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NAME

Test::Moose::More - More tools for testing Moose packages

VERSION

This document describes version 0.035 of Test::Moose::More - released August 26, 2015 as part of Test-Moose-More.

SYNOPSIS

use Test::Moose::More;

is_class_ok 'Some::Class';
is_role_ok  'Some::Role';
has_method_ok 'Some::Class', 'foo';

# ... etc

DESCRIPTION

This package contains a number of additional tests that can be employed against Moose classes/roles. It is intended to replace Test::Moose in your tests, and re-exports any tests that it has and we do not, yet.

FUNCTIONS

known_sugar

Returns a list of all the known standard Moose sugar (has, extends, etc).

TEST FUNCTIONS

meta_ok $thing

Tests $thing to see if it has a metaclass; $thing may be the class name or instance of the class you wish to check.

does_ok $thing, < $role | \@roles >, [ $message ]

Checks to see if $thing does the given roles. $thing may be the class name or instance of the class you wish to check.

Note that the message will be taken verbatim unless it contains %s somewhere; this will be replaced with the name of the role being tested for.

does_not_ok $thing, < $role | \@roles >, [ $message ]

Checks to see if $thing does not do the given roles. $thing may be the class name or instance of the class you wish to check.

Note that the message will be taken verbatim unless it contains %s somewhere; this will be replaced with the name of the role being tested for.

has_attribute_ok $thing, $attribute_name, [ $message ]

Checks $thing for an attribute named $attribute_name; $thing may be a class name, instance, or role name.

has_method_ok $thing, @methods

Queries $thing's metaclass to see if $thing has the methods named in @methods.

role_wraps_around_method_ok $role, @methods

Queries $role's metaclass to see if $role wraps the methods named in @methods with an around method modifier.

role_wraps_before_method_ok $role, @methods

Queries $role's metaclass to see if $role wraps the methods named in @methods with an before method modifier.

role_wraps_after_method_ok $role, @methods

Queries $role's metaclass to see if $role wraps the methods named in @methods with an after method modifier.

requires_method_ok $thing, @methods

Queries $thing's metaclass to see if $thing requires the methods named in @methods.

Note that this really only makes sense if $thing is a role.

is_immutable_ok $thing

Passes if $thing is immutable.

is_not_immutable_ok $thing

Passes if $thing is not immutable; that is, is mutable.

is_role_ok $thing

Passes if $thing's metaclass is a Moose::Meta::Role.

is_class_ok $thing

Passes if $thing's metaclass is a Moose::Meta::Class.

is_anon_ok $thing

Passes if $thing is "anonymous".

is_not_anon_ok $thing

Passes if $thing is not "anonymous".

check_sugar_removed_ok $thing

Ensures that all the standard Moose sugar is no longer directly callable on a given package.

check_sugar_ok $thing

Checks and makes sure a class/etc can still do all the standard Moose sugar.

validate_thing

Runs a bunch of tests against the given $thing, as defined:

validate_thing $thing => (

    attributes => [ ... ],
    methods    => [ ... ],
    isa        => [ ... ],

    # ensures sugar is/is-not present
    sugar      => 0,

    # ensures $thing does these roles
    does       => [ ... ],

    # ensures $thing does not do these roles
    does_not   => [ ... ],
);

$thing can be the name of a role or class, an object instance, or a metaclass.

  • -subtest => 'subtest name...'

    If set, all tests run will be wrapped in a subtest, the name of which will be whatever -subtest is set to.

  • isa => [ ... ]

    A list of superclasses thing should have.

  • anonymous => 0|1

    Check to see if the class is/isn't anonymous.

  • does => [ ... ]

    A list of roles the thing should do.

  • does_not => [ ... ]

    A list of roles the thing should not do.

  • attributes => [ ... ]

    The attributes list specified here is in the form of a list of names, each optionally followed by a hashref of options to test the attribute for; this hashref takes the same arguments "validate_attribute" does. e.g.:

    validate_thing $thing => (
    
        attributes => [
            'foo',
            'bar',
            baz => { is => 'ro', ... },
            'bip',
        ],
    );
    
  • methods => [ ... ]

    A list of methods the thing should have.

  • sugar => 0|1

    Ensure that thing can/cannot do the standard Moose sugar.

validate_role

The same as validate_thing(), but ensures $thing is a role, and allows for additional role-specific tests.

validate_role $thing => (

    required_methods => [ ... ],

    # ...and all other options from validate_thing()
);
  • -compose => 0|1

    When true, attempt to compose the role into an anonymous class, then use it to run "validate_class". The options we're given are passed to validate_class() directly, except that any required_methods entry is removed and its contents pushed onto methods. (A stub method for each entry in required_methods will also be created in the new class.)

