1 package # hide from PAUSE
8 use base 'DBIx::Class::Schema';
10 use Fcntl qw/:DEFAULT :seek :flock/;
11 use Time::HiRes 'sleep';
12 use DBICTest::RunMode;
13 use DBICTest::Util qw/populate_weakregistry assert_empty_weakregistry local_umask/;
16 __PACKAGE__->mk_group_accessors(simple => 'custom_attr');
18 __PACKAGE__->load_classes(qw/
36 { 'DBICTest::Schema' => [qw/
50 'FourKeys_to_TwoKeys',
53 'ArtistUndirectedMap',
58 'Dummy', # this is a real result class we remove in the hook below
60 qw/SelfRefAlias TreeLike TwoKeyTreeLike Event EventTZ NoPrimaryKey/,
61 qw/Collection CollectionObject TypedObject Owners BooksInLibrary/,
62 qw/ForceForeign Encoded/,
65 sub sqlt_deploy_hook {
66 my ($self, $sqlt_schema) = @_;
68 $sqlt_schema->drop_table('dummy');
74 # we need the $locker to be referenced here for delayed destruction
75 if ($locker->{lock_name} and ($ENV{DBICTEST_LOCK_HOLDER}||0) == $$) {
76 #warn "$$ $0 $locktype LOCK RELEASED";
80 my $weak_registry = {};
83 my $self = shift->next::method(@_);
86 # we can't really lock based on DSN, as we do not yet have a way to tell that e.g.
87 # DBICTEST_MSSQL_DSN=dbi:Sybase:server=192.168.0.11:1433;database=dbtst
89 # DBICTEST_MSSQL_ODBC_DSN=dbi:ODBC:server=192.168.0.11;port=1433;database=dbtst;driver=FreeTDS;tds_version=8.0
91 # hence we lock everything based on sqlt_type or just globally if not available
92 # just pretend we are python you know? :)
95 # when we get a proper DSN resolution sanitize to produce a portable lockfile name
96 # this may look weird and unnecessary, but consider running tests from
97 # windows over a samba share >.>
99 #$dsn =~ s/([^A-Za-z0-9_\-\.\=])/ sprintf '~%02X', ord($1) /ge;
100 #$dsn =~ s/^dbi/dbi/i;
102 # provide locking for physical (non-memory) DSNs, so that tests can
103 # safely run in parallel. While the harness (make -jN test) does set
104 # an envvar, we can not detect when a user invokes prove -jN. Hence
105 # perform the locking at all times, it shouldn't hurt.
106 # the lock fh *should* inherit across forks/subprocesses
108 # File locking is hard. Really hard. By far the best lock implementation
109 # I've seen is part of the guts of File::Temp. However it is sadly not
110 # reusable. Since I am not aware of folks doing NFS parallel testing,
111 # nor are we known to work on VMS, I am just going to punt this and
112 # use the portable-ish flock() provided by perl itself. If this does
113 # not work for you - patches more than welcome.
115 ! $DBICTest::global_exclusive_lock
117 ( ! $ENV{DBICTEST_LOCK_HOLDER} or $ENV{DBICTEST_LOCK_HOLDER} == $$ )
121 ($_[0]||'') !~ /^ (?i:dbi) \: SQLite \: (?: dbname\= )? (?: \:memory\: | t [\/\\] var [\/\\] DBIxClass\-) /x
125 # guard against infinite recursion
126 local $ENV{DBICTEST_LOCK_HOLDER} = -1;
128 # we need to connect a forced fresh clone so that we do not upset any state
129 # of the main $schema (some tests examine it quite closely)
132 my $st = ref($self)->connect(@{$self->storage->connect_info})->storage;
133 $st->ensure_connected; # do connect here, to catch a possible throw
138 my $t = $storage->sqlt_type || 'generic';
139 eval { $storage->disconnect };
147 # Never hold more than one lock. This solves the "lock in order" issues
148 # unrelated tests may have
149 # Also if there is no connection - there is no lock to be had
150 if ($locktype and (!$locker or $locker->{type} ne $locktype)) {
152 warn "$$ $0 $locktype" if (
153 ($locktype eq 'generic' or $locktype eq 'SQLite')
155 DBICTest::RunMode->is_author
158 my $lockpath = DBICTest::RunMode->tmpdir->file(".dbictest_$locktype.lock");
162 my $u = local_umask(0); # so that the file opens as 666, and any user can lock
163 sysopen ($lock_fh, $lockpath, O_RDWR|O_CREAT) or die "Unable to open $lockpath: $!";
165 flock ($lock_fh, LOCK_EX) or die "Unable to lock $lockpath: $!";
166 #warn "$$ $0 $locktype LOCK GRABBED";
168 # see if anyone was holding a lock before us, and wait up to 5 seconds for them to terminate
169 # if we do not do this we may end up trampling over some long-running END or somesuch
170 seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
173 read ($lock_fh, $old_pid, 100)
175 ($old_pid) = $old_pid =~ /^(\d+)$/
178 kill (0, $old_pid) or last;
182 #warn "$$ $0 $locktype POST GRAB WAIT";
184 truncate $lock_fh, 0;
185 seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
186 $lock_fh->autoflush(1);
189 $ENV{DBICTEST_LOCK_HOLDER} ||= $$;
194 lock_name => "$lockpath",
199 if ($INC{'Test/Builder.pm'}) {
200 populate_weakregistry ( $weak_registry, $self->storage );
202 my $cur_connect_call = $self->storage->on_connect_call;
204 $self->storage->on_connect_call([
205 (ref $cur_connect_call eq 'ARRAY'
207 : ($cur_connect_call || ())
210 populate_weakregistry( $weak_registry, shift->_dbh )
219 my $self = shift->next::method(@_);
220 populate_weakregistry ( $weak_registry, $self )
221 if $INC{'Test/Builder.pm'};
226 assert_empty_weakregistry($weak_registry, 'quiet');