From: Justin Guenther <jguenther@cpan.org>
Date: Mon, 27 Feb 2006 22:48:48 +0000 (+0000)
Subject: Fixed txn_do to check that $coderef is actually a code ref, and wrote parameter check... 
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=171dadd7f598063c1a6913da80a7cdfe6e83199c;p=dbsrgits%2FDBIx-Class-Historic.git

Fixed txn_do to check that $coderef is actually a code ref, and wrote parameter check tests
---

diff --git a/lib/DBIx/Class/Schema.pm b/lib/DBIx/Class/Schema.pm
index 554a0a4..631d5aa 100644
--- a/lib/DBIx/Class/Schema.pm
+++ b/lib/DBIx/Class/Schema.pm
@@ -418,8 +418,10 @@ transaction will issue a txn_commit on the Schema's storage)
 sub txn_do {
   my ($self, $coderef, @args) = @_;
 
-  ref $self or $self->throw_exception('Cannot execute txn_do as a '.
-    'class method');
+  ref $self or $self->throw_exception
+    ('Cannot execute txn_do as a class method');
+  ref $coderef eq 'CODE' or $self->throw_exception
+    ('$coderef must be a CODE reference');
 
   my (@return_values, $return_value);
 
diff --git a/t/run/21transactions.tl b/t/run/21transactions.tl
index 798a76b..8589fe8 100644
--- a/t/run/21transactions.tl
+++ b/t/run/21transactions.tl
@@ -1,6 +1,6 @@
 sub run_tests {
 my $schema = shift;
-plan tests => 37;
+plan tests => 39;
 
 my $code = sub {
   my ($artist, @cd_titles) = @_;
@@ -13,6 +13,19 @@ my $code = sub {
   return $artist->cds->all;
 };
 
+# Test checking of parameters
+{
+
+  eval {
+    (ref $schema)->txn_do(sub{});
+  };
+  like($@, qr/class method/, '$coderef parameter check ok');
+  eval {
+    $schema->txn_do('');
+  };
+  like($@, qr/must be a CODE reference/, '$coderef parameter check ok');
+}
+
 # Test successful txn_do() - scalar context
 {
   my @titles = map {'txn_do test CD ' . $_} (1..5);