4c64af4407
The same init file (`data/init`) that is used to setup the Lua interpreter for Lua filters is also used to setup the interpreter of custom writers.lua.
123 lines
4.9 KiB
Haskell
123 lines
4.9 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Tests.Lua ( tests ) where
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import Control.Monad (when)
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import System.FilePath ((</>))
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import Test.Tasty (TestTree, localOption)
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import Test.Tasty.HUnit (Assertion, assertEqual, testCase)
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import Test.Tasty.QuickCheck (QuickCheckTests (..), ioProperty, testProperty)
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import Text.Pandoc.Arbitrary ()
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import Text.Pandoc.Builder (bulletList, divWith, doc, doubleQuoted, emph,
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header, linebreak, para, plain, rawBlock,
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singleQuoted, space, str, strong, (<>))
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import Text.Pandoc.Class (runIOorExplode, setUserDataDir)
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import Text.Pandoc.Definition (Block, Inline, Meta, Pandoc)
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import Text.Pandoc.Lua (runLuaFilter, runPandocLua)
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import qualified Foreign.Lua as Lua
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tests :: [TestTree]
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tests = map (localOption (QuickCheckTests 20))
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[ testProperty "inline elements can be round-tripped through the lua stack" $
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\x -> ioProperty (roundtripEqual (x::Inline))
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, testProperty "block elements can be round-tripped through the lua stack" $
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\x -> ioProperty (roundtripEqual (x::Block))
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, testProperty "meta blocks can be round-tripped through the lua stack" $
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\x -> ioProperty (roundtripEqual (x::Meta))
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, testProperty "documents can be round-tripped through the lua stack" $
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\x -> ioProperty (roundtripEqual (x::Pandoc))
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, testCase "macro expansion via filter" $
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assertFilterConversion "a '{{helloworld}}' string is expanded"
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"strmacro.lua"
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(doc . para $ str "{{helloworld}}")
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(doc . para . emph $ str "Hello, World")
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, testCase "convert all plains to paras" $
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assertFilterConversion "plains become para"
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"plain-to-para.lua"
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(doc $ bulletList [plain (str "alfa"), plain (str "bravo")])
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(doc $ bulletList [para (str "alfa"), para (str "bravo")])
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, testCase "make hello world document" $
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assertFilterConversion "Document contains 'Hello, World!'"
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"hello-world-doc.lua"
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(doc . para $ str "Hey!" <> linebreak <> str "What's up?")
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(doc . para $ str "Hello," <> space <> str "World!")
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, testCase "implicit doc filter" $
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assertFilterConversion "Document contains 'Hello, World!'"
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"implicit-doc-filter.lua"
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(doc . plain $ linebreak)
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(doc . para $ str "Hello," <> space <> str "World!")
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, testCase "parse raw markdown blocks" $
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assertFilterConversion "raw markdown block is converted"
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"markdown-reader.lua"
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(doc $ rawBlock "markdown" "*charly* **delta**")
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(doc . para $ emph "charly" <> space <> strong "delta")
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, testCase "allow shorthand functions for quote types" $
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assertFilterConversion "single quoted becomes double quoted string"
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"single-to-double-quoted.lua"
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(doc . para . singleQuoted $ str "simple")
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(doc . para . doubleQuoted $ str "simple")
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, testCase "Count inlines via metatable catch-all" $
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assertFilterConversion "filtering with metatable catch-all failed"
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"metatable-catch-all.lua"
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(doc . para $ "four words, three spaces")
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(doc . para $ str "7")
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, testCase "Count blocks via Block-specific catch-all" $
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assertFilterConversion "filtering with Block catch-all failed"
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"block-count.lua"
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(doc $ para "one" <> para "two")
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(doc $ para "2")
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, testCase "Convert header upper case" $
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assertFilterConversion "converting header to upper case failed"
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"uppercase-header.lua"
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(doc $ header 1 "les états-unis" <> para "text")
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(doc $ header 1 "LES ÉTATS-UNIS" <> para "text")
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, testCase "Attribute lists are convenient to use" $
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let kv_before = [("one", "1"), ("two", "2"), ("three", "3")]
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kv_after = [("one", "eins"), ("three", "3"), ("five", "5")]
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in assertFilterConversion "Attr doesn't behave as expected"
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"attr-test.lua"
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(doc $ divWith ("", [], kv_before) (para "nil"))
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(doc $ divWith ("", [], kv_after) (para "nil"))
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]
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assertFilterConversion :: String -> FilePath -> Pandoc -> Pandoc -> Assertion
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assertFilterConversion msg filterPath docIn docExpected = do
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docEither <- runIOorExplode $ do
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setUserDataDir (Just "../data")
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runLuaFilter ("lua" </> filterPath) [] docIn
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case docEither of
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Left _ -> fail "lua filter failed"
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Right docRes -> assertEqual msg docExpected docRes
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roundtripEqual :: (Eq a, Lua.FromLuaStack a, Lua.ToLuaStack a) => a -> IO Bool
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roundtripEqual x = (x ==) <$> roundtripped
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where
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roundtripped :: (Lua.FromLuaStack a, Lua.ToLuaStack a) => IO a
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roundtripped = runIOorExplode $ do
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setUserDataDir (Just "../data")
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res <- runPandocLua $ do
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oldSize <- Lua.gettop
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Lua.push x
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size <- Lua.gettop
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when (size - oldSize /= 1) $
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error ("not exactly one additional element on the stack: " ++ show size)
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res <- Lua.peekEither (-1)
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case res of
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Left _ -> error "could not read from stack"
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Right y -> return y
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case res of
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Left e -> error (show e)
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Right y -> return y
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