589 lines
20 KiB
Haskell
589 lines
20 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
|
|
|
|
module Spec where
|
|
|
|
import Control.Concurrent (forkIO, threadDelay)
|
|
import Control.Exception (bracket)
|
|
import Control.Monad.IO.Class
|
|
import qualified Data.Aeson as A
|
|
import qualified Data.ByteString as B
|
|
import Data.Configurator
|
|
import Data.Either
|
|
import Data.Maybe
|
|
import Data.SecureMem
|
|
import qualified Data.Text as T
|
|
import Data.Time
|
|
import Data.Time.Calendar
|
|
import Data.Time.Clock
|
|
import Data.Time.Clock.POSIX
|
|
import Database.MongoDB
|
|
import Item
|
|
import Network.HTTP.Simple
|
|
import Network.HTTP.Types.Status
|
|
import Order
|
|
import Owner
|
|
import Payment
|
|
import System.IO.Unsafe
|
|
import Test.Hspec
|
|
import Test.Hspec.Expectations.Json
|
|
import Test.Hspec.QuickCheck
|
|
import Test.QuickCheck
|
|
import Test.QuickCheck.Gen
|
|
import Test.QuickCheck.Monadic
|
|
import User
|
|
import Web.Scotty
|
|
import ZGoBackend
|
|
import ZGoTx
|
|
|
|
main :: IO ()
|
|
main = do
|
|
putStrLn "Reading config..."
|
|
config <- load ["zgo.cfg"]
|
|
let dbName = "test"
|
|
nodeAddress <- require config "nodeAddress"
|
|
nodeUser <- require config "nodeUser"
|
|
nodePwd <- require config "nodePassword"
|
|
passkey <- secureMemFromByteString <$> require config "passkey"
|
|
hspec $ do
|
|
describe "Helper functions" $ do
|
|
describe "decodeHexText" $ do
|
|
it "converts to readable text" $ do
|
|
decodeHexText
|
|
"5a474f3a3a35643364343439342d353163302d343332642d383439352d3035303431393935376165610a5265706c792d546f3a0a7a733177366e6b616d65617a633567756a6d363933353073796c35773874677679617068756d73337077386579747a7935796d303878376476736b6d796b6b61746d777275636d67763365723865" `shouldBe`
|
|
"ZGO::5d3d4494-51c0-432d-8495-050419957aea\nReply-To:\nzs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
describe "hex strings" $ do
|
|
prop "encoding and decoding are inverse" $ \x ->
|
|
(decodeHexText . encodeHexText) x == x
|
|
describe "zToZGoTx" $ do
|
|
it "converts zcash tx to ZGo tx" $ do
|
|
let t =
|
|
ZcashTx
|
|
"someId"
|
|
0.5
|
|
50000000
|
|
1602000
|
|
18732456
|
|
False
|
|
20
|
|
"ZGO::5d3d4494-51c0-432d-8495-050419957aea\nReply-To:\nzs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
zToZGoTx t `shouldBe`
|
|
ZGoTx
|
|
Nothing
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
"5d3d4494-51c0-432d-8495-050419957aea"
|
|
20
|
|
18732456
|
|
0.5
|
|
"someId"
|
|
"ZGO::5d3d4494-51c0-432d-8495-050419957aea\nReply-To:\nzs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
describe "PIN generator" $ do
|
|
it "should give a 7 digit" $ do
|
|
length (T.unpack (unsafePerformIO generatePin)) `shouldBe` 7
|
|
describe "API endpoints" $ do
|
|
beforeAll_ (startAPI dbName passkey nodeAddress nodeUser nodePwd) $ do
|
|
describe "Price endpoint" $ do
|
|
it "returns a price for an existing currency" $ do
|
|
req <- testGet "/api/price" [("currency", Just "usd")]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "returns 204 when the currency is not supported" $ do
|
|
req <- testGet "/api/price" [("currency", Just "jpy")]
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` noContent204
|
|
describe "Countries endpoint" $ do
|
|
it "returns a list of countries" $ do
|
|
req <- testGet "/api/countries" []
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
describe "blockheight endpoint" $ do
|
|
it "returns a block number" $ do
|
|
req <- testGet "/api/blockheight" []
