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{-# LANGUAGE TemplateHaskell #-}

{-| Unittests for the DRBD Parser -}

{-

Copyright (C) 2012 Google Inc.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful, but

WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301, USA.

-}

module Test.Ganeti.Block.Drbd.Parser (testBlock_Drbd_Parser) where

import Test.QuickCheck as QuickCheck hiding (Result)

import Test.HUnit

import Test.Ganeti.TestHelper

import Test.Ganeti.TestCommon

import qualified Data.Attoparsec.Text as A

import Data.List (intercalate)

import Data.Text (pack)

import Ganeti.Block.Drbd.Parser (drbdStatusParser, commaIntParser)

import Ganeti.Block.Drbd.Types

{-# ANN module "HLint: ignore Use camelCase" #-}

-- | Test a DRBD 8.0 file with an empty line inside.

case_drbd80_emptyline :: Assertion

case_drbd80_emptyline = testParser (drbdStatusParser [])

  "proc_drbd80-emptyline.txt" $ DRBDStatus

    ( VersionInfo (Just "8.0.12") (Just "86") (Just "86") Nothing

        (Just "5c9f89594553e32adb87d9638dce591782f947e3")

        (Just "root@node1.example.com, 2009-05-22 12:47:52")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 78728316 0 77675644 1277039 254 270 0 0 0 0

          Nothing Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 65657 135 0 0 135)

        (Just $ AdditionalInfo 0 257 11378843 254 0 0 254)

        Nothing,

      UnconfiguredDevice 1,

      UnconfiguredDevice 2,

      UnconfiguredDevice 5,

      UnconfiguredDevice 6

    ]

-- | Test a DRBD 8.0 file with an empty version.

case_drbd80_emptyversion :: Assertion

case_drbd80_emptyversion = testParser (drbdStatusParser [])

  "proc_drbd80-emptyversion.txt" $ DRBDStatus

    ( VersionInfo Nothing Nothing Nothing Nothing

        (Just "5c9f89594553e32adb87d9638dce591782f947e3")

        (Just "root@node1.example.com, 2009-05-22 12:47:52")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 78728316 0 77675644 1277039 254 270 0 0 0 0

          Nothing Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 65657 135 0 0 135)

        (Just $ AdditionalInfo 0 257 11378843 254 0 0 254)

        Nothing,

      UnconfiguredDevice 1,

      UnconfiguredDevice 2,

      UnconfiguredDevice 5,

      UnconfiguredDevice 6

    ]

-- | Test a DRBD 8.4 file with an ongoing synchronization.

case_drbd84_sync :: Assertion

case_drbd84_sync = testParser (drbdStatusParser []) "proc_drbd84_sync.txt" $

  DRBDStatus

    ( VersionInfo (Just "8.4.2") (Just "1") (Just "86-101") Nothing

        (Just "7ad5f850d711223713d6dcadc3dd48860321070c")

        (Just "root@example.com, 2013-04-10 07:45:25")

    )

    [ DeviceInfo 0 StandAlone (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) ' ' "r-----"

        (PerfIndicators 0 0 33318 730 15 0 0 0 0 0 (Just 1)

          (Just 'd') (Just 1048320))

        Nothing

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 3,

      DeviceInfo 5 SyncSource (LocalRemote Secondary Secondary)

        (LocalRemote UpToDate Inconsistent) 'C' "r---n-"

        (PerfIndicators 716992 0 0 719432 0 43 0 33 18 0 (Just 1)

          (Just 'f') (Just 335744))

        (Just $ SyncStatus 68.5 335744 1048576 KiloByte (Time 0 0 5) 64800

          Nothing KiloByte Second)

        Nothing

        Nothing

        Nothing

    ]

-- | Test a DRBD 8.4 file.

case_drbd84 :: Assertion

case_drbd84 = testParser (drbdStatusParser []) "proc_drbd84.txt" $

  DRBDStatus

    ( VersionInfo (Just "8.4.2") (Just "1") (Just "86-101") Nothing

      (Just "7ad5f850d711223713d6dcadc3dd48860321070c")

      (Just "root@example.com, 2013-04-10 07:45:25")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r-----"

        (PerfIndicators 1048576 0 0 1048776 0 64 0 0 0 0 (Just 1)

