Change build-type: Simple; run doctests on CI via haskell-ci

Don't use hspec-discover in tutorial,
so doctests work on CI

.travis.yml

@@ -4,7 +4,7 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.9.20191209
+# version: 0.9.20200110
 #
 version: ~> 1.0
 language: c
@@ -73,26 +73,8 @@ before_install:
   - TOP=$(pwd)
   - "HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\\d+)\\.(\\d+)\\.(\\d+)(\\.(\\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')"
   - echo $HCNUMVER
-  - CABAL="$CABAL -vnormal+nowrap+markoutput"
+  - CABAL="$CABAL -vnormal+nowrap"
   - set -o pipefail
-  - |
-    echo 'function blue(s) { printf "\033[0;34m" s "\033[0m " }'           >> .colorful.awk
-    echo 'BEGIN { state = "output"; }'                                     >> .colorful.awk
-    echo '/^-----BEGIN CABAL OUTPUT-----$/ { state = "cabal" }'            >> .colorful.awk
-    echo '/^-----END CABAL OUTPUT-----$/ { state = "output" }'             >> .colorful.awk
-    echo '!/^(-----BEGIN CABAL OUTPUT-----|-----END CABAL OUTPUT-----)/ {' >> .colorful.awk
-    echo '  if (state == "cabal") {'                                       >> .colorful.awk
-    echo '    print blue($0)'                                              >> .colorful.awk
-    echo '  } else {'                                                      >> .colorful.awk
-    echo '    print $0'                                                    >> .colorful.awk
-    echo '  }'                                                             >> .colorful.awk
-    echo '}'                                                               >> .colorful.awk
-  - cat .colorful.awk
-  - |
-    color_cabal_output () {
-      awk -f $TOP/.colorful.awk
-    }
-  - echo text | color_cabal_output
 install:
   - ${CABAL} --version
   - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"
@@ -133,8 +115,9 @@ install:
   - cat $CABALHOME/config
   - rm -fv cabal.project cabal.project.local cabal.project.freeze
   - travis_retry ${CABAL} v2-update -v
-  - if $GHCJS ; then (cd /tmp && ${CABAL} v2-install -w ghc-8.4.4 cabal-plan --constraint='cabal-plan ^>=0.6.0.0' --constraint='cabal-plan +exe' | color_cabal_output) ; fi
+  - if ! $GHCJS ; then (cd /tmp && ${CABAL} v2-install $WITHCOMPILER -j2 doctest --constraint='doctest ==0.16.2.*') ; fi
-  - if $GHCJS ; then (cd /tmp && ${CABAL} v2-install -w ghc-8.4.4 hspec-discover | color_cabal_output) ; fi
+  - if $GHCJS ; then (cd /tmp && ${CABAL} v2-install -w ghc-8.4.4 cabal-plan --constraint='cabal-plan ^>=0.6.0.0' --constraint='cabal-plan +exe') ; fi
+  - if $GHCJS ; then (cd /tmp && ${CABAL} v2-install -w ghc-8.4.4 hspec-discover) ; fi
   # Generate cabal.project
   - rm -rf cabal.project cabal.project.local cabal.project.freeze
   - touch cabal.project
@@ -212,14 +195,14 @@ install:
   - if [ -f "doc/cookbook/structuring-apis/configure.ac" ]; then (cd "doc/cookbook/structuring-apis" && autoreconf -i); fi
   - if [ -f "doc/cookbook/using-custom-monad/configure.ac" ]; then (cd "doc/cookbook/using-custom-monad" && autoreconf -i); fi
   - if [ -f "doc/cookbook/using-free-client/configure.ac" ]; then (cd "doc/cookbook/using-free-client" && autoreconf -i); fi
-  - ${CABAL} v2-freeze $WITHCOMPILER ${TEST} ${BENCH} | color_cabal_output
+  - ${CABAL} v2-freeze $WITHCOMPILER ${TEST} ${BENCH}
   - "cat cabal.project.freeze | sed -E 's/^(constraints: *| *)//' | sed 's/any.//'"
   - rm  cabal.project.freeze
 script:
   - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX)
   # Packaging...
   - echo 'Packaging...' && echo -en 'travis_fold:start:sdist\\r'
-  - ${CABAL} v2-sdist all | color_cabal_output
+  - ${CABAL} v2-sdist all
   - echo -en 'travis_fold:end:sdist\\r'
   # Unpacking...
   - echo 'Unpacking...' && echo -en 'travis_fold:start:unpack\\r'
@@ -335,15 +318,29 @@ script:
   # Building with tests and benchmarks...
   - echo 'Building with tests and benchmarks...' && echo -en 'travis_fold:start:build-everything\\r'
   # build & run tests, build benchmarks
-  - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output
+  - ${CABAL} v2-build $WITHCOMPILER ${TEST} ${BENCH} all
   - echo -en 'travis_fold:end:build-everything\\r'
   # Testing...
-  - if ! $GHCJS ; then ${CABAL} v2-test $WITHCOMPILER ${TEST} ${BENCH} all | color_cabal_output ; fi
+  - if ! $GHCJS ; then ${CABAL} v2-test $WITHCOMPILER ${TEST} ${BENCH} all ; fi
   - if $GHCJS ; then cabal-plan list-bins '*:test:*' | while read -r line; do testpkg=$(echo "$line" | perl -pe 's/:.*//'); testexe=$(echo "$line" | awk '{ print $2 }'); echo "testing $textexe in package $textpkg"; (cd "$(pkgdir $testpkg)" && nodejs "$testexe".jsexe/all.js); done ; fi
+  # Doctest...
+  - echo 'Doctest...' && echo -en 'travis_fold:start:doctest\\r'
+  - perl -i -e 'while (<ARGV>) { print unless /package-id\s+(base-compat-batteries)-\d+(\.\d+)*/; }' .ghc.environment.*
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_client} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_client_core} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_http_streams} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_docs} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_foreign} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_server} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_machines} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_conduit} && doctest  src) ; fi
+  - if ! $GHCJS ; then (cd ${PKGDIR_servant_pipes} && doctest  src) ; fi
+  - echo -en 'travis_fold:end:doctest\\r'
   # haddock...
   - echo 'haddock...' && echo -en 'travis_fold:start:haddock\\r'
-  - if ! $GHCJS ; then ${CABAL} v2-haddock $WITHCOMPILER --with-haddock $HADDOCK ${TEST} ${BENCH} all | color_cabal_output ; fi
+  - if ! $GHCJS ; then ${CABAL} v2-haddock $WITHCOMPILER --with-haddock $HADDOCK ${TEST} ${BENCH} all ; fi
   - echo -en 'travis_fold:end:haddock\\r'
 
