package test_06;
use strict;
use Test::More;
use CHI::Cascade::Value ':state';
use parent 'Exporter';
use Time::HiRes qw(time);
our @EXPORT = qw(test_cascade);
my $recomputed;
sub test_cascade {
my $cascade = shift;
$cascade->rule(
target => 'reset',
code => sub { 1 }
);
$cascade->rule(
target => 'big_array',
depends => 'reset',
ttl => [ 1, 2 ],
code => sub {
return [ 1 .. 1000 ];
}
);
$cascade->rule(
target => qr/^one_page_(\d+)$/,
depends => 'big_array',
code => sub {
my ($rule) = @_;
my ($page) = $rule->target =~ /^one_page_(\d+)$/;
my $ret = [ @{$rule->dep_values->{big_array}}[ ($page * 10) .. (( $page + 1 ) * 10 - 1) ] ];
$ret;
}
);
my ( $res, $state, $ttl );
ok( defined( $res = $cascade->run( 'one_page_0' ) ) );
is_deeply( $res, [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] );
ok( $cascade->{stats}{recompute} == 3 );
ok( defined( $res = $cascade->run( 'one_page_1', ttl => \$ttl ) ) );
is_deeply( $res, [ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 ] );
ok( $cascade->{stats}{recompute} == 4 );
ok( ! defined $ttl );
$cascade->target_remove('reset');
ok( defined( $res = $cascade->run( 'one_page_0', state => \$state, ttl => \$ttl ) ) );
is_deeply( $res, [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] );
ok( $cascade->{stats}{recompute} == 5 ); # reset is recomputed now but the one_page_0 is not
ok( $state & CASCADE_TTL_INVOLVED );
ok( not $state & CASCADE_RECOMPUTED );
ok( defined $ttl && $ttl > 0 );
my $prevTTL = $ttl;
select( undef, undef, undef, 0.2 );
# Not ttl will be reduced by ~ 0.2 seconds
ok( defined( $res = $cascade->run( 'one_page_0', state => \$state, ttl => \$ttl ) ) );
is_deeply( $res, [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] );
ok( $cascade->{stats}{recompute} == 5 );
ok( $state & CASCADE_TTL_INVOLVED );
ok( not $state & CASCADE_RECOMPUTED );
ok( defined $ttl && $ttl > 0 );
cmp_ok( $prevTTL - $ttl, '>', 0.1 );
cmp_ok( $prevTTL - $ttl, '<', 0.3 );
select( undef, undef, undef, 1.9 );
# Maximum (2 seconds) ttl has been reached now ( 0.2 + 1.9 time elapsed)
ok( defined( $res = $cascade->run( 'one_page_0', state => \$state, ttl => \$ttl ) ) );
ok( ! defined $ttl );
is_deeply( $res, [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] );
ok( $cascade->{stats}{recompute} == 7 );
ok( not $state & CASCADE_TTL_INVOLVED );
ok( $state & CASCADE_RECOMPUTED );
ok( defined( $res = $cascade->run( 'one_page_0', state => \$state, ttl => \$ttl ) ) );
ok( ! defined $ttl );
is_deeply( $res, [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ] );
ok( $cascade->{stats}{recompute} == 7 );
ok( not $state & CASCADE_TTL_INVOLVED );
ok( ( $state & ( CASCADE_ACTUAL_VALUE | CASCADE_FROM_CACHE ) ) == ( CASCADE_ACTUAL_VALUE | CASCADE_FROM_CACHE ) );
done_testing;
}
1;