-- | Test the message parser
module Test.Parser
  ( parserTests
  )where

import Test.Tasty
import Test.Tasty.HUnit

import Language.Haskell.Ghcid.Parser
import Language.Haskell.Ghcid.Types


parserTests :: TestTree
parserTests=testGroup "Parser tests"
  [ testShowModules
  , testParseLoad
  ]

testShowModules :: TestTree
testShowModules =  testCase "Show Modules" $ parseShowModules [
    "Main             ( src/Main.hs, interpreted )",
    "AI.Neural.WiscDigit ( src/AI/Neural/WiscDigit.hs, interpreted )"
    ] @?= [("Main","src/Main.hs"),("AI.Neural.WiscDigit","src/AI/Neural/WiscDigit.hs")]


testParseLoad :: TestTree
testParseLoad = testGroup "Load Parsing"
  [ testCase "output1" $ parseLoad output1 @?=
    [ Loading "GHCi" "GHCi.hs"
    , Message {loadSeverity = Error, loadFile = "GHCi.hs", loadFilePos = (70,1), loadMessage = ["GHCi.hs:70:1: Parse error: naked expression at top level"]}
    , Message {loadSeverity = Error, loadFile = "GHCi.hs", loadFilePos = (72,13), loadMessage = ["GHCi.hs:72:13:","    No instance for (Num ([String] -> [String]))","      arising from the literal `1'","    Possible fix:","      add an instance declaration for (Num ([String] -> [String]))","    In the expression: 1","    In an equation for `parseLoad': parseLoad = 1"]}
    , Message {loadSeverity = Warning, loadFile = "GHCi.hs", loadFilePos = (81,1), loadMessage = ["GHCi.hs:81:1: Warning: Defined but not used: `foo'"]}
    , Message {loadSeverity = Warning, loadFile = "GHCi.hs", loadFilePos = (82,1), loadMessage = ["GHCi.hs:82:1: warning: Defined but not used: \8216foo\8217"]}
    ]
  ]

output1 :: [String]
output1=
  [ "[1 of 2] Compiling GHCi             ( GHCi.hs, interpreted )"
  , "GHCi.hs:70:1: Parse error: naked expression at top level"
  , "GHCi.hs:72:13:"
  , "    No instance for (Num ([String] -> [String]))"
  , "      arising from the literal `1'"
  , "    Possible fix:"
  , "      add an instance declaration for (Num ([String] -> [String]))"
  , "    In the expression: 1"
  , "    In an equation for `parseLoad': parseLoad = 1"
  , "GHCi.hs:81:1: Warning: Defined but not used: `foo'"
  , "GHCi.hs:82:1: warning: Defined but not used: \8216foo\8217" -- GHC 7.12 uses lowercase
  ]