-# REGENDATA ("0.9.20191209",["--config=cabal.haskell-ci","--output=.travis.yml","cabal.project"])
+# REGENDATA ("0.9.20200110",["--config=cabal.haskell-ci","--output=.travis.yml","cabal.project"])
 # EOF

Makefile

@@ -20,3 +20,13 @@ build-ghcjs :
 
 packdeps :
 	packdeps */*.cabal
+
+doctest : doctest-servant doctest-servant-server
+	perl -i -e 'while (<ARGV>) { print unless /package-id\s+base-compat-\d+(\.\d+)*/; }' .ghc.environment.*
+
+doctest-servant :
+	(cd servant && doctest src)
+	(cd servant && doctest test/Servant/LinksSpec.hs)
+
+doctest-servant-server :
+	(cd servant-server && doctest src)

cabal.haskell-ci

@@ -4,6 +4,9 @@ branches: master
 jobs-selection: any
 google-chrome: True
 ghcjs-tests: True
+doctest: True
+doctest-filter-packages: base-compat-batteries
+doctest-skip:            tutorial
 
 -- https://github.com/haskell/cabal/issues/6176
 ghcjs-tools: hspec-discover

cabal.project

@@ -76,3 +76,6 @@ allow-newer: jsaddle-dom-0.9.3.2:lens
 allow-newer: jsaddle-warp-0.9.6.0:time
 
 constraints: base-compat ^>=0.11
+
+-- needed for doctests
+write-ghc-environment-files: always

changelog.d/pr1249

@@ -1,6 +1,7 @@
 synopsis: use queryString to parse QueryParam, QueryParams and QueryFlag
 packages: servant-server
-prs: #1249
+prs: #1249 #1262
+significance: significant
 description: {
 
