From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sun, 18 Nov 2012 20:08:58 +0000 (+0100)
Subject: Rename and expand false-value prefetch test
X-Git-Tag: v0.08205~104
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class.git;a=commitdiff_plain;h=f4e13e1312bfdc2e1f6f0e2dde54779452570e3b

Rename and expand false-value prefetch test
---

diff --git a/TODO_SHORTTERM b/TODO_SHORTTERM
index 434b01f..b4a6899 100644
--- a/TODO_SHORTTERM
+++ b/TODO_SHORTTERM
@@ -7,6 +7,5 @@ bullshit
 will we ever fix it?
 * 461c7168 has two places where it sets a brand new lexical to undef. Please
 remove for the sanity of future maintainers (avoid the "why is this here?!")
-* 571df676 adds a bugs.t - please rename the test to something sensible
 * a48693f4 adds 5 files for a test that may even be the same as that from
 571df676 - please rewrite using the existing schema and delete the rest
diff --git a/t/prefetch/bugs.t b/t/prefetch/bugs.t
deleted file mode 100644
index 0e7f9e1..0000000
--- a/t/prefetch/bugs.t
+++ /dev/null
@@ -1,29 +0,0 @@
-use warnings;
-use strict;
-
-use Test::More;
-
-use lib qw(t/lib);
-use DBICTest;
-
-my $schema = DBICTest->init_schema(
-   no_populate => 1,
-);
-
-$schema->resultset('CD')->create({
-   cdid => 0,
-   artist => {
-      artistid => 0,
-      name => 0,
-      rank => 0,
-      charfield => 0,
-   },
-   title => 0,
-   year => 0,
-   genreid => 0,
-   single_track => 0,
-});
-
-ok( $schema->resultset('CD')->search( {}, { prefetch => 'artist' })->first->artist, 'artist loads even if all columns are 0');
-
-done_testing;
diff --git a/t/prefetch/false_colvalues.t b/t/prefetch/false_colvalues.t
new file mode 100644
index 0000000..b3b2ef6
--- /dev/null
+++ b/t/prefetch/false_colvalues.t
@@ -0,0 +1,64 @@
+use warnings;
+use strict;
+
+use Test::More;
+
+use lib qw(t/lib);
+use DBICTest;
+
+my $schema = DBICTest->init_schema(
+   no_populate => 1,
+);
+
+$schema->resultset('CD')->create({
+   cdid => 0,
+   artist => {
+      artistid => 0,
+      name => '',
+      rank => 0,
+      charfield => 0,
+   },
+   title => '',
+   year => 0,
+   genreid => 0,
+   single_track => 0,
+});
+
+my $orig_debug = $schema->storage->debug;
+
+my $queries = 0;
+$schema->storage->debugcb(sub { $queries++; });
+$schema->storage->debug(1);
+
+my $cd = $schema->resultset('CD')->search( {}, { prefetch => 'artist' })->next;
+
+is_deeply
+  { $cd->get_columns },
+  {
+    artist => 0,
+    cdid => 0,
+    genreid => 0,
+    single_track => 0,
+    title => '',
+    year => 0,
+  },
+  'Expected CD columns present',
+;
+
+is_deeply
+  { $cd->artist->get_columns },
+  {
+    artistid => 0,
+    charfield => 0,
+    name => "",
+    rank => 0,
+  },
+  'Expected Artist columns present',
+;
+
+is $queries, 1, 'Only one query fired - prefetch worked';
+
+$schema->storage->debugcb(undef);
+$schema->storage->debug($orig_debug);
+
+done_testing;