Hi Jon,
I did this test and it passes. It looks like the correct class is used
(Poet::Cache), but when the object is constructed, something goes wrong
with how Poet's configuration is passed to its constructor and we end up
with default cache driver - CHI::Driver::File - being used.
I tried to add this to PSGIHandler.pm tests and I modified them like this
(I'd send a .diff but its such a small change that its pointless):
I added these statements to $poet conf initializer at the beginning of the
file:
*'cache.defaults.driver' => 'Memory',*
*'cache.defaults.global' => 1,*
Then I changed test_cache fund like this:
sub test_cache : Tests {
my $self = shift;
my $expected_root_dir = $poet->root_dir . "/data/cache";
*my $expected_driver = $poet->conf->get("cache.defaults.driver");*
$self->try_psgi_comp(
path => '/cache.mc',
src => '
chi_root_class: <% $m->cache->chi_root_class %>
root_dir: <% $m->cache->root_dir %>
*driver: <% $m->cache->driver_class %>*
',
expect_content => "
chi_root_class: Poet::Cache
root_dir: $expected_root_dir
*driver: CHI::Driver::$expected_driver*
",
);
}
This is the result:
not ok 19 - /cache.mc - content
# Failed test '/cache.mc - content'
# at MyTest.pm line 62.
# (in MyTest->test_cache)
# got: 'chi_root_class: Poet::Cache
# root_dir: /tmp/Poet-jGQp/data/cache
# driver: CHI::Driver::File'
# expected: 'chi_root_class: Poet::Cache
# root_dir: /tmp/Poet-jGQp/data/cache
# driver: CHI::Driver::Memory'
So even though I set default cache to be Memory, its initialized as File
storage, everything else is fine (chi_root_class and root_dir).
It seems like Poet::Cache->cache_defaults are not loaded at the time Mason
creates its Cache class? I will try to debug it further, I'm not yet sure
if I'm doing something wrong or the problem is with order of initialization
- I will let you know if I find something.
On 16 January 2014 13:41, Jonathan Swartz <swa...@pobox.com> wrote:
> In Poet::Mason it sets the default cache_root_class to Poet's Cache class:
>
> method get_options ($class:) {
> my %defaults = (
> cache_root_class => $poet->app_class('Cache'),
>
> There is a Poet test for this in Poet::t::PSGIHandler (test_cache). Is
> this test passing for you?
>
> Jon
>
> On Jan 13, 2014, at 4:42 AM, Kamil Niechajewicz <
> k.niechajew...@firma.bankier.pl> wrote:
>
> Hello,
>
> We wanted to start using Poet::Cache in our application and discovered a
> really weird problem. Following manual from here (
> http://search.cpan.org/~jswartz/Poet-0.10/lib/Poet/Cache.pm), we need to
> configure default cache store - I did it for Memcached, in global.cfg:
>
> cache:
> defaults:
> driver: Memcached
> servers: ["127.0.0.1:11211"]
>
> Then I should just start my app and use $m->cache in Mason components,
> right? The problem is - whenever I use $m->cache, it uses File driver
> instead of Memcached. I checked and it looks like Poet::Cache works well
> when used from scripts or Perl modules (it loads correct cache object), but
> for Mason components its always default File cache.
>
> This led me to Mason::Plugins::Cache and I realized that I have no idea
> how this class works together with Poet's caching. It seems that the
> problem lies somewhere in between - Poet's configuration is not passed
> correctly to Mason::Plugin, but why?
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--
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