From: Rob Kinyon Date: Fri, 6 Mar 2009 15:30:08 +0000 (+0000) Subject: Broke up the prefetch tests into their own directory X-Git-Tag: v0.08240~47 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e9bd1473080b4aaf94e2be97329d74703d41a353;p=dbsrgits%2FDBIx-Class.git Broke up the prefetch tests into their own directory --- diff --git a/t/prefetch/attrs_untouched.t b/t/prefetch/attrs_untouched.t new file mode 100644 index 0000000..1742770 --- /dev/null +++ b/t/prefetch/attrs_untouched.t @@ -0,0 +1,46 @@ +use warnings; + +use Test::More; +use Test::Exception; +use lib qw(t/lib); +use DBICTest; +use Data::Dumper; + +my $schema = DBICTest->init_schema(); + +my $orig_debug = $schema->storage->debug; + +use IO::File; + +BEGIN { + eval "use DBD::SQLite"; + plan $@ + ? ( skip_all => 'needs DBD::SQLite for testing' ) + : ( tests => 3 ); +} + +# figure out if we've got a version of sqlite that is older than 3.2.6, in +# which case COUNT(DISTINCT()) doesn't work +my $is_broken_sqlite = 0; +my ($sqlite_major_ver,$sqlite_minor_ver,$sqlite_patch_ver) = + split /\./, $schema->storage->dbh->get_info(18); +if( $schema->storage->dbh->get_info(17) eq 'SQLite' && + ( ($sqlite_major_ver < 3) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver < 2) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver == 2 && $sqlite_patch_ver < 6) ) ) { + $is_broken_sqlite = 1; +} + +# bug in 0.07000 caused attr (join/prefetch) to be modifed by search +# so we check the search & attr arrays are not modified +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, $attr); + +is(Dumper($search), $search_str, 'Search hash untouched after search()'); +is(Dumper($attr), $attr_str, 'Attribute hash untouched after search()'); +cmp_ok($rs + 0, '==', 3, 'Correct number of records returned'); diff --git a/t/prefetch/multiple_hasmany.t b/t/prefetch/multiple_hasmany.t new file mode 100644 index 0000000..6ef7a53 --- /dev/null +++ b/t/prefetch/multiple_hasmany.t @@ -0,0 +1,130 @@ +use strict; +use warnings; + +use Test::More; +use Test::Exception; +use lib qw(t/lib); +use DBICTest; +use Data::Dumper; + +my $schema = DBICTest->init_schema(); + +my $orig_debug = $schema->storage->debug; + +use IO::File; + +BEGIN { + eval "use DBD::SQLite"; + plan $@ + ? ( skip_all => 'needs DBD::SQLite for testing' ) + : ( tests => 16 ); +} + +# figure out if we've got a version of sqlite that is older than 3.2.6, in +# which case COUNT(DISTINCT()) doesn't work +my $is_broken_sqlite = 0; +my ($sqlite_major_ver,$sqlite_minor_ver,$sqlite_patch_ver) = + split /\./, $schema->storage->dbh->get_info(18); +if( $schema->storage->dbh->get_info(17) eq 'SQLite' && + ( ($sqlite_major_ver < 3) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver < 2) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver == 2 && $sqlite_patch_ver < 6) ) ) { + $is_broken_sqlite = 1; +} + +# once the following TODO is complete, remove the 2 warning tests immediately +# after the TODO block +# (the TODO block itself contains tests ensuring that the warns are removed) +TODO: { + local $TODO = 'Prefetch of multiple has_many rels at the same level (currently warn to protect the clueless git)'; + + #( 1 -> M + M ) + my $cd_rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }); + 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); + + my $queries = 0; + $schema->storage->debugcb(sub { $queries++ }); + $schema->storage->debug(1); + + 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; + + ok(! $o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)'); + + is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query'); + is($pr_tracks_count, $tracks_count, 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)'); + + for ($pr_tracks_rs, $tracks_rs) { + $_->result_class ('DBIx::Class::ResultClass::HashRefInflator'); + } + + is_deeply ([$pr_tracks_rs->all], [$tracks_rs->all], 'same structure returned with and without prefetch over several same level has_many\'s (1 -> M + M)'); + + #( M -> 1 -> M + M ) + my $note_rs = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }); + my $pr_note_rs = $note_rs->search ({}, { + prefetch => { + cd => [qw/tags tracks/] + }, + }); + + 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'); + + is($pr_tags_count, $tags_count, 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)'); + + for ($pr_tags_rs, $tags_rs) { + $_->result_class ('DBIx::Class::ResultClass::HashRefInflator'); + } + + is_deeply ([$pr_tags_rs->all], [$tags_rs->all], 'same structure returned