NAME

Module::Spy - Spy for Perl5

SYNOPSIS

Spy for class method.

use Module::Spy;

my $spy = spy_on('LWP::UserAgent', 'request');
$spy->and_returns(HTTP::Response->new(200));

my $res = LWP::UserAgent->new()->get('http://mixi.jp/');

Spy for object method

use Module::Spy;

my $ua = LWP::UserAgent->new();
my $spy = spy_on($ua, 'request')->and_returns(HTTP::Response->new(200));

my $res = $ua->get('http://mixi.jp/');

ok $spy->called;

DESCRIPTION

Module::Spy is spy library for Perl5.

FUNCTIONS

my $spy = spy_on($class|$object, $method)

Create new spy. Returns new Module::Spy::Class or Module::Spy::Object instance.

Module::Spy::(Class|Object) methods

$spy->called() :Bool

$spy->and_called() :Bool

Returns true value if the method was called. False otherwise.

$spy->returns($value) : Module::Spy::Base

$spy->and_returns($value) : Module::Spy::Base

Stub the method's return value as $value.

Returns <$spy> itself for method chaining.

$spy->calls_any() : Bool

Returns false if the spy has not been called at all, and then true once at least one call happens.

$spy->calls_count() : Int

Returns the number of times the spy was called

$spy->calls_all() : Int

Returns arguments passed all calls

$spy->calls_most_recent() : ArrayRef

Returns arguments for the most recent call

$spy->calls_first() : ArrayRef

Returns arguments for the first call

$spy->calls_reset()

Clears all tracking for a spy

SEE ALSO

The interface was inspired from Jasmine library http://jasmine.github.io/.

LICENSE

Copyright (C) Tokuhiro Matsuno.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Tokuhiro Matsuno <tokuhirom@gmail.com>