Test::Needs(3pm)      User Contributed Perl Documentation     Test::Needs(3pm)

NAME
       Test::Needs - Skip tests when modules not available

SYNOPSIS
         # need one module
         use Test::Needs 'Some::Module';

         # need multiple modules
         use Test::Needs 'Some::Module', 'Some::Other::Module';

         # need a given version of a module
         use Test::Needs {
           'Some::Module' => '1.005',
         };

         # check later
         use Test::Needs;
         test_needs 'Some::Module';

         # skips remainder of subtest
         use Test::More;
         use Test::Needs;
         subtest 'my subtest' => sub {
           test_needs 'Some::Module';
           ...
         };

         # check perl version
         use Test::Needs { perl => 5.020 };

DESCRIPTION
       Skip test scripts if modules are not available.  The requested modules
       will be loaded, and optionally have their versions checked.  If the
       module is missing, the test script will be skipped.  Modules that are
       found but fail to compile will exit with an error rather than skip.

       If used in a subtest, the remainder of the subtest will be skipped.

       Skipping will work even if some tests have already been run, or if a
       plan has been declared.

       Versions are checked via a "$module->VERSION($wanted_version)" call.
       Versions must be provided in a format that will be accepted.  No extra
       processing is done on them.

       If "perl" is used as a module, the version is checked against the
       running perl version ($]).  The version can be specified as a number,
       dotted-decimal string, v-string, or version object.

       If the "RELEASE_TESTING" environment variable is set, the tests will
       fail rather than skip.  Subtests will be aborted, but the test script
       will continue running after that point.

EXPORTS
   test_needs
       Has the same interface as when using Test::Needs in a "use".

SEE ALSO
       Test::Requires
           A similar module, with some important differences.  Test::Requires
           will act as a "use" statement (despite its name), calling the
           import sub.  Under "RELEASE_TESTING", it will BAIL_OUT if a module
           fails to load rather than using a normal test fail.  It also
           doesn't distinguish between missing modules and broken modules.

       Test2::Require::Module
           Part of the Test2 ecosystem.  Only supports running as a "use"
           command to skip an entire plan.

AUTHOR
       haarg - Graham Knop (cpan:HAARG) <haarg@haarg.org>

CONTRIBUTORS
       None so far.

COPYRIGHT
       Copyright (c) 2016 the Test::Needs "AUTHOR" and "CONTRIBUTORS" as
       listed above.

LICENSE
       This library is free software and may be distributed under the same
       terms as perl itself. See <http://dev.perl.org/licenses/>.

perl v5.20.2                      2016-09-27                  Test::Needs(3pm)

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