From: Peter Rabbitson <ribasushi@cpan.org>
Date: Wed, 28 May 2014 03:04:27 +0000 (+0200)
Subject: Switch most remaining debug-hooks to $dbictest_schema->is_executed_querycount()
X-Git-Tag: v0.082800~199
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=49eeb48de3d8ff685926b595fa0f3f5e680eaee2;p=dbsrgits%2FDBIx-Class.git

Switch most remaining debug-hooks to $dbictest_schema->is_executed_querycount()
---

diff --git a/t/71mysql.t b/t/71mysql.t
index e1e68ee..52d097d 100644
--- a/t/71mysql.t
+++ b/t/71mysql.t
@@ -285,15 +285,9 @@ NULLINSEARCH: {
 
   is ($rs->count, 10, '10 artists present');
 
-  my $orig_debug = $schema->storage->debug;
-  $schema->storage->debug(1);
-  my $query_count;
-  $schema->storage->debugcb(sub { $query_count++ });
-
-  $query_count = 0;
-  $complex_rs->delete;
-
-  is ($query_count, 1, 'One delete query fired');
+  $schema->is_executed_querycount( sub {
+    $complex_rs->delete;
+  }, 1, 'One delete query fired' );
   is ($rs->count, 0, '10 Artists correctly deleted');
 
   $rs->create({
@@ -302,15 +296,13 @@ NULLINSEARCH: {
   });
   is ($rs->count, 1, 'Artist with cd created');
 
-  $query_count = 0;
-  $schema->resultset('CD')->search_related('artist',
-    { 'artist.name' => { -like => 'baby_with_%' } }
-  )->delete;
-  is ($query_count, 1, 'And one more delete query fired');
-  is ($rs->count, 0, 'Artist with cd deleted');
 
-  $schema->storage->debugcb(undef);
-  $schema->storage->debug($orig_debug);
+  $schema->is_executed_querycount( sub {
+    $schema->resultset('CD')->search_related('artist',
+      { 'artist.name' => { -like => 'baby_with_%' } }
+    )->delete;
+  }, 1, 'And one more delete query fired');
+  is ($rs->count, 0, 'Artist with cd deleted');
 }
 
 ZEROINSEARCH: {
diff --git a/t/72pg.t b/t/72pg.t
index 44b723c..6e1ca7d 100644
--- a/t/72pg.t
+++ b/t/72pg.t
@@ -248,7 +248,7 @@ for my $use_insert_returning ($test_server_supports_insert_returning
     lives_ok {
       is_deeply (
         $arr_rs->search({ arrayfield => { '=' => { -value => [3,4] }} })->first->arrayfield,
-        [3,4],,
+        [3,4],
         'Array value matches explicit equal'
       );
     } 'searching by arrayref (explicit equal sign)';
diff --git a/t/73oracle_blob.t b/t/73oracle_blob.t
index ae5a359..c2fa413 100644
--- a/t/73oracle_blob.t
+++ b/t/73oracle_blob.t
@@ -78,17 +78,12 @@ SKIP: {
               . ': https://rt.cpan.org/Ticket/Display.html?id=64206'
     if $q;
 
-  # so we can disable BLOB mega-output
-  my $orig_debug = $schema->storage->debug;
-
   my $id;
   foreach my $size (qw( small large )) {
     $id++;
 
-    local $schema->storage->{debug} = $size eq 'large'
-      ? 0
-      : $orig_debug
-    ;
+    local $schema->storage->{debug} = 0
+      if $size eq 'large';
 
     my $str = $binstr{$size};
     lives_ok {
@@ -154,8 +149,6 @@ SKIP: {
     @objs = $rs->search({ blob => "re-updated blob", clob => 're-updated clob' })->all;
     is @objs, 0, 'row deleted successfully';
   }
-
-  $schema->storage->debug ($orig_debug);
 }
 
   do_clean ($dbh);
diff --git a/t/746mssql.t b/t/746mssql.t
index 2cc0281..5e062f6 100644
--- a/t/746mssql.t
+++ b/t/746mssql.t
@@ -331,20 +331,13 @@ SQL
           is ($limited_rs->count, 6, "$test_type: Correct count of limited right-sorted joined resultset");
           is ($limited_rs->count_rs->next, 6, "$test_type: Correct count_rs of limited right-sorted joined resultset");
 
-          my $queries;
-          my $orig_debug = $schema->storage->debug;
-          $schema->storage->debugcb(sub { $queries++; });
-          $schema->storage->debug(1);
-
-          is_deeply (
-            [map { $_->owner->name } ($limited_rs->all) ],
-            [@owner_names[2 .. 7]],
-            "$test_type: Prefetch-limited rows were properly ordered"
-          );
-          is ($queries, 1, "$test_type: Only one query with prefetch");
-
-          $schema->storage->debugcb(undef);
-          $schema->storage->debug($orig_debug);
+          $schema->is_executed_querycount( sub {
+            is_deeply (
+              [map { $_->owner->name } ($limited_rs->all) ],
+              [@owner_names[2 .. 7]],
+              "$test_type: Prefetch-limited rows were properly ordered"
+            );
+          }, 1, "$test_type: Only one query with prefetch" );
 
           is_deeply (
             [map { $_->name } ($limited_rs->search_related ('owner')->all) ],
diff --git a/t/747mssql_ado.t b/t/747mssql_ado.t
index 77a88dc..3fd7af6 100644
--- a/t/747mssql_ado.t
+++ b/t/747mssql_ado.t
@@ -223,9 +223,7 @@ is $row->artistid, $current_artistid+1,
 my $rs = $schema->resultset('VaryingMAX');
 
 foreach my $size (qw/small large/) {
-  my $orig_debug = $schema->storage->debug;
-
-  $schema->storage->debug(0) if $size eq 'large';
+  local $schema->storage->{debug} = 0 if $size eq 'large';
 
   my $str = $binstr{$size};
   my $row;
@@ -242,8 +240,6 @@ foreach my $size (qw/small large/) {
   cmp_ok try { $row->varchar_max },   'eq', $str, 'VARCHAR(MAX) matches';
   cmp_ok try { $row->nvarchar_max },  'eq', $str, 'NVARCHAR(MAX) matches';
   cmp_ok try { $row->varbinary_max }, 'eq', $str, 'VARBINARY(MAX) matches';
-
-  $schema->storage->debug($orig_debug);
 }
 
 # test regular blobs
diff --git a/t/76joins.t b/t/76joins.t
index 0fd511f..934e387 100644
--- a/t/76joins.t
+++ b/t/76joins.t
@@ -8,10 +8,8 @@ use DBIC::SqlMakerTest;
 
 my $schema = DBICTest->init_schema();
 
-my $orig_debug = $schema->storage->debug;
-
 # test the abstract join => SQL generator
-my $sa = new DBIx::Class::SQLMaker;
+my $sa = DBIx::Class::SQLMaker->new;
 
 my @j = (
     { child => 'person' },
diff --git a/t/83cache.t b/t/83cache.t
index 9edfe71..5812083 100644
--- a/t/83cache.t
+++ b/t/83cache.t
@@ -7,12 +7,6 @@ use DBICTest;
 
 my $schema = DBICTest->init_schema();
 
