X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F76joins.t;h=a401927e60ae4c50c10f9f98e00ab4a1f2b8c596;hb=03a1819f634ec4859345518ab63fb0db04003e6d;hp=9401502246439686a5a483a1fcd2b25b64e2d111;hpb=907d3b9bba82ddb84bcf7ddb16a353e3c042d81a;p=dbsrgits%2FDBIx-Class.git

diff --git a/t/76joins.t b/t/76joins.t
index 9401502..a401927 100644
--- a/t/76joins.t
+++ b/t/76joins.t
@@ -16,7 +16,7 @@ BEGIN {
     eval "use DBD::SQLite";
     plan $@
         ? ( skip_all => 'needs DBD::SQLite for testing' )
-        : ( tests => 50 );
+        : ( tests => 63 );
 }
 
 # figure out if we've got a version of sqlite that is older than 3.2.6, in
@@ -89,6 +89,26 @@ $match = 'person mother LEFT JOIN (person child RIGHT JOIN person father ON ('
        ;
 is( $sa->_recurse_from(@j4), $match, 'join 4 (nested joins + join types) ok');
 
+my @j5 = (
+    { child => 'person' },
+    [ { father => 'person' }, { 'father.person_id' => \'!= child.father_id' }, ],
+    [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
+);
+$match = 'person child JOIN person father ON ( father.person_id != '
+          . 'child.father_id ) JOIN person mother ON ( mother.person_id '
+          . '= child.mother_id )'
+          ;
+is( $sa->_recurse_from(@j5), $match, 'join 5 (SCALAR reference for ON statement) ok' );
+
+my @j6 = (
+    { child => 'person' },
+    [ { father => 'person' }, { 'father.person_id' => { '!=', '42' } }, ],
+    [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
+);
+$match = qr/^HASH reference arguments are not supported in JOINS - try using "\.\.\." instead/;
+eval { $sa->_recurse_from(@j6) };
+like( $@, $match, 'join 6 (HASH reference for ON statement dies) ok' );
+
 my $rs = $schema->resultset("CD")->search(
            { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
            { from => [ { 'me' => 'cd' },
@@ -149,7 +169,7 @@ is(Dumper($attr), $attr_str, 'Attribute hash untouched after search()');
 cmp_ok($rs + 0, '==', 3, 'Correct number of records returned');
 
 my $queries = 0;
-$schema->storage->debugcb(sub { $queries++ });
+$schema->storage->debugcb(sub { $queries++; });
 $schema->storage->debug(1);
 
 my @cd = $rs->all;
@@ -202,12 +222,42 @@ is($queries, 1, 'nested prefetch ran exactly 1 select statement (excluding colum
 
 $queries = 0;
 
+is($tag->search_related('cd')->search_related('artist')->first->name,
+   'Caterwauler McCrae',
+   'chained belongs_to->belongs_to search_related ok');
+
+is($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');
 
 is($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
 
+$queries = 0;
+
+$schema->storage->debugcb(sub { $queries++; });
+
+$cd = $schema->resultset('CD')->find(1, { prefetch => { cd_to_producer => 'producer' } });
+
+is($cd->producers->first->name, 'Matt S Trout', 'many_to_many accessor ok');
+
+TODO: {
+  local $TODO = 'use prefetched values for many_to_many accessor';
+
+  is($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);
 
@@ -286,6 +336,19 @@ SKIP: {
 
 is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned");
 
+$cd = $schema->resultset('Artist')->first->create_related('cds',
+    {
+    title   => 'Unproduced Single',
+    year    => 2007
+});
+
+my $left_join = $schema->resultset('CD')->search(
+    { 'me.cdid' => $cd->cdid },
+    { prefetch => { cd_to_producer => 'producer' } }
+);
+
+cmp_ok($left_join, '==', 1, 'prefetch with no join record present');
+
 $queries = 0;
 $schema->storage->debugcb(sub { $queries++ });
 $schema->storage->debug(1);
@@ -344,6 +407,12 @@ like( $sql, qr/^SELECT tracks_2\.trackid/, "join not collapsed for search_relate
 $schema->storage->debug($orig_debug);
 $schema->storage->debugobj->callback(undef);
 
+$rs = $schema->resultset('Artist');
+$rs->create({ artistid => 4, name => 'Unknown singer-songwriter' });
+$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');
+
 # -------------
 #
 # Tests for multilevel has_many prefetch
@@ -354,7 +423,8 @@ my $art_rs_pr = $art_rs->search(
     {},
     {
         join     => [ { cds => ['tracks'] } ],
-        prefetch => [ { cds => ['tracks'] } ]
+        prefetch => [ { cds => ['tracks'] } ],
+        cache    => 1 # last test needs this
     }
 );
 
@@ -379,8 +449,24 @@ 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);
 
 is_deeply( $prefetch_result, $nonpre_result,
     'Compare 2 level prefetch result to non-prefetch result' );
+
+$queries = 0;
+
+is($art_rs_pr->search_related('cds')->search_related('tracks')->first->title,
+   'Fowlin',
+   'chained has_many->has_many search_related ok'
+  );
+
+is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries');