attempt to fix weird overload '0+' bug, modify tests to make sure it works

[dbsrgits/DBIx-Class.git] / t / run / 16joins.tl

diff --git a/t/run/16joins.tl b/t/run/16joins.tl
index 5307067..8c8378b 100644 (file)
--- a/t/run/16joins.tl
+++ b/t/run/16joins.tl
@@ -7,7 +7,19 @@ BEGIN {
     eval "use DBD::SQLite";
     plan $@
         ? ( skip_all => 'needs DBD::SQLite for testing' )
-        : ( tests => 40 );
+        : ( tests => 41 );
+}
+
+# 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;
 }
 
 # test the abstract join => SQL generator
@@ -61,7 +73,7 @@ my $rs = $schema->resultset("CD")->search(
                          ] ] }
          );
 
-cmp_ok( $rs->count, '==', 1, "Single record in resultset");
+cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
 
 is($rs->first->title, 'Forkful of bees', 'Correct record returned');
 
@@ -69,7 +81,7 @@ $rs = $schema->resultset("CD")->search(
            { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
            { join => 'artist' });
 
-cmp_ok( $rs->count, '==', 1, "Single record in resultset");
+cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
 
 is($rs->first->title, 'Forkful of bees', 'Correct record returned');
 
@@ -78,7 +90,7 @@ $rs = $schema->resultset("CD")->search(
              'liner_notes.notes' => 'Kill Yourself!' },
            { join => [ qw/artist liner_notes/ ] });
 
-cmp_ok( $rs->count, '==', 1, "Single record in resultset");
+cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
 
 is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned');
 
@@ -102,7 +114,7 @@ $rs = $schema->resultset("CD")->search(
            { prefetch => [ qw/artist liner_notes/ ],
              order_by => 'me.cdid' });
 
-cmp_ok($rs->count, '==', 3, 'Correct number of records returned');
+cmp_ok($rs + 0, '==', 3, 'Correct number of records returned');
 
 # start test for prefetch SELECT count
 unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
@@ -132,6 +144,15 @@ $trace->close;
 unlink 't/var/dbic.trace';
 is($selects, 1, 'prefetch ran only 1 select statement');
 
+# test for partial prefetch via cols attr
+my $cd = $schema->resultset('CD')->find(1,
+    {
+      cols => [qw/title artist.name/], 
+      join => 'artist'
+    }
+);
+ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column prefetched');
+
 # start test for nested prefetch SELECT count
 unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
 DBI->trace(1, 't/var/dbic.trace');
@@ -165,7 +186,7 @@ is($selects, 1, 'nested prefetch ran exactly 1 select statement (excluding colum
 unlink 't/var/dbic.trace' if -e 't/var/dbic.trace';
 DBI->trace(1, 't/var/dbic.trace');
 
-my $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' });
+$cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' });
 
 is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find');
 
@@ -213,7 +234,11 @@ $rs = $schema->resultset("CD")->search(
   { group_by => [qw/ title me.cdid /] }
 );
 
-cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" );
+SKIP: {
+    skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
+        if $is_broken_sqlite;
+    cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" );
+}
 
 cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" );
 
@@ -222,7 +247,11 @@ $rs = $schema->resultset("CD")->search(
   { join => [qw/ artist /], group_by => [qw/ artist.name /] }
 );
 
-cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" );
+SKIP: {
+    skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
+        if $is_broken_sqlite;
+    cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" );
+}
 
 cmp_ok( scalar $rs->all, '==', 3, "all() returns same count as count() after group_by on related column" );
 
@@ -231,7 +260,12 @@ $rs = $schema->resultset("Artist")->search(
           'cds_2.title' => 'Forkful of bees' },
         { join => [ 'cds', 'cds' ] });
 
-cmp_ok($rs->count, '==', 1, "single artist returned from multi-join");
+SKIP: {
+    skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
+        if $is_broken_sqlite;
+    cmp_ok($rs->count, '==', 1, "single artist returned from multi-join");
+}
+
 is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned");
 
 my $queries;