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//usr/local/share/perl5/Test/Base/Filter.pod
=pod =for comment DO NOT EDIT. This Pod was generated by Swim. See http://github.com/ingydotnet/swim-pm#readme =encoding utf8 =head1 NAME Test::Base::Filter - Default Filter Class for Test::Base =head1 SYNOPSIS package MyTestSuite; use Test::Base -Base; ... reusable testing code ... package MyTestSuite::Filter; use Test::Base::Filter -Base; sub my_filter1 { ... } =head1 DESCRIPTION Filters are the key to writing effective data driven tests with Test::Base. Test::Base::Filter is a class containing a large default set of generic filters. You can easily subclass it to add/override functionality. =head1 FILTERS This is a list of the default stock filters (in alphabetic order): =over =item C<append> list => list Append a string to each element of a list. --- numbers lines chomp append=-#\n join one two three =item C<array> list => scalar Turn a list of values into an anonymous array reference. =item C<base64_decode> scalar => scalar Decode base64 data. Useful for binary tests. =item C<base64_encode> scalar => scalar Encode base64 data. Useful for binary tests. =item C<chomp> list => list Remove the final newline from each string value in a list. =item C<chop> =back list => list Remove the final char from each string value in a list. =over =item C<dumper> scalar => list Take a data structure (presumably from another filter like eval) and use Data::Dumper to dump it in a canonical fashion. =item C<escape> scalar => scalar Unescape all backslash escaped chars. =item C<eval> scalar => list Run Perl's C<eval> command against the data and use the returned value as the data. =item C<eval_all> scalar => list Run Perl's C<eval> command against the data and return a list of 4 values: 1) The return value 2) The error in $@ 3) Captured STDOUT 4) Captured STDERR =item C<eval_stderr> scalar => scalar Run Perl's C<eval> command against the data and return the captured STDERR. =item C<eval_stdout> scalar => scalar Run Perl's C<eval> command against the data and return the captured STDOUT. =item C<exec_perl_stdout> list => scalar Input Perl code is written to a temp file and run. STDOUT is captured and returned. =item C<flatten> scalar => list Takes a hash or array ref and flattens it to a list. =item C<get_url> scalar => scalar The text is chomped and considered to be a url. Then LWP::Simple::get is used to fetch the contents of the url. =item C<hash> list => scalar Turn a list of key/value pairs into an anonymous hash reference. =item C<head[=number]> list => list Takes a list and returns a number of the elements from the front of it. The default number is one. =item C<join> list => scalar Join a list of strings into a scalar. =item C<Join> Join the list of strings inside a list of array refs and return the strings in place of the array refs. =item C<lines> scalar => list Break the data into an anonymous array of lines. Each line (except possibly the last one if the C<chomp> filter came first) will have a newline at the end. =item C<norm> scalar => scalar Normalize the data. Change non-Unix line endings to Unix line endings. =item C<prepend=string> list => list Prepend a string onto each of a list of strings. =item C<read_file> scalar => scalar Read the file named by the current content and return the file's content. =item C<regexp[=xism]> scalar => scalar The C<regexp> filter will turn your data section into a regular expression object. You can pass in extra flags after an equals sign. If the text contains more than one line and no flags are specified, then the 'xism' flags are assumed. =item C<reverse> list => list Reverse the elements of a list. =item C<Reverse> list => list Reverse the list of strings inside a list of array refs. =item C<slice=x[,y]> list => list Returns the element number x through element number y of a list. =item C<sort> list => list Sorts the elements of a list in character sort order. =item C<Sort> list => list Sort the list of strings inside a list of array refs. =item C<split[=string|pattern]> scalar => list Split a string in into a list. Takes a optional string or regexp as a parameter. Defaults to I<s+>. Same as Perl C<split>. =item C<Split[=string|pattern]> list => list Split each of a list of strings and turn them into array refs. =item C<strict> scalar => scalar Prepend the string: use strict; use warnings; to the block's text. =item C<tail[=number]> list => list Return a number of elements from the end of a list. The default number is one. =item C<trim> list => list Remove extra blank lines from the beginning and end of the data. This allows you to visually separate your test data with blank lines. =item C<unchomp> list => list Add a newline to each string value in a list. =item C<write_file[=filename]> scalar => scalar Write the content of the section to the named file. Return the filename. =item C<yaml> scalar => list Apply the YAML::Load function to the data block and use the resultant structure. Requires YAML.pm. =back =head1 AUTHOR Ingy döt Net <ingy@cpan.org> =head1 COPYRIGHT Copyright 2005-2014. Ingy döt Net. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See L<http://www.perl.com/perl/misc/Artistic.html> =cut
