added reference implementation of DBIx::Class::Manual::Example

[dbsrgits/DBIx-Class.git] / t / 76joins.t

diff --git a/t/76joins.t b/t/76joins.t
index b807f8f..1033b53 100644 (file)
--- a/t/76joins.t
+++ b/t/76joins.t
@@ -4,16 +4,19 @@ use warnings;
 use Test::More;
 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 => 47 );
+        : ( tests => 49 );
 }
 
 # figure out if we've got a version of sqlite that is older than 3.2.6, in
@@ -131,17 +134,22 @@ cmp_ok( $rs->count, '==', 1, "Single record in resultset");
 
 is($rs->first->name, 'We Are Goth', 'Correct record returned');
 
-$rs = $schema->resultset("CD")->search(
-           { 'artist.name' => 'Caterwauler McCrae' },
-           { prefetch => [ qw/artist liner_notes/ ],
-             order_by => 'me.cdid' });
+# 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);
 
+$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');
 
 my $queries = 0;
 $schema->storage->debugcb(sub { $queries++ });
-
-$queries = 0;
 $schema->storage->debug(1);
 
 my @cd = $rs->all;
@@ -158,7 +166,8 @@ is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on
 
 is($queries, 1, 'prefetch ran only 1 select statement');
 
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
 
 # test for partial prefetch via columns attr
 my $cd = $schema->resultset('CD')->find(1,
@@ -171,6 +180,7 @@ ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column pr
 
 # start test for nested prefetch SELECT count
 $queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
 $schema->storage->debug(1);
 
 $rs = $schema->resultset('Tag')->search(
@@ -198,7 +208,8 @@ is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetch
 
 is($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
 
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
 
 $rs = $schema->resultset('Tag')->search(
   {},
@@ -276,6 +287,7 @@ SKIP: {
 is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned");
 
 $queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
 $schema->storage->debug(1);
 
 my $tree_like =
@@ -291,7 +303,8 @@ is($tree_like->name, 'bar', 'Second level up ok');
 $tree_like = $tree_like->parent;
 is($tree_like->name, 'foo', 'Third level up ok');
 
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
 
 cmp_ok($queries, '==', 1, 'Only one query run');
 
@@ -299,14 +312,19 @@ $tree_like = $schema->resultset('TreeLike')->search({'me.id' => 1});
 $tree_like = $tree_like->search_related('children')->search_related('children')->search_related('children')->first;
 is($tree_like->name, 'quux', 'Tree search_related ok');
 
-$tree_like = $schema->resultset('TreeLike')->search({ 'children.id' => 2 });
-$tree_like = $tree_like->search_related('children', undef, { prefetch => { children => 'children' } })->first;
-is($tree_like->children->first->name, 'baz', 'Tree search_related with prefetch ok');
+$tree_like = $schema->resultset('TreeLike')->search_related('children',
+    { 'children.id' => 2, 'children_2.id' => 3 },
+    { prefetch => { children => 'children' } }
+  )->first;
+is(eval { $tree_like->children->first->children->first->name }, 'quux',
+   'Tree search_related with prefetch ok');
 
-$tree_like = $schema->resultset('TreeLike')->search(
+$tree_like = eval { $schema->resultset('TreeLike')->search(
     { 'children.id' => 2, 'children_2.id' => 5 }, 
-    { join => [qw/children children/] })->first;
-is($tree_like->name, 'foo', 'Tree with multiple has_many joins ok');
+    { join => [qw/children children/] }
+  )->search_related('children', { 'children_4.id' => 6 }, { prefetch => 'children' }
+  )->first->children->first; };
+is(eval { $tree_like->name }, 'fong', 'Tree with multiple has_many joins ok');
 
 # test that collapsed joins don't get a _2 appended to the alias
 
@@ -321,6 +339,7 @@ eval {
   })->search_related('tracks')->first;
 };
 
-like( $sql, qr/^SELECT tracks.trackid/, "collapsed join didn't add _2 to alias" );
+like( $sql, qr/^SELECT tracks_2\.trackid/, "join not collapsed for search_related" );
 
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);