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|
#!perl
use warnings;
use strict;
use Test::More;
use Prometheus::Tiny;
{
my $p = Prometheus::Tiny->new;
is $p->format, '', 'no metrics produces no output';
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 5);
is $p->format, <<EOF, 'single metric formatted correctly';
some_metric 5
EOF
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 5);
$p->set('other_metric', 10);
is $p->format, <<EOF, 'multiple metrics formatted correctly';
other_metric 10
some_metric 5
EOF
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 3);
$p->set('some_metric', 8);
is $p->format, <<EOF, 'single metric is overwritten correctly';
some_metric 8
EOF
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 5, {}, 1234);
is $p->format, <<EOF, 'single metric with timestamp formatted correctly';
some_metric 5 1234
EOF
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 5, {}, 2345);
$p->set('other_metric', 10, {}, 1234);
is $p->format, <<EOF, 'multiple metrics with timestamp formatted correctly';
other_metric 10 1234
some_metric 5 2345
EOF
}
{
my $p = Prometheus::Tiny->new;
$p->set('some_metric', 3, {}, 1234);
$p->set('some_metric', 8, {}, 2345);
is $p->format, <<EOF, 'single metric with timestamp is overwritten correctly';
some_metric 8 2345
EOF
}
done_testing;
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