Retire DBIC/SqlMakerTest.pm now that SQLA::Test provides the same function

[dbsrgits/DBIx-Class.git] / t / count / distinct.t

diff --git a/t/count/distinct.t b/t/count/distinct.t
index 62afa8d..e916ab9 100644 (file)
--- a/t/count/distinct.t
+++ b/t/count/distinct.t
@@ -1,20 +1,15 @@
 use strict;
-use warnings;  
+use warnings;
 
 use Test::More;
 use Test::Exception;
 
 use lib qw(t/lib);
 
-use DBICTest;
-use DBIC::SqlMakerTest;
+use DBICTest ':DiffSQL';
 
 my $schema = DBICTest->init_schema();
 
-eval "use DBD::SQLite";
-plan skip_all => 'needs DBD::SQLite for testing' if $@;
-plan tests => 18;
-
 # The tag Blue is assigned to cds 1 2 3 and 5
 # The tag Cheesy is assigned to cds 2 4 and 5
 #
@@ -23,60 +18,157 @@ plan tests => 18;
 my $rs;
 my $in_rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] });
 
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' });
-is($rs->count, 4, 'Count without DISTINCT');
+for my $get_count (
+  sub { shift->count },
+  sub { my $crs = shift->count_rs; isa_ok ($crs, 'DBIx::Class::ResultSetColumn'); $crs->next }
+) {
+  $rs = $schema->resultset('Tag')->search({ tag => 'Blue' });
+  is($get_count->($rs), 4, 'Count without DISTINCT');
+
+  $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'tag' });
+  is($get_count->($rs), 2, 'Count with single column group_by');
+
+  $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'cd' });
+  is($get_count->($rs), 5, 'Count with another single column group_by');
+
+  $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { group_by => [ qw/tag cd/ ]});
+  is($get_count->($rs), 4, 'Count with multiple column group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with single column group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 });
+  is($get_count->($rs), 4, 'Count with single column distinct');
 
-$rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'cd' });
-is($rs->count, 5, 'Count with another single column group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } });
+  is($get_count->($rs), 7, 'Count with IN subquery');
 
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { group_by => [ qw/tag cd/ ]});
-is($rs->count, 4, 'Count with multiple column group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' });
+  is($get_count->($rs), 2, 'Count with IN subquery with outside group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 });
-is($rs->count, 4, 'Count with single column distinct');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 });
+  is($get_count->($rs), 7, 'Count with IN subquery with outside distinct');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }),
+  is($get_count->($rs), 2, 'Count with IN subquery with outside distinct on a single column');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with IN subquery with outside group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } });
+  is($get_count->($rs), 7, 'Count with IN subquery with single group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 });
-is($rs->count, 7, 'Count with IN subquery with outside distinct');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'cd' })->get_column('tag')->as_query } });
+  is($get_count->($rs), 7, 'Count with IN subquery with another single group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }), 
-is($rs->count, 2, 'Count with IN subquery with outside distinct on a single column');
+  $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => [ qw/tag cd/ ] })->get_column('tag')->as_query } });
+  is($get_count->($rs), 7, 'Count with IN subquery with multiple group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with single group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" });
+  is($get_count->($rs), 4, 'Count without DISTINCT, using literal SQL');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'cd' })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with another single group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'tag' });
+  is($get_count->($rs), 2, 'Count with literal SQL and single group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => [ qw/tag cd/ ] })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with multiple group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'cd' });
+  is($get_count->($rs), 5, 'Count with literal SQL and another single group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" });
-is($rs->count, 4, 'Count without DISTINCT, using literal SQL');
+  $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => [ qw/tag cd/ ] });
+  is($get_count->($rs), 7, 'Count with literal SQL and multiple group_by');
 
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with literal SQL and single group_by');
+  $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { '+select' => { max => 'tagid' }, distinct => 1 });
+  is($get_count->($rs), 4, 'Count with +select aggreggate');
 
