[dbsrgits/DBIx-Class.git] / t / lib / DBICTest / BaseSchema.pm

package #hide from pause
  DBICTest::BaseSchema;

use strict;
use warnings;
use base qw(DBICTest::Base DBIx::Class::Schema);

use Fcntl qw(:DEFAULT :seek :flock);
use IO::Handle ();
use DBIx::Class::_Util 'scope_guard';
use DBICTest::Util::LeakTracer qw(populate_weakregistry assert_empty_weakregistry);
use DBICTest::Util qw( local_umask tmpdir await_flock dbg DEBUG_TEST_CONCURRENCY_LOCKS );
use namespace::clean;

if( $ENV{DBICTEST_ASSERT_NO_SPURIOUS_EXCEPTION_ACTION} ) {
  my $ea = __PACKAGE__->exception_action( sub {

    # Can not rely on $^S here at all - the exception_action
    # itself is always called in an eval so that the goto-guard
    # can work (see 7cb35852)

    my ( $fr_num, $disarmed, $throw_exception_fr_num, $eval_fr_num );
    while( ! $disarmed and my @fr = caller(++$fr_num) ) {

      $throw_exception_fr_num ||= (
        $fr[3] =~ /^DBIx::Class::(?:ResultSource|Schema|Storage|Exception)::throw(?:_exception)?$/
          and
        # there may be evals in the throwers themselves - skip those
        ( $eval_fr_num ) = ( undef )
          and
        $fr_num
      );

      # now that the above stops un-setting us, we can find the first
      # ineresting eval
      $eval_fr_num ||= (
        $fr[3] eq '(eval)'
          and
        $fr_num
      );

      $disarmed = !! (
        $fr[1] =~ / \A (?: \. [\/\\] )? x?t [\/\\] .+ \.t \z /x
          and
        (
          $fr[3] =~ /\A (?:
            Test::Exception::throws_ok
              |
            Test::Exception::dies_ok
              |
            Try::Tiny::try
              |
            \Q(eval)\E
          ) \z /x
            or
          (
            $fr[3] eq 'Test::Exception::lives_ok'
              and
            ( $::TODO or Test::Builder->new->in_todo )
          )
        )
      );
    }

    Test::Builder->new->ok(0, join "\n",
      'Unexpected &exception_action invocation',
      '',
      '  You almost certainly used eval/try instead of dbic_internal_try()',
      "  Adjust *one* of the eval-ish constructs in the callstack starting" . DBICTest::Util::stacktrace($throw_exception_fr_num||())
    ) if (
      ! $disarmed
        and
      (
        $eval_fr_num
          or
        ! $throw_exception_fr_num
      )
    );

    DBIx::Class::Exception->throw( $_[0] );
  });

  my $interesting_ns_rx = qr/^ (?: main$ | DBIx::Class:: | DBICTest:: ) /x;

  # hard-set $SIG{__DIE__} to the class-wide exception_action
  # with a little escape preceeding it
  $SIG{__DIE__} = sub {

    # without this there would be false positives everywhere :(
    die @_ if (
      # blindly rethrow if nobody is waiting for us
      ( defined $^S and ! $^S )
        or
      (caller(0))[0] !~ $interesting_ns_rx
        or
      (
        caller(0) eq 'main'
          and
        (caller(1))[0] !~ $interesting_ns_rx
      )
    );

    &$ea;
  };
}

sub capture_executed_sql_bind {
  my ($self, $cref) = @_;

  $self->throw_exception("Expecting a coderef to run") unless ref $cref eq 'CODE';

  require DBICTest::SQLTracerObj;

  # hack around stupid, stupid API
  no warnings 'redefine';
  local *DBIx::Class::Storage::DBI::_format_for_trace = sub { $_[1] };
  Class::C3->reinitialize if DBIx::Class::_ENV_::OLD_MRO;

  # can not use local() due to an unknown number of storages
  # (think replicated)
  my $orig_states = { map
    { $_ => $self->storage->$_ }
    qw(debugcb debugobj debug)
  };

  my $sg = scope_guard {
    $self->storage->$_ ( $orig_states->{$_} ) for keys %$orig_states;
  };

