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PROVE(1)               Perl Programmers Reference Guide               PROVE(1)



NAME
       prove -- A command-line tool for running tests against Test::Harness

SYNOPSIS
       prove [options] [files/directories]

       Options:

           -b, --blib      Adds blib/lib to the path for your tests, a la "use blib".
           -d, --debug     Includes extra debugging information.
           -D, --dry       Dry run: Show the tests to run, but don't run them.
               --ext=x     Extensions (defaults to .t)
           -h, --help      Display this help
           -H, --man       Longer manpage for prove
           -I              Add libraries to @INC, as Perl's -I
           -l, --lib       Add lib to the path for your tests.
           -r, --recurse   Recursively descend into directories.
           -s, --shuffle   Run the tests in a random order.
           -T              Enable tainting checks
           -t              Enable tainting warnings
               --timer     Print elapsed time after each test file
           -v, --verbose   Display standard output of test scripts while running them.
           -V, --version   Display version info

       Single-character options may be stacked.  Default options may be set by specifying the PROVE_SWITCHES environ-
       ment variable.

OVERVIEW
       prove is a command-line interface to the test-running functionality of "Test::Harness".  With no arguments, it
       will run all tests in the current directory.

       Shell metacharacters may be used with command lines options and will be exanded via "glob".

PROVE VS. "MAKE TEST"
       prove has a number of advantages over "make test" when doing development.

       * prove is designed as a development tool
           Perl users typically run the test harness through a makefile via "make test".  That's fine for module dis-
           tributions, but it's suboptimal for a test/code/debug development cycle.

       * prove is granular
           prove lets your run against only the files you want to check.  Running "prove t/live/ t/master.t" checks
           every *.t in t/live, plus t/master.t.

       * prove has an easy verbose mode
           prove has a "-v" option to see the raw output from the tests.  To do this with "make test", you must set
           "HARNESS_VERBOSE=1" in the environment.

       * prove can run under taint mode
           prove's "-T" runs your tests under "perl -T", and "-t" runs them under "perl -t".

       * prove can shuffle tests
           You can use prove's "--shuffle" option to try to excite problems that don't show up when tests are run in
           the same order every time.

       * prove doesn't rely on a make tool
           Not everyone wants to write a makefile, or use ExtUtils::MakeMaker to do so.  prove has no external depen-
           dencies.

       * Not everything is a module
           More and more users are using Perl's testing tools outside the context of a module distribution, and may
           not even use a makefile at all.

COMMAND LINE OPTIONS
       -b, --blib

       Adds blib/lib to the path for your tests, a la "use blib".

       -d, --debug

       Include debug information about how prove is being run.  This option doesn't show the output from the test
       scripts.  That's handled by -v,--verbose.

       -D, --dry

       Dry run: Show the tests to run, but don't run them.

       --ext=extension

       Specify extensions of the test files to run.  By default, these are .t, but you may have other non-.t test
       files, most likely .sh shell scripts.  The --ext is repeatable.

       -I

       Add libraries to @INC, as Perl's -I.

       -l, --lib

       Add "lib" to @INC.  Equivalent to "-Ilib".

       -r, --recurse

       Descends into subdirectories of any directories specified, looking for tests.

       -s, --shuffle

       Sometimes tests are accidentally dependent on tests that have been run before.  This switch will shuffle the
       tests to be run prior to running them, thus ensuring that hidden dependencies in the test order are likely to
       be revealed.  The author hopes the run the algorithm on the preceding sentence to see if he can produce some-
       thing slightly less awkward.

       -t

       Runs test programs under perl's -t taint warning mode.

       -T

       Runs test programs under perl's -T taint mode.

       --timer

       Print elapsed time after each test file

       -v, --verbose

       Display standard output of test scripts while running them.  Also sets TEST_VERBOSE in case your tests rely on
       them.

       -V, --version

       Display version info.

BUGS
       Please use the CPAN bug ticketing system at <http://rt.cpan.org/>;.  You can also mail bugs, fixes and enhance-
       ments to "<bug-test-harnessATrt.org>".

TODO
       ?   Shuffled tests must be recreatable

AUTHORS
       Andy Lester "<andyATpetdance.com>"

COPYRIGHT
       Copyright 2005 by Andy Lester "<andyATpetdance.com>".

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

       See <http://www.perl.com/perl/misc/Artistic.html>;.



perl v5.8.8                       2012-01-22                          PROVE(1)