-my $queries;
-my $debugcb = sub{ $queries++ };
-my $sdebug = $schema->storage->debug;
-
-plan tests => 23;
-
 my $rs = $schema->resultset("Artist")->search(
   { artistid => 1 }
 );
@@ -43,18 +37,12 @@ my $cd = $schema->resultset('CD')->find(1);
 
 $rs->clear_cache;
 
-$queries = 0;
-$schema->storage->debug(1);
-$schema->storage->debugcb ($debugcb);
-
-$rs = $schema->resultset('Artist')->search( undef, { cache => 1 } );
-while( $artist = $rs->next ) {}
-$artist = $rs->first();
-
-is( $queries, 1, 'revisiting a row does not issue a query when cache => 1' );
+$schema->is_executed_querycount( sub {
 
-$schema->storage->debug($sdebug);
-$schema->storage->debugcb (undef);
+  $rs = $schema->resultset('Artist')->search( undef, { cache => 1 } );
+  while( $artist = $rs->next ) {}
+  $artist = $rs->first();
+}, 1, 'revisiting a row does not issue a query when cache => 1' );
 
 my @a = $schema->resultset("Artist")->search(
   { },
@@ -74,33 +62,28 @@ $rs = $schema->resultset("Artist")->search(
   }
 );
 
-# start test for prefetch SELECT count
-$queries = 0;
-$schema->storage->debug(1);
-$schema->storage->debugcb ($debugcb);
-
-$artist = $rs->first;
-$rs->reset();
+# prefetch SELECT count
+$schema->is_executed_querycount( sub {
+  $artist = $rs->first;
+  $rs->reset();
 
-# make sure artist contains a related resultset for cds
-isa_ok( $artist->{related_resultsets}{cds}, 'DBIx::Class::ResultSet', 'artist has a related_resultset for cds' );
+  # make sure artist contains a related resultset for cds
+  isa_ok( $artist->{related_resultsets}{cds}, 'DBIx::Class::ResultSet', 'artist has a related_resultset for cds' );
 
-# check if $artist->cds->get_cache is populated
-is( scalar @{$artist->cds->get_cache}, 3, 'cache for artist->cds contains correct number of records');
+  # check if $artist->cds->get_cache is populated
+  is( scalar @{$artist->cds->get_cache}, 3, 'cache for artist->cds contains correct number of records');
 
-# ensure that $artist->cds returns correct number of objects
-is( scalar ($artist->cds), 3, 'artist->cds returns correct number of objects' );
+  # ensure that $artist->cds returns correct number of objects
+  is( scalar ($artist->cds), 3, 'artist->cds returns correct number of objects' );
 
-# ensure that $artist->cds->count returns correct value
-is( $artist->cds->count, 3, 'artist->cds->count returns correct value' );
+  # ensure that $artist->cds->count returns correct value
+  is( $artist->cds->count, 3, 'artist->cds->count returns correct value' );
 
-# ensure that $artist->count_related('cds') returns correct value
-is( $artist->count_related('cds'), 3, 'artist->count_related returns correct value' );
+  # ensure that $artist->count_related('cds') returns correct value
+  is( $artist->count_related('cds'), 3, 'artist->count_related returns correct value' );
 
-is($queries, 1, 'only one SQL statement executed');
+}, 1, 'only one SQL statement executed');
 
-$schema->storage->debug($sdebug);
-$schema->storage->debugcb (undef);
 
 # make sure related_resultset is deleted after object is updated
 $artist->set_column('name', 'New Name');
@@ -131,57 +114,44 @@ is($artist->cds, 0, 'No cds for this artist');
 }
 
 # SELECT count for nested has_many prefetch
-$queries = 0;
-$schema->storage->debug(1);
-$schema->storage->debugcb ($debugcb);
-
-$artist = ($rs->all)[0];
-
-is($queries, 1, 'only one SQL statement executed');
-
-$queries = 0;
-
-my @objs;
-my $cds = $artist->cds;
-my $tags = $cds->next->tags;
-while( my $tag = $tags->next ) {
-  push @objs, $tag->tagid; #warn "tag:", $tag->ID, " => ", $tag->tag;
-}
-
-is_deeply( \@objs, [ 3 ], 'first cd has correct tags' );
-
-$tags = $cds->next->tags;
-@objs = ();
-while( my $tag = $tags->next ) {
-  push @objs, $tag->id; #warn "tag: ", $tag->ID;
-}
-
-is_deeply( [ sort @objs] , [ 2, 5, 8 ], 'third cd has correct tags' );
-
-$tags = $cds->next->tags;
-@objs = ();
-while( my $tag = $tags->next ) {
-  push @objs, $tag->id; #warn "tag: ", $tag->ID;
-}
-
-is_deeply( \@objs, [ 1 ], 'second cd has correct tags' );
+$schema->is_executed_querycount( sub {
+  $artist = ($rs->all)[0];
+}, 1, 'only one SQL statement executed');
+
+$schema->is_executed_querycount( sub {
+  my @objs;
+  my $cds = $artist->cds;
+  my $tags = $cds->next->tags;
+  while( my $tag = $tags->next ) {
+    push @objs, $tag->tagid; #warn "tag:", $tag->ID, " => ", $tag->tag;
+  }
 
-is( $queries, 0, 'no additional SQL statements while checking nested data' );
+  is_deeply( \@objs, [ 3 ], 'first cd has correct tags' );
 
-# start test for prefetch SELECT count
-$queries = 0;
+  $tags = $cds->next->tags;
+  @objs = ();
+  while( my $tag = $tags->next ) {
+    push @objs, $tag->id; #warn "tag: ", $tag->ID;
+  }
 
-$artist = $schema->resultset('Artist')->find(1, { prefetch => [qw/cds/] });
+  is_deeply( [ sort @objs] , [ 2, 5, 8 ], 'third cd has correct tags' );
 
-is( $queries, 1, 'only one select statement on find with inline has_many prefetch' );
+  $tags = $cds->next->tags;
+  @objs = ();
+  while( my $tag = $tags->next ) {
+    push @objs, $tag->id; #warn "tag: ", $tag->ID;
+  }
 
-# start test for prefetch SELECT count
-$queries = 0;
+  is_deeply( \@objs, [ 1 ], 'second cd has correct tags' );
+}, 0, 'no additional SQL statements while checking nested data' );
 
-$rs = $schema->resultset('Artist')->search(undef, { prefetch => [qw/cds/] });
-$artist = $rs->find(1);
+$schema->is_executed_querycount( sub {
+  $artist = $schema->resultset('Artist')->find(1, { prefetch => [qw/cds/] });
+}, 1, 'only one select statement on find with inline has_many prefetch' );
 
-is( $queries, 1, 'only one select statement on find with has_many prefetch on resultset' );
+$schema->is_executed_querycount( sub {
+  $rs = $schema->resultset('Artist')->search(undef, { prefetch => [qw/cds/] });
+  $artist = $rs->find(1);
+}, 1, 'only one select statement on find with has_many prefetch on resultset' );
 
