diff options
Diffstat (limited to 'third_party/bazel/rules_haskell/tools')
16 files changed, 640 insertions, 0 deletions
diff --git a/third_party/bazel/rules_haskell/tools/BUILD.bazel b/third_party/bazel/rules_haskell/tools/BUILD.bazel new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/BUILD.bazel diff --git a/third_party/bazel/rules_haskell/tools/README.md b/third_party/bazel/rules_haskell/tools/README.md new file mode 100644 index 000000000000..1d3ef16f8d20 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/README.md @@ -0,0 +1,3 @@ +Note: `py_library`s cannot be put into this folder, lest they produce +a namespace collision with `@bazel_tools/tools`. +See https://github.com/bazelbuild/bazel/issues/7051 diff --git a/third_party/bazel/rules_haskell/tools/coverage-reports/BUILD b/third_party/bazel/rules_haskell/tools/coverage-reports/BUILD new file mode 100644 index 000000000000..6fd59e0ca0d5 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/coverage-reports/BUILD @@ -0,0 +1,20 @@ +load( + "@io_tweag_rules_haskell//haskell:haskell.bzl", + "haskell_binary", +) + +haskell_binary( + name = "coverage-report-renderer", + srcs = ["Main.hs"], + visibility = ["//visibility:public"], + deps = [ + "@hackage//:MissingH", + "@hackage//:base", + "@hackage//:cmdargs", + "@hackage//:directory", + "@hackage//:filepath", + "@hackage//:hxt", + "@hackage//:hxt-xpath", + "@hackage//:listsafe", + ], +) diff --git a/third_party/bazel/rules_haskell/tools/coverage-reports/Main.hs b/third_party/bazel/rules_haskell/tools/coverage-reports/Main.hs new file mode 100644 index 000000000000..5ab4dafdefc1 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/coverage-reports/Main.hs @@ -0,0 +1,134 @@ +{-# LANGUAGE DeriveDataTypeable #-} +{-# LANGUAGE NamedFieldPuns #-} +{-# LANGUAGE OverloadedStrings #-} + +import Control.Monad (forM_) + +import Control.Arrow.ListArrow (runLA) +import Data.Either.Utils (maybeToEither) +import Data.List (find) +import Data.List.Safe (head, tail) +import Data.List.Utils (split) +import Data.Tree.NTree.TypeDefs (NTree(..)) +import Prelude hiding (head, tail) +import System.Console.CmdArgs.Implicit (Data, Typeable, cmdArgs) +import System.Directory (createDirectoryIfMissing) +import System.Exit (exitFailure) +import System.FilePath (FilePath, (</>), takeDirectory) +import qualified Text.XML.HXT.Arrow.ReadDocument as XML +import Text.XML.HXT.DOM.QualifiedName (localPart) +import Text.XML.HXT.DOM.TypeDefs (XNode(..), XmlTree) +import Text.XML.HXT.XPath.XPathEval (getXPath, getXPathSubTrees) + +data Args = Args + { testlog :: FilePath + , destdir :: FilePath + } deriving (Data, Typeable) + +data ReportFile = ReportFile + { content :: String + , filename :: FilePath + } deriving (Show) + +main :: IO () +main = do + Args {testlog, destdir} <- cmdArgs $ Args {testlog = "", destdir = ""} + if testlog == "" + then putStrLn noTestlogError >> exitFailure + else do + fileContents <- readFile testlog + let xmlTrees = runLA XML.xreadDoc fileContents + let rootTree = find isRoot xmlTrees + case rootTree of + Nothing -> do + putStrLn "Invalid XML format for testlog." + exitFailure + Just tree -> do + let reportFiles = generateReportFiles tree + case reportFiles of + Right reports -> + forM_ reports $ \ReportFile {content, filename} -> do + putStrLn $ concat ["Creating ", show $ destdir </> filename] + createDirectoryIfMissing + True + (destdir </> takeDirectory filename) + writeFile (destdir </> filename) content + Left err -> do + putStrLn err + exitFailure + +generateReportFiles :: XmlTree -> Either String [ReportFile] +generateReportFiles doc = + let testSuites = getXPath "/testsuites/testsuite" doc + in concat <$> sequence (reportsForTestCase <$> testSuites) + +reportsForTestCase :: XmlTree -> Either String [ReportFile] +reportsForTestCase testSuite = do + caseName <- + extractAttr =<< + maybeToEither + "Couldn't find testcase name." + (head (getXPathSubTrees "/testsuite/testcase/@name" testSuite)) + let coverageOutputDirectory = takeDirectory caseName + testOutput <- + extractText =<< + maybeToEither + "Couldn't find system output." + (head (getXPathSubTrees "/testsuite/system-out" testSuite)) + htmlPortion <- + maybeToEither + ("Couldn't find HTML report section in test case " ++ caseName ++ ".") + (head =<< tail (split testOutputSeparator testOutput)) + let coverageReportPartXmlTrees = runLA XML.hreadDoc htmlPortion + traverse + (coveragePartToReportFile coverageOutputDirectory) + coverageReportPartXmlTrees + +coveragePartToReportFile :: FilePath -> XmlTree -> Either String ReportFile +coveragePartToReportFile parentDirectory reportPart = do + filename <- + extractAttr =<< + maybeToEither + "Couldn't find report part name." + (head (getXPathSubTrees "/coverage-report-part/@name" reportPart)) + content <- extractText reportPart + return $ + ReportFile + { content = content + , filename = "coverage-reports" </> parentDirectory </> filename + } + +noTestlogError :: String +noTestlogError = + unlines + [ "ERROR: You must specify the testlog XML file location with --testlog." + , "It is found inside the bazel-testlog, in the respective" + , "folder for the test you're interested in." + , "This must be after having run 'bazel coverage'." + ] + +isRoot :: XmlTree -> Bool +isRoot tree = + case tree of + NTree (XTag name _) _ -> localPart name == "testsuites" + _ -> False + +extractAttr :: XmlTree -> Either String String +extractAttr tree = + case tree of + NTree (XAttr _) [NTree (XText value) []] -> pure value + _ -> Left "Couldn't extract attribute from test XML." + +extractText :: XmlTree -> Either String String +extractText tree = + let treeToText :: XmlTree -> String -> String + treeToText textTree acc = + case textTree of + (NTree (XText value) _) -> acc ++ value + _ -> "" + in case tree of + NTree (XTag _ _) textTree -> pure $ foldr treeToText "" textTree + _ -> Left "Couldn't extract text from test XML." + +testOutputSeparator :: String +testOutputSeparator = "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%" diff --git a/third_party/bazel/rules_haskell/tools/os_info.bzl b/third_party/bazel/rules_haskell/tools/os_info.bzl new file mode 100644 index 000000000000..242be51855cf --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/os_info.bzl @@ -0,0 +1,29 @@ +load("@bazel_tools//tools/cpp:lib_cc_configure.bzl", "get_cpu_value") + +_os_info_bzl_template = """ +cpu_value = "{CPU_VALUE}" +is_darwin = cpu_value == "darwin" +is_linux = cpu_value == "k8" +is_windows = cpu_value == "x64_windows" +""" + +def _os_info_impl(repository_ctx): + cpu = get_cpu_value(repository_ctx) + os_info_substitutions = { + "CPU_VALUE": cpu, + } + repository_ctx.file( + "os_info.bzl", + _os_info_bzl_template.format(**os_info_substitutions), + False, + ) + repository_ctx.file( + "BUILD", + "", + False, + ) + +os_info = repository_rule( + implementation = _os_info_impl, + local = True, +) diff --git a/third_party/bazel/rules_haskell/tools/runfiles/BUILD.bazel b/third_party/bazel/rules_haskell/tools/runfiles/BUILD.bazel new file mode 100644 index 000000000000..bc99b96c037a --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/BUILD.bazel @@ -0,0 +1,46 @@ +load( + "@io_tweag_rules_haskell//haskell:haskell.bzl", + "haskell_library", + "haskell_test", +) + +haskell_library( + name = "runfiles", + srcs = ["src/Bazel/Runfiles.hs"], + src_strip_prefix = "src", + visibility = ["//visibility:public"], + deps = [ + "@hackage//:base", + "@hackage//:directory", + "@hackage//:filepath", + ], +) + +haskell_test( + name = "bin", + testonly = 1, + srcs = ["bin/Bin.hs"], + data = ["bin-data.txt"], + src_strip_prefix = "bin", + deps = [ + ":runfiles", + "@hackage//:base", + "@hackage//:filepath", + ], +) + +haskell_test( + name = "test", + srcs = ["test/Test.hs"], + data = [ + "test-data.txt", + ":bin", + ], + src_strip_prefix = "test", + deps = [ + ":runfiles", + "@hackage//:base", + "@hackage//:filepath", + "@hackage//:process", + ], +) diff 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This is useful in tests for example. + +```haskell +module Main (main) where + +import qualified Bazel.Runfiles as Runfiles +import Control.Monad (when) +import System.Process (callProcess) + +main :: IO () +main = do + r <- Runfiles.create + foo <- readFile (Runfiles.rlocation r "io_tweag_rules_haskell/tools/runfiles/test-data.txt") + when (lines foo /= ["foo"]) -- ignore trailing newline + $ error $ "Incorrect contents: got: " ++ show foo + callProcess (Runfiles.rlocation r "io_tweag_rules_haskell/tools/runfiles/bin") [] +``` diff --git a/third_party/bazel/rules_haskell/tools/runfiles/bazel-runfiles.cabal b/third_party/bazel/rules_haskell/tools/runfiles/bazel-runfiles.cabal new file mode 100644 index 000000000000..edfc7b6e00b9 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/bazel-runfiles.cabal @@ -0,0 +1,53 @@ +-- This file has been generated from package.yaml by hpack version 0.28.2. +-- +-- see: https://github.com/sol/hpack +-- +-- hash: bd1c2ce5b0ffa0157650e1c2409d31b818889736ef09aaf51de71e54d9a7d3fc + +name: bazel-runfiles +version: 0.7.0.1 +synopsis: Locate Bazel runfiles location +description: Please see the README on GitHub at <https://github.com/tweag/rules_haskell/blob/master/tools/runfiles/README.md> +category: Build Tool +homepage: https://github.com/tweag/rules_haskell#readme +bug-reports: https://github.com/tweag/rules_haskell/issues +author: Tweag I/O Limited +maintainer: m@tweag.io +copyright: 2018 Tweag I/O Limited +license: Apache-2.0 +license-file: LICENSE +build-type: Simple +cabal-version: >= 1.10 +extra-source-files: + LICENSE + README.md + +source-repository head + type: git + location: https://github.com/tweag/rules_haskell + +library + exposed-modules: + Bazel.Runfiles + other-modules: + Paths_bazel_runfiles + hs-source-dirs: + src + build-depends: + base >=4.7 && <5 + , directory + , filepath + default-language: Haskell2010 + +executable bazel-runfiles-exe + main-is: Bin.hs + other-modules: + Paths_bazel_runfiles + hs-source-dirs: + bin + ghc-options: -threaded -rtsopts -with-rtsopts=-N + build-depends: + base + , bazel-runfiles + , filepath + default-language: Haskell2010 diff --git a/third_party/bazel/rules_haskell/tools/runfiles/bin-data.txt b/third_party/bazel/rules_haskell/tools/runfiles/bin-data.txt new file mode 100644 index 000000000000..5716ca5987cb --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/bin-data.txt @@ -0,0 +1 @@ +bar diff --git a/third_party/bazel/rules_haskell/tools/runfiles/bin/Bin.hs b/third_party/bazel/rules_haskell/tools/runfiles/bin/Bin.hs new file mode 100644 index 000000000000..5bc90c70bc01 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/bin/Bin.hs @@ -0,0 +1,12 @@ +module Main (main) where + +import qualified Bazel.Runfiles as Runfiles +import Control.Monad (when) +import System.FilePath ((</>)) + +main :: IO () +main = do + r <- Runfiles.create + bar <- readFile (Runfiles.rlocation r "io_tweag_rules_haskell/tools/runfiles/bin-data.txt") + when (lines bar /= ["bar"]) -- ignore trailing newline + $ error $ "Incorrect contents: got: " ++ show bar diff --git a/third_party/bazel/rules_haskell/tools/runfiles/package.yaml b/third_party/bazel/rules_haskell/tools/runfiles/package.yaml new file mode 100644 index 000000000000..fb6d3081a6b4 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/package.yaml @@ -0,0 +1,43 @@ +name: bazel-runfiles +version: 0.7.0.1 +github: "tweag/rules_haskell" +license: Apache-2.0 +author: "Tweag I/O Limited" +maintainer: "m@tweag.io" +copyright: "2018 Tweag I/O Limited" + +extra-source-files: +- README.md +- LICENSE + +synopsis: Locate Bazel runfiles location +category: Build Tool + +# To avoid duplicated efforts in documentation and dealing with the +# complications of embedding Haddock markup inside cabal files, it is +# common to point users to the README.md file. +description: Please see the README on GitHub at <https://github.com/tweag/rules_haskell/blob/master/tools/runfiles/README.md> + +dependencies: +- base >= 4.7 && < 5 + +library: + source-dirs: src + dependencies: + - directory + - filepath + exposed-modules: + - Bazel.Runfiles + +executables: + bazel-runfiles-exe: + main: Bin.hs + source-dirs: bin + ghc-options: + - -threaded + - -rtsopts + - -with-rtsopts=-N + dependencies: + - base + - bazel-runfiles + - filepath diff --git a/third_party/bazel/rules_haskell/tools/runfiles/src/Bazel/Runfiles.hs b/third_party/bazel/rules_haskell/tools/runfiles/src/Bazel/Runfiles.hs new file mode 100644 index 000000000000..8dfb980e1801 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/src/Bazel/Runfiles.hs @@ -0,0 +1,62 @@ +-- | This module enables finding data dependencies ("runfiles") of Haskell +-- binaries at runtime. +-- +-- For more information, see: https://github.com/bazelbuild/bazel/issues/4460 +-- +-- Note: this does not currently support the RUNFILES_MANIFEST environmental +-- variable. However, that's only necessary on Windows, which rules_haskell +-- doesn't support yet. +-- +-- Additionally, this is not yet supported by the REPL. +module Bazel.Runfiles + ( Runfiles + , create + , rlocation + , env + ) where + +import System.Directory (doesDirectoryExist) +import System.Environment (getExecutablePath, lookupEnv) +import System.FilePath (FilePath, (</>), (<.>)) + +-- | A path to a directory tree containing runfiles for the given +newtype Runfiles = Runfiles FilePath + deriving Show + +-- | Construct a path to a data dependency within the given runfiles. +-- +-- For example: @rlocation \"myworkspace/mypackage/myfile.txt\"@ +rlocation :: Runfiles -> FilePath -> FilePath +rlocation (Runfiles f) g = f </> g + +-- | Set environmental variables for locating the given runfiles directory. +-- +-- Note that Bazel will set these automatically when it runs tests +-- (@bazel test@). However, it will not automatically set them +-- during "bazel run"; thus, non-test binaries should set the +-- environment manually for processes that they call. +env :: Runfiles -> [(String, String)] +env (Runfiles f) = [(runfilesDirEnv, f)] + +runfilesDirEnv :: String +runfilesDirEnv = "RUNFILES_DIR" + +-- | Locate the runfiles directory for the current binary. +-- +-- This behaves according to the specification in: +-- https://docs.google.com/document/d/e/2PACX-1vSDIrFnFvEYhKsCMdGdD40wZRBX3m3aZ5HhVj4CtHPmiXKDCxioTUbYsDydjKtFDAzER5eg7OjJWs3V/pub +-- +-- Note: it does not currently support the @RUNFILES_MANIFEST@ environmental +-- variable. However, that's only necessary on Windows, which rules_haskell +-- doesn't support yet anyway. +create :: IO Runfiles +create = do + exeRunfilesPath <- fmap (<.> "runfiles") getExecutablePath + exeRunfilesExists <- doesDirectoryExist exeRunfilesPath + if exeRunfilesExists + then return $ Runfiles exeRunfilesPath + else do + envDir <- lookupEnv runfilesDirEnv + case envDir of + Just f -> return $ Runfiles f + Nothing -> error "Unable to locate runfiles directory" diff --git a/third_party/bazel/rules_haskell/tools/runfiles/stack.yaml b/third_party/bazel/rules_haskell/tools/runfiles/stack.yaml new file mode 100644 index 000000000000..03da81a5531e --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/stack.yaml @@ -0,0 +1,3 @@ +resolver: lts-12.16 +packages: +- . diff --git a/third_party/bazel/rules_haskell/tools/runfiles/test-data.txt b/third_party/bazel/rules_haskell/tools/runfiles/test-data.txt new file mode 100644 index 000000000000..257cc5642cb1 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/test-data.txt @@ -0,0 +1 @@ +foo diff --git a/third_party/bazel/rules_haskell/tools/runfiles/test/Test.hs b/third_party/bazel/rules_haskell/tools/runfiles/test/Test.hs new file mode 100644 index 000000000000..3ef3b28df514 --- /dev/null +++ b/third_party/bazel/rules_haskell/tools/runfiles/test/Test.hs @@ -0,0 +1,13 @@ +module Main (main) where + +import qualified Bazel.Runfiles as Runfiles +import Control.Monad (when) +import System.Process (callProcess) + +main :: IO () +main = do + r <- Runfiles.create + foo <- readFile (Runfiles.rlocation r "io_tweag_rules_haskell/tools/runfiles/test-data.txt") + when (lines foo /= ["foo"]) -- ignore trailing newline + $ error $ "Incorrect contents: got: " ++ show foo + callProcess (Runfiles.rlocation r "io_tweag_rules_haskell/tools/runfiles/bin") [] |