    e.g.:

    ok 1 - TestRole has a metaclass
    ok 2 - TestRole is a Moose role
    ok 3 - TestRole requires method blargh
    ok 4 - TestRole does TestRole
    ok 5 - TestRole does not do TestRole::Two
    ok 6 - TestRole has method method1
    ok 7 - TestRole has an attribute named bar
        # Subtest: role composed into Moose::Meta::Class::__ANON__::SERIAL::1
        ok 1 - Moose::Meta::Class::__ANON__::SERIAL::1 has a metaclass
        ok 2 - Moose::Meta::Class::__ANON__::SERIAL::1 is a Moose class
        ok 3 - Moose::Meta::Class::__ANON__::SERIAL::1 does TestRole
        ok 4 - Moose::Meta::Class::__ANON__::SERIAL::1 does not do TestRole::Two
        ok 5 - Moose::Meta::Class::__ANON__::SERIAL::1 has method method1
        ok 6 - Moose::Meta::Class::__ANON__::SERIAL::1 has method blargh
        ok 7 - Moose::Meta::Class::__ANON__::SERIAL::1 has an attribute named bar
        1..7
    ok 8 - role composed into Moose::Meta::Class::__ANON__::SERIAL::1
    1..8
    
  • -subtest => 'subtest name...'

    If set, all tests run will be wrapped in a subtest, the name of which will be whatever -subtest is set to.

  • required_methods => [ ... ]

    A list of methods the role requires a consuming class to supply.

  • before => [ ... ]

    A list of methods the role expects to wrap before, on application to a class.

    See "before" in Moose for information on before method modifiers.

  • around => [ ... ]

    A list of methods the role expects to wrap around, on application to a class.

    See "around" in Moose for information on around method modifiers.

  • after => [ ... ]

    A list of methods the role expects to wrap after, on application to a class.

    See "after" in Moose for information on after method modifiers.

validate_class

The same as validate_thing(), but ensures $thing is a class, and allows for additional class-specific tests.

validate_class $thing => (

    isa  => [ ... ],

    attributes => [ ... ],
    methods    => [ ... ],
    isa        => [ ... ],

    # ensures sugar is/is-not present
    sugar      => 0,

    # ensures $thing does these roles
    does       => [ ... ],

    # ensures $thing does not do these roles
    does_not   => [ ... ],

    # ...and all other options from validate_thing()
);
  • -subtest => 'subtest name...'

    If set, all tests run will be wrapped in a subtest, the name of which will be whatever -subtest is set to.

  • immutable => 0|1

    Checks the class to see if it is/isn't immutable.

validate_attribute

validate_attribute() allows you to test how an attribute looks once built and attached to a class.

Let's say you have an attribute defined like this:

has foo => (
    traits  => [ 'TestRole' ],
    is      => 'ro',
    isa     => 'Int',
    builder => '_build_foo',
    lazy    => 1,
);

You can use validate_attribute() to ensure that it's built out in the way you expect:

validate_attribute TestClass => foo => (

    # tests the attribute metaclass instance to ensure it does the roles
    -does => [ 'TestRole' ],
    # tests the attribute metaclass instance's inheritance
    -isa  => [ 'Moose::Meta::Attribute' ], # for demonstration's sake

    traits   => [ 'TestRole' ],
    isa      => 'Int',
    does     => 'Bar',
    handles  => { },
    reader   => 'foo',
    builder  => '_build_foo',
    default  => undef,
    init_arg => 'foo',
    lazy     => 1,
    required => undef,
);

Options passed to validate_attribute() prefixed with '-' test the attribute's metaclass instance rather than a setting on the attribute; that is, '-does' ensures that the metaclass does a particular role (e.g. MooseX::AttributeShortcuts), while 'does' tests the setting of the attribute to require the value do a given role.

This function takes all the options "attribute_options_ok" takes, as well as the following:

  • -subtest => 'subtest name...'

    If set, all tests run will be wrapped in a subtest, the name of which will be whatever -subtest is set to.

attribute_options_ok

Validates that an attribute is set up as expected; like validate_attribute(), but only concerns itself with attribute options.

Note that some of these options will skip if used against attributes defined in a role.

  • is => ro|rw

    Tests for reader/writer options set as one would expect.

  • isa => ...

    Validates that the attribute requires its value to be a given type.

  • does => ...

    Validates that the attribute requires its value to do a given role.

  • builder => '...'

    Validates that the attribute expects the method name given to be its builder.

  • default => ...

    Validates that the attribute has the given default.

  • init_arg => '...'

    Validates that the attribute has the given initial argument name.

  • lazy => 0|1

    Validates that the attribute is/isn't lazy.

  • required => 0|1

    Validates that setting the attribute's value is/isn't required.

SEE ALSO

Please see those modules/websites for more information related to this module.

BUGS

Please report any bugs or feature requests on the bugtracker website https://github.com/RsrchBoy/Test-Moose-More/issues

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

AUTHOR

Chris Weyl cweyl@alumni.drew.edu

I'm a material boy in a material world

Please note I do not expect to be gittip'ed or flattr'ed for this work, rather it is simply a very pleasant surprise. I largely create and release works like this because I need them or I find it enjoyable; however, don't let that stop you if you feel like it ;)

Flattr, Gratipay, or indulge my Amazon Wishlist... If and *only* if you so desire.

CONTRIBUTORS

COPYRIGHT AND LICENSE

This software is Copyright (c) 2012 by Chris Weyl.

This is free software, licensed under:

The GNU Lesser General Public License, Version 2.1, February 1999
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