X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fprefetch%2Fstandard.t;h=69574ab6af34cdeaadc855d23e8059a4f9971866;hb=wip%2Fwhere_relattr_tests;hp=72426eecce06e819be4c1f5df4dfb452ef159d6d;hpb=8bcbe2394589c26267f2d87ef70a5b4313cf120f;p=dbsrgits%2FDBIx-Class.git diff --git a/t/prefetch/standard.t b/t/prefetch/standard.t index 72426ee..69574ab 100644 --- a/t/prefetch/standard.t +++ b/t/prefetch/standard.t @@ -5,109 +5,80 @@ use Test::More; use Test::Exception; use lib qw(t/lib); use DBICTest; -use Data::Dumper; -use IO::File; my $schema = DBICTest->init_schema(); -my $orig_debug = $schema->storage->debug; -plan tests => 44; - -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 $search_str = Dumper($search); -my $attr_str = Dumper($attr); - -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, { - columns => [qw/title artist artist.name/], + columns => [qw/title artist artist.name/], 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( - {}, - { - 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 = $schema->resultset('CD')->find(1, { prefetch => { cd_to_producer => 'producer' } }); +$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( {}, @@ -152,10 +123,11 @@ $rs = $schema->resultset("CD")->search( cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" ); -$rs = $schema->resultset("Artist")->search( - {}, - { join => [qw/ cds /], group_by => [qw/ me.name /], having =>{ 'MAX(cds.cdid)'=> \'< 5' } } -); +$rs = $schema->resultset("Artist")->search({}, { + join => [qw/ cds /], + group_by => [qw/ me.name /], + having => \[ 'MAX(cds.cdid) < ?', [ \'int' => 5 ] ], +}); cmp_ok( $rs->all, '==', 2, "results ok after group_by on related column with a having" ); @@ -185,27 +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; @@ -215,15 +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 { $schema->resultset('TreeLike')->search( - { 'children.id' => 3, 'children_2.id' => 6 }, +$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' }); @@ -231,6 +198,13 @@ $rs->create({ artistid => 5, name => 'Emo 4ever' }); @artists = $rs->search(undef, { prefetch => 'cds', order_by => 'artistid' }); is(scalar @artists, 5, 'has_many prefetch with adjacent empty rows ok'); +lives_ok { @artists = $rs->search(undef, { + join => ['cds'], + prefetch => [], + rows => 20, + }); +} 'join and empty prefetch ok'; + # ------------- # # Tests for multilevel has_many prefetch @@ -257,6 +231,11 @@ sub make_hash_struc { my $rs = shift; my $struc = {}; + # all of these ought to work, but do not for some reason + # a noop cloning search() pollution? + #foreach my $art ( $rs->search({}, { order_by => 'me.artistid' })->all ) { + #foreach my $art ( $rs->search({}, {})->all ) { + #foreach my $art ( $rs->search()->all ) { foreach my $art ( $rs->all ) { foreach my $cd ( $art->cds ) { foreach my $track ( $cd->tracks ) { @@ -267,27 +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($art_rs_pr->search_related('cds')->search_related('tracks')->first->title, - 'Fowlin', - 'chained has_many->has_many search_related ok' +$schema->is_executed_querycount( sub { + is_deeply( + [ sort map { $_->title } $art_rs_pr->search_related('cds')->search_related('tracks')->all ], + [ 'Apiary', 'Beehind You', 'Boring Name', 'Boring Song', 'Fowlin', 'Howlin', + 'No More Ideas', 'Sad', 'Sticky Honey', 'Stripy', 'Stung with Success', + 'Suicidal', 'The Bees Knees', 'Under The Weather', 'Yowlin' ], + 'chained has_many->has_many search_related ok' ); +}, 0, 'chained search_related after has_many->has_many prefetch ran no queries'); -is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries'); - -$schema->storage->debug($orig_debug); -$schema->storage->debugobj->callback(undef); +done_testing;