42 lines
1.5 KiB
Haskell
42 lines
1.5 KiB
Haskell
{- This Source Code Form is subject to the terms of the Mozilla Public License,
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v. 2.0. If a copy of the MPL was not distributed with this file, You can
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obtain one at https://mozilla.org/MPL/2.0/. -}
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{-# LANGUAGE ExplicitForAll #-}
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{-# LANGUAGE OverloadedStrings #-}
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-- | Test helpers.
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module Test.Hspec.GraphQL
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( shouldResolve
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, shouldResolveTo
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) where
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import Control.Monad.Catch (MonadCatch)
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import qualified Data.Aeson as Aeson
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import qualified Data.HashMap.Strict as HashMap
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import Data.Text (Text)
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import Language.GraphQL.Error
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import Test.Hspec.Expectations (Expectation, expectationFailure, shouldBe, shouldNotSatisfy)
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-- | Asserts that a query resolves to some value.
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shouldResolveTo :: MonadCatch m
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=> Either (ResponseEventStream m Aeson.Value) Aeson.Object
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-> Aeson.Object
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-> Expectation
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shouldResolveTo (Right actual) expected = actual `shouldBe` expected
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shouldResolveTo _ _ = expectationFailure
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"the query is expected to resolve to a value, but it resolved to an event stream"
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-- | Asserts that the response doesn't contain any errors.
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shouldResolve :: MonadCatch m
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=> (Text -> IO (Either (ResponseEventStream m Aeson.Value) Aeson.Object))
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-> Text
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-> Expectation
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shouldResolve executor query = do
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actual <- executor query
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case actual of
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Right response ->
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response `shouldNotSatisfy` HashMap.member "errors"
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_ -> expectationFailure
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"the query is expected to resolve to a value, but it resolved to an event stream"
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