 Some APIs need query parameters rewriting, e.g. in order to support

changelog.d/pr1263

@@ -0,0 +1,11 @@
+synopsis: Make packages `build-type: Simple`
+packages: servant servant-server
+prs: #1263
+significance: significant
+description: {
+
+We used `build-type: Custom`, but it's problematic e.g.
+for cross-compiling. The benefit is small, as the doctests
+can be run other ways too (though not so conviniently).
+
+}

doc/tutorial/test/Spec.hs

@@ -1 +1,11 @@
-{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
+module Main where
+
+import qualified JavascriptSpec
+
+import Test.Hspec (Spec, hspec, describe)
+
+main :: IO ()
+main = hspec spec
+
+spec :: Spec
+spec = describe "Javascript" JavascriptSpec.spec

doc/tutorial/tutorial.cabal

@@ -83,8 +83,6 @@ test-suite spec
   hs-source-dirs: test
   main-is: Spec.hs
   other-modules: JavascriptSpec
-  build-tool-depends:
-    hspec-discover:hspec-discover
   build-depends: base
                , tutorial
                , hspec

servant-server/Setup.hs

@@ -1,33 +1,2 @@
-{-# LANGUAGE CPP #-}
-{-# OPTIONS_GHC -Wall #-}
-module Main (main) where
-
-#ifndef MIN_VERSION_cabal_doctest
-#define MIN_VERSION_cabal_doctest(x,y,z) 0
-#endif
-
-#if MIN_VERSION_cabal_doctest(1,0,0)
-
-import Distribution.Extra.Doctest ( defaultMainWithDoctests )
-main :: IO ()
-main = defaultMainWithDoctests "doctests"
-
-#else
-
-#ifdef MIN_VERSION_Cabal
--- If the macro is defined, we have new cabal-install,
--- but for some reason we don't have cabal-doctest in package-db
---
--- Probably we are running cabal sdist, when otherwise using new-build
--- workflow
-#warning You are configuring this package without cabal-doctest installed. \
-         The doctests test-suite will not work as a result. \
-         To fix this, install cabal-doctest before configuring.
-#endif
-
 import           Distribution.Simple
-
-main :: IO ()
 main = defaultMain
-
-#endif

servant-server/servant-server.cabal

@@ -22,7 +22,7 @@ license-file:        LICENSE
 author:              Servant Contributors
 maintainer:          haskell-servant-maintainers@googlegroups.com
 copyright:           2014-2016 Zalora South East Asia Pte Ltd, 2016-2019 Servant Contributors
-build-type:          Custom
+build-type:          Simple
 tested-with:
   GHC ==8.0.2
    || ==8.2.2
@@ -38,12 +38,6 @@ source-repository head
   type: git
   location: http://github.com/haskell-servant/servant.git
 
-custom-setup
-  setup-depends:
-    base >= 4 && <5,
-    Cabal,
-    cabal-doctest >= 1.0.6 && <1.1
-
 library
   exposed-modules:
     Servant
@@ -173,16 +167,3 @@ test-suite spec
 
   build-tool-depends:
     hspec-discover:hspec-discover >= 2.6.0 && <2.8
-
-test-suite doctests
-  build-depends:
-      base
-    , servant-server
-    , doctest >= 0.16.0 && <0.17
-  type: exitcode-stdio-1.0
-  main-is: test/doctests.hs
-  buildable: True
-  default-language: Haskell2010
-  ghc-options: -Wall -threaded
-  if impl(ghc >= 8.2)
-    x-doctest-options: -fdiagnostics-color=never

servant-server/test/doctests.hs

@@ -1,27 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  Main (doctests)
--- Copyright   :  (C) 2012-14 Edward Kmett
--- License     :  BSD-style (see the file LICENSE)
--- Maintainer  :  Edward Kmett <ekmett@gmail.com>
--- Stability   :  provisional
--- Portability :  portable
---
--- This module provides doctests for a project based on the actual versions
--- of the packages it was built with. It requires a corresponding Setup.lhs
--- to be added to the project
------------------------------------------------------------------------------
-module Main where
-
-import           Build_doctests
-                 (flags, module_sources, pkgs)
-import           Data.Foldable
-                 (traverse_)
-import           Test.DocTest
-
-main :: IO ()
-main = do
-    traverse_ putStrLn args
-    doctest args
-  where
-    args = flags ++ pkgs ++ module_sources

