{"origin":"haskell/cabal/pull/5526",

"url":"pull/5526",
"account":"haskell",
"repo":"cabal",
"commit": "63f4c37a1b0a267029e5b9e12d58fb0759a22e11",
"tag":"linux-7.6.3"
}

.travis.yml

@@ -0,0 +1,35 @@
+language: c
+dist: trusty
+# This doesn't actually help because we always push a single
+# commit to the branch in question
+#git:
+#    # https://github.com/travis-ci/travis-ci/issues/4575
+#    depth: 1
+sudo: required
+before_install:
+ - export PATH=/opt/ghc/$GHCVER/bin:$PATH
+ - export PATH=$HOME/.ghc-install/$GHCVER/bin:$PATH
+ - export PATH=$HOME/bin:$PATH
+ - export PATH=$HOME/.cabal/bin:$PATH
+ - export PATH=$HOME/.local/bin:$PATH
+ - export PATH=/opt/cabal/2.0/bin:$PATH
+ - export PATH=/opt/happy/1.19.5/bin:$PATH
+ - export PATH=/opt/alex/3.1.7/bin:$PATH
+ - ./travis-install.sh
+script:
+    - ./travis-test.sh
+after_success:
+    - ./travis-cleanup.sh
+notifications:
+  webhooks:
+    urls: https://sake-bot.herokuapp.com/
+    on_start: always
+  irc:
+    channels:
+      - "chat.freenode.net##haskell-cabal"
+  slack: haskell-cabal:sCq6GLfy9N8MJrInosg871n4
+# To append on:
+# env: GHCVER=7.6.3 UPSTREAM_BUILD_DIR=/home/travis/user/repo
+# os: linux
+env: GHCVER=7.6.3 UPSTREAM_BUILD_DIR=/home/travis/build/haskell/cabal CABAL_LIB_ONLY=YES TEST_OTHER_VERSIONS=YES
+os: linux

Cabal/tests/CheckTests.hs

@@ -0,0 +1,79 @@
+module Main
+    ( main
+    ) where
+
+import Test.Tasty
+import Test.Tasty.Golden.Advanced (goldenTest)
+
+import Data.Algorithm.Diff                    (Diff (..), getGroupedDiff)
+import Distribution.PackageDescription.Check  (checkPackage)
+import Distribution.PackageDescription.Parsec (parseGenericPackageDescription)
+import Distribution.Parsec.Common             (showPError, showPWarning)
+import Distribution.Parsec.ParseResult        (runParseResult)
+import Distribution.Utils.Generic             (fromUTF8BS, toUTF8BS)
+import System.FilePath                        (replaceExtension, (</>))
+
+import qualified Data.ByteString       as BS
+import qualified Data.ByteString.Char8 as BS8
+
+tests :: TestTree
+tests = checkTests
+
+-------------------------------------------------------------------------------
+-- Regressions
+-------------------------------------------------------------------------------
+
+checkTests :: TestTree
+checkTests = testGroup "regressions"
+    [ checkTest "nothing-unicode.cabal"
+    , checkTest "haddock-api-2.18.1-check.cabal"
+    , checkTest "issue-774.cabal"
+    , checkTest "MiniAgda.cabal"
+    , checkTest "extensions-paths-5054.cabal"
+    , checkTest "pre-1.6-glob.cabal"
+    , checkTest "pre-2.4-globstar.cabal"
+    , checkTest "bad-glob-syntax.cabal"
+    , checkTest "cc-options-with-optimization.cabal"
+    , checkTest "cxx-options-with-optimization.cabal"
+    , checkTest "ghc-option-j.cabal"
+    ]
+
+checkTest :: FilePath -> TestTree
+checkTest fp = cabalGoldenTest fp correct $ do
+    contents <- BS.readFile input
+    let res =  parseGenericPackageDescription contents
+    let (ws, x) = runParseResult res
+
+    return $ toUTF8BS $ case x of
+        Right gpd      ->
+            -- Note: parser warnings are reported by `cabal check`, but not by
+            -- D.PD.Check functionality.
+            unlines (map (showPWarning fp) ws) ++
+            unlines (map show (checkPackage gpd Nothing))
+        Left (_, errs) -> unlines $ map (("ERROR: " ++) . showPError fp) errs
+  where
+    input = "tests" </> "ParserTests" </> "regressions" </> fp
+    correct = replaceExtension input "check"
+
+-------------------------------------------------------------------------------
+-- Main
+-------------------------------------------------------------------------------
+
+main :: IO ()
+main = defaultMain tests
+
+cabalGoldenTest :: TestName -> FilePath -> IO BS.ByteString -> TestTree
+cabalGoldenTest name ref act = goldenTest name (BS.readFile ref) act cmp upd
+  where
+    upd = BS.writeFile ref
+    cmp x y | x == y = return Nothing
+    cmp x y = return $ Just $ unlines $
+        concatMap f (getGroupedDiff (BS8.lines x) (BS8.lines y))
+      where
+        f (First xs)  = map (cons3 '-' . fromUTF8BS) xs
+        f (Second ys) = map (cons3 '+' . fromUTF8BS) ys
+        -- we print unchanged lines too. It shouldn't be a problem while we have
+        -- reasonably small examples
+        f (Both xs _) = map (cons3 ' ' . fromUTF8BS) xs
+        -- we add three characters, so the changed lines are easier to spot
+        cons3 c cs = c : c : c : ' ' : cs