1 files changed, 27 insertions, 0 deletions
diff --git a/spec/engines/sql/unit/engine_spec.rb b/spec/engines/sql/unit/engine_spec.rb
index f782f56938..85a9dc5bfb 100644
--- a/spec/engines/sql/unit/engine_spec.rb
+++ b/spec/engines/sql/unit/engine_spec.rb
@@ -1,12 +1,39 @@
 require 'spec_helper'
 
 module Arel
+  FakeAR = Struct.new(:connection)
+  class FakeConnection < Struct.new :called
+    def initialize c = []; super; end
+
+    def method_missing name, *args, &block
+      called << [name, args, block]
+    end
+  end
+
   describe Sql::Engine do
     before do
       @users = Table.new(:users)
       @users.delete
     end
 
+    describe "method missing" do
+      it "should pass through" do
+        conn = FakeConnection.new
+        engine = Arel::Sql::Engine.new FakeAR.new conn
+        engine.foo
+        conn.called.should == [[:foo, [], nil]]
+      end
+
+      it "should ask for a connection" do
+        conn   = FakeConnection.new
+        ar     = FakeAR.new conn
+        engine = Arel::Sql::Engine.new ar
+
+        ar.connection = nil
+        lambda { engine.foo }.should raise_error
+      end
+    end
+
     describe "CRUD" do
       describe "#create" do
         it "inserts into the relation" do