  $self->storage->debugcb(undef);
  $self->storage->debugobj( my $tracer_obj = DBICTest::SQLTracerObj->new );
  $self->storage->debug(1);

  local $Test::Builder::Level = $Test::Builder::Level + 2;
  $cref->();

  return $tracer_obj->{sqlbinds} || [];
}

sub is_executed_querycount {
  my ($self, $cref, $exp_counts, $msg) = @_;

  local $Test::Builder::Level = $Test::Builder::Level + 1;

  $self->throw_exception("Expecting an hashref of counts or an integer representing total query count")
    unless ref $exp_counts eq 'HASH' or (defined $exp_counts and ! ref $exp_counts);

  my @got = map { $_->[0] } @{ $self->capture_executed_sql_bind($cref) };

  return Test::More::is( @got, $exp_counts, $msg )
    unless ref $exp_counts;

  my $got_counts = { map { $_ => 0 } keys %$exp_counts };
  $got_counts->{$_}++ for @got;

  return Test::More::is_deeply(
    $got_counts,
    $exp_counts,
    $msg,
  );
}

sub is_executed_sql_bind {
  my ($self, $cref, $sqlbinds, $msg) = @_;

  local $Test::Builder::Level = $Test::Builder::Level + 1;

  $self->throw_exception("Expecting an arrayref of SQL/Bind pairs") unless ref $sqlbinds eq 'ARRAY';

  my @expected = @$sqlbinds;

  my @got = map { $_->[1] } @{ $self->capture_executed_sql_bind($cref) };


  return Test::Builder->new->ok(1, $msg || "No queries executed while running $cref")
    if !@got and !@expected;

  require SQL::Abstract::Test;
  my $ret = 1;
  while (@expected or @got) {
    my $left = shift @got;
    my $right = shift @expected;

    # allow the right side to "simplify" the entire shebang
    if ($left and $right) {
      $left = [ @$left ];
      for my $i (1..$#$right) {
        if (
          ! ref $right->[$i]
            and
          ref $left->[$i] eq 'ARRAY'
            and
          @{$left->[$i]} == 2
        ) {
          $left->[$i] = $left->[$i][1]
        }
      }
    }

    $ret &= SQL::Abstract::Test::is_same_sql_bind(
      \( $left || [] ),
      \( $right || [] ),
      $msg,
    );
  }

  return $ret;
}

our $locker;
END {
  # we need the $locker to be referenced here for delayed destruction
  if ($locker->{lock_name} and ($ENV{DBICTEST_LOCK_HOLDER}||0) == $$) {
    DEBUG_TEST_CONCURRENCY_LOCKS
      and dbg "$locker->{type} LOCK RELEASED (END): $locker->{lock_name}";
  }
}

my $weak_registry = {};

sub connection {
  my $self = shift->next::method(@_);

# MASSIVE FIXME
# we can't really lock based on DSN, as we do not yet have a way to tell that e.g.
# DBICTEST_MSSQL_DSN=dbi:Sybase:server=192.168.0.11:1433;database=dbtst
#  and
# DBICTEST_MSSQL_ODBC_DSN=dbi:ODBC:server=192.168.0.11;port=1433;database=dbtst;driver=FreeTDS;tds_version=8.0
# are the same server
# hence we lock everything based on sqlt_type or just globally if not available
# just pretend we are python you know? :)


  # when we get a proper DSN resolution sanitize to produce a portable lockfile name
  # this may look weird and unnecessary, but consider running tests from
  # windows over a samba share >.>
  #utf8::encode($dsn);
  #$dsn =~ s/([^A-Za-z0-9_\-\.\=])/ sprintf '~%02X', ord($1) /ge;
  #$dsn =~ s/^dbi/dbi/i;