with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)'); +} + +# remove this closure once the TODO above is working +my $w; +{ + local $SIG{__WARN__} = sub { $w = shift }; + + my $rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }, { prefetch => [qw/tracks tags/] }); + for (qw/all count next first/) { + undef $w; + my @stuff = $rs->search()->$_; + like ($w, qr/will currently disrupt both the functionality of .rs->count\(\), and the amount of objects retrievable via .rs->next\(\)/, + "warning on ->$_ attempt prefetching several same level has_manys (1 -> M + M)"); + } + my $rs2 = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }, { prefetch => { cd => [qw/tags tracks/] } }); + for (qw/all count next first/) { + undef $w; + my @stuff = $rs2->search()->$_; + like ($w, qr/will currently disrupt both the functionality of .rs->count\(\), and the amount of objects retrievable via .rs->next\(\)/, + "warning on ->$_ attempt prefetching several same level has_manys (M -> 1 -> M + M)"); + } +} diff --git a/t/prefetch/pollute_already_joined.t b/t/prefetch/pollute_already_joined.t new file mode 100644 index 0000000..035aa5b --- /dev/null +++ b/t/prefetch/pollute_already_joined.t @@ -0,0 +1,75 @@ +use strict; +use warnings; + +use Test::More; +use Test::Exception; +use lib qw(t/lib); +use DBICTest; +use Data::Dumper; + +my $schema = DBICTest->init_schema(); + +my $orig_debug = $schema->storage->debug; + +use IO::File; + +BEGIN { + eval "use DBD::SQLite"; + plan $@ + ? ( skip_all => 'needs DBD::SQLite for testing' ) + : ( tests => 10 ); +} + +# figure out if we've got a version of sqlite that is older than 3.2.6, in +# which case COUNT(DISTINCT()) doesn't work +my $is_broken_sqlite = 0; +my ($sqlite_major_ver,$sqlite_minor_ver,$sqlite_patch_ver) = + split /\./, $schema->storage->dbh->get_info(18); +if( $schema->storage->dbh->get_info(17) eq 'SQLite' && + ( ($sqlite_major_ver < 3) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver < 2) || + ($sqlite_major_ver == 3 && $sqlite_minor_ver == 2 && $sqlite_patch_ver < 6) ) ) { + $is_broken_sqlite = 1; +} + +# A search() with prefetch seems to pollute an already joined resultset +# in a way that offsets future joins (adapted from a test case by Debolaz) +{ + my ($cd_rs, $attrs); + + # test a real-life case - rs is obtained by an implicit m2m join + $cd_rs = $schema->resultset ('Producer')->first->cds; + $attrs = Dumper $cd_rs->{attrs}; + + $cd_rs->search ({})->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after a simple search'); + + lives_ok (sub { + $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after search with prefetch'); + }, 'first prefetching search ok'); + + lives_ok (sub { + $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after another search with prefetch') + }, 'second prefetching search ok'); + + + # test a regular rs with an empty seen_join injected - it should still work! + $cd_rs = $schema->resultset ('CD'); + $cd_rs->{attrs}{seen_join} = {}; + $attrs = Dumper $cd_rs->{attrs}; + + $cd_rs->search ({})->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after a simple search'); + + lives_ok (sub { + $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after search with prefetch'); + }, 'first prefetching search ok'); + + lives_ok (sub { + $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all; + is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after another search with prefetch') + }, 'second prefetching search ok'); +} diff --git a/t/98rows_prefetch.t b/t/prefetch/rows_bug.t similarity index 98% rename from t/98rows_prefetch.t rename to t/prefetch/rows_bug.t index 1b19f3e..821c84e 100644 --- a/t/98rows_prefetch.t +++ b/t/prefetch/rows_bug.t @@ -10,7 +10,6 @@ use DBICTest; plan $@ ? (skip_all => 'needs DBD::SQLite for testing') : (tests => 2); my $schema = DBICTest->init_schema(); -$schema->storage->debug(1); my $no_prefetch = $schema->resultset('Artist')->search( undef, { rows => 3 } diff --git a/t/77prefetch.t b/t/prefetch/standard.t similarity index 97% rename from t/77prefetch.t rename to t/prefetch/standard.t index 2b8fb90..c25e010 100644 --- a/t/77prefetch.t +++ b/t/prefetch/standard.t @@ -17,7 +17,7 @@ BEGIN { eval "use DBD::SQLite"; plan $@ ? ( skip_all => 'needs DBD::SQLite for testing' ) - : ( tests => 74 ); + : ( tests => 45 ); } # figure out if we've got a version of sqlite that is older than 3.2.6, in @@ -36,6 +36,13 @@ 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/ ], + 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');