module Xmobar.Plugins.Monitors.CpuSpec
  ( 
   spec, main
  ) where

import Test.Hspec
import Xmobar.Plugins.Monitors.Common
import Xmobar.Plugins.Monitors.Cpu

import Data.List
import Text.Regex.TDFA((=~))

main :: IO ()
main = hspec spec

withFc :: String -> String
withFc s = "((<fc=(green|red)>)?" ++ s ++ "(</fc>)?)"

withFcDigits :: String -> String -> String
withFcDigits prefix suffix = prefix ++ digits ++ suffix
  where digits = withFc "([0-9][0-9]?|-0)" -- in CI computers, -0 is a value

spec :: Spec
spec =
  describe "CPU Spec" $ do
    it "uses the correct regexps" $
      do "Cpu: -0%" `shouldSatisfy` (=~ withFcDigits "Cpu: " "%")
         "Cpu: 12" `shouldSatisfy` (=~ withFcDigits "Cpu: " "")
         "Cpu: <fc=red>12</fc>" `shouldSatisfy` (=~ withFcDigits "Cpu: " "")
         "Cpu: <fc=green>12</fc> -0" `shouldSatisfy` (=~ withFcDigits "Cpu: (" ")+")
    it "works with total template" $
      do let args = ["-L","3","-H","50","--normal","green","--high","red", "-t", "Cpu: <total>%"]
         cpuArgs <- getArguments args
         cpuValue <- runCpu cpuArgs
         cpuValue `shouldSatisfy` (=~ withFcDigits "Cpu: " "%")
    it "works with bar template" $
      do let args = ["-L","3","-H","50","--normal","green","--high","red", "-t", "Cpu: <total>% <bar>"]
         cpuArgs <- getArguments args
         cpuValue <- runCpu cpuArgs
         cpuValue `shouldSatisfy` ((=~ (withFc "#+" ++ "?:*")) . last . words)
    it "works with no icon pattern template" $
      do let args = ["-L","3","-H","50","--normal","green","--high","red", "-t", "Cpu: <total>% <bar>", "--", "--load-icon-pattern", "<icon=bright_%%.xpm/>"]
         cpuArgs <- getArguments args
         cpuValue <- runCpu cpuArgs
         cpuValue `shouldSatisfy` (\item -> not $ "<icon=bright_" `isInfixOf` cpuValue)
    it "works with icon pattern template" $
      do let args = ["-L","3","-H","50","--normal","green","--high","red", "-t", "Cpu: <total>% <bar> <ipat>", "--", "--load-icon-pattern", "<icon=bright_%%.xpm/>"]
         cpuArgs <- getArguments args
         cpuValue <- runCpu cpuArgs
         cpuValue `shouldSatisfy` (\item -> "<icon=bright_" `isInfixOf` cpuValue)
    it "works with other parameters in template" $
      do let args = ["-L","3","-H","50","--normal","green","--high","red", "-t", "Cpu: <user> <nice> <iowait>"]
         cpuArgs <- getArguments args
         cpuValue <- runCpu cpuArgs
         cpuValue `shouldSatisfy` (=~ withFcDigits "Cpu:( " ")+")