hw-json-0.0.0.1: test/HaskellWorks/Data/Json/Succinct/CursorSpec.hs
{-# LANGUAGE ExplicitForAll #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE InstanceSigs #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# OPTIONS_GHC -fno-warn-missing-signatures #-}
module HaskellWorks.Data.Json.Succinct.CursorSpec(spec) where
import qualified Data.ByteString as BS
import Data.String
import qualified Data.Vector.Storable as DVS
import Data.Word
import HaskellWorks.Data.Bits.BitShow
import HaskellWorks.Data.Bits.BitShown
import HaskellWorks.Data.Bits.BitWise
import HaskellWorks.Data.FromForeignRegion
import HaskellWorks.Data.Json.Succinct.Cursor as C
import HaskellWorks.Data.Json.Token
import HaskellWorks.Data.Succinct.BalancedParens.Internal
import HaskellWorks.Data.Succinct.BalancedParens.Simple
import HaskellWorks.Data.Succinct.RankSelect.Binary.Basic.Rank0
import HaskellWorks.Data.Succinct.RankSelect.Binary.Basic.Rank1
import HaskellWorks.Data.Succinct.RankSelect.Binary.Basic.Select1
import HaskellWorks.Data.Succinct.RankSelect.Binary.Poppy512
import qualified HaskellWorks.Data.TreeCursor as TC
import System.IO.MMap
import Test.Hspec
{-# ANN module ("HLint: ignore Redundant do" :: String) #-}
{-# ANN module ("HLint: ignore Reduce duplication" :: String) #-}
{-# ANN module ("HLint: redundant bracket" :: String) #-}
fc = TC.firstChild
ns = TC.nextSibling
pn = TC.parent
cd = TC.depth
ss = TC.subtreeSize
spec :: Spec
spec = describe "HaskellWorks.Data.Json.Succinct.CursorSpec" $ do
describe "Cursor for [Bool]" $ do
it "initialises to beginning of empty object" $ do
let cursor = "{}" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorObject
it "initialises to beginning of empty object preceded by spaces" $ do
let cursor = " {}" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorObject
it "initialises to beginning of number" $ do
let cursor = "1234" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorNumber
it "initialises to beginning of string" $ do
let cursor = "\"Hello\"" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorString
it "initialises to beginning of array" $ do
let cursor = "[]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorArray
it "initialises to beginning of boolean true" $ do
let cursor = "true" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorBool
it "initialises to beginning of boolean false" $ do
let cursor = "false" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorBool
it "initialises to beginning of null" $ do
let cursor = "null" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType cursor `shouldBe` JsonCursorNull
it "cursor can navigate to first child of array" $ do
let cursor = "[null]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType (fc cursor) `shouldBe` JsonCursorNull
it "cursor can navigate to second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType ((ns . fc) cursor) `shouldBe` JsonCursorObject
it "cursor can navigate to first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType ((fc . ns . fc) cursor) `shouldBe` JsonCursorString
it "cursor can navigate to first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
jsonCursorType ((ns . fc . ns . fc) cursor) `shouldBe` JsonCursorNumber
it "depth at top" $ do
let cursor = "[null]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
cd cursor `shouldBe` 1
it "depth at first child of array" $ do
let cursor = "[null]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
cd (fc cursor) `shouldBe` 2
it "depth at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
cd ((ns . fc) cursor) `shouldBe` 2
it "depth at first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
cd ((fc . ns . fc) cursor) `shouldBe` 3
it "depth at first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor String (BitShown [Bool]) (SimpleBalancedParens [Bool])
cd ((ns . fc . ns . fc) cursor) `shouldBe` 3
genSpec "DVS.Vector Word8" (undefined :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word8)) (SimpleBalancedParens (DVS.Vector Word8)))
genSpec "DVS.Vector Word16" (undefined :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word16)) (SimpleBalancedParens (DVS.Vector Word16)))
genSpec "DVS.Vector Word32" (undefined :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word32)) (SimpleBalancedParens (DVS.Vector Word32)))
genSpec "DVS.Vector Word64" (undefined :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word64)) (SimpleBalancedParens (DVS.Vector Word64)))
genSpec "Poppy512" (undefined :: JsonCursor BS.ByteString Poppy512 (SimpleBalancedParens (DVS.Vector Word64)))
it "Loads same Json consistentally from different backing vectors" $ do
let cursor8 = "{\n \"widget\": {\n \"debug\": \"on\" } }" :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word8)) (SimpleBalancedParens (DVS.Vector Word8))
let cursor16 = "{\n \"widget\": {\n \"debug\": \"on\" } }" :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word16)) (SimpleBalancedParens (DVS.Vector Word16))
let cursor32 = "{\n \"widget\": {\n \"debug\": \"on\" } }" :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word32)) (SimpleBalancedParens (DVS.Vector Word32))
let cursor64 = "{\n \"widget\": {\n \"debug\": \"on\" } }" :: JsonCursor BS.ByteString (BitShown (DVS.Vector Word64)) (SimpleBalancedParens (DVS.Vector Word64))
cursorText cursor8 `shouldBe` cursorText cursor16
cursorText cursor8 `shouldBe` cursorText cursor32
cursorText cursor8 `shouldBe` cursorText cursor64
let ic8 = bitShow $ interests cursor8
let ic16 = bitShow $ interests cursor16
let ic32 = bitShow $ interests cursor32
let ic64 = bitShow $ interests cursor64
ic16 `shouldBeginWith` ic8
ic32 `shouldBeginWith` ic16
ic64 `shouldBeginWith` ic32
shouldBeginWith :: (Eq a, Show a) => [a] -> [a] -> IO ()
shouldBeginWith as bs = take (length bs) as `shouldBe` bs
genSpec :: forall t u.
