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README

NAME
    Test::Reuse - Reusable Test::More tests in classes

DESCRIPTION
    Test::Reuse was created for the sole purpose of writing really
    easy-to-use, reusable tests. You can create tests in a class, "use" your
    class name in the test (which will also deploy all Test::More features
    for you), then you can use specific tests from that class. You can also
    pass arguments to these tests.

SYNOPSIS
    OK, say we have the very same test running in several different tests.
    You don't want to just keep copy and pasting that code because it
    clutters up space when it doesn't need to. So we start by writing the
    test class to where our reusable tests will be imported from.

        package MyTestClass;
    
        use Test::Reuse;

        subtest 'is_it_ok' => sub {
            my $test = shift;
        
            for (@_) {
                ok $_, "$_ seems just fine!";
            }
        };

    The "subtest" method in class that uses "Test::Reuse" actually stores
    the tests that are reusable. It won't actually run a subtest. The first
    argument will always be the test class name. In this instance it is
    MyTestClass. Now let's write the actual test.

        #!perl
    
        use MyTestClass;
    
        use_test 'is_it_ok', qw<1 2 3 4 0 5>;
    
        runtests();

    That's it. We use "use_test" followed by the subtest name. You can
    supply optional arguments afterwards if you like. Remember to always
    call "runtests" when you're done, which is identical to "done_testing".
    In the above example it will loop through all of numbers in the array we
    provided and will obviously fail on the fifth argument (the 0). You can
    also run "use_test" within the test class to control the flow a bit
    more.

        package MyTestClass;
    
        use Test::Reuse;

        subtest 'is_it_ok' => sub {
            my $test = shift;
        
            if (@_) {
                for (@_) {
                    ok $_, "$_ seems just fine!";
                }
            }
            else {
                use_test 'show_problem', 'No arguments for is_it_ok';
            }
        };

        subtest 'show_problem' => sub {
            my ($test, $text) = @_;
            note "Woops!: ${text}";
        };

METHODS
    Test::Reuse uses all the methods from Test::More, but there are a couple
    that are used just in this module.

  use_test
    Calls a test from the test class. They must be defined in the test class
    using "subtest"

        use_test 'method_name', qw<optional arguments here>;
        use_test 'my_test';

  subtest
    Technically this works exactly the same as Test::More's subtest in your
    test file, but in the test class it simply defines a reusable test.

        subtest 'reusable_test_name' => sub {
            my $test_class = shift;
        
            note "Running from ${test_class}";
        };

  runtests
    I don't like the way "done_testing" looks, so swapped it for "runtests".
    But you are welcome to use either one in your code. This MUST be run at
    the bottom of your normal test file (.t), or it will freak out. Which is
    pretty normal if you don't declare a plan.

LIMITATIONS
    This module is still new, so there are plenty. The main one at the
    moment being that you can only "use" ONE reusable test class per test.
    It really sucks, I know. In the future I would love to be able to reuse
    tests from multiple classes, but at the moment it only works with one.

AUTHOR
    Brad Haywood <brad@perlpowered.com>

LICENSE
    You may distribute this code under the same terms as Perl itself,
    because Perl is awesome, and so are you for using it.

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