  # provide locking for physical (non-memory) DSNs, so that tests can
  # safely run in parallel. While the harness (make -jN test) does set
  # an envvar, we can not detect when a user invokes prove -jN. Hence
  # perform the locking at all times, it shouldn't hurt.
  # the lock fh *should* inherit across forks/subprocesses
  if (
    ! $DBICTest::global_exclusive_lock
      and
    ( ! $ENV{DBICTEST_LOCK_HOLDER} or $ENV{DBICTEST_LOCK_HOLDER} == $$ )
      and
    ref($_[0]) ne 'CODE'
      and
    ($_[0]||'') !~ /^ (?i:dbi) \: SQLite (?: \: | \W ) .*? (?: dbname\= )? (?: \:memory\: | t [\/\\] var [\/\\] DBIxClass\-) /x
  ) {

    my $locktype;

    {
      # guard against infinite recursion
      local $ENV{DBICTEST_LOCK_HOLDER} = -1;

      # we need to work with a forced fresh clone so that we do not upset any state
      # of the main $schema (some tests examine it quite closely)
      local $SIG{__WARN__} = sub {};
      local $SIG{__DIE__};
      local $@;

      # this will either give us an undef $locktype or will determine things
      # properly with a default ( possibly connecting in the process )
      eval {
        my $cur_storage = $self->storage;

        $cur_storage = $cur_storage->master
          if $cur_storage->isa('DBIx::Class::Storage::DBI::Replicated');

        my $s = ref($self)->connect(@{$cur_storage->connect_info})->storage;

        $locktype = $s->sqlt_type || 'generic';

        # in case sqlt_type did connect, doesn't matter if it fails or something
        $s->disconnect;
      };
    }

    # Never hold more than one lock. This solves the "lock in order" issues
    # unrelated tests may have
    # Also if there is no connection - there is no lock to be had
    if ($locktype and (!$locker or $locker->{type} ne $locktype)) {

      # this will release whatever lock we may currently be holding
      # which is fine since the type does not match as checked above
      DEBUG_TEST_CONCURRENCY_LOCKS
        and $locker
        and dbg "$locker->{type} LOCK RELEASED (UNDEF): $locker->{lock_name}";

      undef $locker;

      my $lockpath = tmpdir . "_dbictest_$locktype.lock";

      DEBUG_TEST_CONCURRENCY_LOCKS
        and dbg "Waiting for $locktype LOCK: $lockpath...";

      my $lock_fh;
      {
        my $u = local_umask(0); # so that the file opens as 666, and any user can lock
        sysopen ($lock_fh, $lockpath, O_RDWR|O_CREAT) or die "Unable to open $lockpath: $!";
      }

      await_flock ($lock_fh, LOCK_EX) or die "Unable to lock $lockpath: $!";

      DEBUG_TEST_CONCURRENCY_LOCKS
        and dbg "Got $locktype LOCK: $lockpath";

      # see if anyone was holding a lock before us, and wait up to 5 seconds for them to terminate
      # if we do not do this we may end up trampling over some long-running END or somesuch
      seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
      my $old_pid;
      if (
        read ($lock_fh, $old_pid, 100)
          and
        ($old_pid) = $old_pid =~ /^(\d+)$/
      ) {
        DEBUG_TEST_CONCURRENCY_LOCKS
          and dbg "Post-grab WAIT for $old_pid START: $lockpath";

        for (1..50) {
          kill (0, $old_pid) or last;
          select( undef, undef, undef, 0.1 );
        }

        DEBUG_TEST_CONCURRENCY_LOCKS
          and dbg "Post-grab WAIT for $old_pid FINISHED: $lockpath";
      }

      truncate $lock_fh, 0;
      seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
      $lock_fh->autoflush(1);
      print $lock_fh $$;

      $ENV{DBICTEST_LOCK_HOLDER} ||= $$;

      $locker = {
        type => $locktype,
        fh => $lock_fh,
        lock_name => "$lockpath",
      };
    }
  }

  if ($INC{'Test/Builder.pm'}) {
    populate_weakregistry ( $weak_registry, $self->storage );

    my $cur_connect_call = $self->storage->on_connect_call;

    $self->storage->on_connect_call([
      (ref $cur_connect_call eq 'ARRAY'
        ? @$cur_connect_call
        : ($cur_connect_call || ())
      ),
      [sub {
        populate_weakregistry( $weak_registry, shift->_dbh )
      }],
    ]);
  }

  return $self;
}

sub clone {
  my $self = shift->next::method(@_);
  populate_weakregistry ( $weak_registry, $self )
    if $INC{'Test/Builder.pm'};
  $self;
}

