X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F52leaks.t;h=5111b67387b1439e1519c1567babba2e93fb1d69;hb=f9cc85ce4c60c87d559247e28fe9a5f2ec18992c;hp=60a2497566cdf58748c92d5a8ad0c4975ad9ac55;hpb=fa442fd54ab8c2834d68650a537a37361d0e0859;p=dbsrgits%2FDBIx-Class.git diff --git a/t/52leaks.t b/t/52leaks.t index 60a2497..5111b67 100644 --- a/t/52leaks.t +++ b/t/52leaks.t @@ -1,3 +1,12 @@ +# work around brain damage in PPerl (yes, it has to be a global) +$SIG{__WARN__} = sub { + warn @_ unless $_[0] =~ /\QUse of "goto" to jump into a construct is deprecated/ +} if ($ENV{DBICTEST_IN_PERSISTENT_ENV}); + +# the persistent environments run with this flag first to see if +# we will run at all (e.g. it will fail if $^X doesn't match) +exit 0 if $ENV{DBICTEST_PERSISTENT_ENV_BAIL_EARLY}; + # Do the override as early as possible so that CORE::bless doesn't get compiled away # We will replace $bless_override only if we are in author mode my $bless_override; @@ -12,44 +21,54 @@ use strict; use warnings; use Test::More; +my $TB = Test::More->builder; +if ($ENV{DBICTEST_IN_PERSISTENT_ENV}) { + # without this explicit close ->reset below warns + close ($TB->$_) for qw/output failure_output/; + + # so done_testing can work + $TB->reset; + + # this simulates a subtest + $TB->_indent(' ' x 4); +} + use lib qw(t/lib); use DBICTest::RunMode; +use DBIx::Class; BEGIN { plan skip_all => "Your perl version $] appears to leak like a sieve - skipping test" - if DBICTest::RunMode->peepeeness; + if DBIx::Class::_ENV_::PEEPEENESS(); } use Scalar::Util qw/refaddr reftype weaken/; -use Carp qw/longmess/; -use Try::Tiny; - -my $have_test_cycle; -BEGIN { - require DBIx::Class::Optional::Dependencies; - $have_test_cycle = DBIx::Class::Optional::Dependencies->req_ok_for ('test_leaks') - and import Test::Memory::Cycle; -} # this is what holds all weakened refs to be checked for leakage my $weak_registry = {}; +# whether or to invoke IC::DT +my $has_dt; + # Skip the heavy-duty leak tracing when just doing an install unless (DBICTest::RunMode->is_plain) { - # Some modules are known to install singletons on-load - # Load them before we swap out $bless_override - require DBI; - require DBD::SQLite; - require Errno; - require Class::Struct; - require FileHandle; - require Hash::Merge; - require Storable; + # have our own little stack maker - Carp infloops due to the bless override + my $trace = sub { + my $depth = 1; + my (@stack, @frame); + + while (@frame = caller($depth++)) { + push @stack, [@frame[3,1,2]]; + } + $stack[0][0] = ''; + return join "\tinvoked as ", map { sprintf ("%s at %s line %d\n", @$_ ) } @stack; + }; + + # redefine the bless override so that we can catch each and every object created no warnings qw/redefine once/; no strict qw/refs/; - # redefine the bless override so that we can catch each and every object created $bless_override = sub { my $obj = CORE::bless( @@ -68,28 +87,42 @@ unless (DBICTest::RunMode->is_plain) { ); # weaken immediately to avoid weird side effects - $weak_registry->{$slot} = { weakref => $obj, strace => longmess() }; + $weak_registry->{$slot} = { weakref => $obj, strace => $trace->() }; weaken $weak_registry->{$slot}{weakref}; return $obj; }; + require Try::Tiny; for my $func (qw/try catch finally/) { my $orig = \&{"Try::Tiny::$func"}; *{"Try::Tiny::$func"} = sub (&;@) { my $slot = sprintf ('CODE(0x%x)', refaddr $_[0]); - $weak_registry->{$slot} = { weakref => $_[0], strace => longmess() }; + $weak_registry->{$slot} = { weakref => $_[0], strace => $trace->() }; weaken $weak_registry->{$slot}{weakref}; goto $orig; } } + + # Some modules are known to install singletons on-load + # Load them and empty the registry + + # this loads the DT armada + $has_dt = DBIx::Class::Optional::Dependencies->req_ok_for('test_dt_sqlite'); + + require Errno; + require DBI; + require DBD::SQLite; + require FileHandle; + + %$weak_registry = (); } { - require DBICTest; + use_ok ('DBICTest'); my $schema = DBICTest->init_schema; my $rs = $schema->resultset ('Artist'); @@ -161,6 +194,7 @@ unless (DBICTest::RunMode->is_plain) { }; + require Storable; %$base_collection = ( %$base_collection, refrozen => Storable::dclone( $base_collection ), @@ -171,8 +205,29 @@ unless (DBICTest::RunMode->is_plain) { dbh => $storage->_dbh, ); - memory_cycle_ok ($base_collection, 'No cycles in the object collection') - if $have_test_cycle; + if ($has_dt) { + my $rs = $base_collection->{icdt_rs} = $schema->resultset('Event'); + + my $now = DateTime->now; + for (1..5) { + $base_collection->{"icdt_row_$_"} = $rs->create({ + created_on => DateTime->new(year => 