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Julian Arni 0f334449cb
Merge pull request #40 from Phenitei/expose-missing-predicates
Add forgotten predicates to export list.
2017-12-14 21:33:22 -08:00
doc docs 2016-07-18 16:12:21 -03:00
src/Servant Add forgotten predicates to export list. 2017-12-15 00:22:57 +01:00
test Support for servant-0.12 2017-11-08 10:49:31 +02:00
.gitignore Add predicate getsHaveLastModifiedHeader. 2016-10-03 15:39:46 +02:00
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CHANGELOG.yaml Support for servant-0.12 2017-11-08 10:49:31 +02:00
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stack-lts-9.yaml Tentatively support Servant 0.11 2017-10-18 14:36:45 +02:00
stack.yaml Bump HSpec to 2.4.4 and make tests use safeEvaluateExample to capture failure msg 2017-07-15 15:03:06 -07:00

servant-quickcheck

servant-quickcheck provides tools to test properties across entire APIs. Rather than writing the same tests for each endpoint, with servant-quickcheck you can simply specify properties every endpoint must meet once and for all. For example:

followsBestPractices :: Spec
followsBestPractices = describe "my API" $ do

  it "follows best practices" $ do
    withServantServer myAPI myServer $ \burl ->
      serverSatisfies api burl stdArgs
           ( not500
         <%> onlyJsonObjects
         <%> getsHaveCacheControlHeader
         <%> headsHaveCacheControlHeader
         <%> mempty)

Additionally, servant-quickcheck provides a serversEqual function that generates arbitrary requests (that conform to the description of an API) and tests that two servers respond identically to them. This can be useful when refactoring or rewriting an API that should not change.