-$schema->storage->debug($sdebug);
-$schema->storage->debugcb (undef);
+done_testing;
diff --git a/t/84serialize.t b/t/84serialize.t
index ffe0368..ffa63fa 100644
--- a/t/84serialize.t
+++ b/t/84serialize.t
@@ -138,17 +138,12 @@ for my $name (keys %stores) {
 
 
     # Test resultsource with cached rows
-    my $query_count;
-    $cd_rs = $cd_rs->search ({}, { cache => 1 });
+    $schema->is_executed_querycount( sub {
+      $cd_rs = $cd_rs->search ({}, { cache => 1 });
 
-    my $orig_debug = $schema->storage->debug;
-    $schema->storage->debug(1);
-    $schema->storage->debugcb(sub { $query_count++ } );
+      # this will hit the database once and prime the cache
+      my @cds = $cd_rs->all;
 
-    # this will hit the database once and prime the cache
-    my @cds = $cd_rs->all;
-
-    lives_ok {
       $copy = $store->($cd_rs);
       ref_ne($copy, $cd_rs, 'Cached resultset cloned');
       is_deeply (
@@ -158,12 +153,7 @@ for my $name (keys %stores) {
       );
 
       is ($copy->count, $cd_rs->count, 'Cached count identical');
-    } "serialize cached resultset lives: $name";
-
-    is ($query_count, 1, 'Only one db query fired');
-
-    $schema->storage->debug($orig_debug);
-    $schema->storage->debugcb(undef);
+    }, 1, 'Only one db query fired');
 }
 
 # test schema-less detached thaw
diff --git a/t/86might_have.t b/t/86might_have.t
index 0ca9a06..05ba539 100644
--- a/t/86might_have.t
+++ b/t/86might_have.t
@@ -8,36 +8,27 @@ use DBICTest;
 
 my $schema = DBICTest->init_schema();
 
-my $queries;
-$schema->storage->debugcb( sub{ $queries++ } );
-my $sdebug = $schema->storage->debug;
-
 my $cd = $schema->resultset("CD")->find(1);
 $cd->title('test');
 
-# SELECT count
-$queries = 0;
-$schema->storage->debug(1);
-
-$cd->update;
-
-is($queries, 1, 'liner_notes (might_have) not prefetched - do not load
-liner_notes on update');
-
-$schema->storage->debug($sdebug);
-
+$schema->is_executed_querycount( sub {
+  $cd->update;
+}, {
+  BEGIN => 1,
+  UPDATE => 1,
+  COMMIT => 1,
+}, 'liner_notes (might_have) not prefetched - do not load liner_notes on update' );
 
 my $cd2 = $schema->resultset("CD")->find(2, {prefetch => 'liner_notes'});
 $cd2->title('test2');
 
-# SELECT count
-$queries = 0;
-$schema->storage->debug(1);
-
-$cd2->update;
-
-is($queries, 1, 'liner_notes (might_have) prefetched - do not load
-liner_notes on update');
+$schema->is_executed_querycount( sub {
+  $cd2->update;
+}, {
+  BEGIN => 1,
+  UPDATE => 1,
+  COMMIT => 1,
+}, 'liner_notes (might_have) prefetched - do not load liner_notes on update');
 
 warning_like {
   local $ENV{DBIC_DONT_VALIDATE_RELS};
@@ -62,5 +53,4 @@ warning_like {
   'Setting DBIC_DONT_VALIDATE_RELS suppresses nullable relation warnings';
 }
 
-$schema->storage->debug($sdebug);
 done_testing();
diff --git a/t/lib/DBICTest/BaseSchema.pm b/t/lib/DBICTest/BaseSchema.pm
index ae8d74a..5fb9022 100644
--- a/t/lib/DBICTest/BaseSchema.pm
+++ b/t/lib/DBICTest/BaseSchema.pm
@@ -44,12 +44,35 @@ sub capture_executed_sql_bind {
   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) = @_;
 
diff --git a/t/prefetch/correlated.t b/t/prefetch/correlated.t
index df349fc..ac809f3 100644
--- a/t/prefetch/correlated.t
+++ b/t/prefetch/correlated.t
@@ -8,7 +8,6 @@ use DBICTest;
 use DBIC::SqlMakerTest;
 
 my $schema = DBICTest->init_schema();
-my $orig_debug = $schema->storage->debug;
 
 my $cdrs = $schema->resultset('CD')->search({ 'me.artist' => { '!=', 2 }});
 
@@ -63,26 +62,19 @@ is_same_sql_bind(
   'Expected SQL on correlated realiased subquery'
 );
 
-my $queries = 0;
-$schema->storage->debugcb(sub { $queries++; });
-$schema->storage->debug(1);
-
-cmp_deeply (
-  { map
-    { $_->cdid => {
-      track_titles => [ map { $_->title } ($_->tracks->all) ],
-      siblings => $_->get_column ('sibling_count'),
-    } }
-    $c_rs->all
-  },
-  $cd_data,
-  'Proper information retrieved from correlated subquery'
-);
-
-is ($queries, 1, 'Only 1 query fired to retrieve everything');
-
-$schema->storage->debug($orig_debug);
-$schema->storage->debugcb(undef);
+$schema->is_executed_querycount( sub {
+  cmp_deeply (
+    { map
+      { $_->cdid => {
+        track_titles => [ map { $_->title } ($_->tracks->all) ],
+        siblings => $_->get_column ('sibling_count'),
+      } }
+      $c_rs->all
+    },
+    $cd_data,
+    'Proper information retrieved from correlated subquery'
+  );
+}, 1, 'Only 1 query fired to retrieve everything');
 
 # now add an unbalanced select/as pair
 $c_rs = $c_rs->search ({}, {
diff --git a/t/prefetch/count.t b/t/prefetch/count.t
index 4311e80..8fb2442 100644
--- a/t/prefetch/count.t
+++ b/t/prefetch/count.t
@@ -6,8 +6,6 @@ use lib qw(t/lib);
 use DBICTest;
 use DBIC::SqlMakerTest;
 
-plan tests => 23;
-
 my $schema = DBICTest->init_schema();
 
 my $cd_rs = $schema->resultset('CD')->search (
@@ -15,7 +13,6 @@ my $cd_rs = $schema->resultset('CD')->search (
   { prefetch => ['tracks', 'artist'] },
 );
 
-
 is($cd_rs->count, 5, 'CDs with tracks count');
 is($cd_rs->search_related('tracks')->count, 15, 'Tracks associated with CDs count (before SELECT()ing)');
 
@@ -77,26 +74,23 @@ is_same_sql_bind (
       => 4 ] ],
 );
 
-
 {
   local $TODO = "Chaining with prefetch is fundamentally broken";
+  $schema->is_executed_querycount( sub {
 
-  my $queries;
-  $schema->storage->debugcb ( sub { $queries++ } );
-  $schema->storage->debug (1);
-
-  my $cds = $cd2->search_related ('artist', {}, { prefetch => { cds => 'tracks' }, join => 'twokeys' })
+    my $cds = $cd2->search_related ('artist', {}, { prefetch => { cds => 'tracks' }, join => 'twokeys' })
                   ->search_related ('cds');
 
