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Test::Builder::Module(3)       User Contributed Perl Documentation	 Test::Builder::Module(3)

NAME
       Test::Builder::Module - Base class for test modules

SYNOPSIS
	 # Emulates Test::Simple
	 package Your::Module;

	 my $CLASS = __PACKAGE__;

	 use base 'Test::Builder::Module';
	 @EXPORT = qw(ok);

	 sub ok ($;$) {
	     my $tb = $CLASS->builder;
	     return $tb->ok(@_);
	 }

	 1;

DESCRIPTION
       This is a superclass for Test::Builder-based modules.  It provides a handful of common
       functionality and a method of getting at the underlying Test::Builder object.

   Importing
       Test::Builder::Module is a subclass of Exporter which means your module is also a subclass
       of Exporter.  @EXPORT, @EXPORT_OK, etc...  all act normally.

       A few methods are provided to do the "use Your::Module tests =" 23> part for you.

       import

       Test::Builder::Module provides an import() method which acts in the same basic way as
       Test::More's, setting the plan and controlling exporting of functions and variables.  This
       allows your module to set the plan independent of Test::More.

       All arguments passed to import() are passed onto "Your::Module->builder->plan()" with the
       exception of "import =>[qw(things to import)]".

	   use Your::Module import => [qw(this that)], tests => 23;

       says to import the functions this() and that() as well as set the plan to be 23 tests.

       import() also sets the exported_to() attribute of your builder to be the caller of the
       import() function.

       Additional behaviors can be added to your import() method by overriding import_extra().

       import_extra

	   Your::Module->import_extra(\@import_args);

       import_extra() is called by import().  It provides an opportunity for you to add behaviors
       to your module based on its import list.

       Any extra arguments which shouldn't be passed on to plan() should be stripped off by this
       method.

       See Test::More for an example of its use.

       NOTE This mechanism is VERY ALPHA AND LIKELY TO CHANGE as it feels like a bit of an ugly
       hack in its current form.

   Builder
       Test::Builder::Module provides some methods of getting at the underlying Test::Builder
       object.

       builder

	 my $builder = Your::Class->builder;

       This method returns the Test::Builder object associated with Your::Class.  It is not a
       constructor so you can call it as often as you like.

       This is the preferred way to get the Test::Builder object.  You should not get it via
       "Test::Builder->new" as was previously recommended.

       The object returned by builder() may change at runtime so you should call builder() inside
       each function rather than store it in a global.

	 sub ok {
	     my $builder = Your::Class->builder;

	     return $builder->ok(@_);
	 }

perl v5.16.3				    2011-02-23			 Test::Builder::Module(3)
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