fix error propagation when creating broken method modifiers

diff --git a/lib/Role/Tiny.pm b/lib/Role/Tiny.pm
index e484c92..8ddc074 100644 (file)
--- a/lib/Role/Tiny.pm
+++ b/lib/Role/Tiny.pm
@@ -158,11 +158,13 @@ sub _composable_package_for {
   ) {
     push @mod_base, "sub ${modified} { shift->next::method(\@_) }";
   }
+  my $e;
   {
     local $@;
     eval(my $code = join "\n", "package ${base_name};", @mod_base);
-    die "Evaling failed: $@\nTrying to eval:\n${code}" if $@;
+    $e = "Evaling failed: $@\nTrying to eval:\n${code}" if $@;
   }
+  die $e if $e;
   $me->_install_modifiers($composed_name, $modifiers);
   $COMPOSED{role}{$composed_name} = 1;
   return $composed_name;

diff --git a/t/role-tiny.t b/t/role-tiny.t
index fdc23fd..db84ada 100644 (file)
--- a/t/role-tiny.t
+++ b/t/role-tiny.t
@@ -61,6 +61,13 @@ BEGIN {
   sub extra1 { 'role extra' }
 }
 
+BEGIN {
+  package BrokenRole;
+  use Role::Tiny;
+
+  around 'broken modifier' => sub { my $orig = shift; $orig->(@_) };
+}
+
 sub try_apply_to {
   my $to = shift;
   exception { Role::Tiny->apply_role_to_package($to, 'MyRole') }
@@ -95,5 +102,9 @@ is exception {
 isa_ok($new_class, 'MyClass');
 is($new_class->extra1, 'role extra', 'method from role');
 
+ok(exception {
+    $new_class = Role::Tiny->create_class_with_roles('MyClass', 'BrokenRole');
+}, 'exception caught creating class with broken modifier in a role');
+
 done_testing;