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292 lines
11 KiB
292 lines
11 KiB
#!/usr/bin/perl
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use Test::More tests => 44;
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use Test::Warn;
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my $destructorcount = 0;
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BEGIN {
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use_ok('Koha::Cache');
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use_ok('Koha::Caches');
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use_ok('Koha::Cache::Object');
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use_ok('Koha::Cache::Memory::Lite');
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use_ok('C4::Context');
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}
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SKIP: {
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# Set a special namespace for testing, to avoid breaking
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# if test is run with a different user than Apache's.
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$ENV{ MEMCACHED_NAMESPACE } = 'unit_tests';
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my $cache = Koha::Caches->get_instance();
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skip "Cache not enabled", 36
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unless ( $cache->is_cache_active() && defined $cache );
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# test fetching an item that isnt in the cache
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is( $cache->get_from_cache("not in here"),
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undef, "fetching item NOT in cache" );
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# set_in_cache should not warn
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my $warn;
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{
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local $SIG{__WARN__} = sub {
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$warn = shift;
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};
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$cache->set_in_cache( "a key", undef );
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is( $warn, undef, 'Koha::Cache->set_in_cache should not return any warns' );
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}
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# test expiry time in cache
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$cache->set_in_cache( "timeout", "I AM DATA", { expiry => 1 } ); # expiry time of 1 second
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sleep 2;
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$cache->flush_L1_cache();
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is( $cache->get_from_cache("timeout"),
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undef, "fetching expired item from cache" );
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# test fetching a valid, non expired, item from cache
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$cache->set_in_cache( "clear_me", "I AM MORE DATA", { expiry => 1000 } )
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; # overly large expiry time, clear below
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$cache->set_in_cache( "dont_clear_me", "I AM MORE DATA22", { expiry => 1000 } )
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; # overly large expiry time, clear below
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is(
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$cache->get_from_cache("clear_me"),
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"I AM MORE DATA",
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"fetching valid item from cache"
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);
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# test clearing from cache
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$cache->clear_from_cache("clear_me");
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is( $cache->get_from_cache("clear_me"),
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undef, "fetching cleared item from cache" );
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is(
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$cache->get_from_cache("dont_clear_me"),
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"I AM MORE DATA22",
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"fetching valid item from cache (after clearing another item)"
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);
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#test flushing from cache
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$cache->set_in_cache( "flush_me", "testing 1 data" );
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$cache->flush_all;
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is( $cache->get_from_cache("flush_me"),
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undef, "fetching flushed item from cache" );
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is( $cache->get_from_cache("dont_clear_me"),
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undef, "fetching flushed item from cache" );
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my $constructorcount = 0;
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my $myscalar = $cache->create_scalar(
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{
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'key' => 'myscalar',
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'timeout' => 1,
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'allowupdate' => 1,
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'unset' => 1,
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'constructor' => sub { return ++$constructorcount; },
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'destructor' => sub { return ++$destructorcount; },
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}
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);
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ok( defined($myscalar), 'Created tied scalar' );
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is( $$myscalar, 1, 'Constructor called to first initialize' );
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$cache->flush_L1_cache();
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is( $$myscalar, 1, 'Data retrieved from cache' );
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$cache->flush_L1_cache();
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sleep 2;
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is( $$myscalar, 2, 'Constructor called again when timeout reached' );
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$$myscalar = 5;
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is( $$myscalar, 5, 'Stored new value to cache' );
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is( $constructorcount, 2, 'Constructor not called after storing value' );
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undef $myscalar;
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is( $cache->get_from_cache("myscalar"),
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undef, 'Item removed from cache on destruction' );
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my %hash = ( 'key' => 'value' );
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my $myhash = $cache->create_hash(
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{
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'key' => 'myhash',
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'timeout' => 1,
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'allowupdate' => 1,
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'unset' => 1,
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'constructor' => sub { return { %hash }; },
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}
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);
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ok(defined $myhash, 'Created tied hash');
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is($myhash->{'key'}, 'value', 'Found expected value in hash');
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ok(exists $myhash->{'key'}, 'Exists works');
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$myhash->{'key2'} = 'surprise';
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is($myhash->{'key2'}, 'surprise', 'Setting hash member worked');
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$hash{'key2'} = 'nosurprise';
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sleep 2;
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$cache->flush_L1_cache();
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is($myhash->{'key2'}, 'nosurprise', 'Cache change caught');
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my $foundkeys = 0;
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foreach my $key (keys %{$myhash}) {
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$foundkeys++;
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}
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is($foundkeys, 2, 'Found expected 2 keys when iterating through hash');
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isnt(scalar %{$myhash}, undef, 'scalar knows the hash is not empty');
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$hash{'anotherkey'} = 'anothervalue';
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sleep 2;
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$cache->flush_L1_cache();
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ok(exists $myhash->{'anotherkey'}, 'Cache reset properly');
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delete $hash{'anotherkey'};
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delete $myhash->{'anotherkey'};
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ok(!exists $myhash->{'anotherkey'}, 'Key successfully deleted');
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undef %hash;
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%{$myhash} = ();
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is(scalar %{$myhash}, 0, 'hash cleared');
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$hash{'key'} = 'value';
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is($myhash->{'key'}, 'value', 'retrieved value after clearing cache');
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# UTF8 testing
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my $utf8_str = "A Møøse once bit my sister";
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$cache->set_in_cache('utf8_1', $utf8_str);
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is($cache->get_from_cache('utf8_1'), $utf8_str, 'Simple 8-bit UTF8 correctly retrieved');
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$utf8_str = "\x{20ac}"; # €
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$cache->set_in_cache('utf8_1', $utf8_str);
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my $utf8_res = $cache->get_from_cache('utf8_1');
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# This'll ensure that we're getting a unicode string back, rather than
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# a couple of bytes.
