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Apache::TestRunPHP(3) User Contributed Perl DocumentationApache::TestRunPHP(3)

NAME
       Apache::TestRunPHP - configure and run a PHP-based test suite

SYNOPSIS
	 use Apache::TestRunPHP;
	 Apache::TestRunPHP->new->run(@ARGV);

DESCRIPTION
       The "Apache::TestRunPHP" package controls the configuration and running
       of the test suite for PHP-based tests.  It's a subclass of
       "Apache::TestRun" and similar in function to "Apache::TestRunPerl".

       Refer to the "Apache::TestRun" manpage for information on the available
       API.

EXAMPLE
       "TestRunPHP" works almost identially to "TestRunPerl", but in case you
       are new to "Apache-Test" here is a quick getting started guide.	be
       sure to see the links at the end of this document for places to find
       additional details.

       because "Apache-Test" is a Perl-based testing framework we start from a
       "Makefile.PL", which should have the following lines (in addition to
       the standard "Makefile.PL" parts):

	 use Apache::TestMM qw(test clean);
	 use Apache::TestRunPHP ();

	 Apache::TestMM::filter_args();

	 Apache::TestRunPHP->generate_script();

       "generate_script()" will create a script named "t/TEST", the gateway to
       the Perl testing harness and what is invoked when you call "make test".
       "filter_args()" accepts some "Apache::Test"-specific arguments and
       passes them along.  for example, to point to a specific "httpd"
       installation you would invoke "Makefile.PL" as follows

	 $ perl Makefile.PL -httpd /my/local/apache/bin/httpd

       and "/my/local/apache/bin/httpd" will be propagated throughout the rest
       of the process.	note that PHP needs to be active within Apache prior
       to configuring the test framework as shown above, either by virtue of
       PHP being compiled into the "httpd" binary statically or through an
       active "LoadModule" statement within the configuration located in
       "/my/local/apache/conf/httpd.conf".  Other required modules are the
       (very common) mod_alias and mod_env.

       now, like with "Apache::TestRun" and "Apache::TestRunPerl", you can
       place client-side Perl test scripts under "t/", such as "t/01basic.t",
       and "Apache-Test" will run these scripts when you call "make test".
       however, what makes "Apache::TestRunPHP" unique is some added magic
       specifically tailored to a PHP environment.  here are the mechanics.

       "Apache::TestRunPHP" will look for PHP test scripts in that match the
       following pattern

	 t/response/TestFoo/bar.php

       where "Foo" and "bar" can be anything you like, and "t/response/Test*"
       is case sensitive.  when this format is adhered to,
       "Apache::TestRunPHP" will create an associated Perl test script called
       "t/foo/bar.t", which will be executed when you call "make test".	 all
       "bar.t" does is issue a simple GET to "bar.php", leaving the actual
       testing to "bar.php".  in essence, you can forget that "bar.t" even
       exists.

       what does "bar.php" look like?  here is an example:

	 <?php
	   print "1..1\n";
	   print "ok 1\n"
	 ?>

       if it looks odd, that's ok because it is.  I could explain to you
       exactly what this means, but it isn't important to understand the gory
       details.	 instead, it is sufficient to understand that when
       "Apache::Test" calls "bar.php" it feeds the results directly to
       "Test::Harness", a module that comes with every Perl installation, and
       "Test::Harness" expects what it receives to be formated in a very
       specific way.  by itself, all of this is pretty useless, so
       "Apache::Test" provides PHP testers with something much better.	here
       is a much better example:

	 <?php
	   # import the Test::More emulation layer
	   # see
	   #   http://search.cpan.org/dist/Test-Simple/lib/Test/More.pm
	   # for Perl's documentation - these functions should behave
	   # in the same way
	   require 'test-more.php';

	   # plan() the number of tests
	   plan(6);

	   # call ok() for each test you plan
	   ok ('foo' == 'foo', 'foo is equal to foo');
	   ok ('foo' != 'foo', 'foo is not equal to foo');

	   # ok() can be other things as well
	   is ('bar', 'bar', 'bar is bar');
	   is ('baz', 'bar', 'baz is baz');
	   isnt ('bar', 'beer', 'bar is not beer');
	   like ('bar', '/ar$/', 'bar matches ar$');

	   diag("printing some debugging information");

	   # whoops! one too many tests.  I wonder what will happen...
	   is ('biff', 'biff', 'baz is a baz');
	 ?>

       the include library "test-more.php" is automatically generated by
       "Apache::TestConfigPHP" and configurations tweaked in such a a way that
       your PHP scripts can find it without issue.  the functions provided by
       "test-more.php" are equivalent in name and function to those in
       "Test::More", a standard Perl testing library, so you can see that
       manpage for details on the syntax and functionality of each.

       at this point, we have enough in place to run some tests from PHP-land
       - a "Makefile.PL" to configure Apache for us, and a PHP script in
       "t/response/TestFoo/bar.php" to send some results out to the testing
       engine.	issuing "make test" would start Apache, issue the request to
       "bar.php", generate a report, and shut down Apache.  the report would
       look like something like this after running the tests in verbose mode
       (eg "make test TEST_VERBOSE=1"):

	 t/php/bar....1..6
	 ok 1 - foo is equal to foo
	 not ok 2 - foo is not equal to foo
	 #     Failed test (/src/devel/perl-php-test/t/response/TestFoo/bar.php at line 13)
	 ok 3 - bar is bar
	 not ok 4 - baz is baz
	 #     Failed test (/src/devel/perl-php-test/t/response/TestFoo/bar.php at line 17)
	 #	     got: 'baz'
	 #	expected: 'bar'
	 ok 5 - bar is not beer
	 ok 6 - bar matches ar$
	 # printing some debugging information
	 ok 7 - baz is a baz
	 FAILED tests 2, 4, 7
		 Failed 3/6 tests, 50.00% okay
	 Failed Test Stat Wstat Total Fail  Failed  List of Failed
	 -------------------------------------------------------------------------------
	 t/php/bar.t		    6	 3  50.00%  2 4 7
	 Failed 1/1 test scripts, 0.00% okay. 1/6 subtests failed, 83.33% okay.

       note that the actual test file that was run was "t/php/bar.t".  this
       file is autogenerated based on the "t/response/TestFoo/bar.php" pattern
       of your PHP script.  "t/php/bar.t" happens to be written in Perl, but
       you really don't need to worry about it too much.

       as an interesting aside, if you are using perl-5.8.3 or later you can
       actually create your own "t/foo.php" client-side scripts and they will
       be run via php (using our "php.ini").  but more on that later...

SEE ALSO
       the best source of information about using Apache-Test with PHP (at
       this time) is probably the talk given at ApacheCon 2004
       (<http://xrl.us/phpperl>), as well as the code from the talk
       (<http://xrl.us/phpperlcode>).  there is also the online tutorial
       <http://perl.apache.org/docs/general/testing/testing.html> which has
       all of the mod_perl-specific syntax and features have been ported to
       PHP with this class.

AUTHOR
       "Apache-Test" is a community effort, maintained by a group of dedicated
       volunteers.

       Questions can be asked at the test-dev <at> httpd.apache.org list For
       more information see: http://httpd.apache.org/test/.

perl v5.16.2			  2011-02-07		 Apache::TestRunPHP(3)
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