botlistprojects/botspider/spider/tests/haskell/src/Tests/Unit/TestExample.hs

   1 -- Example.hs  --  Examples from HUnit user's guide
   2
   3 module Tests.Unit.TestExample where
   4
   5 import Test.HUnit
   6
   7 foo :: Int -> (Int, Int)
   8 foo x = (1, x)
   9
  10 partA :: Int -> IO (Int, Int)
  11 partA v = return (v+2, v+3)
  12
  13 partB :: Int -> IO Bool
  14 partB v = return (v > 5)
  15
  16 test1 :: Test
  17 test1 = TestCase (assertEqual "for (foo 3)," (1,2) (foo 3))
  18
  19 test2 :: Test
  20 test2 = TestCase (do (x,y) <- partA 3
  21                      assertEqual "for the first result of partA," 5 x
  22                      b <- partB y
  23                      assertBool ("(partB " ++ show y ++ ") failed") b)
  24
  25 allTests :: Test
  26 allTests = TestList [TestLabel "test1" test1, TestLabel "test2" test2]
  27
  28 allTests2 :: Test
  29 allTests2 = test [ "test1" ~: "(foo 3)" ~: (1,2) ~=? (foo 3),
  30                 "test2" ~: do (x, y) <- partA 3
  31                               assertEqual "for the first result of partA," 5 x
  32                               partB y @? "(partB " ++ show y ++ ") failed" ]
  33
  34 --main :: IO Counts
  35 --main = do runTestTT tests
  36 --          runTestTT tests'