END {
  # Make sure we run after any cleanup in other END blocks
  push @{ B::end_av()->object_2svref }, sub {
    assert_empty_weakregistry($weak_registry, 'quiet');
  };
}

1;
Commit	Line	Data
27a701f9	1	package #hide from pause
	2	DBICTest::BaseSchema;
	3
	4	use strict;
	5	use warnings;
bedbc811	6	use base qw(DBICTest::Base DBIx::Class::Schema);
27a701f9	7
e952df76	8	use Fcntl qw(:DEFAULT :seek :flock);
e48635f7	9	use IO::Handle ();
bbf6a9a5	10	use DBIx::Class::_Util 'scope_guard';
e952df76	11	use DBICTest::Util::LeakTracer qw(populate_weakregistry assert_empty_weakregistry);
439a7283	12	use DBICTest::Util qw( local_umask tmpdir await_flock dbg DEBUG_TEST_CONCURRENCY_LOCKS );
e952df76	13	use namespace::clean;
e952df76	14
ddcc02d1	15	if( $ENV{DBICTEST_ASSERT_NO_SPURIOUS_EXCEPTION_ACTION} ) {
5c33c8be	16	my $ea = __PACKAGE__->exception_action( sub {
ddcc02d1	17
44c1a75d	18	# Can not rely on $^S here at all - the exception_action
	19	# itself is always called in an eval so that the goto-guard
	20	# can work (see 7cb35852)
	21
	22	my ( $fr_num, $disarmed, $throw_exception_fr_num, $eval_fr_num );
ddcc02d1	23	while( ! $disarmed and my @fr = caller(++$fr_num) ) {
	24
	25	$throw_exception_fr_num \|\|= (
44c1a75d	26	$fr[3] =~ /^DBIx::Class::(?:ResultSource\|Schema\|Storage\|Exception)::throw(?:_exception)?$/
	27	and
	28	# there may be evals in the throwers themselves - skip those
	29	( $eval_fr_num ) = ( undef )
	30	and
	31	$fr_num
	32	);
	33
	34	# now that the above stops un-setting us, we can find the first
	35	# ineresting eval
	36	$eval_fr_num \|\|= (
	37	$fr[3] eq '(eval)'
ddcc02d1	38	and
	39	$fr_num
	40	);
	41
	42	$disarmed = !! (
	43	$fr[1] =~ / \A (?: \. [\/\\] )? x?t [\/\\] .+ \.t \z /x
	44	and
	45	(
	46	$fr[3] =~ /\A (?:
	47	Test::Exception::throws_ok
	48	\|
	49	Test::Exception::dies_ok
	50	\|
	51	Try::Tiny::try
	52	\|
	53	\Q(eval)\E
	54	) \z /x
	55	or
	56	(
	57	$fr[3] eq 'Test::Exception::lives_ok'
	58	and
	59	( $::TODO or Test::Builder->new->in_todo )
	60	)
	61	)
	62	);
	63	}
	64
	65	Test::Builder->new->ok(0, join "\n",
	66	'Unexpected &exception_action invocation',
	67	'',
	68	' You almost certainly used eval/try instead of dbic_internal_try()',
	69	" Adjust one of the eval-ish constructs in the callstack starting" . DBICTest::Util::stacktrace($throw_exception_fr_num\|\|())
44c1a75d	70	) if (
	71	! $disarmed
	72	and
	73	(
	74	$eval_fr_num
	75	or
	76	! $throw_exception_fr_num
	77	)
	78	);
ddcc02d1	79
ddcc02d1	80	DBIx::Class::Exception->throw( $_[0] );
5c33c8be	81	});
	82
	83	my $interesting_ns_rx = qr/^ (?: main$ \| DBIx::Class:: \| DBICTest:: ) /x;
	84
	85	# hard-set $SIG{__DIE__} to the class-wide exception_action
	86	# with a little escape preceeding it
	87	$SIG{__DIE__} = sub {
	88
	89	# without this there would be false positives everywhere :(
	90	die @_ if (
44c1a75d	91	# blindly rethrow if nobody is waiting for us
	92	( defined $^S and ! $^S )
	93	or
5c33c8be	94	(caller(0))[0] !~ $interesting_ns_rx
	95	or
	96	(
	97	caller(0) eq 'main'
	98	and
	99	(caller(1))[0] !~ $interesting_ns_rx
