Test::Base::Filter(3) User Contributed Perl DocumentationTest::Base::Filter(3)NAMETest::Base::Filter - Default Filter Class for Test::Base
SYNOPSIS
package MyTestSuite;
use Test::Base -Base;
... reusable testing code ...
package MyTestSuite::Filter;
use Test::Base::Filter -Base;
sub my_filter1 {
...
}
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.
FILTERS
This is a list of the default stock filters (in alphabetic order):
append
list => list
Append a string to each element of a list.
--- numbers lines chomp append=-#\n join
one
two
three
array
list => scalar
Turn a list of values into an anonymous array reference.
base64_decode
scalar => scalar
Decode base64 data. Useful for binary tests.
base64_encode
scalar => scalar
Encode base64 data. Useful for binary tests.
chomp
list => list
Remove the final newline from each string value in a list.
chop
list => list
Remove the final char from each string value in a list.
dumper
scalar => list
Take a data structure (presumably from another filter like eval) and
use Data::Dumper to dump it in a canonical fashion.
escape
scalar => scalar
Unescape all backslash escaped chars.
eval
scalar => list
Run Perl's "eval" command against the data and use the returned value
as the data.
eval_all
scalar => list
Run Perl's "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
eval_stderr
scalar => scalar
Run Perl's "eval" command against the data and return the captured
STDERR.
eval_stdout
scalar => scalar
Run Perl's "eval" command against the data and return the captured
STDOUT.
exec_perl_stdout
list => scalar
Input Perl code is written to a temp file and run. STDOUT is captured
and returned.
flatten
scalar => list
Takes a hash or array ref and flattens it to a list.
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.
hash
list => scalar
Turn a list of key/value pairs into an anonymous hash reference.
head[=number]
list => list
Takes a list and returns a number of the elements from the front of it.
The default number is one.
join
list => scalar
Join a list of strings into a scalar.
Join
Join the list of strings inside a list of array refs and return the
strings in place of the array refs.
lines
scalar => list
Break the data into an anonymous array of lines. Each line (except
possibly the last one if the "chomp" filter came first) will have a
newline at the end.
norm
scalar => scalar
Normalize the data. Change non-Unix line endings to Unix line endings.
prepend=string
list => list
Prepend a string onto each of a list of strings.
read_file
scalar => scalar
Read the file named by the current content and return the file's
content.
regexp[=xism]
scalar => scalar
The "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.
reverse
list => list
Reverse the elements of a list.
Reverse
list => list
Reverse the list of strings inside a list of array refs.
slice=x[,y]
list => list
Returns the element number x through element number y of a list.
sort
list => list
Sorts the elements of a list in character sort order.
Sort
list => list
Sort the list of strings inside a list of array refs.
split[=string|pattern]
scalar => list
Split a string in into a list. Takes a optional string or regexp as a
parameter. Defaults to /\s+/. Same as Perl "split".
Split[=string|pattern]
list => list
Split each of a list of strings and turn them into array refs.
strict
scalar => scalar
Prepend the string:
use strict;
use warnings;
to the block's text.
tail[=number]
list => list
Return a number of elements from the end of a list. The default number
is one.
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.
unchomp
list => list
Add a newline to each string value in a list.
write_file[=filename]
scalar => scalar
Write the content of the section to the named file. Return the
filename.
yaml
scalar => list
Apply the YAML::Load function to the data block and use the resultant
structure. Requires YAML.pm.
AUTHOR
Ingy dA~Xt Net <ingy@cpan.org>
COPYRIGHT
Copyright (c) 2006, 2011. Ingy dA~Xt Net. All rights reserved.
Copyright (c) 2005. Brian Ingerson. All rights reserved.
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
perl v5.14.1 2011-04-04 Test::Base::Filter(3)
