adding a test for no method error

1 files changed, 52 insertions, 0 deletions

diff --git a/activerecord/test/cases/associations/association_proxy_test.rb b/activerecord/test/cases/associations/association_proxy_test.rb
new file mode 100644
index 0000000000..55d8da4c4e
--- /dev/null
+++ b/activerecord/test/cases/associations/association_proxy_test.rb
@@ -0,0 +1,52 @@
+require "cases/helper"
+
+module ActiveRecord
+  module Associations
+    class AsssociationProxyTest < ActiveRecord::TestCase
+      class FakeOwner
+        attr_accessor :new_record
+        alias :new_record? :new_record
+
+        def initialize
+          @new_record = false
+        end
+      end
+
+      class FakeReflection < Struct.new(:options, :klass)
+        def initialize options = {}, klass = nil
+          super
+        end
+
+        def check_validity!
+          true
+        end
+      end
+
+      class FakeTarget
+      end
+
+      class FakeTargetProxy < AssociationProxy
+        def association_scope
+          true
+        end
+
+        def find_target
+          FakeTarget.new
+        end
+      end
+
+      def test_method_missing_error
+        reflection = FakeReflection.new({}, Object.new)
+        owner      = FakeOwner.new
+        proxy      = FakeTargetProxy.new(owner, reflection)
+
+        exception = assert_raises(NoMethodError) do
+          proxy.omg
+        end
+
+        assert_match('omg', exception.message)
+        assert_match(FakeTarget.name, exception.message)
+      end
+    end
+  end
+end