Tests for Data.Time.HTTP

[time-http.git] / Test / Time / HTTP.hs

diff --git a/Test/Time/HTTP.hs b/Test/Time/HTTP.hs
index 97c5da85f429b954ed5ae4b74c831dac48212779..f0f9bfb3dedbb7eee3dc9ec95566c8c5b0469b23 100644 (file)
--- a/Test/Time/HTTP.hs
+++ b/Test/Time/HTTP.hs
@@ -1,8 +1,18 @@
 {-# LANGUAGE
-    UnicodeSyntax
+    OverloadedStrings
+  , UnicodeSyntax
+  , ViewPatterns
   #-}
 module Main (main) where
+import Control.Applicative
+import Control.Applicative.Unicode
+import Data.Time
+import qualified Data.Time.Asctime as Asctime
+import qualified Data.Time.HTTP    as HTTP
+import qualified Data.Time.RFC733  as RFC733
+import qualified Data.Time.RFC1123 as RFC1123
 import System.Exit
+import Prelude.Unicode
 import Test.QuickCheck
 
 main ∷ IO ()
@@ -17,6 +27,79 @@ runTest prop
            Failure {}           → exitFailure
            NoExpectedFailure {} → exitFailure
 
+instance Arbitrary Day where
+    arbitrary = ModifiedJulianDay <$> arbitrary
+
+instance Arbitrary TimeOfDay where
+    arbitrary
+        = do h ← choose (0, 23)
+             m ← choose (0, 59)
+             s ← choose (0, 60)
+             return $ TimeOfDay h m (fromIntegral (s ∷ Int))
+
+instance Arbitrary LocalTime where
+    arbitrary = LocalTime <$> arbitrary ⊛ arbitrary
+
+instance Eq ZonedTime where
+    a == b = zonedTimeToUTC a ≡ zonedTimeToUTC b
+
+instance Arbitrary TimeZone where
+    arbitrary
+        = do m ← choose (-1439, 1439)
+             s ← arbitrary
+             n ← arbitrary
+             return $ TimeZone m s n
+
+instance Arbitrary ZonedTime where
+    arbitrary = ZonedTime <$> arbitrary ⊛ arbitrary
+
+instance Arbitrary DiffTime where
+    arbitrary = secondsToDiffTime <$> choose (0, 86400)
+
+instance Arbitrary UTCTime where
+    arbitrary = UTCTime <$> arbitrary ⊛ arbitrary
+
 tests ∷ [Property]
-tests = [
+tests = [ -- Asctime
+          property ( Asctime.fromAscii "Sun Nov  6 08:49:37 1994"
+                     ≡ Right referenceLocalTime )
+
+        , property ( "Sun Nov  6 08:49:37 1994"
+                     ≡ Asctime.toAscii referenceLocalTime )
+
+        , property $ \lt → Right lt ≡ Asctime.fromAscii (Asctime.toAscii lt)
+
+          -- RFC733
+        , property ( RFC733.fromAscii "Sunday, 06-Nov-94 08:49:37 GMT"
+                     ≡ Right referenceZonedTime )
+
+        , property ( "Sunday, 06-Nov-1994 08:49:37 GMT"
+                     ≡ RFC733.toAscii referenceZonedTime )
+
+        , property $ \zt → Right zt ≡ RFC733.fromAscii (RFC733.toAscii zt)
+
+          -- RFC1123
+        , property ( RFC1123.fromAscii "Sun, 06 Nov 1994 08:49:37 GMT"
+                     ≡ Right referenceZonedTime )
+
+        , property ( "Sun, 06 Nov 1994 08:49:37 GMT"
+                     ≡ RFC1123.toAscii referenceZonedTime )
+
+        , property $ \zt → Right zt ≡ RFC1123.fromAscii (RFC1123.toAscii zt)
+
+          -- HTTP
+        , property $ \ut → Right ut ≡ HTTP.fromAscii (HTTP.toAscii           ut )
+        , property $ \ut → Right ut ≡ HTTP.fromAscii (Asctime.toAscii (ut2lt ut))
+        , property $ \ut → Right ut ≡ HTTP.fromAscii (RFC733.toAscii  (ut2zt ut))
+        , property $ \ut → Right ut ≡ HTTP.fromAscii (RFC1123.toAscii (ut2zt ut))
         ]
+    where
+      referenceLocalTime
+          = LocalTime (ModifiedJulianDay 49662) (TimeOfDay 8 49 37)
+
+      referenceZonedTime
+          = ZonedTime referenceLocalTime utc
+
+      ut2lt = utcToLocalTime utc
+
+      ut2zt = utcToZonedTime utc