App::Prove - Online Linux Manual PageSection : 3
Updated : 2022-01-21
Source : perl v5.34.0
Note : User Contributed Perl Documentation
NAMEApp::Prove − Implements the "prove" command.
VERSIONVersion 3.43
DESCRIPTIONTest::Harness provides a command, prove, which runs a TAP based test suite and prints a report. The prove command is a minimal wrapper around an instance of this module.
SYNOPSIS use App::Prove;
my $app = App::Prove−>new;
$app−>process_args(@ARGV);
$app−>run;
METHODS
Class Methodsnew Create a new App::Prove. Optionally a hash ref of attribute initializers may be passed. state_class Getter/setter for the name of the class used for maintaining state. This class should either subclass from App::Prove::State or provide an identical interface. state_manager Getter/setter for the instance of the state_class. add_rc_file $prove−>add_rc_file('myproj/.proverc');
Called before process_args to prepend the contents of an rc file to the options. process_args $prove−>process_args(@args);
Processes the command-line arguments. Attributes will be set appropriately. Any filenames may be found in the argv attribute. Dies on invalid arguments. run Perform whatever actions the command line args specified. The prove command line tool consists of the following code: use App::Prove;
my $app = App::Prove−>new;
$app−>process_args(@ARGV);
exit( $app−>run ? 0 : 1 ); # if you need the exit code
require_harness Load a harness replacement class. $prove−>require_harness($for => $class_name);
print_version Display the version numbers of the loaded TAP::Harness and the current Perl.
AttributesAfter command line parsing the following attributes reflect the values of the corresponding command line switches. They may be altered before calling run. archive argv backwards blib color directives dry exec extensions failures comments formatter harness ignore_exit includes jobs lib merge modules parse plugins quiet really_quiet recurse rules show_count show_help show_man show_version shuffle state state_class taint_fail taint_warn test_args timer verbose warnings_fail warnings_warn tapversion trap
PLUGINSApp::Prove provides support for 3rd−party plugins. These are currently loaded at run-time, after arguments have been parsed (so you can not change the way arguments are processed, sorry), typically with the −Pplugin switch, eg: prove −PMyPlugin
This will search for a module named App::Prove::Plugin::MyPlugin, or failing that, MyPlugin. If the plugin can't be found, prove will complain & exit. You can pass an argument to your plugin by appending an = after the plugin name, eg −PMyPlugin=foo. You can pass multiple arguments using commas: prove −PMyPlugin=foo,bar,baz
These are passed in to your plugin's load() class method (if it has one), along with a reference to the App::Prove object that is invoking your plugin: sub load {
my ($class, $p) = @_;
my @args = @{ $p−>{args} };
# @args will contain ( 'foo', 'bar', 'baz' )
$p−>{app_prove}−>do_something;
...
}
Note that the user's arguments are also passed to your plugin's import() function as a list, eg: sub import {
my ($class, @args) = @_;
# @args will contain ( 'foo', 'bar', 'baz' )
...
}
This is for backwards compatibility, and may be deprecated in the future.
Sample PluginHere's a sample plugin, for your reference: package App::Prove::Plugin::Foo;
# Sample plugin, try running with:
# prove −PFoo=bar −r −j3
# prove −PFoo −Q
# prove −PFoo=bar,My::Formatter
use strict;
use warnings;
sub load {
my ($class, $p) = @_;
my @args = @{ $p−>{args} };
my $app = $p−>{app_prove};
print "loading plugin: $class, args: ", join(', ', @args ), "\n";
# turn on verbosity
$app−>verbose( 1 );
# set the formatter?
$app−>formatter( $args[1] ) if @args > 1;
# print some of App::Prove's state:
for my $attr (qw( jobs quiet really_quiet recurse verbose )) {
my $val = $app−>$attr;
$val = 'undef' unless defined( $val );
print "$attr: $val\n";
}
return 1;
}
1;
SEE ALSOprove, TAP::Harness 0
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