Test.Fluent.Assertions.Exceptions

This module provide an assertion for check if expected Exception has been throw by IO action.

Exception selectors

anyException :: ExceptionSelector SomeException

Select all exceptions.

anyIOException :: ExceptionSelector IOException

Select all IOException.

exceptionOfType :: Exception e => ExceptionSelector e

Select all an Exception of given type. This selector should be used with TypeApplications

data MyException = ThisException | ThatException
 deriving (Show)

instance Exception MyException

selectMyException = exceptionType @MyException

Exception selector type

type ExceptionSelector a = a -> a