          (Just 'f') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 1 Connected (LocalRemote Secondary Primary)

        (LocalRemote UpToDate UpToDate) 'C' "r-----"

        (PerfIndicators 0 1048576 1048576 0 0 64 0 0 0 0 (Just 1)

          (Just 'f') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 2,

      DeviceInfo 4 WFConnection (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r-----"

        (PerfIndicators 0 0 0 200 0 0 0 0 0 0 (Just 1)

          (Just 'f') (Just 1048320))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 6 Connected (LocalRemote Secondary Primary)

        (LocalRemote Diskless UpToDate) 'C' "r-----"

        (PerfIndicators 0 0 0 0 0 0 0 0 0 0 (Just 1) (Just 'b')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 8 StandAlone (LocalRemote Secondary Unknown)

        (LocalRemote UpToDate DUnknown) ' ' "r-----"

        (PerfIndicators 0 0 0 200 0 0 0 0 0 0 (Just 1)

          (Just 'f') (Just 1048320))

        Nothing

        Nothing

        Nothing

        Nothing

    ]

-- | Test a DRBD 8.3 file with a NULL caracter inside.

case_drbd83_sync_krnl2_6_39 :: Assertion

case_drbd83_sync_krnl2_6_39 = testParser (drbdStatusParser [])

  "proc_drbd83_sync_krnl2.6.39.txt" $ DRBDStatus

    ( VersionInfo (Just "8.3.1") (Just "88") (Just "86-89") Nothing

        (Just "fd40f4a8f9104941537d1afc8521e584a6d3003c")

        (Just "phil@fat-tyre, 2009-03-27 12:19:49")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r----"

        (PerfIndicators 140978 0 9906 131533 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 1 Connected (LocalRemote Secondary Primary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 0 140980 140980 0 0 8 0 0 0 0 (Just 1) (Just 'f')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 2,

      DeviceInfo 3 SyncSource (LocalRemote Primary Secondary)

        (LocalRemote UpToDate Inconsistent) 'A' "r-----"

        (PerfIndicators 373888 0 0 374088 0 22 7 27 7 0 (Just 1)

          (Just 'f') (Just 15358208))

        (Just $ SyncStatus 2.4 14996 15360 MegaByte (Time 0 4 8) 61736 Nothing

          KiloByte Second)

        Nothing

        Nothing

        Nothing,

      DeviceInfo 4 WFConnection (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r----"

        (PerfIndicators 140978 0 9906 131534 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing

    ]

-- | Test a DRBD 8.3 file with an ongoing synchronization.

case_drbd83_sync :: Assertion

case_drbd83_sync = testParser (drbdStatusParser []) "proc_drbd83_sync.txt" $

  DRBDStatus

    ( VersionInfo (Just "8.3.1") (Just "88") (Just "86-89") Nothing

        (Just "fd40f4a8f9104941537d1afc8521e584a6d3003c")

        (Just "phil@fat-tyre, 2009-03-27 12:19:49")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r----"

        (PerfIndicators 140978 0 9906 131533 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 1 Connected (LocalRemote Secondary Primary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 0 140980 140980 0 0 8 0 0 0 0 (Just 1) (Just 'f')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 2,

      DeviceInfo 3 SyncTarget (LocalRemote Primary Secondary)

        (LocalRemote Inconsistent UpToDate) 'C' "r----"

        (PerfIndicators 0 178176 178176 0 104 42 0 0 0 0 (Just 1)

          (Just 'b') (Just 346112))

        (Just $ SyncStatus 34.9 346112 524288 MegaByte (Time 0 0 5) 59392

          Nothing KiloByte Second)

        Nothing

        Nothing

        Nothing,

      DeviceInfo 4 WFConnection (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r----"

        (PerfIndicators 140978 0 9906 131534 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing

    ]

-- | Test a DRBD 8.3 file not from git sources, with an ongoing synchronization

-- and the "want" field

case_drbd83_sync_want :: Assertion

case_drbd83_sync_want = testParser (drbdStatusParser [])

  "proc_drbd83_sync_want.txt" $ DRBDStatus

    ( VersionInfo (Just "8.3.11") (Just "88") (Just "86-96")

