hspec-megaparsec

Utility functions for testing Megaparsec parsers with Hspec

https://github.com/mrkkrp/hspec-megaparsec

LTS Haskell 24.3:2.2.1
Stackage Nightly 2025-08-08:2.2.1
Latest on Hackage:2.2.1

See all snapshots hspec-megaparsec appears in

BSD-3-Clause licensed and maintained by Mark Karpov
This version can be pinned in stack with:hspec-megaparsec-2.2.1@sha256:da19aa455fc9a208f66578ca808fa6c49d17f4e439193bbca79bbf95c9ee2028,1664

Module documentation for 2.2.1

Used by 1 package in lts-24.3(full list with versions):
megaparsec-tests

Hspec Megaparsec

License BSD3 Hackage Stackage Nightly Stackage LTS CI

The package is the recommended library for testing Megaparsec parsers with with Hspec.

Consult the Haddocks for usage, which should be trivial. Also see test suite of this package or Megaparsec test suite.

Contribution

Issues, bugs, and questions may be reported in the GitHub issue tracker for this project.

Pull requests are also welcome.

License

Copyright © 2016–present Mark Karpov

Distributed under BSD 3 clause license.

Changes

Hspec Megaparsec 2.2.1

  • Maintenance release with more modern and minimal dependencies.

Hspec Megaparsec 2.2.0

  • Works with Megaparsec 9.

Hspec Megaparsec 2.1.0

  • Works with Megaparsec 8.

  • Dropped support for GHC 8.2.

Hspec Megaparsec 2.0.1

  • Adjusted shouldParse to use shouldBe from hspec under the hood to take advantage of its pretty colorful error reporting.

  • Dropped support for GHC 8.0 and older.

Hspec Megaparsec 2.0.0

  • To be used with Megaparsec 7.

  • Added functions: shouldFailWithM and initialPosState.

  • Dropped support for GHC 7.8.

Hspec Megaparsec 1.1.0

  • Add HasCallStack constraint to combinators to improve detection of locations where test failures happen.

Hspec Megaparsec 1.0.0

  • To be used with Megaparsec 6.

Hspec Megaparsec 0.3.1

  • Support for Megaparsec 5.2.0.

  • Drop support for GHC 7.6.

Hspec Megaparsec 0.3.0

  • Added helpers for parse error construction (useful with shouldFailWith): err, posI, posN, utok, utoks, ulabel, ueof, etok, etoks, elabel, eeof, cstm. Also added an auxiliary type EC.

Hspec Megaparsec 0.2.1

  • Refreshed obsolete documentation for shouldFailWith and how it reports not matching parse errors.

Hspec Megaparsec 0.2.0

  • This version of hspec-megaparsec should be used with Megaparsec 5.

Hspec Megaparsec 0.1.1

  • Make it pass tests with Megaparsec 4.4.0 and later.

Hspec Megaparsec 0.1.0

  • Initial release.