	100	)
	101	);
	102
	103	&$ea;
	104	};
ddcc02d1	105	}
ddcc02d1	106
2cfc22dd	107	sub capture_executed_sql_bind {
	108	my ($self, $cref) = @_;
	109
	110	$self->throw_exception("Expecting a coderef to run") unless ref $cref eq 'CODE';
	111
4faaf174	112	require DBICTest::SQLTracerObj;
4faaf174	113
2cfc22dd	114	# hack around stupid, stupid API
	115	no warnings 'redefine';
	116	local *DBIx::Class::Storage::DBI::_format_for_trace = sub { $_[1] };
	117	Class::C3->reinitialize if DBIx::Class::_ENV_::OLD_MRO;
	118
b74b15b0	119	# can not use local() due to an unknown number of storages
	120	# (think replicated)
	121	my $orig_states = { map
	122	{ $_ => $self->storage->$_ }
	123	qw(debugcb debugobj debug)
	124	};
4faaf174	125
bbf6a9a5	126	my $sg = scope_guard {
b74b15b0	127	$self->storage->$_ ( $orig_states->{$_} ) for keys %$orig_states;
bbf6a9a5	128	};
b74b15b0	129
	130	$self->storage->debugcb(undef);
	131	$self->storage->debugobj( my $tracer_obj = DBICTest::SQLTracerObj->new );
	132	$self->storage->debug(1);
2cfc22dd	133
49eeb48d	134	local $Test::Builder::Level = $Test::Builder::Level + 2;
2cfc22dd	135	$cref->();
	136
	137	return $tracer_obj->{sqlbinds} \|\| [];
	138	}
	139
49eeb48d	140	sub is_executed_querycount {
	141	my ($self, $cref, $exp_counts, $msg) = @_;
	142
	143	local $Test::Builder::Level = $Test::Builder::Level + 1;
	144
	145	$self->throw_exception("Expecting an hashref of counts or an integer representing total query count")
	146	unless ref $exp_counts eq 'HASH' or (defined $exp_counts and ! ref $exp_counts);
	147
	148	my @got = map { $_->[0] } @{ $self->capture_executed_sql_bind($cref) };
	149
	150	return Test::More::is( @got, $exp_counts, $msg )
	151	unless ref $exp_counts;
	152
	153	my $got_counts = { map { $_ => 0 } keys %$exp_counts };
	154	$got_counts->{$_}++ for @got;
	155
	156	return Test::More::is_deeply(
	157	$got_counts,
	158	$exp_counts,
	159	$msg,
	160	);
	161	}
	162
2cfc22dd	163	sub is_executed_sql_bind {
	164	my ($self, $cref, $sqlbinds, $msg) = @_;
	165
	166	local $Test::Builder::Level = $Test::Builder::Level + 1;
	167
	168	$self->throw_exception("Expecting an arrayref of SQL/Bind pairs") unless ref $sqlbinds eq 'ARRAY';
	169
	170	my @expected = @$sqlbinds;
	171
	172	my @got = map { $_->[1] } @{ $self->capture_executed_sql_bind($cref) };
	173
	174
	175	return Test::Builder->new->ok(1, $msg \|\| "No queries executed while running $cref")
	176	if !@got and !@expected;
	177
	178	require SQL::Abstract::Test;
	179	my $ret = 1;
	180	while (@expected or @got) {
	181	my $left = shift @got;
	182	my $right = shift @expected;
	183
	184	# allow the right side to "simplify" the entire shebang
	185	if ($left and $right) {
	186	$left = [ @$left ];
	187	for my $i (1..$#$right) {
	188	if (
	189	! ref $right->[$i]
	190	and
	191	ref $left->[$i] eq 'ARRAY'
	192	and
	193	@{$left->[$i]} == 2
	194	) {
	195	$left->[$i] = $left->[$i][1]
	196	}
	197	}
	198	}
	199
	200	$ret &= SQL::Abstract::Test::is_same_sql_bind(
	201	\( $left \|\| [] ),
	202	\( $right \|\| [] ),
	203	$msg,
	204	);
	205	}