        (Just "2D876214BAAD53B31ADC1D6")

        Nothing Nothing

    )

    [ DeviceInfo 0 SyncTarget (LocalRemote Secondary Primary)

        (LocalRemote Inconsistent UpToDate) 'C' "r-----"

        (PerfIndicators 0 460288 460160 0 0 28 2 4 1 0 (Just 1)

          (Just 'f') (Just 588416))

        (Just $ SyncStatus 44.4 588416 1048576 KiloByte (Time 0 0 8) 65736

          (Just 61440) KiloByte Second)

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 1,

      UnconfiguredDevice 2,

      UnconfiguredDevice 3

    ]

-- | Test a DRBD 8.3 file.

case_drbd83 :: Assertion

case_drbd83 = testParser (drbdStatusParser []) "proc_drbd83.txt" $

  DRBDStatus

    ( VersionInfo (Just "8.3.1") (Just "88") (Just "86-89")

      Nothing

      (Just "fd40f4a8f9104941537d1afc8521e584a6d3003c")

      (Just "phil@fat-tyre, 2009-03-27 12:19:49")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r----"

        (PerfIndicators 140978 0 9906 131533 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 1 Connected (LocalRemote Secondary Primary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 0 140980 140980 0 0 8 0 0 0 0 (Just 1) (Just 'f')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      UnconfiguredDevice 2,

      DeviceInfo 4 WFConnection (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r----"

        (PerfIndicators 140978 0 9906 131534 27 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 5 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate Diskless) 'C' "r----"

        (PerfIndicators 140978 0 9906 131533 19 8 0 0 0 0 (Just 1)

          (Just 'b') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 6 Connected (LocalRemote Secondary Primary)

        (LocalRemote Diskless UpToDate) 'C' "r---"

        (PerfIndicators 0 140978 140978 0 0 8 0 0 0 0 (Just 1) (Just 'f')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 7 WFConnection (LocalRemote Secondary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r---"

        (PerfIndicators 0 140978 140978 0 0 8 0 0 0 0 (Just 1) (Just 'f')

          (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 8 StandAlone (LocalRemote Secondary Unknown)

        (LocalRemote UpToDate DUnknown) ' ' "r---"

        (PerfIndicators 0 140978 140978 0 0 8 0 0 0 0 (Just 1)

          (Just 'f') (Just 0))

        Nothing

        Nothing

        Nothing

        Nothing

    ]

-- | Test a DRBD 8.0 file with a missing device.

case_drbd8 :: Assertion

case_drbd8 = testParser (drbdStatusParser []) "proc_drbd8.txt" $

  DRBDStatus

    ( VersionInfo (Just "8.0.12") (Just "86") (Just "86") Nothing

        (Just "5c9f89594553e32adb87d9638dce591782f947e3")

        (Just "XXX")

    )

    [ DeviceInfo 0 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 4375577 0 4446279 674 1067 69 0 0 0 0 Nothing

          Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 793749 1067 0 0 1067)

        Nothing,

      DeviceInfo 1 Connected (LocalRemote Secondary Primary)

        (LocalRemote UpToDate UpToDate) 'C' "r---"

        (PerfIndicators 738320 0 738320 554400 67 0 0 0 0 0 Nothing

          Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 92464 67 0 0 67)

        Nothing,

      UnconfiguredDevice 2,

      DeviceInfo 4 WFConnection (LocalRemote Primary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r---"

        (PerfIndicators 738320 0 738320 554400 67 0 0 0 0 0 Nothing

          Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 92464 67 0 0 67)

        Nothing,

      DeviceInfo 5 Connected (LocalRemote Primary Secondary)

        (LocalRemote UpToDate Diskless) 'C' "r---"

        (PerfIndicators 4375581 0 4446283 674 1069 69 0 0 0 0 Nothing

          Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 793750 1069 0 0 1069)

        Nothing,

      DeviceInfo 6 Connected (LocalRemote Secondary Primary)

        (LocalRemote Diskless UpToDate) 'C'  "r---"

        (PerfIndicators 0 4375581 5186925 327 75 214 0 0 0 0 Nothing

          Nothing Nothing)

        Nothing

        Nothing

        Nothing

        Nothing,

      DeviceInfo 7 WFConnection (LocalRemote Secondary Unknown)

