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Test::Spelling - check for spelling errors in POD files
use Test::More;
plan skip_all => "Spelling tests only for authors"
unless -d 'inc/.author';
use Test::Spelling;
"Test::Spelling" lets you check the spelling of a POD file, and report
its results in standard "Test::More" fashion. This module requires a
spellcheck program such as spell, aspell, ispell, or hunspell.
use Test::Spelling;
pod_file_spelling_ok('lib/Foo/', 'POD file spelling OK');
Note that it is a bad idea to run spelling tests during an ordinary CPAN
distribution install, or in a package that will run in an uncontrolled
environment. There is no way of predicting whether the word list or
spellcheck program used will give the same results. You can include the
test in your distribution, but be sure to run it only for authors of the
module by guarding it in a "skip_all unless -d 'inc/.author'" clause, or
by putting the test in your distribution's xt/ directory. Anyway, people
installing your module really do not need to run such tests, as it is
unlikely that the documentation will acquire typos while in transit. :-)
You can add your own stopwords, which are words that should be ignored
by the spell check, like so:
add_stopwords(qw(asdf thiswordiscorrect));
Adding stopwards in this fashion affects all files checked for the
remainder of the test script. See Pod::Spell (which this module is built
upon) for a variety of ways to add per-file stopwords to each .pm file.
If you have a lot of stopwords, it's useful to put them in your test
file's "DATA" section like so:
use Test::Spelling;
To maintain backwards compatibility, comment markers and some whitespace
are ignored. In the near future, the preprocessing we do on the
arguments to add_stopwords will be changed and documented properly.
all_pod_files_spelling_ok( [@files/@directories] )
Checks all the files for POD spelling. It gathers all_pod_files() on
each file/directory, and declares a "plan" in Test::More for you (one
test for each file), so you must not call "plan" yourself.
If @files is empty, the function finds all POD files in the blib
directory if it exists, or the lib directory if it does not. A POD file
is one that ends with .pod, .pl, .plx, or .pm; or any file where the
first line looks like a perl shebang line.
If there is no working spellchecker (determined by
"has_working_spellchecker"), this test will issue a "skip all"
If you're testing a distribution, just create a t/pod-spell.t with the
code in the "SYNOPSIS".
Returns true if every POD file has correct spelling, or false if any of
them fail. This function will show any spelling errors as diagnostics.
pod_file_spelling_ok( FILENAME[, TESTNAME ] )
"pod_file_spelling_ok" will test that the given POD file has no spelling
When it fails, "pod_file_spelling_ok" will show any spelling errors as
The optional second argument TESTNAME is the name of the test. If it is
omitted, "pod_file_spelling_ok" chooses a default test name "POD
spelling for FILENAME".
all_pod_files( [@dirs] )
Returns a list of all the Perl files in each directory and its
subdirectories, recursively. If no directories are passed, it defaults
to blib if blib exists, or else lib if not. Skips any files in CVS or
.svn directories.
A Perl file is:
* Any file that ends in .PL, .pl, .plx, .pm, .pod or .t.
* Any file that has a first line with a shebang and "perl" on it.
Furthermore, files for which the filter set by "set_pod_file_filter"
return false are skipped. By default, this filter passes everything
The order of the files returned is machine-dependent. If you want them
sorted, you'll have to sort them yourself.
Add words that should be skipped by the spellcheck. Note that Pod::Spell
already skips words believed to be code, such as everything in verbatim
(indented) blocks and code marked up with "...", as well as some common
Perl jargon.
"has_working_spellchecker" will return "undef" if there is no working
spellchecker, or a true value (the spellchecker command itself) if there
is. The module performs a dry-run to determine whether any of the
spellcheckers it can will use work on the current system. You can use
this to skip tests if there is no spellchecker. Note that
"all_pod_files_spelling_ok" will do this for you.
If you want to force this module to use a particular spellchecker, then
you can specify which one with "set_spell_cmd". This is useful to ensure
a more consistent lexicon between developers, or if you have an unusual
environment. Any command that takes text from standard input and prints
a list of misspelled words, one per line, to standard output will do.
If your project has POD documents written in languages other than
English, then obviously you don't want to be running a spellchecker on
every Perl file. "set_pod_file_filter" lets you filter out files
returned from "all_pod_files" (and hence, the documents tested by
set_pod_file_filter(sub {
my $filename = shift;
return 0 if $filename =~ /_ja.pod$/; # skip Japanese translations
return 1;
Ivan Tubert-Brohman "<>"
Heavily based on Test::Pod by Andy Lester and brian d foy.
Shawn M Moore "<>"
Copyright 2005, Ivan Tubert-Brohman, All Rights Reserved.
You may use, modify, and distribute this package under the same terms as
Perl itself.