( Eq t
, Show t
, Select1 t
, Eq u
, Show u
, Rank0 u
, Rank1 u
, BalancedParens u
, TestBit u
, FromForeignRegion (JsonCursor BS.ByteString t u)
, IsString (JsonCursor BS.ByteString t u)
, HasJsonCursorType (JsonCursor BS.ByteString t u))
=> String -> (JsonCursor BS.ByteString t u) -> SpecWith ()
genSpec t _ = do
describe ("Cursor for (" ++ t ++ ")") $ do
it "initialises to beginning of empty object" $ do
let cursor = "{}" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorObject
it "initialises to beginning of empty object preceded by spaces" $ do
let cursor = " {}" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorObject
it "initialises to beginning of number" $ do
let cursor = "1234" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorNumber
it "initialises to beginning of string" $ do
let cursor = "\"Hello\"" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorString
it "initialises to beginning of array" $ do
let cursor = "[]" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorArray
it "initialises to beginning of boolean true" $ do
let cursor = "true" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorBool
it "initialises to beginning of boolean false" $ do
let cursor = "false" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorBool
it "initialises to beginning of null" $ do
let cursor = "null" :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorNull
it "cursor can navigate to first child of array" $ do
let cursor = "[null]" :: JsonCursor BS.ByteString t u
jsonCursorType (fc cursor) `shouldBe` JsonCursorNull
it "cursor can navigate to second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
jsonCursorType ((ns . fc) cursor) `shouldBe` JsonCursorObject
it "cursor can navigate to first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
jsonCursorType ((fc . ns . fc) cursor) `shouldBe` JsonCursorString
it "cursor can navigate to first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
jsonCursorType ((ns . fc . ns . fc) cursor) `shouldBe` JsonCursorNumber
it "depth at top" $ do
let cursor = "[null]" :: JsonCursor BS.ByteString t u
cd cursor `shouldBe` 1
it "depth at first child of array" $ do
let cursor = "[null]" :: JsonCursor BS.ByteString t u
cd (fc cursor) `shouldBe` 2
it "depth at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
cd ((ns . fc) cursor) `shouldBe` 2
it "depth at first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
cd ((fc . ns . fc) cursor) `shouldBe` 3
it "depth at first child of object at second child of array" $ do
let cursor = "[null, {\"field\": 1}]" :: JsonCursor BS.ByteString t u
cd ((ns . fc . ns . fc) cursor) `shouldBe` 3
it "can navigate down and forwards" $ do
(fptr, offset, size) <- mmapFileForeignPtr "test/data/sample.json" ReadOnly Nothing
let cursor = fromForeignRegion (fptr, offset, size) :: JsonCursor BS.ByteString t u
jsonCursorType cursor `shouldBe` JsonCursorObject
jsonCursorType (( fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . fc) cursor) `shouldBe` JsonCursorObject
jsonCursorType (( fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorObject
jsonCursorType (( fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType (( ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorString
jsonCursorType ((ns . ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` JsonCursorNumber
it "can navigate up" $ do
(fptr, offset, size) <- mmapFileForeignPtr "test/data/sample.json" ReadOnly Nothing
let cursor = fromForeignRegion (fptr, offset, size) :: JsonCursor BS.ByteString t u
( pn . fc) cursor `shouldBe` cursor
( pn . ns . fc) cursor `shouldBe` cursor
( pn . fc . ns . fc) cursor `shouldBe` ( ns . fc) cursor
( pn . ns . fc . ns . fc) cursor `shouldBe` ( ns . fc) cursor
( pn . ns . ns . fc . ns . fc) cursor `shouldBe` ( ns . fc) cursor
( pn . ns . ns . ns . fc . ns . fc) cursor `shouldBe` ( ns . fc) cursor
( pn . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
( pn . ns . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
( pn . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
( pn . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
( pn . ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
( pn . ns . ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor `shouldBe` (ns . ns . ns . fc . ns . fc) cursor
it "can get subtree size" $ do
(fptr, offset, size) <- mmapFileForeignPtr "test/data/sample.json" ReadOnly Nothing
let cursor = fromForeignRegion (fptr, offset, size) :: JsonCursor BS.ByteString t u
ss cursor `shouldBe` 45
ss (( fc) cursor) `shouldBe` 1
ss (( ns . fc) cursor) `shouldBe` 43
ss (( fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 9
ss (( fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss (( ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
ss ((ns . ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` 1
it "can get token at cursor" $ do
(fptr, offset, size) <- mmapFileForeignPtr "test/data/sample.json" ReadOnly Nothing
let cursor = fromForeignRegion (fptr, offset, size) :: JsonCursor BS.ByteString t u
jsonTokenAt cursor `shouldBe` Just (JsonTokenBraceL )
jsonTokenAt (( fc) cursor) `shouldBe` Just (JsonTokenString "widget" )
jsonTokenAt (( ns . fc) cursor) `shouldBe` Just (JsonTokenBraceL )
jsonTokenAt (( fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "debug" )
jsonTokenAt (( ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "on" )
jsonTokenAt (( ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "window" )
jsonTokenAt (( ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenBraceL )
jsonTokenAt (( fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "title" )
jsonTokenAt (( ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "Sample Konfabulator Widget")
jsonTokenAt (( ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "name" )
jsonTokenAt (( ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "main_window" )
jsonTokenAt (( ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenString "width" )
jsonTokenAt ((ns . ns . ns . ns . ns . fc . ns . ns . ns . fc . ns . fc) cursor) `shouldBe` Just (JsonTokenNumber 500.0 )