-  my $tracks = $cds->search_related ('tracks');
-
-  is($tracks->count, 2, "2 Tracks counted on cd via artist via one of the cds");
-  is(scalar($tracks->all), 2, "2 Tracks prefetched on cd via artist via one of the cds");
-  is($tracks->count, 2, "Cached 2 Tracks counted on cd via artist via one of the cds");
+    my $tracks = $cds->search_related ('tracks');
 
-  is($cds->count, 2, "2 CDs counted on artist via one of the cds");
-  is(scalar($cds->all), 2, "2 CDs prefetched on artist via one of the cds");
-  is($cds->count, 2, "Cached 2 CDs counted on artist via one of the cds");
+    is($tracks->count, 2, "2 Tracks counted on cd via artist via one of the cds");
+    is(scalar($tracks->all), 2, "2 Tracks prefetched on cd via artist via one of the cds");
+    is($tracks->count, 2, "Cached 2 Tracks counted on cd via artist via one of the cds");
 
-  is ($queries, 3, '2 counts + 1 prefetch?');
+    is($cds->count, 2, "2 CDs counted on artist via one of the cds");
+    is(scalar($cds->all), 2, "2 CDs prefetched on artist via one of the cds");
+    is($cds->count, 2, "Cached 2 CDs counted on artist via one of the cds");
+  }, 3, '2 counts + 1 prefetch?' );
 }
+
+done_testing;
diff --git a/t/prefetch/false_colvalues.t b/t/prefetch/false_colvalues.t
index 5213e73..468a27a 100644
--- a/t/prefetch/false_colvalues.t
+++ b/t/prefetch/false_colvalues.t
@@ -15,29 +15,20 @@ $schema->resultset('CD')->create({
   },
 });
 
-my $orig_debug = $schema->storage->debug;
-
-my $queries = 0;
-$schema->storage->debugcb(sub { $queries++; });
-$schema->storage->debug(1);
-
-my $cd = $schema->resultset('CD')->search( {}, { prefetch => 'artist' })->next;
-
-cmp_deeply
-  { $cd->get_columns },
-  { artist => 0, cdid => 0, genreid => 0, single_track => 0, title => '', year => 0 },
-  'Expected CD columns present',
-;
-
-cmp_deeply
-  { $cd->artist->get_columns },
-  { artistid => 0, charfield => 0, name => "", rank => 0 },
-  'Expected Artist columns present',
-;
-
-is $queries, 1, 'Only one query fired - prefetch worked';
-
-$schema->storage->debugcb(undef);
-$schema->storage->debug($orig_debug);
+$schema->is_executed_querycount( sub {
+  my $cd = $schema->resultset('CD')->search( {}, { prefetch => 'artist' })->next;
+
+  cmp_deeply
+    { $cd->get_columns },
+    { artist => 0, cdid => 0, genreid => 0, single_track => 0, title => '', year => 0 },
+    'Expected CD columns present',
+  ;
+
+  cmp_deeply
+    { $cd->artist->get_columns },
+    { artistid => 0, charfield => 0, name => "", rank => 0 },
+    'Expected Artist columns present',
+  ;
+}, 1, 'Only one query fired - prefetch worked' );
 
 done_testing;
diff --git a/t/prefetch/grouped.t b/t/prefetch/grouped.t
index 0eed0a7..c9a91c4 100644
--- a/t/prefetch/grouped.t
+++ b/t/prefetch/grouped.t
@@ -12,7 +12,6 @@ my $ROWS = DBIx::Class::SQLMaker::LimitDialects->__rows_bindtype;
 my $OFFSET = DBIx::Class::SQLMaker::LimitDialects->__offset_bindtype;
 
 my $schema = DBICTest->init_schema();
-my $sdebug = $schema->storage->debug;
 
 my $cd_rs = $schema->resultset('CD')->search (
   { 'tracks.cd' => { '!=', undef } },
@@ -49,21 +48,13 @@ for ($cd_rs->all) {
   is($track_rs->count, 5, 'Prefetched count with groupby');
   is($track_rs->all, 5, 'Prefetched objects with groupby');
 
-  {
-    my $query_cnt = 0;
-    $schema->storage->debugcb ( sub { $query_cnt++ } );
-    $schema->storage->debug (1);
-
+  $schema->is_executed_querycount( sub {
     while (my $collapsed_track = $track_rs->next) {
       my $cdid = $collapsed_track->get_column('cd');
       is($collapsed_track->get_column('track_count'), 3, "Correct count of tracks for CD $cdid" );
       ok($collapsed_track->cd->title, "Prefetched title for CD $cdid" );
     }
-
-    is ($query_cnt, 1, 'Single query on prefetched titles');
-    $schema->storage->debugcb (undef);
-    $schema->storage->debug ($sdebug);
-  }
+  }, 1, 'Single query on prefetched titles');
 
   # Test sql by hand, as the sqlite db will simply paper over
   # improper group/select combinations
@@ -190,22 +181,16 @@ for ($cd_rs->all) {
   my ($top_cd) = $most_tracks_rs->all;
   is ($top_cd->id, 2, 'Correct cd fetched on top'); # 2 because of the slice(1,1) earlier
 
-  my $query_cnt = 0;
-  $schema->storage->debugcb ( sub { $query_cnt++ } );
-  $schema->storage->debug (1);
-
-  is ($top_cd->get_column ('track_count'), 4, 'Track count fetched correctly');
-  is ($top_cd->tracks->count, 4, 'Count of prefetched tracks rs still correct');
-  is ($top_cd->tracks->all, 4, 'Number of prefetched track objects still correct');
-  is (
-    $top_cd->liner_notes->notes,
-    'Buy Whiskey!',
-    'Correct liner pre-fetched with top cd',
-  );
-
-  is ($query_cnt, 0, 'No queries executed during prefetched data access');
-  $schema->storage->debugcb (undef);
-  $schema->storage->debug ($sdebug);
+  $schema->is_executed_querycount( sub {
+    is ($top_cd->get_column ('track_count'), 4, 'Track count fetched correctly');
+    is ($top_cd->tracks->count, 4, 'Count of prefetched tracks rs still correct');
+    is ($top_cd->tracks->all, 4, 'Number of prefetched track objects still correct');
+    is (
+      $top_cd->liner_notes->notes,
+      'Buy Whiskey!',
+      'Correct liner pre-fetched with top cd',
+    );
+  }, 0, 'No queries executed during prefetched data access');
 }
 
 {
@@ -256,20 +241,14 @@ for ($cd_rs->all) {
   my ($top_cd) = $most_tracks_rs->all;
   is ($top_cd->id, 2, 'Correct cd fetched on top'); # 2 because of the slice(1,1) earlier
 