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'cd' });
-is($rs->count, 5, 'Count with literal SQL and another single group_by');
+  $rs = $schema->resultset('Tag')->search({}, { select => [\'length(me.tag)'], distinct => 1 });
+  is($get_count->($rs), 3, 'Count by distinct function result as select literal');
+}
+
+throws_ok(
+  sub { my $row = $schema->resultset('Tag')->search({}, { select => { distinct => [qw/tag cd/] } })->first },
+  qr/\Qselect => { distinct => ... } syntax is not supported for multiple columns/,
+  'throw on unsupported syntax'
+);
 
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => [ qw/tag cd/ ] });
-is($rs->count, 7, 'Count with literal SQL and multiple group_by');
+# make sure distinct+func works
+{
+  my $rs = $schema->resultset('Artist')->search(
+    {},
+    {
+      join => 'cds',
+      distinct => 1,
+      '+select' => [ { count => 'cds.cdid', -as => 'amount_of_cds' } ],
+      '+as' => [qw/num_cds/],
+      order_by => { -desc => 'amount_of_cds' },
+    }
+  );
+
+  is_same_sql_bind (
+    $rs->as_query,
+    '(
+      SELECT me.artistid, me.name, me.rank, me.charfield, COUNT( cds.cdid ) AS amount_of_cds
+        FROM artist me LEFT JOIN cd cds ON cds.artist = me.artistid
+      GROUP BY me.artistid, me.name, me.rank, me.charfield
+      ORDER BY amount_of_cds DESC
+    )',
+    [],
+  );
+
+  is ($rs->next->get_column ('num_cds'), 3, 'Function aliased correctly');
+}
 
-my @warnings;
+# and check distinct has_many join count
 {
-  local $SIG{__WARN__} = sub { push @warnings, shift };
-  my $row = $schema->resultset('Tag')->search({}, { select => { distinct => 'tag' } })->first;
+  my $rs = $schema->resultset('Artist')->search(
+    { 'cds.title' => { '!=', 'fooooo' } },
+    {
+      join => 'cds',
+      distinct => 1,
+      '+select' => [ { count => 'cds.cdid', -as => 'amount_of_cds' } ],
+      '+as' => [qw/num_cds/],
+      order_by => { -desc => 'amount_of_cds' },
+    }
+  );
+
+  is_same_sql_bind (
+    $rs->as_query,
+    '(
+      SELECT me.artistid, me.name, me.rank, me.charfield, COUNT( cds.cdid ) AS amount_of_cds
+        FROM artist me
+        LEFT JOIN cd cds
+          ON cds.artist = me.artistid
+      WHERE cds.title != ?
+      GROUP BY me.artistid, me.name, me.rank, me.charfield
+      ORDER BY amount_of_cds DESC
+    )',
+    [
+      [{
+        sqlt_datatype => 'varchar',
+        dbic_colname => 'cds.title',
+        sqlt_size => 100,
+      } => 'fooooo' ],
+    ],
+  );
+
+  is_same_sql_bind (
+    $rs->count_rs->as_query,
+    '(
+      SELECT COUNT( * )
+        FROM (
+          SELECT me.artistid, me.name, me.rank, me.charfield
+            FROM artist me
+            LEFT JOIN cd cds
+              ON cds.artist = me.artistid
+          WHERE cds.title != ?
+          GROUP BY me.artistid, me.name, me.rank, me.charfield
+        ) me
+    )',
+    [
+      [{
+        sqlt_datatype => 'varchar',
+        dbic_colname => 'cds.title',
+        sqlt_size => 100,
+      } => 'fooooo' ],
+    ],
+  );
+
+  is ($rs->next->get_column ('num_cds'), 3, 'Function aliased correctly');
 }
 
-is(@warnings, 1, 'expecteing warn');
+# These two rely on the database to throw an exception. This might not be the case one day. Please revise.
+dies_ok(sub { my $count = $schema->resultset('Tag')->search({}, { '+select' => \'tagid AS tag_id', distinct => 1 })->count }, 'expecting to die');
 
-dies_ok(sub { my $row = $schema->resultset('Tag')->search({}, { select => { distinct => [qw/tag cd/] } })->first }, 'expecting to die');
+done_testing;