X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Flib%2FDBICTest%2FBaseSchema.pm;h=c68d7fded0694f63c499bcc6fe110c0c46148686;hb=2c2bc4e58c2146670960fc1a0a2ae802cb650506;hp=010e3e9ee170844503fedf6dd65abc21554deffb;hpb=27a701f9149192aa5adb55a5cdcc2e34d4acfeeb;p=dbsrgits%2FDBIx-Class.git

diff --git a/t/lib/DBICTest/BaseSchema.pm b/t/lib/DBICTest/BaseSchema.pm
index 010e3e9..c68d7fd 100644
--- a/t/lib/DBICTest/BaseSchema.pm
+++ b/t/lib/DBICTest/BaseSchema.pm
@@ -3,10 +3,265 @@ package #hide from pause
 
 use strict;
 use warnings;
+use base qw(DBICTest::Base DBIx::Class::Schema);
 
-# must load before any DBIx::Class* namespaces
-use DBICTest::RunMode;
+use Fcntl qw(:DEFAULT :seek :flock);
+use Time::HiRes 'sleep';
+use DBICTest::Util::LeakTracer qw(populate_weakregistry assert_empty_weakregistry);
+use DBICTest::Util 'local_umask';
+use namespace::clean;
 
-use base 'DBIx::Class::Schema';
+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;
+
+
+  local $self->storage->{debugcb};
+  local $self->storage->{debugobj} = my $tracer_obj = DBICTest::SQLTracerObj->new;
+  local $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) == $$) {
+    #warn "$$ $0 $locker->{type} LOCK RELEASED";
+  }
+}
+
+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
+  #
+  # File locking is hard. Really hard. By far the best lock implementation
+  # I've seen is part of the guts of File::Temp. However it is sadly not
+  # reusable. Since I am not aware of folks doing NFS parallel testing,
+  # nor are we known to work on VMS, I am just going to punt this and
+  # use the portable-ish flock() provided by perl itself. If this does
+  # not work for you - patches more than welcome.
+  if (
+    ! $DBICTest::global_exclusive_lock
+      and
+    ( ! $ENV{DBICTEST_LOCK_HOLDER} or $ENV{DBICTEST_LOCK_HOLDER} == $$ )
+      and
+    ref($_[0]) ne 'CODE'
+      and
+    ($_[0]||'') !~ /^ (?i:dbi) \: SQLite \: (?: dbname\= )? (?: \:memory\: | t [\/\\] var [\/\\] DBIxClass\-) /x
+  ) {
+
+    my $locktype = do {
+      # guard against infinite recursion
+      local $ENV{DBICTEST_LOCK_HOLDER} = -1;
+
+      # we need to connect a forced fresh clone so that we do not upset any state
+      # of the main $schema (some tests examine it quite closely)
+      local $SIG{__WARN__} = sub {};
+      local $@;
+      my $storage = eval {
+        my $st = ref($self)->connect(@{$self->storage->connect_info})->storage;
+        $st->ensure_connected;  # do connect here, to catch a possible throw
+        $st;
+      };
+      $storage
+        ? do {
+          my $t = $storage->sqlt_type || 'generic';
+          eval { $storage->disconnect };
+          $t;
+        }
+        : undef
+      ;
+    };
+
+    # Never hold more than one lock. This solves the "lock in order" issues
+    # unrelated tests may have
+    # Also if there is no connection - there is no lock to be had
+    if ($locktype and (!$locker or $locker->{type} ne $locktype)) {
+
+      # this will release whatever lock we may currently be holding
+      # which is fine since the type does not match as checked above
+      undef $locker;
+
+      my $lockpath = DBICTest::RunMode->tmpdir->file("_dbictest_$locktype.lock");
+
+      #warn "$$ $0 $locktype GRABBING LOCK";
+      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: $!";
+      }
+      flock ($lock_fh, LOCK_EX) or die "Unable to lock $lockpath: $!";
+      #warn "$$ $0 $locktype LOCK GRABBED";
+
+      # see if anyone was holding a lock before us, and wait up to 5 seconds for them to terminate
+      # if we do not do this we may end up trampling over some long-running END or somesuch
+      seek ($lock_fh, 0, SEEK_SET) or die "seek failed $!";
+      my $old_pid;
+      if (
+        read ($lock_fh, $old_pid, 100)
+          and
+        ($old_pid) = $old_pid =~ /^(\d+)$/
+      ) {
+        for (1..50) {
+          kill (0, $old_pid) or last;
+          sleep 0.1;
+        }
+      }
+      #warn "$$ $0 $locktype POST GRAB WAIT";
+
+      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'};
+  $self;
+}
+
+END {
+  # Make sure we run after any cleanup in other END blocks
+  require B;
+  push @{ B::end_av()->object_2svref }, sub {
+    assert_empty_weakregistry($weak_registry, 'quiet');
+  };
+}
 
 1;