Luaunit is a unit-testing framework for Lua, in the spirit of many others unit-testing framework. Luaunit let's you write test functions, test classes with test methods and setup/teardown functionality.
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LuaUnit

by Philippe Fremy

LuaUnit is a unit-testing framework for Lua. It allows you to write test functions and test classes with test methods, combined with setup/teardown functionality. A wide range of assertions are supported.

LuaUnit supports several output formats, like JUnit or TAP, for easier integration into Continuous Integration platforms (Jenkins, Maven, ...). The integrated command-line options provide a flexible interface to select tests by name or patterns, control output format, set verbosity, ...

LuaUnit works with Lua 5.1, LuaJIT 2.0, LuaJIT 2.1 beta, Lua 5.2 and Lua 5.3 . It is tested on Windows Seven, Windows Server 2012 R2 (x64), MacOs X 10.9.5 and Ubuntu 14.04 (see continuous build results on Travis-CI and AppVeyor ) and should work on all platforms supported by Lua. It has no other dependency than Lua itself.

LuaUnit is packed into a single-file. To make start using it, just add the file to your project.

LuaUnit is maintained on github: https://github.com/bluebird75/luaunit

For more information on LuaUnit development, please check: Developing LuaUnit

It is released under the BSD license.

Documentation is available on read-the-docs

Important note when upgrading to version 3.1 and above : break of backward compatibility, assertions functions are no longer exported directly to the global namespace. See documentation on how to adjust or restore previous behavior.

Install

The version in development on github is always stable and can be used safely.

github

The simplest way to install LuaUnit is to fetch the github version:

git clone git@github.com:bluebird75/luaunit.git

Then copy the file luaunit.lua into your project or the Lua libs directory.

On Linux, you can also install it into your Lua directories

sudo python doit.py install

Edit install() for Lua version and installation directory if that fails. It uses, by default, Linux paths that depend on the version.

LuaRocks

LuaUnit v3.2 and above are available on LuaRocks.

bower

You can also install it with bower :

bower install https://github.com/bluebird75/luaunit.git.

Contributors

Successes

LuaUnit is used by hundreds of projects on GitHub (see LuaUnit search ) has more than 10k download on LuaRocks ).

History

Version 3.3 - in progress

  • assertTrue and assertFalse are now strict and only succeed with boolean
  • add assertEvalToTrue and assertEvalToFalse with previous assertTrue/False behavior of coercing before asserting
  • randomized testing

Version 3.2 - 12. Jul 2016

  • distinguish between failures (failed assertion) and errors
  • add command-line option to stop on first error or failure
  • support for new versions: Lua 5.3 and LuaJIT (2.0, 2.1 beta)
  • validation of all lua versions on Travis CI and AppVeyor
  • added compatibility layer with forked luaunit v2.x
  • added documentation about development process
  • improved support for table containing keys of type table
  • small bug fixes, several internal improvements

Version 3.1 - 10 Mar. 2015

  • luaunit no longer pollutes global namespace, unless defining EXPORT_ASSERT_TO_GLOBALS to true
  • fixes and validation of JUnit XML generation
  • strip luaunit internal information from stacktrace
  • general improvements of test results with duration and other details
  • improve printing for tables, with an option to always print table id
  • fix printing of recursive tables

Important note when upgrading to version 3.1 : assertions functions are no longer exported directly to the global namespace. See documentation for upgrade paths.

Version 3.0 - 9. Oct 2014

Since some people have forked LuaUnit and release some 2.x version, I am jumping the version number.

  • moved to Github
  • full documentation available in text, html and pdf at read-the-docs.org
  • new output format: JUnit
  • much better table assertions
  • new assertions for strings, with patterns and case insensitivity: assertStrContains, assertNotStrContains, assertNotStrIContains, assertStrIContains, assertStrMatches
  • new assertions for floats: assertAlmostEquals, assertNotAlmostEquals
  • type assertions: assertIsString, assertIsNumber, ...
  • error assertions: assertErrorMsgEquals, assertErrorMsgContains, assertErrorMsgMatches
  • improved error messages for several assertions
  • command-line options to select test, control output type and verbosity

Version 2.0

Unofficial fork from version 1.3

  • lua 5.2 module style, without global namespace pollution
  • setUp() may be named Setup() or setup()
  • tearDown() may be named Teardown() or teardown()
  • wrapFunction() may be called WrapFunctions() or wrap_functions()
  • run() may also be called Run()
  • table deep comparision (also available in 1.4)
  • control verbosity with setVerbosity() SetVerbosity() and set_verbosity()
  • More assertions:
    • is, is_, assert and assert_ (e.g. assert( LuaUnit.isString( getString() ) )
    • assertNot and assert_not_

Version 1.5 - 8. Nov 2012

  • compatibility with Lua 5.1 and 5.2
  • better object model internally
  • a lot more of internal tests
  • several internal bug fixes
  • make it easy to customize the test output
  • running test functions no longer requires a wrapper
  • several level of verbosity

Version 1.4 - 26. Jul 2012

  • table deep comparison
  • switch from X11 to more popular BSD license
  • add TAP output format for integration into Jenkins
  • official repository now on github

Version 1.3 - 30. Oct 2007

  • port to lua 5.1
  • iterate over the test classes, methods and functions in the alphabetical order
  • change the default order of expected, actual in assertEquals (adjustable with USE_EXPECTED_ACTUAL_IN_ASSERT_EQUALS).

Version 1.2 - 13. Jun 2005

  • first public release

Version 1.1

  • move global variables to internal variables
  • assertion order is configurable between expected/actual or actual/expected
  • new assertion to check that a function call returns an error
  • display the calling stack when an error is spotted
  • two verbosity level, like in python unittest

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