Ingy döt Net > TestML > TestML

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Module Version: 0.36   Source  

NAME ^

TestML - A Generic Software Testing Meta Language

SYNOPSIS ^

    # file t/testml/encode.tml
    %TestML 0.1.0

    Title = 'Tests for AcmeEncode'
    Plan = 3

    *text.apply_rot13 == *rot13
    *text.apply_md5   == *md5

    === Encode some poetry
    --- text
    There once was a fellow named Ingy,
    Combining languages twas his Thingy.
    --- rot13
    Gurer bapr jnf n sryybj anzrq Vatl,
    Pbzovavat ynathntrf gjnf uvf Guvatl.
    --- md5: 7a1538ff9fc8edf8ea55d02d0b0658be

    === Encode a password
    --- text: soopersekrit
    --- md5: 64002c26dcc62c1d6d0f1cb908de1435

This TestML document defines 2 assertions, and defines 2 data blocks. The first block has 3 data points, but the second one has only 2. Therefore the rot13 assertion applies only to the first block, while the the md5 assertion applies to both. This results in a total of 3 tests, which is specified in the meta Plan statement in the document.

To run this test you would have a normal test file that looks like this:

    use TestML;
    use t::Bridge;

    TestML->new(
        testml => 'testml/encode.tml',
        bridge => 't::Bridge',
    )->run;

The apply_* functions are defined in the bridge class that is specified outside this test (t/Bridge.pm).

DESCRIPTION ^

TestML is a generic, programming language agnostic, meta language for writing unit tests. The idea is that you can use the same test files in multiple implementations of a given programming idea. Then you can be more certain that your application written in, say, Python matches your Perl implementation.

In a nutshell you write a bunch of data tests that have inputs and expected results. Using a simple syntax, you specify what functions the data must pass through to produce the expected results. You use a bridge class to write the data functions that pass the data through your application.

In Perl 5, TestML is the evolution of the Test::Base module. It has a superset of Test:Base's goals. The data markup syntax is currently exactly the same as Test::Base.

SEE ALSO ^

AUTHOR ^

Ingy döt Net <ingy@cpan.org>

COPYRIGHT AND LICENSE ^

Copyright (c) 2009-2014. Ingy döt Net.

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

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