|
|
res <- httpJSON req
|
|
height (getResponseBody (res :: Response Block)) `shouldSatisfy` \x ->
|
|
x > 1600000
|
|
describe "User endpoint" $ do
|
|
it "returns a user for a session" $ do
|
|
req <-
|
|
testGet
|
|
"/api/user"
|
|
[("session", Just "35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcd")]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "returns 204 when no user" $ do
|
|
req <-
|
|
testGet
|
|
"/api/user"
|
|
[("session", Just "suchafak-euui-dican-eve-nbelieveitca")]
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` noContent204
|
|
it "validate with correct pin" $ do
|
|
req <-
|
|
testPost
|
|
"/api/validateuser"
|
|
[ ("session", Just "35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcd")
|
|
, ("pin", Just "1234567")
|
|
]
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` accepted202
|
|
it "deletes user by id" $ do
|
|
req <- testDelete "/api/user/" "6272a90f2b05a74cf1000001"
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` ok200
|
|
describe "Owner endpoint" $ do
|
|
prop "add owner" testOwnerAdd
|
|
it "return owner" $ do
|
|
req <-
|
|
testGet
|
|
"/api/owner"
|
|
[ ( "address"
|
|
, Just
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e")
|
|
]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
describe "Order endpoint" $ do
|
|
prop "upsert order" testOrderAdd
|
|
it "get order by session" $ do
|
|
req <-
|
|
testGet
|
|
"/api/order"
|
|
[("session", Just "35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcd")]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "get order by id" $ do
|
|
req <- testGet "/api/order/627ab3ea2b05a76be3000000" []
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "get order with wrong id" $ do
|
|
req <- testGet "/api/order/6273hrb" []
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` noContent204
|
|
it "get all orders for owner" $ do
|
|
req <- testGet "/api/allorders" [("address", Just "Zaddy")]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "delete order by id" $ do
|
|
req <- testDelete "/api/order/" "627ab3ea2b05a76be3000000"
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` ok200
|
|
describe "Item endpoint" $ do
|
|
prop "add item" testItemAdd
|
|
it "get items" $ do
|
|
req <- testGet "/api/items" [("address", Just "Zaddy")]
|
|
res <- httpJSON req
|
|
getResponseStatus (res :: Response A.Value) `shouldBe` ok200
|
|
it "delete item" $ do
|
|
req <- testDelete "/api/item/" "627d7ba92b05a76be3000003"
|
|
res <- httpLBS req
|
|
getResponseStatus res `shouldBe` ok200
|
|
around handleDb $
|
|
describe "Database actions" $ do
|
|
describe "authentication" $ do
|
|
it "should succeed with good creds" $ \p -> do
|
|
r <- liftIO $ access p master "zgo" (auth "zgo" "zcashrules")
|
|
r `shouldBe` True
|
|
it "should fail with bad creds" $ \p -> do
|
|
r <- liftIO $ access p master "zgo" (auth "user" "pwd")
|
|
r `shouldBe` False
|
|
describe "Zcash prices" $ do
|
|
it "should update" $ \p -> do
|
|
doc <- access p master "test" $ findPrice "usd"
|
|
case doc of
|
|
Nothing -> True `shouldBe` False
|
|
Just d -> do
|
|
let q = parseZGoPrice d
|
|
case q of
|
|
Nothing -> True `shouldBe` False
|
|
Just r -> do
|
|
let t1 = ZGoBackend.timestamp r
|
|
_ <- checkZcashPrices p "test"
|
|
doc2 <- access p master "test" $ findPrice "usd"
|
|
case doc2 of
|
|
Nothing -> True `shouldBe` False
|
|
Just d2 -> do
|
|
let q2 = parseZGoPrice d2
|
|
case q2 of
|
|
Nothing -> True `shouldBe` False
|
|
Just r2 -> do
