Add is_ordered to DBIC::ResultSet

[dbsrgits/DBIx-Class.git] / t / resultset / is_ordered.t

diff --git a/t/resultset/is_ordered.t b/t/resultset/is_ordered.t
new file mode 100644 (file)
index 0000000..bab58d0
--- /dev/null
+++ b/t/resultset/is_ordered.t
@@ -0,0 +1,90 @@
+use strict;
+use warnings;
+
+use lib qw(t/lib);
+use Test::More;
+use Test::Exception;
+use DBICTest;
+
+my $schema = DBICTest->init_schema();
+my $rs = $schema->resultset('Artist');
+
+ok !$rs->is_ordered, 'vanilla resultset is not ordered';
+
+# Simple ordering with a single column
+{
+  my $ordered = $rs->search(undef, { order_by => 'artistid' });
+  ok $ordered->is_ordered, 'Simple column ordering detected by is_ordered';
+}
+
+# Hashref order direction
+{
+  my $ordered = $rs->search(undef, { order_by => { -desc => 'artistid' } });
+  ok $ordered->is_ordered, 'resultset with order direction is_ordered';
+}
+
+# Column ordering with literal SQL
+{
+  my $ordered = $rs->search(undef, { order_by => \'artistid DESC' });
+  ok $ordered->is_ordered, 'resultset with literal SQL is_ordered';
+}
+
+# Multiple column ordering
+{
+  my $ordered = $rs->search(undef, { order_by => ['artistid', 'name'] });
+  ok $ordered->is_ordered, 'ordering with multiple columns as arrayref is ordered';
+}
+
+# More complicated ordering
+{
+  my $ordered = $rs->search(undef, { 
+    order_by => [
+      { -asc => 'artistid' }, 
+      { -desc => 'name' },
+    ] 
+  });
+  ok $ordered->is_ordered, 'more complicated resultset ordering is_ordered';
+}
+
+# Empty multi-column ordering arrayref
+{
+  my $ordered = $rs->search(undef, { order_by => [] });
+  ok !$ordered->is_ordered, 'ordering with empty arrayref is not ordered';
+}
+
+# Multi-column ordering syntax with empty hashref
+{
+  my $ordered = $rs->search(undef, { order_by => [{}] });
+  ok !$ordered->is_ordered, 'ordering with [{}] is not ordered';
+}
+
+# Remove ordering after being set
+{
+  my $ordered = $rs->search(undef, { order_by => 'artistid' });
+  ok $ordered->is_ordered, 'resultset with ordering applied works..';
+  my $unordered = $ordered->search(undef, { order_by => undef });
+  ok !$unordered->is_ordered, '..and is not ordered with ordering removed';
+}
+
+# Search without ordering
+{
+  my $ordered = $rs->search({ name => 'We Are Goth' }, { join => 'cds' });
+  ok !$ordered->is_ordered, 'WHERE clause but no order_by is not ordered';
+}
+
+# Other functions without ordering
+{
+  # Join
+  my $joined = $rs->search(undef, { join => 'cds' });
+  ok !$joined->is_ordered, 'join but no order_by is not ordered';
+
+  # Group By
+  my $grouped = $rs->search(undef, { group_by => 'rank' });
+  ok !$grouped->is_ordered, 'group_by but no order_by is not ordered';
+
+  # Paging
+  my $paged = $rs->search(undef, { page=> 5 });
+  ok !$paged->is_ordered, 'paging but no order_by is not ordered';
+}
+
+done_testing;