	206
	207	return $ret;
	208	}
	209
e952df76	210	our $locker;
	211	END {
	212	# we need the $locker to be referenced here for delayed destruction
	213	if ($locker->{lock_name} and ($ENV{DBICTEST_LOCK_HOLDER}\|\|0) == $$) {
69016f65	214	DEBUG_TEST_CONCURRENCY_LOCKS
69016f65	215	and dbg "$locker->{type} LOCK RELEASED (END): $locker->{lock_name}";
e952df76	216	}
	217	}
	218
	219	my $weak_registry = {};
	220
	221	sub connection {
	222	my $self = shift->next::method(@_);
	223
	224	# MASSIVE FIXME
	225	# we can't really lock based on DSN, as we do not yet have a way to tell that e.g.
	226	# DBICTEST_MSSQL_DSN=dbi:Sybase:server=192.168.0.11:1433;database=dbtst
	227	# and
	228	# DBICTEST_MSSQL_ODBC_DSN=dbi:ODBC:server=192.168.0.11;port=1433;database=dbtst;driver=FreeTDS;tds_version=8.0
	229	# are the same server
	230	# hence we lock everything based on sqlt_type or just globally if not available
	231	# just pretend we are python you know? :)
	232
	233
	234	# when we get a proper DSN resolution sanitize to produce a portable lockfile name
	235	# this may look weird and unnecessary, but consider running tests from
	236	# windows over a samba share >.>
	237	#utf8::encode($dsn);
	238	#$dsn =~ s/([^A-Za-z0-9_\-\.\=])/ sprintf '~%02X', ord($1) /ge;
	239	#$dsn =~ s/^dbi/dbi/i;
	240
	241	# provide locking for physical (non-memory) DSNs, so that tests can
	242	# safely run in parallel. While the harness (make -jN test) does set
	243	# an envvar, we can not detect when a user invokes prove -jN. Hence
	244	# perform the locking at all times, it shouldn't hurt.
	245	# the lock fh should inherit across forks/subprocesses
e952df76	246	if (
	247	! $DBICTest::global_exclusive_lock
	248	and
	249	( ! $ENV{DBICTEST_LOCK_HOLDER} or $ENV{DBICTEST_LOCK_HOLDER} == $$ )
	250	and
	251	ref($_[0]) ne 'CODE'
	252	and
e4328872	253	($_[0]\|\|'') !~ /^ (?i:dbi) \: SQLite (?: \: \| \W ) .*? (?: dbname\= )? (?: \:memory\: \| t [\/\\] var [\/\\] DBIxClass\-) /x
e952df76	254	) {
e952df76	255
0f6d86e4	256	my $locktype;
	257
	258	{
e952df76	259	# guard against infinite recursion
	260	local $ENV{DBICTEST_LOCK_HOLDER} = -1;
	261
0f6d86e4	262	# we need to work with a forced fresh clone so that we do not upset any state
e952df76	263	# of the main $schema (some tests examine it quite closely)
e952df76	264	local $SIG{__WARN__} = sub {};
5c33c8be	265	local $SIG{__DIE__};
e952df76	266	local $@;
0f6d86e4	267
	268	# this will either give us an undef $locktype or will determine things
	269	# properly with a default ( possibly connecting in the process )
	270	eval {
bf726d9c	271	my $cur_storage = $self->storage;
	272
	273	$cur_storage = $cur_storage->master
	274	if $cur_storage->isa('DBIx::Class::Storage::DBI::Replicated');
	275
	276	my $s = ref($self)->connect(@{$cur_storage->connect_info})->storage;
0f6d86e4	277
	278	$locktype = $s->sqlt_type \|\| 'generic';
	279
	280	# in case sqlt_type did connect, doesn't matter if it fails or something
	281	$s->disconnect;
e952df76	282	};
0f6d86e4	283	}
e952df76	284
	285	# Never hold more than one lock. This solves the "lock in order" issues