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is(length($utf8_res), 1, 'UTF8 string length correct');
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# ...and that it's really the character we intend
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is(ord($utf8_res), 8364, 'UTF8 string value correct');
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# Make sure the item will be deep copied
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# Scalar
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my $item = "just a simple scalar";
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$cache->set_in_cache('test_deep_copy', $item);
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my $item_from_cache = $cache->get_from_cache('test_deep_copy');
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$item_from_cache = "a modified scalar";
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is( $cache->get_from_cache('test_deep_copy'), 'just a simple scalar', 'A scalar will not be modified in the cache if get from the cache' );
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# Array
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my @item = qw( an array ref );
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$cache->set_in_cache('test_deep_copy_array', \@item);
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$item_from_cache = $cache->get_from_cache('test_deep_copy_array');
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@$item_from_cache = qw( another array ref );
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is_deeply( $cache->get_from_cache('test_deep_copy_array'), [ qw ( an array ref ) ], 'An array will be deep copied');
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$cache->flush_L1_cache();
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$item_from_cache = $cache->get_from_cache('test_deep_copy_array');
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@$item_from_cache = qw( another array ref );
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is_deeply( $cache->get_from_cache('test_deep_copy_array'), [ qw ( an array ref ) ], 'An array will be deep copied even it is the first fetch from L2');
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$item_from_cache = $cache->get_from_cache('test_deep_copy_array', { unsafe => 1 });
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@$item_from_cache = qw( another array ref );
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is_deeply( $cache->get_from_cache('test_deep_copy_array', { unsafe => 1 }), [ qw ( another array ref ) ], 'An array will not be deep copied if the unsafe flag is set');
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# Hash
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my %item = ( a => 'hashref' );
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$cache->set_in_cache('test_deep_copy_hash', \%item);
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$item_from_cache = $cache->get_from_cache('test_deep_copy_hash');
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%$item_from_cache = ( another => 'hashref' );
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is_deeply( $cache->get_from_cache('test_deep_copy_hash'), { a => 'hashref' }, 'A hash will be deep copied');
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%item = ( a_modified => 'hashref' );
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is_deeply( $cache->get_from_cache('test_deep_copy_hash'), { a => 'hashref' }, 'A hash will be deep copied when set in cache');
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%item = ( a => 'hashref' );
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$cache->set_in_cache('test_deep_copy_hash', \%item);
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$item_from_cache = $cache->get_from_cache('test_deep_copy_hash', { unsafe => 1 });
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%$item_from_cache = ( another => 'hashref' );
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is_deeply( $cache->get_from_cache('test_deep_copy_hash', { unsafe => 1 }), { another => 'hashref' }, 'A hash will not be deep copied if the unsafe flag is set');
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}
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subtest 'Koha::Cache::Memory::Lite' => sub {
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plan tests => 6;
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my $memory_cache = Koha::Cache::Memory::Lite->get_instance();
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# test fetching an item that isnt in the cache
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is( $memory_cache->get_from_cache("not in here"),
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undef, "fetching item NOT in cache" );
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# test fetching a valid item from cache
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$memory_cache->set_in_cache( "clear_me", "I AM MORE DATA" );
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$memory_cache->set_in_cache( "dont_clear_me", "I AM MORE DATA22" );
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; # overly large expiry time, clear below
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is(
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$memory_cache->get_from_cache("clear_me"),
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"I AM MORE DATA",
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"fetching valid item from cache"
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);
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# test clearing from cache
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$memory_cache->clear_from_cache("clear_me");
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is( $memory_cache->get_from_cache("clear_me"),
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undef, "fetching cleared item from cache" );
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is(
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$memory_cache->get_from_cache("dont_clear_me"),
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"I AM MORE DATA22",
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"fetching valid item from cache (after clearing another item)"
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);
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#test flushing from cache
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$memory_cache->set_in_cache( "flush_me", "testing 1 data" );
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$memory_cache->flush;
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is( $memory_cache->get_from_cache("flush_me"),
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undef, "fetching flushed item from cache" );
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is( $memory_cache->get_from_cache("dont_clear_me"),
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undef, "fetching flushed item from cache" );
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};
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subtest 'Koha::Caches' => sub {
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plan tests => 8;
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my $default_cache = Koha::Caches->get_instance();
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my $another_cache = Koha::Caches->get_instance('another_cache');
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$default_cache->set_in_cache('key_a', 'value_a');
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$default_cache->set_in_cache('key_b', 'value_b');
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$another_cache->set_in_cache('key_a', 'another_value_a');
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$another_cache->set_in_cache('key_b', 'another_value_b');
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is( $default_cache->get_from_cache('key_a'), 'value_a' );
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is( $another_cache->get_from_cache('key_a'), 'another_value_a' );
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is( $default_cache->get_from_cache('key_b'), 'value_b' );
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is( $another_cache->get_from_cache('key_b'), 'another_value_b' );
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$another_cache->clear_from_cache('key_b');
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is( $default_cache->get_from_cache('key_b'), 'value_b' );
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is( $another_cache->get_from_cache('key_b'), undef );
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$another_cache->flush_all();
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is( $default_cache->get_from_cache('key_a'), 'value_a' );
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is( $another_cache->get_from_cache('key_a'), undef );
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};
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END {
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SKIP: {
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$ENV{ MEMCACHED_NAMESPACE } = 'unit_tests';
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my $cache = Koha::Caches->get_instance();
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skip "Cache not enabled", 1
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unless ( $cache->is_cache_active() );
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is( $destructorcount, 1, 'Destructor run exactly once' );
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# cleanup temporary file
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my $tmp_file = $cache->{ fastmmap_cache }->{ share_file };
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unlink $tmp_file if defined $tmp_file;
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}
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}
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