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Apache::Test(3pm)              User Contributed Perl Documentation              Apache::Test(3pm)

       Apache::Test - Test.pm wrapper with helpers for testing Apache

           use Apache::Test;

       Apache::Test is a wrapper around the standard "Test.pm" with helpers for testing an Apache

           This function is a wrapper around "Test::plan":

               plan tests => 3;

           just like using Test.pm, plan 3 tests.

           If the first argument is an object, such as an "Apache::RequestRec" object, "STDOUT"
           will be tied to it. The "Test.pm" global state will also be refreshed by calling
           "Apache::Test::test_pm_refresh". For example:

               plan $r, tests => 7;

           ties STDOUT to the request object $r.

           If there is a last argument that doesn't belong to "Test::plan" (which expects a
           balanced hash), it's used to decide whether to continue with the test or to skip it
           all-together. This last argument can be:

           ·   a "SCALAR"

               the test is skipped if the scalar has a false value. For example:

                 plan tests => 5, 0;

               But this won't hint the reason for skipping therefore it's better to use need():

                 plan tests => 5,
                     need 'LWP',
                          { "not Win32" => sub { $^O eq 'MSWin32'} };

               see "need()" for more info.

           ·   an "ARRAY" reference

               need_module() is called for each value in this array. The test is skipped if
               need_module() returns false (which happens when at least one C or Perl module from
               the list cannot be found).

               Watch out for case insensitive file systems or duplicate modules with the same
               name.  I.E.  If you mean mod_env.c
                  need_module('mod_env.c') Not

           ·   a "CODE" reference

               the tests will be skipped if the function returns a false value. For example:

                   plan tests => 5, need_lwp;

               the test will be skipped if LWP is not available

           All other arguments are passed through to Test::plan as is.

       ok  Same as Test::ok, see Test.pm documentation.

       sok Allows one to skip a sub-test, controlled from the command line.  The argument to
           sok() is a CODE reference or a BLOCK whose return value will be passed to ok(). By
           default behaves like ok(). If all sub-tests of the same test are written using sok(),
           and a test is executed as:

             % ./t/TEST -v skip_subtest 1 3

           only sub-tests 1 and 3 will be run, the rest will be skipped.

           Same as Test::skip, see Test.pm documentation.

           Normally called by Apache::Test::plan, this function will refresh the global state
           maintained by Test.pm, allowing "plan" and friends to be called more than once per-
           process.  This function is not exported.

       Functions that can be used as a last argument to the extended plan().  Note that for each
       "need_*" function there is a "have_*" equivalent that performs the exact same function
       except that it is designed to be used outside of "plan()".  "need_*" functions have the
       side effect of generating skip messages, if the test is skipped.  "have_*" functions don't
       have this side effect.  In other words, use "need_apache()" with "plan()" to decide
       whether a test will run, but "have_apache()" within test logic to adjust expectations
       based on older or newer server versions.

             plan tests => 5, need_http11;

           Require HTTP/1.1 support.

             plan tests => 5, need_ssl;

           Require SSL support.

           Not exported by default.

             plan tests => 5, need_lwp;

           Require LWP support.

             plan tests => 5, need_cgi;

           Requires mod_cgi or mod_cgid to be installed.

             plan tests => 5, need_cache_disk

           Requires mod_cache_disk or mod_disk_cache to be installed.

             plan tests => 5, need_php;

           Requires a PHP module to be installed (version 4 or 5).

             plan tests => 5, need_php4;

           Requires a PHP version 4 module to be installed.

             plan tests => 5, need_imagemap;

           Requires a mod_imagemap or mod_imap be installed

             plan tests => 5, need_apache 2;

           Requires Apache 2nd generation httpd-2.x.xx

             plan tests => 5, need_apache 1;

           Requires Apache 1st generation (apache-1.3.xx)

           See also "need_min_apache_version()".

           Used to require a minimum version of Apache.

           For example:

             plan tests => 5, need_min_apache_version("2.0.40");

           requires Apache 2.0.40 or higher.

           Used to require a specific version of Apache.

           For example:

             plan tests => 5, need_apache_version("2.0.40");

           requires Apache 2.0.40.

           Used to require a specific Apache Multi-Processing Module.

           For example:

             plan tests => 5, need_apache_mpm('prefork');

           requires the prefork MPM.

             plan tests => 5, need_perl 'iolayers';
             plan tests => 5, need_perl 'ithreads';

           Requires a perl extension to be present, or perl compiled with certain capabilities.

           The first example tests whether "PerlIO" is available, the second whether:

             $Config{useithread} eq 'define';

           Used to require a minimum version of Perl.

           For example:

             plan tests => 5, need_min_perl_version("5.008001");

           requires Perl 5.8.1 or higher.

             plan tests => 5, need_module 'CGI';
             plan tests => 5, need_module qw(CGI Find::File);
             plan tests => 5, need_module ['CGI', 'Find::File', 'cgid'];

           Requires Apache C and Perl modules. The function accept a list of arguments or a
           reference to a list.

           In case of C modules, depending on how the module name was passed it may pass through
           the following completions:

           1 need_module 'proxy_http.c'
               If there is the .c extension, the module name will be looked up as is, i.e.

           2 need_module 'mod_cgi'
               The .c extension will be appended before the lookup, turning it into 'mod_cgi.c'.

           3 need_module 'cgi'
               The .c extension and mod_ prefix will be added before the lookup, turning it into

           Used to require a minimum version of a module

           For example:

             plan tests => 5, need_min_module_version(CGI => 2.81);

           requires "CGI.pm" version 2.81 or higher.