-  my $query_cnt = 0;
-  $schema->storage->debugcb ( sub { $query_cnt++ } );
-  $schema->storage->debug (1);
-
-  is ($top_cd->get_column ('track_count'), 4, 'Track count fetched correctly');
-  is (
-    $top_cd->liner_notes->notes,
-    'Buy Whiskey!',
-    'Correct liner pre-fetched with top cd',
-  );
-
-  is ($query_cnt, 0, 'No queries executed during prefetched data access');
-  $schema->storage->debugcb (undef);
-  $schema->storage->debug ($sdebug);
+  $schema->is_executed_querycount( sub {
+    is ($top_cd->get_column ('track_count'), 4, 'Track count fetched correctly');
+    is (
+      $top_cd->liner_notes->notes,
+      'Buy Whiskey!',
+      'Correct liner pre-fetched with top cd',
+    );
+  }, 0, 'No queries executed during prefetched data access');
 }
 
 
diff --git a/t/prefetch/manual.t b/t/prefetch/manual.t
index 2228142..e051ce3 100644
--- a/t/prefetch/manual.t
+++ b/t/prefetch/manual.t
@@ -257,24 +257,20 @@ if ($ENV{TEST_VERBOSE}) {
     for @lines;
 }
 
-{
-  my $queries = 0;
-  $schema->storage->debugcb(sub { $queries++ });
-  my $orig_debug = $schema->storage->debug;
-  $schema->storage->debug (1);
-
+$schema->is_executed_querycount( sub {
   for my $use_next (0, 1) {
     my @random_cds;
+    my $rs_r = $rs_random;
     if ($use_next) {
       warnings_exist {
-        while (my $o = $rs_random->next) {
+        while (my $o = $rs_r->next) {
           push @random_cds, $o;
         }
       } qr/performed an eager cursor slurp underneath/,
       'Warned on auto-eager cursor';
     }
     else {
-      @random_cds = $rs_random->all;
+      @random_cds = $rs_r->all;
     }
 
     is (@random_cds, 6, 'object count matches');
@@ -306,11 +302,7 @@ if ($ENV{TEST_VERBOSE}) {
       }
     }
   }
-
-  $schema->storage->debugcb(undef);
-  $schema->storage->debug($orig_debug);
-  is ($queries, 2, "Only two queries for two prefetch calls total");
-}
+}, 2, "Only two queries for two prefetch calls total");
 
 # can't cmp_deeply a random set - need *some* order
 my $ord_rs = $rs->search({}, {
diff --git a/t/prefetch/multiple_hasmany.t b/t/prefetch/multiple_hasmany.t
index 31b2585..665005b 100644
--- a/t/prefetch/multiple_hasmany.t
+++ b/t/prefetch/multiple_hasmany.t
@@ -2,11 +2,11 @@ use strict;
 use warnings;
 
 use Test::More;
+use Test::Warn;
 use lib qw(t/lib);
 use DBICTest;
 
 my $schema = DBICTest->init_schema();
-my $sdebug = $schema->storage->debug;
 
 #( 1 -> M + M )
 my $cd_rs = $schema->resultset('CD')->search( { 'me.title' => 'Forkful of bees' } );
@@ -15,33 +15,24 @@ my $pr_cd_rs = $cd_rs->search( {}, { prefetch => [qw/tracks tags/], } );
 my $tracks_rs    = $cd_rs->first->tracks;
 my $tracks_count = $tracks_rs->count;
 
-my ( $pr_tracks_rs, $pr_tracks_count );
+$schema->is_executed_querycount( sub {
+  my $pcr = $pr_cd_rs;
+  my $pr_tracks_rs;
 
-my $queries = 0;
-$schema->storage->debugcb( sub { $queries++ } );
-$schema->storage->debug(1);
+  warnings_exist {
+    $pr_tracks_rs = $pcr->first->tracks;
+  } [], 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)' ;
 
-my $o_mm_warn;
-{
-    local $SIG{__WARN__} = sub { $o_mm_warn = shift };
-    $pr_tracks_rs = $pr_cd_rs->first->tracks;
-};
-$pr_tracks_count = $pr_tracks_rs->count;
+  is( $pr_tracks_rs->count, $tracks_count,
+    'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)'
+  );
 
-ok( !$o_mm_warn,
-'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)'
-);
+  is( $pr_tracks_rs->all, $tracks_count,
+    'equal amount of objects returned with and without prefetch over several same level has_many\'s (1 -> M + M)'
+  );
 
-is( $queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
-$schema->storage->debugcb(undef);
-$schema->storage->debug($sdebug);
+}, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
 
-is( $pr_tracks_count, $tracks_count,
-'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)'
-);
-is( $pr_tracks_rs->all, $tracks_rs->all,
-'equal amount of objects returned with and without prefetch over several same level has_many\'s (1 -> M + M)'
-);
 
 #( M -> 1 -> M + M )
 my $note_rs =
@@ -52,32 +43,22 @@ my $pr_note_rs =
 my $tags_rs    = $note_rs->first->cd->tags;
 my $tags_count = $tags_rs->count;
 
-my ( $pr_tags_rs, $pr_tags_count );
-
-$queries = 0;
-$schema->storage->debugcb( sub { $queries++ } );
-$schema->storage->debug(1);
-
-my $m_o_mm_warn;
-{
-    local $SIG{__WARN__} = sub { $m_o_mm_warn = shift };
-    $pr_tags_rs = $pr_note_rs->first->cd->tags;
-};
-$pr_tags_count = $pr_tags_rs->count;
-
-ok( !$m_o_mm_warn,
-'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)'
-);
-
-is( $queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
-$schema->storage->debugcb(undef);
-$schema->storage->debug($sdebug);
-
-is( $pr_tags_count, $tags_count,
-'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)'
-);
-is( $pr_tags_rs->all, $tags_rs->all,
-'equal amount of objects with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)'
-);
+$schema->is_executed_querycount( sub {
+  my $pnr = $pr_note_rs;
+  my $pr_tags_rs;
+
+  warnings_exist {
+    $pr_tags_rs = $pnr->first->cd->tags;
+  } [], 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)';
+
+  is( $pr_tags_rs->count, $tags_count,
+    'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)'
+  );
+  is( $pr_tags_rs->all, $tags_count,
+    'equal amount of objects with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)'
+  );
+
+}, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query' );
+
 
 done_testing;
diff --git a/t/prefetch/one_to_many_to_one.t b/t/prefetch/one_to_many_to_one.t
index 811942e..f79b38e 100644
--- a/t/prefetch/one_to_many_to_one.t
+++ b/t/prefetch/one_to_many_to_one.t
@@ -12,20 +12,14 @@ my $artist = $schema->resultset ('Artist')->find ({artistid => 1});
 is ($artist->cds->count, 3, 'Correct number of CDs');
 is ($artist->cds->search_related ('genre')->count, 1, 'Only one of the cds has a genre');
 
-my $queries = 0;
-my $orig_cb = $schema->storage->debugcb;
-$schema->storage->debugcb(sub { $queries++ });
-$schema->storage->debug(1);
-
-my $pref = $schema->resultset ('Artist')
+$schema->is_executed_querycount( sub {
+  my $pref = $schema->resultset ('Artist')
                      ->search ({ 'me.artistid' => $artist->id }, { prefetch => { cds => 'genre' } })
                       ->next;
 
-is ($pref->cds->count, 3, 'Correct number of CDs prefetched');
-is ($pref->cds->search_related ('genre')->count, 1, 'Only one of the prefetched cds has a prefetched genre');
+  is ($pref->cds->count, 3, 'Correct number of CDs prefetched');
+  is ($pref->cds->search_related ('genre')->count, 1, 'Only one of the prefetched cds has a prefetched genre');
 
