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# vim: sw=4 : ts=4 : et
use warnings;
use strict;
use Test::More tests => 18;
use Test::LongString;
use POSIX ();
use File::Temp qw( tempdir );
use Data::Dumper;
use File::Slurp;
use Munin::Node::SpoolReader;
use Munin::Node::SpoolWriter;
### new
{
my $dir = POSIX::getcwd();
my $writer = new_ok('Munin::Node::SpoolReader' => [
spooldir => $dir,
], 'spooldir provided to constructor');
is($writer->{spooldir}, $dir, 'spooldir key is set');
isa_ok($writer->{spooldirhandle}, 'GLOB', 'spooldirhandle is a glob');
}
{
eval { Munin::Node::SpoolReader->new(fnord => 'blort') };
like($@, qr/./, 'Dies if no spooldir provided');
}
### fetch
{
my $dir = tempdir(CLEANUP => 1);
my $writer = Munin::Node::SpoolWriter->new(spooldir => $dir);
my $reader = Munin::Node::SpoolReader->new(spooldir => $dir);
# write some data
$writer->write(1234567890, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 1',
]);
$writer->write(1234567900, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 2',
]);
$writer->write(1234567910, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 3',
]);
is_string($reader->fetch(1234567899), <<EOS, 'Fetched data since the write');
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567900:2
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567910:3
EOS
is_string($reader->fetch(1234567900), <<EOS, 'Start timestamp is not inclusive');
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567910:3
EOS
is_string($reader->fetch(1), <<EOS, 'Timestamp predates all result: all results are returned');
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567890:1
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567900:2
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567910:3
EOS
is_string($reader->fetch(1234567999), '', 'Timestamp postdates the last result: empty string');
}
{
my $dir = tempdir(CLEANUP => 1);
my $writer = Munin::Node::SpoolWriter->new(spooldir => $dir);
my $reader = Munin::Node::SpoolReader->new(spooldir => $dir);
# write some data
$writer->write(1234567890, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'',
'system.value 1',
'',
]);
is_string($reader->fetch(1), <<EOS, 'Blank lines are ignored');
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567890:1
EOS
}
{
my $dir = tempdir(CLEANUP => 1);
my $writer = Munin::Node::SpoolWriter->new(spooldir => $dir);
my $reader = Munin::Node::SpoolReader->new(spooldir => $dir);
# write results for two different plugins
$writer->write(1234567890, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 3',
]);
$writer->write(1234567910, 'blort', [
'graph_title Memory usage',
'slab.label slab',
'slab.value 123',
]);
ok(my $fetched = $reader->fetch(1234567800), 'Several services to fetch');
my $f1 = <<EOT;
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567890:3
EOT
my $f2 = <<EOT;
multigraph blort
graph_title Memory usage
slab.label slab
slab.value 1234567910:123
EOT
like($fetched, qr(\A$f1$f2|$f2$f1\Z)m, 'Got results for both services, in either order, and nothing else');
is($reader->fetch(1234567900), <<EOS, 'Several plugins to fetch, but only one is recent enough');
multigraph blort
graph_title Memory usage
slab.label slab
slab.value 1234567910:123
EOS
}
{
my $dir = tempdir(CLEANUP => 1);
my $writer = Munin::Node::SpoolWriter->new(spooldir => $dir);
my $reader = Munin::Node::SpoolReader->new(spooldir => $dir);
# write two sets of results, with a slightly different config
$writer->write(1234567890, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 3',
]);
$writer->write(1234567990, 'fnord-foo', [
'graph_title CPU usage!', # this line has changed
'system.label system',
'system.value 4',
]);
ok(my $fetched = $reader->fetch(1234567800), 'Several sets of results to fetch');
my $f1 = <<EOT;
multigraph fnord_foo
graph_title CPU usage
system.label system
system.value 1234567890:3
EOT
my $f2 = <<EOT;
multigraph fnord_foo
graph_title CPU usage!
system.label system
system.value 1234567990:4
EOT
like($fetched, qr(\A$f1$f2|$f2$f1\Z)m, 'Got results for both services, in either order, and nothing else');
}
### _get_spooled_plugins
### list
{
my $dir = tempdir(CLEANUP => 1);
my $writer = Munin::Node::SpoolWriter->new(spooldir => $dir);
my $reader = Munin::Node::SpoolReader->new(spooldir => $dir);
is_deeply([ sort $reader->_get_spooled_plugins ], [], 'No spooled plugins to list');
is($reader->list, "\n", 'No spooled plugins to list');
# write "results" for several plugins
$writer->write(1234567890, 'fnord-foo', [
'graph_title CPU usage',
'system.label system',
'system.value 1',
]);
$writer->write(1234567890, 'floop', [
'graph_title Memory usage',
'system.label system',
'system.value 3.14',
]);
$writer->write(1234567890, 'blort', [
'graph_title Flux capacitance',
'system.label system',
'system.value -4',
]);
$writer->write(1334567890, 'blort', [
'graph_title Flux capacitance',
'system.label system',
'system.value -4',
]);
open my $cruft, '>', "$dir/cruft" or die "Unable to create cruft file: $!";
print $cruft "rubbish\n";
close $cruft;
is_deeply([ sort $reader->_get_spooled_plugins ], [ sort qw( fnord_foo floop blort ) ], 'Retrieved list of spooled plugins');
is($reader->list, "blort floop fnord_foo\n", 'Retrieved stringified list of spooled plugins');
}
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