        (LocalRemote UpToDate DUnknown) 'C' "r---"

        (PerfIndicators 0 0 0 0 0 0 0 0 0 0 Nothing Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 0 0 0 0 0)

        Nothing,

      DeviceInfo 8 StandAlone (LocalRemote Secondary Unknown)

        (LocalRemote UpToDate DUnknown) ' ' "r---"

        (PerfIndicators 0 0 0 0 0 0 0 0 0 0 Nothing Nothing Nothing)

        Nothing

        (Just $ AdditionalInfo 0 61 0 0 0 0 0)

        (Just $ AdditionalInfo 0 257 0 0 0 0 0)

        Nothing

    ]

-- | Function for splitting a list in chunks of a given size.

-- FIXME: an equivalent function exists in Data.List.Split, but it seems

-- pointless to add this package as a dependence just for this single

-- use. In case it is ever added, just remove this function definition

-- and use the one from the package.

splitEvery :: Int -> [e] -> [[e]]

splitEvery i l = map (take i) (splitter l (:) []) where

  splitter [] _ n = n

  splitter li c n  = li `c` splitter (drop i li) c n

-- | Function for testing whether a single comma-separated integer is

-- parsed correctly.

testCommaInt :: String -> Int -> Assertion

testCommaInt numString expectedResult =

  case A.parseOnly commaIntParser $ pack numString of

    Left msg -> assertFailure $ "Parsing failed: " ++ msg

    Right obtained -> assertEqual numString expectedResult obtained

-- | Generate a property test for CommaInt numbers in a given range.

gen_prop_CommaInt :: Int -> Int -> Property

gen_prop_CommaInt minVal maxVal =

  forAll (choose (minVal, maxVal)) $ \i ->

    case A.parseOnly commaIntParser $ pack (generateCommaInt i) of

      Left msg -> failTest $ "Parsing failed: " ++ msg

      Right obtained -> i ==? obtained

  where generateCommaInt x =

          ((reverse . intercalate ",") . splitEvery 3) . reverse $ show x

-- | Test if <4 digit integers are recognized correctly.

prop_commaInt_noCommas :: Property

prop_commaInt_noCommas = gen_prop_CommaInt 0 999

-- | Test if integers with 1 comma are recognized correctly.

prop_commaInt_1Comma :: Property

prop_commaInt_1Comma = gen_prop_CommaInt 1000 999999

-- | Test if integers with multiple commas are recognized correctly.

prop_commaInt_multipleCommas :: Property

prop_commaInt_multipleCommas = gen_prop_CommaInt 1000000 (maxBound ::

  Int)

-- | Test whether the parser is actually able to behave as intended with

-- numbers without commas. That is, if a number with more than 3 digits

-- is parsed, only up to the first 3 digits are considered (because they

-- are a valid commaInt), and the rest is ignored.

-- e.g.: parse "1234" = 123

prop_commaInt_max3WithoutComma :: Property

prop_commaInt_max3WithoutComma =

  forAll (choose (0, maxBound :: Int)) $ \i ->

    case A.parseOnly commaIntParser $ pack (show i) of

      Left msg -> failTest $ "Parsing failed: " ++ msg

      Right obtained ->

        obtained < 1000 .&&.

        getFirst3Digits i ==? obtained

  where getFirst3Digits x =

          if x >= 1000

            then getFirst3Digits $ x `div` 10

            else x

-- | Test if non-triplets are handled correctly (they are assumed NOT being part

-- of the number).

case_commaInt_non_triplet :: Assertion

case_commaInt_non_triplet = testCommaInt "61,736,12" 61736

testSuite "Block/Drbd/Parser"

          [ 'case_drbd80_emptyline,

            'case_drbd80_emptyversion,

            'case_drbd84_sync,

            'case_drbd84,

            'case_drbd83_sync_krnl2_6_39,

            'case_drbd83_sync,

            'case_drbd83_sync_want,

            'case_drbd83,

            'case_drbd8,

            'case_commaInt_non_triplet,

            'prop_commaInt_noCommas,

            'prop_commaInt_1Comma,

            'prop_commaInt_multipleCommas,

            'prop_commaInt_max3WithoutComma

          ]