From 06517a6a4c5c6c7a89ea4ad57d85ffc458393a07 Mon Sep 17 00:00:00 2001
From: Simon Hengel <sol@typeful.net>
Date: Sun, 16 Nov 2014 08:58:40 +0800
Subject: (wip) Add support for @since (closes #26)

---
 .../test/Documentation/Haddock/ParserSpec.hs       | 24 +++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'haddock-library/test/Documentation/Haddock/ParserSpec.hs')

diff --git a/haddock-library/test/Documentation/Haddock/ParserSpec.hs b/haddock-library/test/Documentation/Haddock/ParserSpec.hs
index 5550e836..7b0ef78d 100644
--- a/haddock-library/test/Documentation/Haddock/ParserSpec.hs
+++ b/haddock-library/test/Documentation/Haddock/ParserSpec.hs
@@ -22,8 +22,8 @@ instance IsString (Doc String) where
 instance IsString a => IsString (Maybe a) where
   fromString = Just . fromString
 
-parseParas :: String -> Doc String
-parseParas = Parse.toRegular . Parse.parseParas
+parseParas :: String -> (Maybe Version, Doc String)
+parseParas = fmap Parse.toRegular . Parse.parseParas
 
 parseString :: String -> Doc String
 parseString = Parse.toRegular . Parse.parseString
@@ -358,12 +358,30 @@ spec = do
   describe "parseParas" $ do
     let infix 1 `shouldParseTo`
         shouldParseTo :: String -> Doc String -> Expectation
-        shouldParseTo input ast = parseParas input `shouldBe` ast
+        shouldParseTo input ast = snd (parseParas input) `shouldBe` ast
 
     it "is total" $ do
       property $ \xs ->
         (length . show . parseParas) xs `shouldSatisfy` (> 0)
 
+    context "when parsing @since" $ do
+      it "adds specified version to the result" $ do
+        parseParas "@since 0.5.0" `shouldBe` (Just [0,5,0], DocEmpty)
+
+      it "ignores trailing whitespace" $ do
+        parseParas "@since 0.5.0 \t " `shouldBe` (Just [0,5,0], DocEmpty)
+
+      it "does not allow trailing input" $ do
+        parseParas "@since 0.5.0 foo" `shouldBe` (Nothing, DocParagraph "@since 0.5.0 foo")
+
+      context "when given multiple times" $ do
+        it "gives last occurrence precedence" $ do
+          (parseParas . unlines) [
+              "@since 0.5.0"
+            , "@since 0.6.0"
+            , "@since 0.7.0"
+            ] `shouldBe` (Just [0,7,0], DocEmpty)
+
     context "when parsing text paragraphs" $ do
       let filterSpecial = filter (`notElem` (".(=#-[*`\v\f\n\t\r\\\"'_/@<> " :: String))
 
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