content: {-# LANGUAGE TemplateHaskell #-}
  {-# OPTIONS_GHC -fno-warn-orphans #-}
  
  {-| Unittests for ganeti-htools.
  
  -}
  
  {-
  
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  -}
  
  module Test.Ganeti.HTools.CLI (testHTools_CLI) where
  
  import Test.HUnit
  import Test.QuickCheck
  
  import Control.Monad
  import Data.List
  import Text.Printf (printf)
  
  import Test.Ganeti.TestHelper
  import Test.Ganeti.TestCommon
  import Test.Ganeti.Common
  
  import Ganeti.BasicTypes
  import Ganeti.HTools.CLI as CLI
  import qualified Ganeti.HTools.Program.Main as Program
  import qualified Ganeti.HTools.Types as Types
  
  {-# ANN module "HLint: ignore Use camelCase" #-}
  
  -- | Test correct parsing.
  prop_parseISpec :: String -> Int -> Int -> Int -> Maybe Int -> Property
  prop_parseISpec descr dsk mem cpu spn =
    let (str, spn') = case spn of
                        Nothing -> (printf "%d,%d,%d" dsk mem cpu::String, 1)
                        Just spn'' ->
                          (printf "%d,%d,%d,%d" dsk mem cpu spn''::String, spn'')
    in parseISpecString descr str ==? Ok (Types.RSpec cpu mem dsk spn')
  
  -- | Test parsing failure due to wrong section count.
  prop_parseISpecFail :: String -> Property
  prop_parseISpecFail descr =
    forAll (choose (0,100) `suchThat` (not . flip elem [3, 4])) $ \nelems ->
    forAll (replicateM nelems arbitrary) $ \values ->
    let str = intercalate "," $ map show (values::[Int])
    in case parseISpecString descr str of
         Ok v -> failTest $ "Expected failure, got " ++ show v
         _ -> passTest
  
  -- | Test a few string arguments.
  prop_string_arg :: String -> Property
  prop_string_arg argument =
    let args = [ (oDataFile,      optDataFile)
               , (oDynuFile,      optDynuFile)
               , (oSaveCluster,   optSaveCluster)
               , (oPrintCommands, optShowCmds)
               , (genOLuxiSocket "", optLuxi)
               , (oIAllocSrc,     optIAllocSrc)
               ]
    in conjoin $ map (\(o, opt) ->
                        checkOpt Just defaultOptions
                        failTest (const (==?)) Just (argument, o, opt)) args
  
  -- | Test a few positive arguments.
  prop_numeric_arg :: Positive Double -> Property
  prop_numeric_arg (Positive argument) =
    let args = [ (oMaxCpu,     optMcpu)
               , (oMinDisk,    Just . optMdsk)
               , (oMinGain,    Just . optMinGain)
               , (oMinGainLim, Just . optMinGainLim)
               , (oMinScore,   Just . optMinScore)
               ]
    in conjoin $
       map (\(x, y) -> checkOpt (Just . show) defaultOptions
                       failTest (const (==?)) Just (argument, x, y)) args
  
  -- | Test a few boolean arguments.
  case_bool_arg :: Assertion
  case_bool_arg =
    mapM_ (checkOpt (const Nothing) defaultOptions assertFailure
                    assertEqual id)
          [ (False, oDiskMoves,    optDiskMoves)
          , (False, oInstMoves,    optInstMoves)
          , (True,  oEvacMode,     optEvacMode)
          , (True,  oExecJobs,     optExecJobs)
          , (True,  oNoHeaders,    optNoHeaders)
          , (True,  oNoSimulation, optNoSimulation)
          ]
  
  -- | Tests a few invalid arguments.
  case_wrong_arg :: Assertion
  case_wrong_arg =
    mapM_ (passFailOpt defaultOptions assertFailure (return ()))
          [ (oSpindleUse,   "-1", "1")
          , (oSpindleUse,   "a",  "1")
          , (oMaxCpu,       "-1", "1")
          , (oMinDisk,      "a",  "1")
          , (oMinGainLim,   "a",  "1")
          , (oMaxSolLength, "x",  "10")
          , (oStdSpec,      "no-such-spec", "1,1,1")
          , (oTieredSpec,   "no-such-spec", "1,1,1")
          ]
  
  -- | Test that all binaries support some common options.
  case_stdopts :: Assertion
  case_stdopts =
    mapM_ (\(name, (_, o, a, _)) -> do
             o' <- o
             checkEarlyExit defaultOptions name
               (o' ++ genericOpts) a) Program.personalities
  
  testSuite "HTools/CLI"
            [ 'prop_parseISpec
            , 'prop_parseISpecFail
            , 'prop_string_arg
            , 'prop_numeric_arg
            , 'case_bool_arg
            , 'case_wrong_arg
            , 'case_stdopts
            ]
  