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semantic/test/Semantic/CLI/Spec.hs
2019-12-17 13:26:20 -08:00

77 lines
4.0 KiB
Haskell

module Semantic.CLI.Spec (testTree) where
import Control.Carrier.Parse.Simple
import Control.Carrier.Reader
import Data.ByteString.Builder
import Semantic.Api hiding (Blob, BlobPair, File)
import Semantic.Task
import Serializing.Format
import System.IO.Unsafe
import qualified System.Path as Path
import System.Path ((</>))
import qualified System.Path.Directory as Path
import SpecHelpers
import Test.Tasty
import Test.Tasty.Golden
testTree :: TestTree
testTree = testGroup "Semantic.CLI"
[ testGroup "parseDiffBuilder" $ fmap testForDiffFixture diffFixtures
, testGroup "parseTermBuilder" $ fmap testForParseFixture parseFixtures
]
-- We provide this function to the golden tests so as to have better
-- output when diffing JSON outputs. If you're investigating these
-- tests and find this output hard to read, install the `jd` CLI tool
-- (https://github.com/josephburnett/jd), which will print a detailed
-- summary of the differences between these JSON files.
renderDiff :: String -> String -> [String]
renderDiff ref new = unsafePerformIO $ do
useJD <- (Path.hasExtension ".json" (Path.relPath ref) &&) <$> fmap isJust (Path.findExecutable "jd")
pure $ if useJD
then ["jd", "-set", ref, new]
else ["git", "diff", ref, new]
{-# NOINLINE renderDiff #-}
testForDiffFixture :: (String, [BlobPair] -> ParseC TaskC Builder, [(File, File)], Path.RelFile) -> TestTree
testForDiffFixture (diffRenderer, runDiff, files, expected) =
goldenVsStringDiff
("diff fixture renders to " <> diffRenderer <> " " <> show files)
renderDiff
(Path.toString expected)
(fmap toLazyByteString . runTaskOrDie $ readBlobPairs (Right files) >>= runDiff)
testForParseFixture :: (String, [Blob] -> ParseC TaskC Builder, [File], Path.RelFile) -> TestTree
testForParseFixture (format, runParse, files, expected) =
goldenVsStringDiff
("diff fixture renders to " <> format)
renderDiff
(Path.toString expected)
(fmap toLazyByteString . runTaskOrDie $ readBlobs (FilesFromPaths files) >>= runParse)
parseFixtures :: [(String, [Blob] -> ParseC TaskC Builder, [File], Path.RelFile)]
parseFixtures =
[ ("s-expression", run . parseTermBuilder TermSExpression, path, Path.relFile "test/fixtures/ruby/corpus/and-or.parseA.txt")
, ("json", run . parseTermBuilder TermJSONTree, path, prefix </> Path.file "parse-tree.json")
, ("json", run . parseTermBuilder TermJSONTree, path', prefix </> Path.file "parse-trees.json")
, ("json", run . parseTermBuilder TermJSONTree, [], prefix </> Path.file "parse-tree-empty.json")
, ("symbols", run . parseSymbolsBuilder Serializing.Format.JSON, path'', prefix </> Path.file "parse-tree.symbols.json")
, ("protobuf symbols", run . parseSymbolsBuilder Serializing.Format.Proto, path'', prefix </> Path.file "parse-tree.symbols.protobuf.bin")
]
where path = [File "test/fixtures/ruby/corpus/and-or.A.rb" Ruby]
path' = [File "test/fixtures/ruby/corpus/and-or.A.rb" Ruby, File "test/fixtures/ruby/corpus/and-or.B.rb" Ruby]
path'' = [File "test/fixtures/ruby/corpus/method-declaration.A.rb" Ruby]
prefix = Path.relDir "test/fixtures/cli"
run = runReader (PerLanguageModes ALaCarte ALaCarte)
diffFixtures :: [(String, [BlobPair] -> ParseC TaskC Builder, [(File, File)], Path.RelFile)]
diffFixtures =
[ ("json diff", parseDiffBuilder DiffJSONTree, pathMode, prefix </> Path.file "diff-tree.json")
, ("s-expression diff", parseDiffBuilder DiffSExpression, pathMode, Path.relFile "test/fixtures/ruby/corpus/method-declaration.diffA-B.txt")
, ("toc summaries diff", runReader defaultLanguageModes . diffSummaryBuilder Serializing.Format.JSON, pathMode, prefix </> Path.file "diff-tree.toc.json")
, ("protobuf diff", runReader defaultLanguageModes . diffSummaryBuilder Serializing.Format.Proto, pathMode, prefix </> Path.file "diff-tree.toc.protobuf.bin")
]
where pathMode = [(File "test/fixtures/ruby/corpus/method-declaration.A.rb" Ruby, File "test/fixtures/ruby/corpus/method-declaration.B.rb" Ruby)]
prefix = Path.relDir "test/fixtures/cli"