#!/usr/bin/perl
# Test that two processes can write at once, assuming we commit timely.
use strict;
BEGIN {
$| = 1;
$^W = 1;
}
use t::lib::Test;
use Test::More tests => 12;
use Test::NoWarnings;
my $dbh = connect_ok(
RaiseError => 1,
PrintError => 0,
AutoCommit => 0,
);
my $dbh2 = connect_ok(
RaiseError => 1,
PrintError => 0,
AutoCommit => 0,
);
ok($dbh2->func(3000, 'busy_timeout'));
ok($dbh->do("CREATE TABLE Blah ( id INTEGER, val VARCHAR )"));
ok($dbh->commit);
ok($dbh->do("INSERT INTO Blah VALUES ( 1, 'Test1' )"));
my $start = time;
eval {
$dbh2->do("INSERT INTO Blah VALUES ( 2, 'Test2' )");
};
ok($@);
if ($@) {
print "# insert failed : $@";
$dbh2->rollback;
}
$dbh->commit;
ok($dbh2->do("INSERT INTO Blah VALUES ( 2, 'Test2' )"));
$dbh2->commit;
$dbh2->disconnect;
undef($dbh2);
pipe(READER, WRITER);
my $pid = fork;
if (!defined($pid)) {
# fork failed
skip("No fork here", 1);
skip("No fork here", 1);
} elsif (!$pid) {
# child
my $dbh2 = DBI->connect('dbi:SQLite:foo', '', '',
{
RaiseError => 1,
PrintError => 0,
AutoCommit => 0,
});
$dbh2->do("INSERT INTO Blah VALUES ( 3, 'Test3' )");
select WRITER; $| = 1; select STDOUT;
print WRITER "Ready\n";
sleep(5);
$dbh2->commit;
} else {
# parent
close WRITER;
my $line = <READER>;
chomp($line);
ok($line, "Ready");
ok($dbh->func(10000, 'busy_timeout'));
ok($dbh->do("INSERT INTO Blah VALUES (4, 'Test4' )"));
$dbh->commit;
wait;
}