           Currently works only for perl modules.

             plan tests => 5,
                 need 'LWP',
                      { "perl >= 5.8.0 and w/ithreads is required" =>
                        ($Config{useperlio} && $] >= 5.008) },
                      { "not Win32"                 => sub { $^O eq 'MSWin32' },
                        "foo is disabled"           => \&is_foo_enabled,

           need() is more generic function which can impose multiple requirements at once. All
           requirements must be satisfied.

           need()'s argument is a list of things to test. The list can include scalars, which are
           passed to need_module(), and hash references. If hash references are used, the keys,
           are strings, containing a reason for a failure to satisfy this particular entry, the
           values are the condition, which are satisfaction if they return true. If the value is
           0 or 1, it used to decide whether the requirements very satisfied, so you can mix
           special "need_*()" functions that return 0 or 1. For example:

             plan tests => 1, need 'Compress::Zlib', 'deflate',

           If the scalar value is a string, different from 0 or 1, it's passed to need_module().
           If the value is a code reference, it gets executed at the time of check and its return
           value is used to check the condition. If the condition check fails, the provided (in a
           key) reason is used to tell user why the test was skipped.

           In the presented example, we require the presence of the "LWP" Perl module,
           "mod_cgid", that we run under perl >= 5.7.3 on Win32.

           It's possible to put more than one requirement into a single hash reference, but be
           careful that the keys will be different.

           It's also important to mention to avoid using:

             plan tests => 1, requirement1 && requirement2;

           technique. While test-wise that technique is equivalent to:

             plan tests => 1, need requirement1, requirement2;

           since the test will be skipped, unless all the rules are satisfied, it's not
           equivalent for the end users. The second technique, deploying "need()" and a list of
           requirements, always runs all the requirement checks and reports all the missing
           requirements. In the case of the first technique, if the first requirement fails, the
           second is not run, and the missing requirement is not reported. So let's say all the
           requirements are missing Apache modules, and a user wants to satisfy all of these and
           run the test suite again. If all the unsatisfied requirements are reported at once,
           she will need to rebuild Apache once. If only one requirement is reported at a time,
           she will have to rebuild Apache as many times as there are elements in the "&&"

           Also see plan().

             plan tests => 5, under_construction;

           skip all tests, noting that the tests are under construction

             plan tests => 5, skip_reason('my custom reason');

           skip all tests.  the reason you specify will be given at runtime.  if no reason is
           given a default reason will be used.

Additional Configuration Variables
             my $basic_cfg = Apache::Test::basic_config();
             $basic_cfg->write_perlscript($file, $content);

           "basic_config()" is similar to "config()", but doesn't contain any httpd-specific
           information and should be used for operations that don't require any httpd-specific

             my $cfg = Apache::Test::config();
             my $server_rev = $cfg->{server}->{rev};

           "config()" gives an access to the configuration object.

             my $serverroot = Apache::Test::vars->{serverroot};
             my $serverroot = Apache::Test::vars('serverroot');
             my($top_dir, $t_dir) = Apache::Test::vars(qw(top_dir t_dir));

           "vars()" gives an access to the configuration variables, otherwise accessible as:

             $vars = Apache::Test::config()->{vars};

           If no arguments are passed, the reference to the variables hash is returned. If one or
           more arguments are passed the corresponding values are returned.

Test::More Integration
       There are a few caveats if you want to use Apache::Test with Test::More instead of the
       default Test backend.  The first is that Test::More requires you to use its own "plan()"
       function and not the one that ships with Apache::Test.  Test::More also defines "ok()" and
       "skip()" functions that are different, and simply "use"ing both modules in your test
       script will lead to redefined warnings for these subroutines.

       To assist Test::More users we have created a special Apache::Test import tag,
       ":withtestmore", which will export all of the standard Apache::Test symbols into your
       namespace except the ones that collide with Test::More.

           use Apache::Test qw(:withtestmore);
           use Test::More;

           plan tests => 1;           # Test::More::plan()

           ok ('yes', 'testing ok');  # Test::More::ok()

       Now, while this works fine for standard client-side tests (such as "t/basic.t"), the more
       advanced features of Apache::Test require using Test::More as the sole driver behind the

       Should you choose to use Test::More as the backend for server-based tests (such as
       "t/response/TestMe/basic.pm") you will need to use the "-withtestmore" action tag:

           use Apache::Test qw(-withtestmore);

           sub handler {

               my $r = shift;

               plan $r, tests => 1;           # Test::More::plan() with
                                              # Apache::Test features

               ok ('yes', 'testing ok');      # Test::More::ok()

       "-withtestmore" tells Apache::Test to use Test::More instead of Test.pm behind the scenes.
       Note that you are not required to "use Test::More" yourself with the "-withtestmore"
       option and that the "use Test::More tests => 1" syntax may have unexpected results.

       Note that Test::More version 0.49, available within the Test::Simple 0.49 distribution on
       CPAN, or greater is required to use this feature.

       Because Apache:Test was initially developed using Test as the framework driver, complete
       Test::More integration is considered experimental at this time - it is supported as best
       as possible but is not guaranteed to be as stable as the default Test interface at this

Apache::TestToString Class
       The Apache::TestToString class is used to capture Test.pm output into a string.  Example:


           plan tests => 4;

           ok $data eq 'foo';


           # $tests will contain the Test.pm output: 1..4\nok 1\n...
           my $tests = Apache::TestToString->finish;

       The Apache-Test tutorial: <http://perl.apache.org/docs/general/testing/testing.html>.

       Apache::TestRequest subclasses LWP::UserAgent and exports a number of useful functions for
       sending request to the Apache test server. You can then test the results of those

       Use Apache::TestMM in your Makefile.PL to set up your distribution for testing.

       Doug MacEachern with contributions from Geoffrey Young, Philippe M. Chiasson, Stas Bekman
       and others.

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

perl v5.20.2                                2017-07-01                          Apache::Test(3pm)

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