From: Shawn M Moore <sartak@gmail.com>
Date: Tue, 10 Jun 2008 03:46:21 +0000 (+0000)
Subject: Moose compat: the details of load_class. Check whether the package has any methods... 
X-Git-Tag: 0.04~57
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2a674d232b1060884cceddaa23be19aa7b335a33;p=gitmo%2FMouse.git

Moose compat: the details of load_class. Check whether the package has any methods, etc
---

diff --git a/lib/Mouse.pm b/lib/Mouse.pm
index ee5a823..2dad7f7 100644
--- a/lib/Mouse.pm
+++ b/lib/Mouse.pm
@@ -83,16 +83,28 @@ do {
 sub load_class {
     my $class = shift;
 
+    return 1 if is_class_loaded($class);
+
     (my $file = "$class.pm") =~ s{::}{/}g;
 
     eval { CORE::require($file) };
-    confess "Could not load class ($class) because : $@"
-        if $@
-        && $@ !~ /^Can't locate .*? at /;
+    confess "Could not load class ($class) because : $@" if $@;
 
     return 1;
 }
 
+sub is_class_loaded {
+    my $class = shift;
+
+    no strict 'refs';
+    return 1 if defined ${"${class}::VERSION"} || defined @{"${class}::ISA"};
+    foreach my $symbol (keys %{"${class}::"}) {
+            next if substr($symbol, -2, 2) eq '::';
+            return 1 if defined &{"${class}::${symbol}"};
+    }
+    return 0;
+}
+
 1;
 
 __END__
diff --git a/t/020-load-class.t b/t/020-load-class.t
index dd27587..0373459 100644
--- a/t/020-load-class.t
+++ b/t/020-load-class.t
@@ -12,16 +12,14 @@ can_ok('Anti::Mouse' => 'antimouse');
 
 do {
     package Class;
+    sub yay {}
 };
 
 ok(Mouse::load_class('Class'), "this should not die!");
 
-TODO: {
-    local $TODO = "can't have the previous test and this test pass.. yet";
-    throws_ok {
-        Mouse::load_class('FakeClassOhNo');
-    } qr/Can't locate /;
-};
+throws_ok {
+    Mouse::load_class('FakeClassOhNo');
+} qr/Can't locate /;
 
 throws_ok {
     Mouse::load_class('Anti::MouseError');