prove(1) - phpMan

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
-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
--perl Sets the name of the Perl executable to use
-r, --recurse Recursively descend into directories
-s, --shuffle Run the tests in a random order
--strap Define strap class to use
-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 environment 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
"File::Glob::bsd_glob".

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

o 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 distributions, but it's suboptimal for a test/code/debug development
cycle.

o 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.

o 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.

o prove can run under taint mode

prove's "-T" runs your tests under "perl -T", and "-t" runs them under "perl -t".

o 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.

o 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 dependencies.

o 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.

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

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

--perl
Sets the "HARNESS_PERL" environment variable, which controls what Perl executable will run
the tests.

-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 something slightly less
awkward.

--strap
Sets the HARNESS_STRAP_CLASS variable to set which Test::Harness::Straps variable to use
in running the tests.

-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 enhancements to "<bug-test-harness AT rt.org>".

TODO
o Shuffled tests must be recreatable

AUTHORS
Andy Lester "<andy at petdance.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 v5.10.0 2011-06-30 PROVE(1)

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