
""") Row0
liftEffect <<< assert $ names == [Row2 "pork" true, Row2 "rookworst" true]
test conn "delete returning columns subset" $ do
insertFood
deleted <- query conn (Query """
DELETE FROM foods
WHERE delicious
RETURNING name, delicious
""") Row0
liftEffect <<< assert $ deleted == [Row2 "pork" true, Row2 "rookworst" true]
test conn "delete returning command tag value" $ do
insertFood
deleted <- command conn (Query """
DELETE FROM foods
WHERE delicious
""") Row0
liftEffect <<< assert $ deleted == 2
test conn "handling instant value" $ do
before <- liftEffect $ (unwrap <<< unInstant) <$> now
insertFood
added <- query conn (Query """
SELECT added
FROM foods
""") Row0
after <- liftEffect $ (unwrap <<< unInstant) <$> now
-- | timestamps are fetched without milliseconds so we have to
-- | round before value down
liftEffect <<< assert $ all
(\(Row1 t) ->
( unwrap $ unInstant t) >= (before - before % 1000.0)
&& after >= (unwrap $ unInstant t))
added
test conn "handling decimal value" $ do
insertFood
sauerkrautPrice <- query conn (Query """
SELECT price
FROM foods
WHERE NOT delicious
""") Row0
liftEffect <<< assert $ sauerkrautPrice == [Row1 (D.fromString "3.30")]
test conn "constraint failure" $ do
withTransaction conn $ do
result <- try $ execute conn (Query """
INSERT INTO foods (name)
VALUES ($1)
""") (Row1 "pork")
liftEffect <<< assert $ isLeft result
testCount 0
test conn "handling date value" $ do
let
d1 = date 2010 2 31
d2 = date 2017 2 1
d3 = date 2020 6 31
execute conn (Query """
INSERT INTO dates (date)
VALUES ($1), ($2), ($3)
""") (Row3 d1 d2 d3)
(dates :: Array (Row1 Date)) <- query conn (Query """
SELECT *
FROM dates
ORDER BY date ASC
""") Row0
equal 3 (length dates)
liftEffect <<< assert $ all (\(Tuple (Row1 r) e) -> e == r) $ (zip dates [d1, d2, d3])
test conn "handling json and jsonb value" $ do
let jsonIn = fromFoldable [Tuple "a" 1, Tuple "a" 2, Tuple "2" 3]
let expected = fromFoldable [Tuple "a" 2, Tuple "2" 3]
execute conn (Query """
INSERT INTO jsons (json, jsonb)
VALUES ($1, $2)
""") (Row2 jsonIn jsonIn)
(js Array (Row2 (Object Int) (Object Int))) <- query conn (Query """SELECT * FROM JSONS""") Row0
liftEffect $ assert $ all (\(Row2 j1 j2) j1 == expected && expected == j2) js
test conn "handling jsdate value" $ do
let
jsd1 = jsdate_ 2010.0 2.0 31.0 6.0 23.0 1.0 123.0
jsd2 = jsdate_ 2017.0 2.0 1.0 12.0 59.0 42.0 999.0
jsd3 = jsdate_ 2020.0 6.0 31.0 23.0 3.0 59.0 333.0
execute conn (Query """
INSERT INTO timestamps (timestamp)
VALUES ($1), ($2), ($3)
""") (Row3 jsd1 jsd2 jsd3)
(timestamps :: Array (Row1 JSDate)) <- query conn (Query """
SELECT *
FROM timestamps
ORDER BY timestamp ASC
""") Row0
equal 3 (length timestamps)
liftEffect <<< assert $ all (\(Tuple (Row1 r) e) -> e == r) $ (zip timestamps [jsd1, jsd2, jsd3])
config :: PoolConfiguration
config =
{ user: Nothing
, password: Nothing
, host: Nothing
, port: Nothing
, database: "purspg"
, max: Nothing
, idleTimeoutMillis: Just 1000
}