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Diffstat (limited to 'test/Xanthous/Messages')
-rw-r--r-- | test/Xanthous/Messages/TemplateSpec.hs | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/test/Xanthous/Messages/TemplateSpec.hs b/test/Xanthous/Messages/TemplateSpec.hs new file mode 100644 index 000000000000..8ea5186c5050 --- /dev/null +++ b/test/Xanthous/Messages/TemplateSpec.hs @@ -0,0 +1,80 @@ +-------------------------------------------------------------------------------- +module Xanthous.Messages.TemplateSpec (main, test) where +-------------------------------------------------------------------------------- +import Test.Prelude +import Test.QuickCheck.Instances.Text () +import Data.List.NonEmpty (NonEmpty(..)) +import Data.Function (fix) +-------------------------------------------------------------------------------- +import Xanthous.Messages.Template +-------------------------------------------------------------------------------- + +main :: IO () +main = defaultMain test + +test :: TestTree +test = testGroup "Xanthous.Messages.Template" + [ testGroup "parsing" + [ testProperty "literals" $ forAll genLiteral $ \s -> + testParse template s === Right (Literal s) + , parseCase "escaped curlies" + "foo\\{" + $ Literal "foo{" + , parseCase "simple substitution" + "foo {{bar}}" + $ Literal "foo " `Concat` Subst (SubstPath $ "bar" :| []) + , parseCase "substitution with filters" + "foo {{bar | baz}}" + $ Literal "foo " + `Concat` Subst (SubstFilter (SubstPath $ "bar" :| []) + (FilterName "baz")) + , parseCase "substitution with multiple filters" + "foo {{bar | baz | qux}}" + $ Literal "foo " + `Concat` Subst (SubstFilter (SubstFilter (SubstPath $ "bar" :| []) + (FilterName "baz")) + (FilterName "qux")) + , parseCase "two substitutions and a literal" + "{{a}}{{b}}c" + $ Subst (SubstPath $ "a" :| []) + `Concat` Subst (SubstPath $ "b" :| []) + `Concat` Literal "c" + , localOption (QuickCheckTests 10) + $ testProperty "round-trips with ppTemplate" $ \tpl -> + testParse template (ppTemplate tpl) === Right tpl + ] + , testBatch $ monoid @Template mempty + , testGroup "rendering" + [ testProperty "rendering literals renders literally" + $ forAll genLiteral $ \s fs vs -> + render fs vs (Literal s) === Right s + , testProperty "rendering substitutions renders substitutions" + $ forAll genPath $ \ident val fs -> + let tpl = Subst (SubstPath ident) + tvs = varsWith ident val + in render fs tvs tpl === Right val + , testProperty "filters filter" $ forAll genPath + $ \ident filterName filterFn val -> + let tpl = Subst (SubstFilter (SubstPath ident) filterName) + fs = mapFromList [(filterName, filterFn)] + vs = varsWith ident val + in render fs vs tpl === Right (filterFn val) + ] + ] + where + genLiteral = filter (`notElem` ['\\', '{']) <$> arbitrary + parseCase name input expected = + testCase name $ testParse template input @?= Right expected + testParse p = over _Left errorBundlePretty . runParser p "<test>" + genIdentifier = pack @Text <$> listOf1 (elements identifierChars) + identifierChars = ['a'..'z'] <> ['A'..'Z'] <> ['-', '_'] + + varsWith (p :| []) val = vars [(p, Val val)] + varsWith (phead :| ps) val = vars . pure . (phead ,) . flip fix ps $ + \next pth -> case pth of + [] -> Val val + p : ps' -> nested [(p, next ps')] + + genPath = (:|) <$> genIdentifier <*> listOf genIdentifier + +-- |