Test::Unit::Assertion::Regexp(3pm) - phpMan

Test::Unit::Assertion::Regexp(3User Contributed Perl DocumentatTest::Unit::Assertion::Regexp(3pm)

NAME
       Test::Unit::Assertion::Regexp - Assertion with regex matching

SYNOPSIS
           require Test::Unit::Assertion::Regexp;

           my $assert_re =
             Test::Unit::Assertion::Regexp->new(qr/a_pattern/);

           $assert_re->do_assertion('a_string');

       This is rather more detail than the average user will need.  Test::Unit::Assertion::Regexp
       objects are generated automagically by Test::Unit::Assert::assert when it is passed a
       regular expression as its first parameter.

           sub test_foo {
             ...
             $self->assert(qr/some_pattern/, $result);
           }

       If the assertion fails then the object throws an exception with details of the pattern and
       the string it failed to match against.

       Note that if you need to do a 'string does not match this pattern' type of assertion then
       you can do:

          $self->assert(qr/(?!some_pattern)/, $some_string)

       ie. Make use of the negative lookahead assertion.

IMPLEMENTS
       Test::Unit::Assertion::Regexp implements the Test::Unit::Assertion interface, which means
       it can be plugged into the Test::Unit::TestCase and friends' "assert" method with no ill
       effects.

DESCRIPTION
       The class is used by the framework to provide sensible 'automatic' reports when a match
       fails. The old:

           $self->assert(scalar($foo =~ /pattern/), "$foo didn't match /.../");

       seems rather clumsy compared to this. If the regexp assertion fails, then the user is
       given a sensible error message, with the pattern and the string that failed to match it...

AUTHOR
       Copyright (c) 2001 Piers Cawley <pdcawley AT iterative-software.com>.

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

SEE ALSO
       o   Test::Unit::TestCase

       o   Test::Unit::Assertion

perl v5.30.2                                2020-05-18         Test::Unit::Assertion::Regexp(3pm)

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