2edb963b97
git-subtree-dir: users/glittershark/xanthous git-subtree-mainline:91f53f02d8git-subtree-split:53b56744f4
80 lines
3.2 KiB
Haskell
80 lines
3.2 KiB
Haskell
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module Xanthous.Messages.TemplateSpec (main, test) where
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import Test.Prelude
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import Test.QuickCheck.Instances.Text ()
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import Data.List.NonEmpty (NonEmpty(..))
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import Data.Function (fix)
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import Xanthous.Messages.Template
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main :: IO ()
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main = defaultMain test
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test :: TestTree
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test = testGroup "Xanthous.Messages.Template"
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[ testGroup "parsing"
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[ testProperty "literals" $ forAll genLiteral $ \s ->
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testParse template s === Right (Literal s)
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, parseCase "escaped curlies"
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"foo\\{"
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$ Literal "foo{"
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, parseCase "simple substitution"
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"foo {{bar}}"
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$ Literal "foo " `Concat` Subst (SubstPath $ "bar" :| [])
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, parseCase "substitution with filters"
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"foo {{bar | baz}}"
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$ Literal "foo "
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`Concat` Subst (SubstFilter (SubstPath $ "bar" :| [])
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(FilterName "baz"))
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, parseCase "substitution with multiple filters"
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"foo {{bar | baz | qux}}"
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$ Literal "foo "
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`Concat` Subst (SubstFilter (SubstFilter (SubstPath $ "bar" :| [])
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(FilterName "baz"))
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(FilterName "qux"))
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, parseCase "two substitutions and a literal"
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"{{a}}{{b}}c"
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$ Subst (SubstPath $ "a" :| [])
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`Concat` Subst (SubstPath $ "b" :| [])
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`Concat` Literal "c"
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, localOption (QuickCheckTests 10)
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$ testProperty "round-trips with ppTemplate" $ \tpl ->
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testParse template (ppTemplate tpl) === Right tpl
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]
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, testBatch $ monoid @Template mempty
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, testGroup "rendering"
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[ testProperty "rendering literals renders literally"
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$ forAll genLiteral $ \s fs vs ->
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render fs vs (Literal s) === Right s
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, testProperty "rendering substitutions renders substitutions"
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$ forAll genPath $ \ident val fs ->
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let tpl = Subst (SubstPath ident)
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tvs = varsWith ident val
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in render fs tvs tpl === Right val
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, testProperty "filters filter" $ forAll genPath
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$ \ident filterName filterFn val ->
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let tpl = Subst (SubstFilter (SubstPath ident) filterName)
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fs = mapFromList [(filterName, filterFn)]
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vs = varsWith ident val
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in render fs vs tpl === Right (filterFn val)
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]
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]
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where
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genLiteral = filter (`notElem` ['\\', '{']) <$> arbitrary
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parseCase name input expected =
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testCase name $ testParse template input @?= Right expected
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testParse p = over _Left errorBundlePretty . runParser p "<test>"
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genIdentifier = pack @Text <$> listOf1 (elements identifierChars)
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identifierChars = ['a'..'z'] <> ['A'..'Z'] <> ['-', '_']
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varsWith (p :| []) val = vars [(p, Val val)]
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varsWith (phead :| ps) val = vars . pure . (phead ,) . flip fix ps $
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\next pth -> case pth of
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[] -> Val val
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p : ps' -> nested [(p, next ps')]
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genPath = (:|) <$> genIdentifier <*> listOf genIdentifier
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--
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