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#!/usr/bin/perl
BEGIN {
unless ($ENV{PERL_ANYEVENT_DBI_TESTS}) {
print "1..0 # SKIP env var PERL_ANYEVENT_DBI_TESTS not set\n"; exit;
}
eval {
require DBIx::MyServer;
require DBIx::MyServer::DBI;
};
if ($@) {
print "1..0 # SKIP these tests require DBIx::MyServer\n"; exit;
}
}
no warnings;
use List::Util qw(sum);
use Cwd qw(abs_path);
use File::Basename qw(dirname);
use AnyEvent::DBI;
my $topdir = dirname abs_path $0;
# fork off a child to be a mysql server
my $server_pid = fork;
unless ($server_pid) {
exec "$^X $topdir/fake-mysql --config $topdir/myserver.conf";
die 'exec failed';
}
# the parent is the test script
eval {
require Test::More;
import Test::More tests => 33;
};
if ($@) {
print 'ok 1 # skip this test requires Test::More'."\n";
exit 0;
}
# wait for server
sleep 1;
my $cv = AnyEvent->condvar;
my $dbh = new AnyEvent::DBI(
"dbi:mysql:database=database;host=127.0.0.1;port=23306",'','',
PrintError => 0,
timeout => 2,
on_error => sub { },
on_connect => sub {
if (!$_[1]) {
$cv->send($@);
} else {
$cv->send();
}
},
);
my $connect_error = $cv->recv();
is($connect_error,undef,'on_connect() called without error, fake mysql server is connected');
# issue a query
$cv = AnyEvent->condvar;
$dbh->exec (
"select a,b,c from rows14 where num=?", 10, sub {
my ($dbh,$rows, $metadata) = @_;
if (! $dbh) {
$cv->send($@);
}
else {
$cv->send(undef,$rows);
}
}
);
my ($error, $rows) = $cv->recv();
#print "@$_\n" for @$rows;
is($error,undef,'query returns no errors');
is(scalar @$rows,14,'query found 14 rows');
is(scalar @{$$rows[0]},3,'first row has 3 data');
# issue a query that returns an error
$cv = AnyEvent->condvar;
$dbh->exec (
"select a,b,c from nosuchtable", sub {
my ($dbh, $rows, $metadata) = @_;
if (!$rows) {
$cv->send($@);
} else {
$cv->send(undef,$rows);
}
}
);
($error, $rows) = $cv->recv();
is($error,qq{Table 'database.nosuchtable' doesn't exist},"SELECT on non-existant table returns NONFATAL error");
# good query after bad
$cv = AnyEvent->condvar;
$dbh->exec (
"select a,b,c from rows14 where num=?", 10, sub {
my ($dbh,$rows, $metadata) = @_;
if (!$rows) {
$cv->send($@);
} else {
$cv->send(undef,$rows);
}
}
);
($error, $rows) = $cv->recv();
#print "@$_\n" for @$rows;
is($error,undef,'good query after bad returns no errors');
is(scalar @$rows,14,'query found 14 rows');
is(scalar @{$$rows[0]},3,'first row has 3 data');
############################################################################
# enque a series of alternating good/bad queries
$cv = AnyEvent->condvar;
my @results = ();
my $num_qry = 0;
my $qrydone = sub {
my ($dbh,$rows,$metadata) = @_;
my $err = undef;
if (!$rows) {
$err = $@;
}
push @results , [$err,$rows];
if (scalar @results == $num_qry) {
$cv->send();
}
};
$dbh->exec ("select a,b,c from nosuchtable1", $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from rows1" , $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from nosuchtable2", $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from rows2" , $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from nosuchtable3", $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from rows3" , $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from nosuchtable4", $qrydone); $num_qry++;
$dbh->exec ("select a,b,c from rows4" , $qrydone); $num_qry++;
$cv->recv();
for my $r (0..$num_qry-1) {
my $offset = int($r / 2 )+1;
if ($r % 2) {
ok(! defined $results[$r]->[0],'Multi Query Queue: No error on good queries');
is(scalar @{$results[$r]->[1]},$offset,'Multi Query Queue: Good query got right number of rows');
} else {
is(
$results[$r]->[0],
qq{Table 'database.nosuchtable$offset' doesn't exist},'Multi Query Queue: Bad query gets correct error'
);
}
}
############################################################################
# try to connect to a closed port
# NOTE tcp port 9 is 'discard', hopefully not running
$cv = AnyEvent->condvar;
my $dbh2 = new AnyEvent::DBI(