|
|
let t2 = ZGoBackend.timestamp r2
|
|
t2 `shouldSatisfy` (t1 <)
|
|
describe "user is" $ do
|
|
it "validated" $ \p -> do
|
|
t <-
|
|
access p master "test" $
|
|
findOne (select ["validated" =: False] "users")
|
|
case t of
|
|
Nothing -> True `shouldBe` False
|
|
Just r -> do
|
|
let s = parseUserBson r
|
|
case s of
|
|
Nothing -> True `shouldBe` False
|
|
Just z -> do
|
|
_ <- access p master "test" $ validateUser (usession z)
|
|
q <-
|
|
access p master "test" $
|
|
findOne
|
|
(select
|
|
["validated" =: True, "session" =: usession z]
|
|
"users")
|
|
isNothing q `shouldBe` False
|
|
it "deleted" $ \p -> do
|
|
t <- access p master "test" $ findOne (select [] "users")
|
|
let s = parseUserBson =<< t
|
|
let userId = maybe Nothing u_id s
|
|
let idString = maybe "" show userId
|
|
_ <- access p master "test" $ deleteUser idString
|
|
q <-
|
|
access p master "test" $
|
|
findOne (select ["_id" =: userId] "users")
|
|
isNothing q `shouldBe` True
|
|
describe "Zcash transactions" $ do
|
|
it "logins are added to db" $ \p -> do
|
|
_ <-
|
|
access p master "test" (Database.MongoDB.delete (select [] "txs"))
|
|
_ <- scanZcash nodeAddress p "test" nodeUser nodePwd
|
|
threadDelay 1000000
|
|
t <- access p master "test" $ findOne (select [] "txs")
|
|
let s = parseZGoTxBson =<< t
|
|
let conf = maybe 0 confirmations s
|
|
conf `shouldSatisfy` (> 0)
|
|
it "payments are added to db" $ \p -> do
|
|
_ <-
|
|
access
|
|
p
|
|
master
|
|
"test"
|
|
(Database.MongoDB.delete (select [] "payments"))
|
|
_ <- scanZcash nodeAddress p "test" nodeUser nodePwd
|
|
threadDelay 1000000
|
|
t <- access p master "test" $ findOne (select [] "payments")
|
|
let s = (cast' . Doc) =<< t
|
|
let payDelta = maybe 0 pdelta s
|
|
payDelta `shouldSatisfy` (> 0)
|
|
it "owners are marked as paid" $ \p -> do
|
|
let myUser =
|
|
User
|
|
(Just (read "6272a90f2b05a74cf1000002" :: ObjectId))
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
"35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcb"
|
|
1613487
|
|
"1234567"
|
|
True
|
|
_ <-
|
|
access
|
|
p
|
|
master
|
|
"test"
|
|
(insert_
|
|
"users"
|
|
[ "address" =: uaddress myUser
|
|
, "_id" =: u_id myUser
|
|
, "session" =: usession myUser
|
|
, "blocktime" =: ublocktime myUser
|
|
, "pin" =: upin myUser
|
|
, "validated" =: uvalidated myUser
|
|
])
|
|
tstamp <- getCurrentTime
|
|
let myPay =
|
|
Payment
|
|
Nothing
|
|
86400
|
|
False
|
|
""
|
|
"35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcb"
|
|
((round . utcTimeToPOSIXSeconds) tstamp)
|
|
0.005
|
|
"myrandom123tx464id"
|
|
"coolest memo ever!"
|
|
let parsedPay = val myPay
|
|
case parsedPay of
|
|
Doc d -> do
|
|
_ <- access p master "test" (insert_ "payments" d)
|
|
_ <- checkPayments p "test"
|
|
threadDelay 1000000
|
|
t <-
|
|
access p master "test" $
|
|
findOne
|
|
(select
|
|
[ "address" =:
|
|
("zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e" :: T.Text)
|
|
]
|
|
"owners")
|
|
let s = (cast' . Doc) =<< t
|
|
let ownerPaid = maybe False opaid s
|
|
ownerPaid `shouldBe` True
|
|
_ -> True `shouldBe` False `debug` "Failed parsing payment"
|
|
it "owners are expired" $ \p -> do
|
|
_ <- expireOwners p "test"
|
|
now <- getCurrentTime
|
|
res <-
|
|
access
|
|
p
|
|
master
|
|
"test"
|
|
(rest =<<
|
|
find
|
|
(select
|
|
["expiration" =: ["$lt" =: now], "paid" =: True]
|
|
"owners"))
|
|
res `shouldBe` []
|
|
it "login txs are converted to users" $ \p -> do
|
|
let myTx =
|
|
ZGoTx
|
|
Nothing