2011, month => 1, day => $_, time_zone => "-0${_}00" ), + starts_at => $now->clone->add(days => $_), + }); + } + + # re-search + my @dummy = $rs->all; + } + + # dbh's are created in XS space, so pull them separately + for ( grep { defined } map { @{$_->{ChildHandles}} } values %{ {DBI->installed_drivers()} } ) { + $base_collection->{"DBI handle $_"} = $_; + } + + if ( DBIx::Class::Optional::Dependencies->req_ok_for ('test_leaks') ) { + Test::Memory::Cycle::memory_cycle_ok ($base_collection, 'No cycles in the object collection') + } for (keys %$base_collection) { $weak_registry->{"basic $_"} = { weakref => $base_collection->{$_} }; @@ -223,22 +278,25 @@ unless (DBICTest::RunMode->is_plain) { # Naturally we have some exceptions my $cleared; for my $slot (keys %$weak_registry) { - if ($slot =~ /^\QTest::Builder/) { + if ($slot =~ /^Test::Builder/) { # T::B 2.0 has result objects and other fancyness delete $weak_registry->{$slot}; } - elsif ($slot =~ /^\QSQL::Translator/) { + elsif ($slot =~ /^SQL::Translator/) { # SQLT is a piece of shit, leaks all over delete $weak_registry->{$slot}; } - elsif ($slot =~ /^\QHash::Merge/) { + elsif ($slot =~ /^Hash::Merge/) { # only clear one object of a specific behavior - more would indicate trouble delete $weak_registry->{$slot} unless $cleared->{hash_merge_singleton}{$weak_registry->{$slot}{weakref}{behavior}}++; } - elsif ($slot =~ /^__TxnScopeGuard__FIXUP__/) { + elsif (DBIx::Class::_ENV_::INVISIBLE_DOLLAR_AT and $slot =~ /^__TxnScopeGuard__FIXUP__/) { delete $weak_registry->{$slot} - if $] > 5.013001 and $] < 5.013008; + } + elsif ($slot =~ /^DateTime::TimeZone/) { + # DT is going through a refactor it seems - let it leak zones for now + delete $weak_registry->{$slot}; } } @@ -263,14 +321,13 @@ for ( values %{DBICTest::Schema->source_registrations || {}} ) { delete $weak_registry->{$_}; } -my $tb = Test::More->builder; for my $slot (sort keys %$weak_registry) { ok (! defined $weak_registry->{$slot}{weakref}, "No leaks of $slot") or do { my $diag = ''; $diag .= Devel::FindRef::track ($weak_registry->{$slot}{weakref}, 20) . "\n" - if ( $ENV{TEST_VERBOSE} && try { require Devel::FindRef }); + if ( $ENV{TEST_VERBOSE} && eval { require Devel::FindRef }); if (my $stack = $weak_registry->{$slot}{strace}) { $diag .= " Reference first seen$stack"; @@ -280,4 +337,87 @@ for my $slot (sort keys %$weak_registry) { }; } + +# we got so far without a failure - this is a good thing +# now let's try to rerun this script under a "persistent" environment +# this is ugly and dirty but we do not yet have a Test::Embedded or +# similar + +my @pperl_cmd = (qw/pperl --prefork=1/, __FILE__); +my @pperl_term_cmd = @pperl_cmd; +splice @pperl_term_cmd, 1, 0, '--kill'; + +# scgi is smart and will auto-reap after -t amount of seconds +my @scgi_cmd = (qw/speedy -- -t5/, __FILE__); + +SKIP: { + skip 'Test already in a persistent loop', 1 + if $ENV{DBICTEST_IN_PERSISTENT_ENV}; + + skip 'Persistence test disabled on regular installs', 1 + if DBICTest::RunMode->is_plain; + + skip 'Main test failed - skipping persistent env tests', 1 + unless $TB->is_passing; + + # set up -I + require Config; + local $ENV{PERL5LIB} = join ($Config::Config{path_sep}, @INC); + + local $ENV{DBICTEST_IN_PERSISTENT_ENV} = 1; + + # try with pperl + SKIP: { + skip 'PPerl persistent environment tests require PPerl', 1 + unless eval { require PPerl }; + + # since PPerl is racy and sucks - just prime the "server" + { + local $ENV{DBICTEST_PERSISTENT_ENV_BAIL_EARLY} = 1; + system(@pperl_cmd); + sleep 1; + + # see if it actually runs - if not might as well bail now + skip "Something is wrong with pperl ($!)", 1 + if system(@pperl_cmd); + } + + for (1,2,3) { + system(@pperl_cmd); + ok (!$?, "Run in persistent env (PPerl pass $_): exit $?"); + } + + ok (! system (@pperl_term_cmd), 'killed pperl instance'); + } + + # try with speedy-cgi + SKIP: { + skip 'SPeedyCGI persistent environment tests require CGI::SpeedyCGI', 1 + unless eval { require CGI::SpeedyCGI }; + + { + local $ENV{DBICTEST_PERSISTENT_ENV_BAIL_EARLY} = 1; + skip "Something is wrong with speedy ($!)", 1 + if system(@scgi_cmd); + sleep 1; + } + + for (1,2,3) { + system(@scgi_cmd); + ok (!$?, "Run in persistent env (SpeedyCGI pass $_): exit $?"); + } + } +} + done_testing; + +# just an extra precaution in case we blew away from the SKIP - since there are no +# PID files to go by (man does pperl really suck :( +END { + unless ($ENV{DBICTEST_IN_PERSISTENT_ENV}) { + close STDOUT; + close STDERR; + local $?; # otherwise test will inherit $? of the system() + system (@pperl_term_cmd); + } +}