-is ($queries, 1, 'All happened within one query only');
-$schema->storage->debugcb($orig_cb);
-$schema->storage->debug(0);
+}, 1, 'All happened within one query only');
 
 done_testing;
diff --git a/t/prefetch/refined_search_on_relation.t b/t/prefetch/refined_search_on_relation.t
index 8a7035c..729dbde 100644
--- a/t/prefetch/refined_search_on_relation.t
+++ b/t/prefetch/refined_search_on_relation.t
@@ -25,11 +25,7 @@ is (
 );
 
 # this still should emit no queries:
-{
-  my $queries = 0;
-  my $orig_debug = $schema->storage->debug;
-  $schema->storage->debugcb(sub { $queries++; });
-  $schema->storage->debug(1);
+$schema->is_executed_querycount( sub {
 
   my $cds = $art->cds;
   is (
@@ -47,10 +43,6 @@ is (
     );
   }
 
-  $schema->storage->debug($orig_debug);
-  $schema->storage->debugcb(undef);
-
-  is ($queries, 0, 'No queries on prefetched operations');
-}
+}, 0, 'No queries on prefetched operations');
 
 done_testing;
diff --git a/t/prefetch/standard.t b/t/prefetch/standard.t
index 26d3354..69574ab 100644
--- a/t/prefetch/standard.t
+++ b/t/prefetch/standard.t
@@ -7,33 +7,26 @@ use lib qw(t/lib);
 use DBICTest;
 
 my $schema = DBICTest->init_schema();
-my $orig_debug = $schema->storage->debug;
 
-my $queries = 0;
-$schema->storage->debugcb(sub { $queries++; });
-$schema->storage->debug(1);
-
-my $search = { 'artist.name' => 'Caterwauler McCrae' };
-my $attr = { prefetch => [ qw/artist liner_notes/ ],
+my $rs;
+$schema->is_executed_querycount( sub {
+  my $search = { 'artist.name' => 'Caterwauler McCrae' };
+  my $attr = { prefetch => [ qw/artist liner_notes/ ],
              order_by => 'me.cdid' };
 
-my $rs = $schema->resultset("CD")->search($search, $attr);
-my @cd = $rs->all;
-
-is($cd[0]->title, 'Spoonful of bees', 'First record returned ok');
+  $rs = $schema->resultset("CD")->search($search, $attr);
+  my @cd = $rs->all;
 
-ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join');
+  is($cd[0]->title, 'Spoonful of bees', 'First record returned ok');
 
-is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN');
+  ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join');
 
-is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class');
+  is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN');
 
-is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok');
+  is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class');
 
-is($queries, 1, 'prefetch ran only 1 select statement');
-
-$schema->storage->debug($orig_debug);
-$schema->storage->debugobj->callback(undef);
+  is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok');
+}, 1, 'prefetch ran only 1 select statement');
 
 # test for partial prefetch via columns attr
 my $cd = $schema->resultset('CD')->find(1,
@@ -42,66 +35,50 @@ my $cd = $schema->resultset('CD')->find(1,
       join => { 'artist' => {} }
     }
 );
-ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column prefetched');
+is( $cd->artist->name, 'Caterwauler McCrae', 'single related column prefetched');
 
 # start test for nested prefetch SELECT count
-$queries = 0;
-$schema->storage->debugcb(sub { $queries++ });
-$schema->storage->debug(1);
-
-$rs = $schema->resultset('Tag')->search(
-  { 'me.tagid' => 1 },
-  {
-    prefetch => { cd => 'artist' }
-  }
-);
-
-my $tag = $rs->first;
+my $tag;
+$schema->is_executed_querycount( sub {
+  $rs = $schema->resultset('Tag')->search(
+    { 'me.tagid' => 1 },
+    {
+      prefetch => { cd => 'artist' }
+    }
+  );
 
-is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' );
+  $tag = $rs->first;
 
-is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch');
+  is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' );
 
-# count the SELECTs
-#$selects++ if /SELECT(?!.*WHERE 1=0.*)/;
-is($queries, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)');
+  is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch');
+}, 1, 'nested prefetch ran exactly 1 select statement');
 
-$queries = 0;
 
-is($tag->search_related('cd')->search_related('artist')->first->name,
+$schema->is_executed_querycount( sub {
+  is($tag->search_related('cd')->search_related('artist')->first->name,
    'Caterwauler McCrae',
    'chained belongs_to->belongs_to search_related ok');
+}, 0, 'chained search_related after belongs_to->belongs_to prefetch ran no queries');
 
-is($queries, 0, 'chained search_related after belontgs_to->belongs_to prefetch ran no queries');
-
-$queries = 0;
-
-$cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' });
 
-is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find');
+$schema->is_executed_querycount( sub {
+  $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' });
 
-is($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
+  is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find');
+}, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
 
-$queries = 0;
+$schema->is_executed_querycount( sub {
+  $cd = $schema->resultset('CD')->find(1, { prefetch => { cd_to_producer => 'producer' }, order_by => 'producer.producerid' });
 
-$schema->storage->debugcb(sub { $queries++; });
+  is($cd->producers->first->name, 'Matt S Trout', 'many_to_many accessor ok');
+}, 1, 'many_to_many accessor with nested prefetch ran exactly 1 query');
 
-$cd = $schema->resultset('CD')->find(1, { prefetch => { cd_to_producer => 'producer' }, order_by => 'producer.producerid' });
+$schema->is_executed_querycount( sub {
+  my $producers = $cd->search_related('cd_to_producer')->search_related('producer');
 
-is($cd->producers->first->name, 'Matt S Trout', 'many_to_many accessor ok');
-
-is($queries, 1, 'many_to_many accessor with nested prefetch ran exactly 1 query');
-
-$queries = 0;
-
-my $producers = $cd->search_related('cd_to_producer')->search_related('producer');
-
-is($producers->first->name, 'Matt S Trout', 'chained many_to_many search_related ok');
-
-is($queries, 0, 'chained search_related after many_to_many prefetch ran no queries');
-
-$schema->storage->debug($orig_debug);
-$schema->storage->debugobj->callback(undef);
+  is($producers->first->name, 'Matt S Trout', 'chained many_to_many search_related ok');
+}, 0, 'chained search_related after many_to_many prefetch ran no queries');
 
 $rs = $schema->resultset('Tag')->search(
   {},
@@ -180,27 +157,22 @@ my $left_join = $schema->resultset('CD')->search(
 
 cmp_ok($left_join, '==', 1, 'prefetch with no join record present');
 
-$queries = 0;
-$schema->storage->debugcb(sub { $queries++ });
-$schema->storage->debug(1);
-
-my $tree_like =
-     $schema->resultset('TreeLike')->find(5,
-       { join     => { parent => { parent => 'parent' } },
+my $tree_like;
+$schema->is_executed_querycount( sub {
+  $tree_like =
+    $schema->resultset('TreeLike')->find(5,
+      { join     => { parent => { parent => 'parent' } },
          prefetch => { parent => { parent => 'parent' } } });
 