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
"35bfb9c2-9ad2-4fe5-adda-99d63b8dcdca"
|
|
3
|
|
1613487
|
|
0.00000001
|
|
"abcdef"
|
|
"Super Memo"
|
|
_ <-
|
|
access
|
|
p
|
|
master
|
|
"test"
|
|
(Database.MongoDB.delete (select [] "users"))
|
|
_ <- access p master "test" (insert_ "txs" (encodeZGoTxBson myTx))
|
|
_ <- updateLogins nodeUser nodePwd nodeAddress p "test"
|
|
threadDelay 1000000
|
|
t <- access p master "test" $ findOne (select [] "users")
|
|
case t of
|
|
Nothing -> True `shouldBe` False
|
|
Just r -> do
|
|
let s = parseUserBson r
|
|
case s of
|
|
Nothing -> True `shouldBe` False
|
|
Just z -> length (T.unpack (usession z)) `shouldSatisfy` (> 0)
|
|
|
|
testGet :: B.ByteString -> [(B.ByteString, Maybe B.ByteString)] -> IO Request
|
|
testGet endpoint body = do
|
|
let user = "user"
|
|
let pwd = "superSecret"
|
|
let testRequest =
|
|
setRequestQueryString body $
|
|
setRequestPort 3000 $
|
|
setRequestBasicAuth user pwd $
|
|
setRequestMethod "GET" $ setRequestPath endpoint defaultRequest
|
|
return testRequest
|
|
|
|
testPost :: B.ByteString -> [(B.ByteString, Maybe B.ByteString)] -> IO Request
|
|
testPost endpoint body = do
|
|
let user = "user"
|
|
let pwd = "superSecret"
|
|
let testRequest =
|
|
setRequestQueryString body $
|
|
setRequestPort 3000 $
|
|
setRequestBasicAuth user pwd $
|
|
setRequestMethod "POST" $ setRequestPath endpoint defaultRequest
|
|
return testRequest
|
|
|
|
testPostJson :: B.ByteString -> A.Value -> IO Request
|
|
testPostJson endpoint body = do
|
|
let user = "user"
|
|
let pwd = "superSecret"
|
|
let testRequest =
|
|
setRequestBodyJSON body $
|
|
setRequestPort 3000 $
|
|
setRequestBasicAuth user pwd $
|
|
setRequestMethod "POST" $ setRequestPath endpoint defaultRequest
|
|
return testRequest
|
|
|
|
testDelete :: B.ByteString -> B.ByteString -> IO Request
|
|
testDelete endpoint par = do
|
|
let user = "user"
|
|
let pwd = "superSecret"
|
|
let testRequest =
|
|
setRequestPort 3000 $
|
|
setRequestBasicAuth user pwd $
|
|
setRequestMethod "DELETE" $
|
|
setRequestPath (B.append endpoint par) defaultRequest
|
|
return testRequest
|
|
|
|
testOwnerAdd :: Owner -> Property
|
|
testOwnerAdd o =
|
|
monadicIO $ do
|
|
req <-
|
|
run $ testPostJson "/api/owner" (A.object ["payload" A..= A.toJSON o]) --`debug` show o
|
|
res <- httpLBS req
|
|
assert $ getResponseStatus res == created201
|
|
|
|
testOrderAdd :: ZGoOrder -> Property
|
|
testOrderAdd o =
|
|
monadicIO $ do
|
|
req <-
|
|
run $ testPostJson "/api/order" (A.object ["payload" A..= A.toJSON o])
|
|
res <- httpLBS req
|
|
assert $ getResponseStatus res == created201
|
|
|
|
testItemAdd :: Item -> Property
|
|
testItemAdd i = do
|
|
monadicIO $ do
|
|
req <- run $ testPostJson "/api/item" (A.object ["payload" A..= A.toJSON i])
|
|
res <- httpLBS req
|
|
assert $ getResponseStatus res == created201
|
|
|
|
-- | Open the MongoDB connection
|
|
openDbConnection :: IO Pipe
|
|
openDbConnection = do
|
|
pipe <- connect $ host "127.0.0.1"
|
|
access pipe master "zgo" (auth "zgo" "zcashrules")
|
|
return pipe
|
|
|
|
-- | Close the MongoDB pipe
|
|
closeDbConnection :: Pipe -> IO ()
|
|
closeDbConnection = close
|
|
|
|
-- | DB handling function
|
|
handleDb :: (Pipe -> Expectation) -> IO ()
|
|
handleDb = bracket openDbConnection closeDbConnection
|
|
|
|
startAPI ::
|
|
T.Text -> SecureMem -> T.Text -> B.ByteString -> B.ByteString -> IO ()
|
|
startAPI db passkey nodeAddress nodeUser nodePwd = do
|
|
putStrLn "Starting test server ..."