"dbi:mysql:database=test;host=127.0.0.1;port=9",'','',
PrintError => 0,
timeout => 3,
on_error => sub { },
on_connect => sub {
if (!$_[1]) {
$cv->send($@);
}
else {
$cv->send();
}
},
);
$connect_error = $cv->recv();
like($connect_error,qr{can't connect}i,'mysql connect to localhost:9 refused');
# try to connect to a firewalled port
$cv = AnyEvent->condvar;
$dbh2 = new AnyEvent::DBI(
"dbi:mysql:database=test;host=www.google.com;port=23306",'','',
timeout => 3,
on_error => sub { },
on_connect => sub {
if (!$_[1]) {
$cv->send($@);
}
else {
$cv->send();
}
},
);
$connect_error = $cv->recv();
is($connect_error,'timeout','mysql connect to google port 23306 times out');
undef $dbh2;
# issue a query which times out
$cv = AnyEvent->condvar;
$dbh->exec (
"select a,b,c from delay10 where num=?", 10, sub {
my ($dbh,$rows, $metadata) = @_;
if (! $rows) {
$cv->send($@);
}
else {
$cv->send(undef,$rows);
}
}
);
($error,$rows) = $cv->recv();
is($error,'timeout','timeout fires during long-running query');
# issue a query after a fatal timeout error
$cv = AnyEvent->condvar;
my $start = AnyEvent->now;
my $run = 10;
my $ran = 0;
my $fin = 0;
my $errs = [];
while ($ran++ < $run) {
$dbh->exec (
"select d,e,f,g from rows5 where num=?", 10, sub {
my ($dbh,$rows, $metadata) = @_;
if (!$rows) {
push @$errs, $@;
}
if (++$fin == $run) {
$cv->send();
}
}
);
}
$cv->recv();
ok(AnyEvent->now -$start < 0.0001,'invalid db handle returns from multiple queries immediately');
is (scalar @$errs, 10, 'invalid db handle returned error for all enqueued queries');
is($errs->[0],'no database connection','invalid db handle returns correct error');
undef $dbh;
# check for server process leakage
eval {
require Proc::Exists;
import Proc::Exists qw(pexists);
};
my $has_pe = ! $@;
SKIP: {
skip ( 'This test requires Proc::Exists',4) unless $has_pe;
# connect three handles
$cv = AnyEvent->condvar;
my @handles;
my @handle_errors;
my $connected =0;
for (0..2) {
my $dbh3 = new AnyEvent::DBI(
"dbi:mysql:database=database;host=127.0.0.1;port=23306",'','',
PrintError => 0,
timeout => 2,
on_error => sub { },
on_connect => sub {
if (!$_[1]) {
push @handle_errors, $@;
}
if (++$connected == 3) {
$cv->send();
}
},
);
push @handles, $dbh3;
}
$cv->recv();
is(scalar @handles,3,'created three handles');
is(scalar @handle_errors,0,'no errors during handle creation');
my @pids = map {$_->_server_pid} @handles;
ok( defined pexists(@pids, {all=>1}),'Found three slave processes');
undef @handles;
$cv = AnyEvent->condvar;
my $cleanup = AnyEvent->timer(after=>0.5,cb=>sub {$cv->send()});
$cv->recv();
ok(!defined pexists(@pids, {any=>1}),'All slave processes exited');
}
# connect to the server again
$cv = AnyEvent->condvar;
$dbh = new AnyEvent::DBI(
"dbi:mysql:database=database;host=127.0.0.1;port=23306",'','',
PrintError => 0,
timeout => 2,
on_error => sub { },
on_connect => sub {
if (!$_[1]) {
$cv->send($@);
} else {
$cv->send();
}
},
);
$connect_error = $cv->recv();
is($connect_error,undef,'on_connect() called without error, fake mysql server is re-connected');
# End the server and reap it
$cv = AnyEvent->condvar;
my $server_process_watcher = AnyEvent->child(
pid => $server_pid,
cb => sub {
$cv->send(@_);
}
);
kill 2, $server_pid; # 2 is SIGINT, usually
my ($dead_pid,$dead_status)=$cv->recv();
is ($dead_pid,$server_pid,'MySQL Server processess exited');
is ($dead_status,2,'Server exited on our signal');
if (0) {
# does not seem tor eliably kill all children
sleep 2;
# try to make another query with a down MYSQL server
# issue a query
$cv = AnyEvent->condvar;
$dbh->exec (
"select x from rows1 where num=?", 10, sub {
my ($dbh, $rows, $metadata) = @_;
if (!$rows) {
$cv->send($@);
} else {
$cv->send(undef,$rows);
}
}
);
($error, $rows) = $cv->recv();
is($error,'timeout','mysql query to dead server times out');
undef $dbh;
}
END {
if ($server_pid) {
# shut down the fake_mysql server
delete $SIG{CLD};
kill 15, $server_pid;
waitpid $server_pid,0;
}
exit 0;
}
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