--- /dev/null
+ 1 0 ram0 0 0 0 0 0 0 0 0 0 0 0
+ 1 1 ram1 0 0 0 0 0 0 0 0 0 0 0
+ 1 2 ram2 0 0 0 0 0 0 0 0 0 0 0
+ 1 3 ram3 0 0 0 0 0 0 0 0 0 0 0
+ 1 4 ram4 0 0 0 0 0 0 0 0 0 0 0
+ 1 5 ram5 0 0 0 0 0 0 0 0 0 0 0
+ 1 6 ram6 0 0 0 0 0 0 0 0 0 0 0
+ 1 7 ram7 0 0 0 0 0 0 0 0 0 0 0
+ 1 8 ram8 0 0 0 0 0 0 0 0 0 0 0
+ 1 9 ram9 0 0 0 0 0 0 0 0 0 0 0
+ 1 10 ram10 0 0 0 0 0 0 0 0 0 0 0
+ 1 11 ram11 0 0 0 0 0 0 0 0 0 0 0
+ 1 12 ram12 0 0 0 0 0 0 0 0 0 0 0
+ 1 13 ram13 0 0 0 0 0 0 0 0 0 0 0
+ 1 14 ram14 0 0 0 0 0 0 0 0 0 0 0
+ 1 15 ram15 0 0 0 0 0 0 0 0 0 0 0
+ 7 0 loop0 0 0 0 0 0 0 0 0 0 0 0
+ 7 1 loop1 0 0 0 0 0 0 0 0 0 0 0
+ 7 2 loop2 0 0 0 0 0 0 0 0 0 0 0
+ 7 3 loop3 0 0 0 0 0 0 0 0 0 0 0
+ 7 4 loop4 0 0 0 0 0 0 0 0 0 0 0
+ 7 5 loop5 0 0 0 0 0 0 0 0 0 0 0
+ 7 6 loop6 0 0 0 0 0 0 0 0 0 0 0
+ 7 7 loop7 0 0 0 0 0 0 0 0 0 0 0
+ 8 0 sda 89502 4833 4433387 89244 519115 62738 16059726 465120 0 149148 554564
+ 8 1 sda1 505 2431 8526 132 478 174 124358 8500 0 340 8632
+ 8 2 sda2 2 0 4 4 0 0 0 0 0 4 4
+ 8 5 sda5 88802 2269 4422249 89032 453703 62564 15935368 396244 0 90064 485500
+ 252 0 dm-0 90978 0 4420002 158632 582226 0 15935368 5592012 0 167688 5750652
+ 252 1 dm-1 88775 0 4402378 157204 469594 0 15136008 4910424 0 164556 5067640
+ 252 2 dm-2 1956 0 15648 1052 99920 0 799360 682492 0 4516 683552
+ 8 16 sdb 0 0 0 0 0 0 0 0 0 0 0
--- /dev/null
+{-# LANGUAGE TemplateHaskell #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+{-| Unittests for the @/proc/diskstats@ parser -}
+
+{-
+
+Copyright (C) 2013 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.Diskstats.Parser (testBlock_Diskstats_Parser) where
+
+import Test.QuickCheck as QuickCheck hiding (Result)
+import Test.HUnit
+
+import Test.Ganeti.TestHelper
+import Test.Ganeti.TestCommon
+
+import Control.Applicative ((<*>), (<$>))
+import qualified Data.Attoparsec.Text as A
+import Data.Text (pack)
+import Text.Printf
+
+import Ganeti.Block.Diskstats.Parser (diskstatsParser)
+import Ganeti.Block.Diskstats.Types
+
+{-# ANN module "HLint: ignore Use camelCase" #-}
+
+
+-- | Test a diskstats.
+case_diskstats :: Assertion
+case_diskstats = testParser diskstatsParser "proc_diskstats.txt"
+ [ Diskstats 1 0 "ram0" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 1 "ram1" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 2 "ram2" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 3 "ram3" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 4 "ram4" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 5 "ram5" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 6 "ram6" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 7 "ram7" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 8 "ram8" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 9 "ram9" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 10 "ram10" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 11 "ram11" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 12 "ram12" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 13 "ram13" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 14 "ram14" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 1 15 "ram15" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 0 "loop0" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 1 "loop1" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 2 "loop2" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 3 "loop3" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 4 "loop4" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 5 "loop5" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 6 "loop6" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 7 7 "loop7" 0 0 0 0 0 0 0 0 0 0 0
+ , Diskstats 8 0 "sda" 89502 4833 4433387 89244 519115 62738 16059726 465120 0
+ 149148 554564
+ , Diskstats 8 1 "sda1" 505 2431 8526 132 478 174 124358 8500 0 340 8632
+ , Diskstats 8 2 "sda2" 2 0 4 4 0 0 0 0 0 4 4
+ , Diskstats 8 5 "sda5" 88802 2269 4422249 89032 453703 62564 15935368 396244 0
+ 90064 485500
+ , Diskstats 252 0 "dm-0" 90978 0 4420002 158632 582226 0 15935368 5592012 0
+ 167688 5750652
+ , Diskstats 252 1 "dm-1" 88775 0 4402378 157204 469594 0 15136008 4910424 0
+ 164556 5067640
+ , Diskstats 252 2 "dm-2" 1956 0 15648 1052 99920 0 799360 682492 0 4516 683552
+ , Diskstats 8 16 "sdb" 0 0 0 0 0 0 0 0 0 0 0
+ ]
+
+-- | The instance for generating arbitrary Diskstats
+instance Arbitrary Diskstats where
+ arbitrary =
+ Diskstats <$> genNonNegative <*> genNonNegative <*> genName
+ <*> genNonNegative <*> genNonNegative <*> genNonNegative
+ <*> genNonNegative <*> genNonNegative <*> genNonNegative
+ <*> genNonNegative <*> genNonNegative <*> genNonNegative
+ <*> genNonNegative <*> genNonNegative
+
+-- | Serialize a list of Diskstats in a parsable way
+serializeDiskstatsList :: [Diskstats] -> String
+serializeDiskstatsList = concatMap serializeDiskstats
+
+-- | Serialize a Diskstats in a parsable way
+serializeDiskstats :: Diskstats -> String
+serializeDiskstats ds =
+ printf "\t%d\t%d %s %d %d %d %d %d %d %d %d %d %d %d\n"
+ (dsMajor ds) (dsMinor ds) (dsName ds) (dsReads ds) (dsMergedReads ds)
+ (dsSecRead ds) (dsTimeRead ds) (dsWrites ds) (dsMergedWrites ds)
+ (dsSecWritten ds) (dsTimeWrite ds) (dsIos ds) (dsTimeIO ds) (dsWIOmillis ds)
+
+-- | Test whether an arbitrary Diskstats is parsed correctly
+prop_diskstats :: [Diskstats] -> Property
+prop_diskstats dsList =
+ case A.parseOnly diskstatsParser $ pack (serializeDiskstatsList dsList) of
+ Left msg -> failTest $ "Parsing failed: " ++ msg
+ Right obtained -> dsList ==? obtained
+
+testSuite "Block/Diskstats/Parser"
+ [ 'case_diskstats,
+ 'prop_diskstats
+ ]