-is($tree_like->name, 'quux', 'Bottom of tree ok');
-$tree_like = $tree_like->parent;
-is($tree_like->name, 'baz', 'First level up ok');
-$tree_like = $tree_like->parent;
-is($tree_like->name, 'bar', 'Second level up ok');
-$tree_like = $tree_like->parent;
-is($tree_like->name, 'foo', 'Third level up ok');
+  is($tree_like->name, 'quux', 'Bottom of tree ok');
+  $tree_like = $tree_like->parent;
+  is($tree_like->name, 'baz', 'First level up ok');
+  $tree_like = $tree_like->parent;
+  is($tree_like->name, 'bar', 'Second level up ok');
+  $tree_like = $tree_like->parent;
+  is($tree_like->name, 'foo', 'Third level up ok');
 
-$schema->storage->debug($orig_debug);
-$schema->storage->debugobj->callback(undef);
-
-cmp_ok($queries, '==', 1, 'Only one query run');
+}, 1, 'Only one query run');
 
 $tree_like = $schema->resultset('TreeLike')->search({'me.id' => 2});
 $tree_like = $tree_like->search_related('children')->search_related('children')->search_related('children')->first;
@@ -210,15 +182,15 @@ $tree_like = $schema->resultset('TreeLike')->search_related('children',
     { 'children.id' => 3, 'children_2.id' => 4 },
     { prefetch => { children => 'children' } }
   )->first;
-is(eval { $tree_like->children->first->children->first->name }, 'quux',
+is( $tree_like->children->first->children->first->name, 'quux',
    'Tree search_related with prefetch ok');
 
-$tree_like = eval { $schema->resultset('TreeLike')->search(
+$tree_like = $schema->resultset('TreeLike')->search(
     { 'children.id' => 3, 'children_2.id' => 6 },
     { join => [qw/children children children/] }
   )->search_related('children', { 'children_4.id' => 7 }, { prefetch => 'children' }
-  )->first->children->first; };
-is(eval { $tree_like->name }, 'fong', 'Tree with multiple has_many joins ok');
+  )->first->children->first;
+is( $tree_like->name, 'fong', 'Tree with multiple has_many joins ok');
 
 $rs = $schema->resultset('Artist');
 $rs->create({ artistid => 4, name => 'Unknown singer-songwriter' });
@@ -274,32 +246,24 @@ sub make_hash_struc {
     return $struc;
 }
 
-$queries = 0;
-$schema->storage->debugcb(sub { $queries++ });
-$schema->storage->debug(1);
-
-my $prefetch_result = make_hash_struc($art_rs_pr);
 
-is($queries, 1, 'nested prefetch across has_many->has_many ran exactly 1 query');
-
-my $nonpre_result   = make_hash_struc($art_rs);
+my $prefetch_result;
+$schema->is_executed_querycount( sub {
+  $prefetch_result = make_hash_struc($art_rs_pr);
+}, 1, 'nested prefetch across has_many->has_many ran exactly 1 query');
 
+my $nonpre_result = make_hash_struc($art_rs);
 is_deeply( $prefetch_result, $nonpre_result,
     'Compare 2 level prefetch result to non-prefetch result' );
 
-$queries = 0;
-
-is_deeply(
-  [ sort map { $_->title } $art_rs_pr->search_related('cds')->search_related('tracks')->all ],
-  [ 'Apiary', 'Beehind You', 'Boring Name', 'Boring Song', 'Fowlin', 'Howlin',
-    'No More Ideas', 'Sad', 'Sticky Honey', 'Stripy', 'Stung with Success',
-    'Suicidal', 'The Bees Knees', 'Under The Weather', 'Yowlin' ],
-  'chained has_many->has_many search_related ok'
-);
-
-is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries');
-
-$schema->storage->debug($orig_debug);
-$schema->storage->debugobj->callback(undef);
+$schema->is_executed_querycount( sub {
+  is_deeply(
+    [ sort map { $_->title } $art_rs_pr->search_related('cds')->search_related('tracks')->all ],
+    [ 'Apiary', 'Beehind You', 'Boring Name', 'Boring Song', 'Fowlin', 'Howlin',
+      'No More Ideas', 'Sad', 'Sticky Honey', 'Stripy', 'Stung with Success',
+      'Suicidal', 'The Bees Knees', 'Under The Weather', 'Yowlin' ],
+    'chained has_many->has_many search_related ok'
+  );
+}, 0, 'chained search_related after has_many->has_many prefetch ran no queries');
 
 done_testing;
diff --git a/t/prefetch/via_search_related.t b/t/prefetch/via_search_related.t
index 588b125..f1aa3d0 100644
--- a/t/prefetch/via_search_related.t
+++ b/t/prefetch/via_search_related.t
@@ -9,10 +9,6 @@ use DBICTest;
 
 my $schema = DBICTest->init_schema();
 
-my $queries;
-my $debugcb = sub { $queries++; };
-my $orig_debug = $schema->storage->debug;
-
 lives_ok ( sub {
   my $no_prefetch = $schema->resultset('Track')->search_related(cd =>
     {
@@ -73,16 +69,12 @@ lives_ok ( sub {
 {
   my $cd = $schema->resultset('CD')->search({}, { prefetch => 'cd_to_producer' })->find(1);
 
-  $queries = 0;
-  $schema->storage->debugcb ($debugcb);
-  $schema->storage->debug (1);
-
-  is( $cd->cd_to_producer->count, 3 ,'Count of prefetched m2m links via accessor' );
-  is( scalar $cd->cd_to_producer->all, 3, 'Amount of prefetched m2m link objects via accessor' );
-  is( $cd->search_related('cd_to_producer')->count, 3, 'Count of prefetched m2m links via search_related' );
-  is( scalar $cd->search_related('cd_to_producer')->all, 3, 'Amount of prefetched m2m links via search_related' );
-
-  is($queries, 0, 'No queries ran so far');
+  $schema->is_executed_querycount( sub {
+      is( $cd->cd_to_producer->count, 3 ,'Count of prefetched m2m links via accessor' );
+    is( scalar $cd->cd_to_producer->all, 3, 'Amount of prefetched m2m link objects via accessor' );
+    is( $cd->search_related('cd_to_producer')->count, 3, 'Count of prefetched m2m links via search_related' );
+    is( scalar $cd->search_related('cd_to_producer')->all, 3, 'Amount of prefetched m2m links via search_related' );
+  }, 0, 'No queries ran so far');
 
   is( scalar $cd->cd_to_producer->search_related('producer')->all, 3,
       'Amount of objects via search_related off prefetched linker' );
@@ -97,16 +89,12 @@ lives_ok ( sub {
   is( $cd->producers->count, 3,
       'Count via m2m accessor' );
 
