thrift/lib/hs/test/BinarySpec.hs

92 lines
3.0 KiB
Haskell

--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you under the Apache License, Version 2.0 (the
-- "License"); you may not use this file except in compliance
-- with the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing,
-- software distributed under the License is distributed on an
-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-- KIND, either express or implied. See the License for the
-- specific language governing permissions and limitations
-- under the License.
--
module BinarySpec where
import Test.Hspec
import Test.Hspec.QuickCheck (prop)
import qualified Data.ByteString.Lazy as LBS
import qualified Data.ByteString.Lazy.Char8 as C
import Thrift.Types
import Thrift.Transport
import Thrift.Transport.Memory
import Thrift.Protocol
import Thrift.Protocol.Binary
spec :: Spec
spec = do
describe "BinaryProtocol" $ do
describe "double" $ do
it "writes in big endian order" $ do
let val = 2 ** 53
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
writeVal proto (TDouble val)
bin <- tRead trans 8
(LBS.unpack bin) `shouldBe`[67, 64, 0, 0, 0, 0, 0, 0]
it "reads in big endian order" $ do
let bin = LBS.pack [67, 64, 0, 0, 0, 0, 0, 0]
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
tWrite trans bin
val <- readVal proto T_DOUBLE
val `shouldBe` (TDouble $ 2 ** 53)
prop "round trip" $ \val -> do
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
writeVal proto $ TDouble val
val2 <- readVal proto T_DOUBLE
val2 `shouldBe` (TDouble val)
describe "string" $ do
it "writes" $ do
let val = C.pack "aaa"
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
writeVal proto (TString val)
bin <- tRead trans 7
(LBS.unpack bin) `shouldBe` [0, 0, 0, 3, 97, 97, 97]
describe "binary" $ do
it "writes" $ do
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
writeVal proto (TBinary $ LBS.pack [42, 43, 44])
bin <- tRead trans 100
(LBS.unpack bin) `shouldBe` [0, 0, 0, 3, 42, 43, 44]
it "reads" $ do
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
tWrite trans $ LBS.pack [0, 0, 0, 3, 42, 43, 44]
val <- readVal proto (T_BINARY)
val `shouldBe` (TBinary $ LBS.pack [42, 43, 44])
prop "round trip" $ \val -> do
trans <- openMemoryBuffer
let proto = BinaryProtocol trans
writeVal proto (TBinary $ LBS.pack val)
val2 <- readVal proto (T_BINARY)
val2 `shouldBe` (TBinary $ LBS.pack val)