|
|
pipe <- connect $ host "127.0.0.1"
|
|
c <- access pipe master "zgo" (auth "zgo" "zcashrules")
|
|
let appRoutes = routes pipe db passkey nodeAddress nodeUser nodePwd
|
|
_ <- forkIO (scotty 3000 appRoutes)
|
|
let myUser =
|
|
User
|
|
(Just (read "6272a90f2b05a74cf1000001" :: ObjectId))
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
"35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcd"
|
|
1613487
|
|
"1234567"
|
|
False
|
|
_ <-
|
|
access
|
|
pipe
|
|
master
|
|
"test"
|
|
(insert_
|
|
"users"
|
|
[ "address" =: uaddress myUser
|
|
, "_id" =: u_id myUser
|
|
, "session" =: usession myUser
|
|
, "blocktime" =: ublocktime myUser
|
|
, "pin" =: upin myUser
|
|
, "validated" =: uvalidated myUser
|
|
])
|
|
let myOwner =
|
|
Owner
|
|
(Just (read "627ad3492b05a76be3000001"))
|
|
"zs1w6nkameazc5gujm69350syl5w8tgvyaphums3pw8eytzy5ym08x7dvskmykkatmwrucmgv3er8e"
|
|
"Test shop"
|
|
"usd"
|
|
False
|
|
0
|
|
False
|
|
0
|
|
"Bubba"
|
|
"Gibou"
|
|
"bubba@zgo.cash"
|
|
"1 Main St"
|
|
"Mpls"
|
|
"Minnesota"
|
|
"55401"
|
|
""
|
|
"bubbarocks.io"
|
|
"United States"
|
|
False
|
|
False
|
|
False
|
|
(UTCTime (fromGregorian 2022 4 16) (secondsToDiffTime 0))
|
|
_ <- access pipe master "test" (Database.MongoDB.delete (select [] "owners"))
|
|
let o = val myOwner
|
|
case o of
|
|
Doc d -> access pipe master "test" (insert_ "owners" d)
|
|
_ <- access pipe master "test" (Database.MongoDB.delete (select [] "orders"))
|
|
myTs <- liftIO getCurrentTime
|
|
let myOrder =
|
|
ZGoOrder
|
|
(Just (read "627ab3ea2b05a76be3000000"))
|
|
"Zaddy"
|
|
"35bfb9c2-9ad2-4fe5-adda-99d63b8dcdcd"
|
|
myTs
|
|
False
|
|
"usd"
|
|
102.0
|
|
0
|
|
0
|
|
[]
|
|
False
|
|
let ordTest = val myOrder
|
|
case ordTest of
|
|
Doc oT -> access pipe master "test" (insert_ "orders" oT)
|
|
let myItem1 =
|
|
Item
|
|
(Just (read "627d7ba92b05a76be3000003"))
|
|
"Chair"
|
|
"Made of wood"
|
|
"Zaddy"
|
|
101.99
|
|
let itemTest = val myItem1
|
|
case itemTest of
|
|
Doc iT -> access pipe master "test" (insert_ "items" iT)
|
|
threadDelay 1000000
|
|
putStrLn "Test server is up!"
|
|
|
|
--QuickCheck instances
|
|
instance Arbitrary ZGoOrder where
|
|
arbitrary = do
|
|
i <- arbitrary
|
|
a <- arbitrary
|
|
s <- arbitrary
|
|
ts <- arbitrary
|
|
c <- arbitrary
|
|
cur <- arbitrary
|
|
p <- arbitrary
|
|
t <- arbitrary
|
|
tZ <- arbitrary
|
|
l <- arbitrary
|
|
ZGoOrder i a s ts c cur p t tZ l <$> arbitrary
|
|
|
|
instance Arbitrary LineItem where
|
|
arbitrary = do
|
|
i <- arbitrary
|
|
q <- arbitrary
|
|
LineItem i q <$> arbitrary
|
|
|
|
instance Arbitrary ObjectId where
|
|
arbitrary = do
|
|
x <- arbitrary
|
|
Oid x <$> arbitrary
|
|
|
|
instance Arbitrary Owner where
|
|
arbitrary = do
|
|
i <- arbitrary
|
|
a <- arbitrary
|
|
n <- arbitrary
|
|
c <- arbitrary
|
|
t <- arbitrary
|
|
tV <- arbitrary
|
|
v <- arbitrary
|
|
vV <- arbitrary
|
|
f <- arbitrary
|
|
l <- arbitrary
|
|
e <- arbitrary
|
|
s <- arbitrary
|
|
ct <- arbitrary
|
|
st <- arbitrary
|
|
p <- arbitrary
|
|
ph <- arbitrary
|
|
w <- arbitrary
|
|
co <- arbitrary
|
|
paid <- arbitrary
|
|
zats <- arbitrary
|
|
inv <- arbitrary
|
|
--exp <- arbitrary
|
|
Owner i a n c t tV v vV f l e s ct st p ph w co paid zats inv <$> arbitrary
|
|
|
|
instance Arbitrary Item where
|
|
arbitrary = do
|
|
i <- arbitrary
|
|
n <- arbitrary
|
|
d <- arbitrary
|
|
o <- arbitrary
|
|
Item i n d o <$> arbitrary
|