-  $queries = 0;
-
-  is( $cd->cd_to_producer->count, 3 ,'Review count of prefetched m2m links via accessor' );
-  is( scalar $cd->cd_to_producer->all, 3, 'Review amount of prefetched m2m link objects via accessor' );
-  is( $cd->search_related('cd_to_producer')->count, 3, 'Review count of prefetched m2m links via search_related' );
-  is( scalar $cd->search_related('cd_to_producer')->all, 3, 'Rreview amount of prefetched m2m links via search_related' );
-
-  is($queries, 0, 'Still no queries on prefetched linker');
-  $schema->storage->debugcb (undef);
-  $schema->storage->debug ($orig_debug);
+  $schema->is_executed_querycount( sub {
+    is( $cd->cd_to_producer->count, 3 ,'Review count of prefetched m2m links via accessor' );
+    is( scalar $cd->cd_to_producer->all, 3, 'Review amount of prefetched m2m link objects via accessor' );
+    is( $cd->search_related('cd_to_producer')->count, 3, 'Review count of prefetched m2m links via search_related' );
+    is( scalar $cd->search_related('cd_to_producer')->all, 3, 'Rreview amount of prefetched m2m links via search_related' );
+  }, 0, 'Still no queries on prefetched linker');
 }
 
 # tests with distinct => 1
@@ -169,21 +157,18 @@ lives_ok (sub {
     is($rs->all, 1, 'distinct with prefetch (objects)');
     is($rs->count, 1, 'distinct with prefetch (count)');
 
-    $queries = 0;
-    $schema->storage->debugcb ($debugcb);
-    $schema->storage->debug (1);
+    local $TODO = "This makes another 2 trips to the database, it can't be right";
+    $schema->is_executed_querycount( sub {
 
-    # artist -> 2 cds -> 2 genres -> 2 cds for each genre + distinct = 2
-    is($rs->search_related('cds')->all, 2, 'prefetched distinct with prefetch (objects)');
-    is($rs->search_related('cds')->count, 2, 'prefetched distinct with prefetch (count)');
+      # the is() calls are not todoified
+      local $TODO;
 
-    {
-      local $TODO = "This makes another 2 trips to the database, it can't be right";
-      is ($queries, 0, 'No extra queries fired (prefetch survives search_related)');
-    }
+      # artist -> 2 cds -> 2 genres -> 2 cds for each genre + distinct = 2
+      is($rs->search_related('cds')->all, 2, 'prefetched distinct with prefetch (objects)');
+      is($rs->search_related('cds')->count, 2, 'prefetched distinct with prefetch (count)');
+
+    }, 0, 'No extra queries fired (prefetch survives search_related)');
 
-    $schema->storage->debugcb (undef);
-    $schema->storage->debug ($orig_debug);
 }, 'distinct generally works with prefetch on deep search_related chains');
 
 # pathological "user knows what they're doing" case
diff --git a/t/relationship/core.t b/t/relationship/core.t
index e86dfc6..504993d 100644
--- a/t/relationship/core.t
+++ b/t/relationship/core.t
@@ -8,7 +8,6 @@ use DBICTest;
 use DBIC::SqlMakerTest;
 
 my $schema = DBICTest->init_schema();
-my $sdebug = $schema->storage->debug;
 
 # has_a test
 my $cd = $schema->resultset("CD")->find(4);
@@ -33,17 +32,14 @@ $artist->create_related( 'cds', {
 my $big_flop_cd = ($artist->search_related('cds'))[3];
 is( $big_flop_cd->title, 'Big Flop', 'create_related ok' );
 
-{ # make sure we are not making pointless select queries when a FK IS NULL
-  my $queries = 0;
-  $schema->storage->debugcb(sub { $queries++; });
-  $schema->storage->debug(1);
+# make sure we are not making pointless select queries when a FK IS NULL
+$schema->is_executed_querycount( sub {
   $big_flop_cd->genre; #should not trigger a select query
-  is($queries, 0, 'No SELECT made for belongs_to if key IS NULL');
+},  0, 'No SELECT made for belongs_to if key IS NULL');
+
+$schema->is_executed_querycount( sub {
   $big_flop_cd->genre_inefficient; #should trigger a select query
-  is($queries, 1, 'SELECT made for belongs_to if key IS NULL when undef_on_null_fk disabled');
-  $schema->storage->debug($sdebug);
-  $schema->storage->debugcb(undef);
-}
+}, 1, 'SELECT made for belongs_to if key IS NULL when undef_on_null_fk disabled');
 
 my( $rs_from_list ) = $artist->search_related_rs('cds');
 isa_ok( $rs_from_list, 'DBIx::Class::ResultSet', 'search_related_rs in list context returns rs' );
diff --git a/t/relationship/update_or_create_multi.t b/t/relationship/update_or_create_multi.t
index dd022a1..040baf7 100644
--- a/t/relationship/update_or_create_multi.t
+++ b/t/relationship/update_or_create_multi.t
@@ -9,7 +9,6 @@ use DBICTest;
 use DBIC::SqlMakerTest;
 
 my $schema = DBICTest->init_schema();
-my $sdebug = $schema->storage->debug;
 
 my $artist = $schema->resultset ('Artist')->find(1);
 
@@ -79,28 +78,30 @@ throws_ok {
 # expect a create, after a failed search using *only* the
 # *current* relationship and the unique column constraints
 # (so no year)
-my @sql;
-$schema->storage->debugcb(sub { push @sql, $_[1] });
-$schema->storage->debug (1);
-
-$genre->update_or_create_related ('cds', {
-  title => 'the best thing since vertical toasters',
-  artist => $artist,
-  year => 2012,
-});
-
-$schema->storage->debugcb(undef);
-$schema->storage->debug ($sdebug);
-
-my ($search_sql) = $sql[0] =~ /^(SELECT .+?)\:/;
-is_same_sql (
-  $search_sql,
-  'SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
-    FROM cd me
-    WHERE ( me.artist = ? AND me.genreid = ? AND me.title = ? )
-  ',
-  'expected select issued',
-);
+$schema->is_executed_sql_bind( sub {
+  $genre->update_or_create_related ('cds', {
+    title => 'the best thing since vertical toasters',
+    artist => $artist,
+    year => 2012,
+  });
+}, [
+  [
+    'SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
+        FROM cd me
+      WHERE ( me.artist = ? AND me.genreid = ? AND me.title = ? )
+    ',
+    1,
+    2,
+    "the best thing since vertical toasters",
+  ],
+  [
+    'INSERT INTO cd ( artist, genreid, title, year) VALUES ( ?, ?, ?, ? )',
+    1,
+    2,
+    "the best thing since vertical toasters",
+    2012,
+  ],
+], 'expected select issued' );
 
 # a has_many search without a unique constraint makes no sense
 # but I am not sure what to test for - leaving open
diff --git a/t/resultset/as_subselect_rs.t b/t/resultset/as_subselect_rs.t
index c0f8110..250785c 100644
--- a/t/resultset/as_subselect_rs.t
+++ b/t/resultset/as_subselect_rs.t
@@ -40,8 +40,6 @@ is_same_sql_bind (
   'Resultset-class attributes do not seep outside of the subselect',
 );
 
-$schema->storage->debug(1);
-
 is_same_sql_bind(
   $schema->resultset('CD')->search ({}, {
     rows => 2,
@@ -70,5 +68,4 @@ is_same_sql_bind(
   [ [{ sqlt_datatype => 'integer' } => 2 ] ],
 );
 
-
 done_testing;