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|
#!/usr/bin/perl
BEGIN {
die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
};
use strict;
use warnings FATAL => 'all';
use English qw(-no_match_vars);
use Test::More;
plan skip_all => 'FIXME ReplicaLagWaiter.t';
#plan tests => 7;
use ReplicaLagWaiter;
use OptionParser;
use DSNParser;
use Cxn;
use PerconaTest;
my $oktorun = 1;
my @waited = ();
my @lag = ();
my @sleep = ();
my @worst = ();
sub oktorun {
return $oktorun;
}
sub get_lag {
my ($cxn) = @_;
push @waited, $cxn->dbh();
my $lag = shift @lag || 0;
return $lag;
}
sub sleep {
push @worst, [@_];
my $t = shift @sleep || 0;
sleep $t;
}
my $dp = new DSNParser(opts=>$dsn_opts);
my $o = new OptionParser(
description => 'Cxn',
file => "$trunk/bin/pt-table-checksum",
);
$o->get_specs("$trunk/bin/pt-table-checksum");
$o->get_opts();
# In 2.1, these tests did not set innodb_lock_wait_timeout because
# it was not a --set-vars default but rather its own option handled
# by/in the tool. In 2.2, the var is a --set-vars default, which
# means it will cause a warning on 5.0 and 5.1, so we remoe the var
# to remove the warning.
my $set_vars = $o->set_vars();
delete $set_vars->{innodb_lock_wait_timeout};
delete $set_vars->{lock_wait_timeout};
$dp->prop('set-vars', $set_vars);
my $r1 = new Cxn(dsn=>{n=>'slave1'}, dbh=>1, DSNParser=>$dp, OptionParser=>$o);
my $r2 = new Cxn(dsn=>{n=>'slave2'}, dbh=>2, DSNParser=>$dp, OptionParser=>$o);
my $rll = new ReplicaLagWaiter(
oktorun => \&oktorun,
get_lag => \&get_lag,
sleep => \&sleep,
max_lag => 1,
slaves => [$r1, $r2],
);
@lag = (0, 0);
my $t = time;
$rll->wait();
ok(
time - $t < 0.5,
"wait() returns immediately if all slaves are ready"
);
is_deeply(
\@waited,
[1,2],
"Waited for all slaves"
);
is_deeply(
\@worst,
[],
"Did not call sleep callback"
);
@waited = ();
@lag = (3, 5, 0, 0);
@sleep = (1, 1, 1, 1);
@worst = ();
$t = time;
$rll->wait(),
ok(
time - $t >= 0.9,
"wait() waited a second"
);
is_deeply(
\@waited,
[1, 2, 2, 1],
"wait() waited for first slave"
);
# This tests that the code sorts the lag correctly. r2 is lagging
# the worst (5 > 3) so it should be passed to the sleep callback.
is_deeply(
\@worst,
[
[ $r2, 5 ],
],
"Called sleep callback with worst lagger"
);
# #############################################################################
# Done.
# #############################################################################
my $output = '';
{
local *STDERR;
open STDERR, '>', \$output;
$rll->_d('Complete test coverage');
}
like(
$output,
qr/Complete test coverage/,
'_d() works'
);
exit;
|
