updated Config::defaults() to behave as before

and added additional tests for it

lib/Qpsmtpd.pm

@@ -1,5 +1,6 @@
 package Qpsmtpd;
 use strict;
+
 #use warnings;
 
 our $VERSION = "0.95";
@@ -125,14 +126,14 @@ sub conf {
     my $self = shift;
     if (!$self->{_config}) {
         $self->{_config} = Qpsmtpd::Config->new();
-    };
+    }
     return $self->{_config};
 }
 
 sub config {
     my $self = shift;
     return $self->conf->config($self, @_);
-};
+}
 
 sub config_dir {
     my $self = shift;
@@ -205,15 +206,17 @@ sub _load_plugin {
         for my $dir (@plugin_dirs) {
             next if !-e "$dir/$plugin";
             Qpsmtpd::Plugin->compile($plugin_name, $package,
-                "$dir/$plugin", $self->{_test_mode}, $plugin);
+                                     "$dir/$plugin", $self->{_test_mode},
+                                     $plugin);
             if ($safe_line !~ /logging/) {
                 $self->log(LOGDEBUG, "Loading $safe_line from $dir/$plugin");
-            };
+            }
             last;
         }
-        if (! defined &{"${package}::plugin_name"}) {
-            die "Plugin $plugin_name not found in our plugin dirs (", join(', ', @plugin_dirs), ")";
-        };
+        if (!defined &{"${package}::plugin_name"}) {
+            die "Plugin $plugin_name not found in our plugin dirs (",
+              join(', ', @plugin_dirs), ")";
+        }
     }
 
     my $plug = $package->new();
@@ -234,9 +237,10 @@ sub _load_package_plugin {
     $eval = $1;
     eval $eval;    ## no critic (Eval)
     die "Failed loading $package - eval $@" if $@;
+
     if ($plugin_line !~ /logging/) {
         $self->log(LOGDEBUG, "Loading $package ($plugin_line)");
-    };
+    }
 
     my $plug = $package->new();
     $plug->_register($self, @$args);
@@ -299,7 +303,8 @@ sub run_continuation {
         my $tran = $self->transaction;
         eval { (@r) = $code->{code}->($self, $tran, @$args); };
         if ($@) {
-            $self->log(LOGCRIT, "FATAL PLUGIN ERROR [" . $code->{name} . "]: ", $@);
+            $self->log(LOGCRIT, "FATAL PLUGIN ERROR [" . $code->{name} . "]: ",
+                       $@);
             next;
         }
 
@@ -414,8 +419,8 @@ sub spool_dir {
     # Make sure the spool dir has appropriate rights
     if (((stat $Spool_dir)[2] & oct('07777')) != oct($Spool_perms)) {
         $self->log(LOGWARN,
-            "Permissions on spool_dir $Spool_dir are not $Spool_perms")
-    };
+                   "Permissions on spool_dir $Spool_dir are not $Spool_perms");
+    }
 
     return $Spool_dir;
 }
@@ -433,10 +438,12 @@ sub temp_file {
 
 sub temp_dir {
     my ($self, $mask) = @_;
+    $mask ||= '0700';
     my $dirname = $self->temp_file();
-    -d $dirname
-      or mkdir($dirname, $mask || '0700')
+    if (!-d $dirname) {
+        mkdir($dirname, $mask)
             or die "Could not create temporary directory $dirname: $!";
+    }
     return $dirname;
 }
 

lib/Qpsmtpd/Config.pm

@@ -17,6 +17,7 @@ our %defaults = (
 
 sub log {
     my ($self, $trace, @log) = @_;
+
     # logging methods attempt to read config files, this log() prevents that
     # until after logging has fully loaded
     return if $trace > LOGWARN;
@@ -38,8 +39,8 @@ sub config {
         ($rc, @config) = $qp->run_hooks_no_respond('user_config', $type, $c);
         if (defined $rc && $rc == OK) {
             return wantarray ? @config : $config[0];
-        };
-    };
+        }
+    }
 
     # then run the config hooks
     ($rc, @config) = $qp->run_hooks_no_respond('config', $c);
@@ -50,7 +51,7 @@ sub config {
             );
     if (defined $rc && $rc == OK) {
         return wantarray ? @config : $config[0];
-    };
+    }
 
     # then qmail
     @config = $self->get_qmail($c, $type);
@@ -82,7 +83,7 @@ sub clear_cache {
 
 sub default {
     my ($self, $def) = @_;
-    return if ! $defaults{$def};
+    return if !exists $defaults{$def};
     return wantarray ? ($defaults{$def}) : $defaults{$def};
 }
 

t/qpsmtpd-config.t

@@ -79,7 +79,11 @@ sub __clear_cache {
 sub __default {
     is($config->default('me'), hostname, "default, my hostname");
     is($config->default('timeout'), 1200, "default timeout is 1200");
-    ok(!$config->default('undefined-test'), "default, undefined");
+
+    is($config->default('undefined-test'), undef, "default, undefined");
+
+    $Qpsmtpd::Config::defaults{'zero-test'} = 0;
+    is($config->default('zero-test'), 0, "default, zero");
 }
 
 sub __get_qmail {