servant/Setup.hs

@@ -1,33 +1,2 @@
-{-# LANGUAGE CPP #-}
-{-# OPTIONS_GHC -Wall #-}
-module Main (main) where
-
-#ifndef MIN_VERSION_cabal_doctest
-#define MIN_VERSION_cabal_doctest(x,y,z) 0
-#endif
-
-#if MIN_VERSION_cabal_doctest(1,0,0)
-
-import Distribution.Extra.Doctest ( defaultMainWithDoctests )
-main :: IO ()
-main = defaultMainWithDoctests "doctests"
-
-#else
-
-#ifdef MIN_VERSION_Cabal
--- If the macro is defined, we have new cabal-install,
--- but for some reason we don't have cabal-doctest in package-db
---
--- Probably we are running cabal sdist, when otherwise using new-build
--- workflow
-#warning You are configuring this package without cabal-doctest installed. \
-         The doctests test-suite will not work as a result. \
-         To fix this, install cabal-doctest before configuring.
-#endif
-
 import           Distribution.Simple
-
-main :: IO ()
 main = defaultMain
-
-#endif

servant/servant.cabal

@@ -18,7 +18,7 @@ license-file:        LICENSE
 author:              Servant Contributors
 maintainer:          haskell-servant-maintainers@googlegroups.com
 copyright:           2014-2016 Zalora South East Asia Pte Ltd, 2016-2019 Servant Contributors
-build-type:          Custom
+build-type:          Simple
 
 tested-with:
   GHC ==8.0.2
@@ -35,12 +35,6 @@ source-repository head
   type: git
   location: http://github.com/haskell-servant/servant.git
 
-custom-setup
-  setup-depends:
-    base >= 4 && <5,
-    Cabal,
-    cabal-doctest >= 1.0.6 && <1.1
-
 library
   exposed-modules:
     Servant.API
@@ -176,26 +170,3 @@ test-suite spec
 
   build-tool-depends:
     hspec-discover:hspec-discover >= 2.6.0 && < 2.8
-
-test-suite doctests
-  if impl(ghcjs)
-    buildable: False
-
-  build-depends:
-      base
-    , servant
-    , doctest >= 0.16.0 && <0.17
-
-  -- We test Links failure with doctest, so we need extra dependencies
-  build-depends:
-      hspec                >= 2.6.0  && < 2.8
-
-  type: exitcode-stdio-1.0
-  main-is: test/doctests.hs
-  buildable: True
-  default-language: Haskell2010
-  ghc-options: -Wall -threaded
-  if impl(ghc >= 8.2)
-    x-doctest-options: -fdiagnostics-color=never
-  x-doctest-source-dirs: test
-  x-doctest-modules: Servant.LinksSpec

servant/test/Servant/LinksSpec.hs

@@ -92,6 +92,9 @@ spec = describe "Servant.Links" $ do
         let firstLink :<|> _ = allLinks comprehensiveAPIWithoutRaw
         firstLink `shouldBeLink` ""
 
+-- The doctests below aren't run on CI, setting that up is tricky.
+-- They are run by makefile rule, however.
+
 -- |
 -- Before https://github.com/CRogers/should-not-typecheck/issues/5 is fixed,
 -- we'll just use doctest

servant/test/doctests.hs

@@ -1,27 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  Main (doctests)
--- Copyright   :  (C) 2012-14 Edward Kmett
--- License     :  BSD-style (see the file LICENSE)
--- Maintainer  :  Edward Kmett <ekmett@gmail.com>
--- Stability   :  provisional
--- Portability :  portable
---
--- This module provides doctests for a project based on the actual versions
--- of the packages it was built with. It requires a corresponding Setup.lhs
--- to be added to the project
------------------------------------------------------------------------------
-module Main where
-
-import           Build_doctests
-                 (flags, module_sources, pkgs)
-import           Data.Foldable
-                 (traverse_)
-import           Test.DocTest
-
-main :: IO ()
-main = do
-    traverse_ putStrLn args
-    doctest args
-  where
-    args = flags ++ pkgs ++ module_sources