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README.md

NAME

Test::LocalFunctions - Detects unused local functions

VERSION

This document describes Test::LocalFunctions version 0.23

SYNOPSIS

# check modules that are listed in MANIFEST
use Test::LocalFunctions;
use Test::More;
all_local_functions_ok();
done_testing;

# you can specify modules to ignore the test
use Test::LocalFunctions;
use Test::More;
all_local_functions_ok({ignore_modules => ['Wanna::Ignore::Module']}); # Wanna::Ignore::Module will be ignored to testing
done_testing;

# you can also specify individual file
use Test::LocalFunctions;
use Test::More;
local_functions_ok('/path/to/your/module_or_script');
done_testing;

# you can specify functions to exclude from test by regex.
use Test::LocalFunctions;
use Test::More;
local_functions_ok('/path/to/your/module_or_script', {ignore_functions => [qr/_wanna_ignore_function/]}); # _wanna_ignore_function() will be ignored to testing.
# all_local_functions_ok({ignore_functions => [qr/_wanna_ignore_function/]}); # <= also ok!
done_testing;

DESCRIPTION

Test::LocalFunctions finds unused local functions to clean up the source code. (Local function means the function which name starts from underscore.)

This module decides back end module automatically. If `Compiler::Lexer` has been installed in target environment, this module will use `Test::LocalFunctions::Fast` as back end. Otherwise this module will use `Test::LocalFunctions::PPI`. Which uses `PPI` for lexical analysis.

`PPI` is not fast, but `Compiler::Lexer` is fast. So I recommend you to install `Compiler::Lexer`.

METHODS

  • all_local_functions_ok

    This is a test function which finds unused variables from modules that are listed in MANIFEST file.

  • local_functions_ok

    This is a test function which finds unused variables from specified source code. This function requires an argument which is the path to source file.

  • which_backend_is_used

    This function returns the used module as back end. It will returns `Test::LocalFunctions::PPI` or `Test::LocalFunctions::Fast`.

CONFIGURATION AND ENVIRONMENT

  • T_LF_PPI (environment variable)

    This module uses `Test::LocalFunctions::PPI` as back end forcedly if this environment variable is set any value.

DEPENDENCIES

  • PPI (version 1.215 or later)
  • Sub::Identify (version 0.04 or later)
  • Test::Builder::Module (version 0.98 or later)
  • Test::Builder::Tester (version 1.22 or later)

RECOMMENDED

  • Compiler::Lexer (version 0.12 or later)

INCOMPATIBILITIES

None reported.

BUGS AND LIMITATIONS

No bugs have been reported.

Please report any bugs or feature requests to bug-test-localfunctions@rt.cpan.org, or through the web interface at http://rt.cpan.org.

AUTHOR

moznion <moznion@gmail.com>

papix

LICENCE AND COPYRIGHT

Copyright (c) 2013, moznion <moznion@gmail.com>. All rights reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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