Fix #1202 - Collection attribute matching doesn't parse arrays

This patch allows to do this:
   User <| groups == leads |>

   @user { "foo":
        ensure => "present",
        groups => ["bar","baz","leads"]
   }

Signed-off-by: Brice Figureau <brice-puppet@daysofwonder.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/puppet/parser/ast/collexpr.rb b/lib/puppet/parser/ast/collexpr.rb
index 3e13d9400..baed325cb 100644
--- a/lib/puppet/parser/ast/collexpr.rb
+++ b/lib/puppet/parser/ast/collexpr.rb
@@ -30,7 +30,12 @@ class CollExpr < AST::Branch
             case @oper
             when "and": code1.call(resource) and code2.call(resource)
             when "or": code1.call(resource) or code2.call(resource)
-            when "==": resource[str1] == str2
+            when "==":
+                if resource[str1].is_a?(Array) && form != :exported
+                    resource[str1].include?(str2)
+                else
+                    resource[str1] == str2
+                end
             when "!=": resource[str1] != str2
             end
         end