Make sure DBICTest is always loaded first (purely bookkeep)

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

diff --git a/t/lib/DBICTest.pm b/t/lib/DBICTest.pm
index 75599eb..8988db9 100644 (file)
--- a/t/lib/DBICTest.pm
+++ b/t/lib/DBICTest.pm
@@ -3,6 +3,40 @@ package # hide from PAUSE
 
 use strict;
 use warnings;
+
+# this noop trick initializes the STDOUT, so that the TAP::Harness
+# issued IO::Select->can_read calls (which are blocking wtf wtf wtf)
+# keep spinning and scheduling jobs
+# This results in an overall much smoother job-queue drainage, since
+# the Harness blocks less
+# (ideally this needs to be addressed in T::H, but a quick patchjob
+# broke everything so tabling it for now)
+BEGIN {
+  if ($INC{'Test/Builder.pm'}) {
+    local $| = 1;
+    print "#\n";
+  }
+}
+
+use Module::Runtime 'module_notional_filename';
+BEGIN {
+  for my $mod (qw( DBIC::SqlMakerTest SQL::Abstract )) {
+    if ( $INC{ module_notional_filename($mod) } ) {
+      # FIXME this does not seem to work in BEGIN - why?!
+      #require Carp;
+      #$Carp::Internal{ (__PACKAGE__) }++;
+      #Carp::croak( __PACKAGE__ . " must be loaded before $mod" );
+
+      my ($fr, @frame) = 1;
+      while (@frame = caller($fr++)) {
+        last if $frame[1] !~ m|^t/lib/DBICTest|;
+      }
+
+      die __PACKAGE__ . " must be loaded before $mod (or modules using $mod) at $frame[1] line $frame[2]\n";
+    }
+  }
+}
+
 use DBICTest::RunMode;
 use DBICTest::Schema;
 use DBICTest::Util::LeakTracer qw/populate_weakregistry assert_empty_weakregistry/;
@@ -187,6 +221,15 @@ sub _database {
         # no fsync on commit
         $dbh->do ('PRAGMA synchronous = OFF');
 
+        if ($ENV{DBICTEST_SQLITE_REVERSE_DEFAULT_ORDER}) {
+
+          $storage->throw_exception(
+            'PRAGMA reverse_unordered_selects does not work correctly before libsqlite 3.7.9'
+          ) if $storage->_server_info->{normalized_dbms_version} < 3.007009;
+
+          $dbh->do ('PRAGMA reverse_unordered_selects = ON');
+        }
+
         # set a *DBI* disconnect callback, to make sure the physical SQLite
         # file is still there (i.e. the test does not attempt to delete
         # an open database, which fails on Win32)