	286	# unrelated tests may have
	287	# Also if there is no connection - there is no lock to be had
	288	if ($locktype and (!$locker or $locker->{type} ne $locktype)) {
	289
	290	# this will release whatever lock we may currently be holding
	291	# which is fine since the type does not match as checked above
69016f65	292	DEBUG_TEST_CONCURRENCY_LOCKS
	293	and $locker
	294	and dbg "$locker->{type} LOCK RELEASED (UNDEF): $locker->{lock_name}";
	295
e952df76	296	undef $locker;
e952df76	297
439a7283	298	my $lockpath = tmpdir . "_dbictest_$locktype.lock";
e952df76	299
69016f65	300	DEBUG_TEST_CONCURRENCY_LOCKS
	301	and dbg "Waiting for $locktype LOCK: $lockpath...";
	302
e952df76	303	my $lock_fh;
	304	{
	305	my $u = local_umask(0); # so that the file opens as 666, and any user can lock
	306	sysopen ($lock_fh, $lockpath, O_RDWR\|O_CREAT) or die "Unable to open $lockpath: $!";
	307	}
69016f65	308
630e2ea8	309	await_flock ($lock_fh, LOCK_EX) or die "Unable to lock $lockpath: $!";
69016f65	310
	311	DEBUG_TEST_CONCURRENCY_LOCKS
	312	and dbg "Got $locktype LOCK: $lockpath";
e952df76	313
	314	# see if anyone was holding a lock before us, and wait up to 5 seconds for them to terminate
	315	# if we do not do this we may end up trampling over some long-running END or somesuch
	316	seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
	317	my $old_pid;
	318	if (
	319	read ($lock_fh, $old_pid, 100)
	320	and
	321	($old_pid) = $old_pid =~ /^(\d+)$/
	322	) {
69016f65	323	DEBUG_TEST_CONCURRENCY_LOCKS
	324	and dbg "Post-grab WAIT for $old_pid START: $lockpath";
	325
e952df76	326	for (1..50) {
e952df76	327	kill (0, $old_pid) or last;
5a8d5308	328	select( undef, undef, undef, 0.1 );
e952df76	329	}
69016f65	330
	331	DEBUG_TEST_CONCURRENCY_LOCKS
	332	and dbg "Post-grab WAIT for $old_pid FINISHED: $lockpath";
e952df76	333	}
e952df76	334
	335	truncate $lock_fh, 0;
	336	seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
	337	$lock_fh->autoflush(1);
	338	print $lock_fh $$;
	339
	340	$ENV{DBICTEST_LOCK_HOLDER} \|\|= $$;
	341
	342	$locker = {
	343	type => $locktype,
	344	fh => $lock_fh,
	345	lock_name => "$lockpath",
	346	};
	347	}
	348	}
	349
	350	if ($INC{'Test/Builder.pm'}) {
	351	populate_weakregistry ( $weak_registry, $self->storage );
	352
	353	my $cur_connect_call = $self->storage->on_connect_call;
	354
	355	$self->storage->on_connect_call([
	356	(ref $cur_connect_call eq 'ARRAY'
	357	? @$cur_connect_call
	358	: ($cur_connect_call \|\| ())
	359	),
	360	[sub {
	361	populate_weakregistry( $weak_registry, shift->_dbh )
	362	}],
	363	]);
	364	}
	365
	366	return $self;
	367	}
	368
	369	sub clone {
	370	my $self = shift->next::method(@_);
	371	populate_weakregistry ( $weak_registry, $self )
	372	if $INC{'Test/Builder.pm'};
	373	$self;
	374	}
	375
	376	END {
961d79db	377	# Make sure we run after any cleanup in other END blocks
961d79db	378	push @{ B::end_av()->object_2svref }, sub {
	379	assert_empty_weakregistry($weak_registry, 'quiet');
	380	};
e952df76	381	}
27a701f9	382
27a701f9	383	1;